Journal articles on the topic 'Compositional approaches'
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1
Blom, Diana. "Engaging Students With A Contemporary Music – Minimalism – through Composing Activities: Teachers’ Approaches, Strategies and Roles." International Journal of Music Education os-40, no. 1 (May 2003): 81–99. http://dx.doi.org/10.1177/025576140304000107.
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A study inviting teachers at primary, secondary and tertiary level to introduce their students to composing activities through a resource album of minimalist projects noted that some teachers led their students to write “pastiche” compositions while others enabled their student composers to move beyond pastiche to an expansion of the given compositional concepts. Results examined compositions of music as imitating the style of an existing work, or whether teachers enabled their students to move beyond pastiche composition to an expansion of the given compositional concepts. This paper discusses the approaches, strategies, and roles adopted by both groups of teachers.
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Kojs, Juraj, Stefania Serafin, and Chris Chafe. "Cyberinstruments via Physical Modeling Synthesis: Compositional Applications." Leonardo Music Journal 17 (December 2007): 61–66. http://dx.doi.org/10.1162/lmj.2007.17.61.
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This paper details compositional approaches in music for cyberinstruments by means of physical modeling synthesis. Although the focus is on compositions written with the models simulated by the digital waveguides, modal synthesis and mass-spring-damper algorithms, music written with other modeling techniques is also reviewed.
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Payling, Dave. "Approaches to Composition in Visual Music: An Artist’s Reflection on Three Original Pieces." Leonardo Music Journal 29 (December 2019): 62–66. http://dx.doi.org/10.1162/lmj_a_01065.
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This article discusses the author’s visual music compositional practice in the context of similar work in this field. It specifically examines three pieces created between 2015 and 2017 that fused digital animation techniques with electronic sound. This approach contrasted with the author’s earlier compositions, which featured electroacoustic music and video concrète.
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Tiurikova, E., О. Pogorelov, V. Titinov, and O. Nedoshitko. "PRINCIPLES AND APPROACHES FORMALLY COMPOSITION IN ARCHITECTURAL DESIGN." East European Scientific Journal 1, no. 4(68) (May 14, 2021): 26–33. http://dx.doi.org/10.31618/essa.2782-1994.2021.1.68.10.
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The article analyzes the features of the application of the principles of formal composition in the design activities of an architect-designer. Separated notions of formal composition, formal compositional approach, formal compositional principle. The characterization of the "world" as an all-encompassing concept is revealed. Parallels are given between design composition and formal composition in art. Approaches to the formation of environmental composition (plot, montage and formal) have been analyzed and created. Categories and concepts are summarized in tabular form. Examples of the application of various compositional approaches to the development of trade showcases are compared.
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Cheng, H. N. "NMR analysis of compositional heterogeneity in polysaccharides." Pure and Applied Chemistry 89, no. 7 (July 26, 2017): 877–83. http://dx.doi.org/10.1515/pac-2016-1020.
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AbstractMany copolysaccharides are compositionally heterogeneous, and the composition determined by the usual analytical or spectroscopic methods provides only an average value. For some polysaccharides, the NMR data contain copolymer sequence information, such as diad, triad, and tetrad sequence intensities. In such cases, it is possible to estimate the extent of compositional heterogeneity through NMR. Two general types of methodologies can be used: perturbed Markovian and discrete component approaches. The theoretical bases for these approaches are reviewed in this work, and three examples are shown of the application of these NMR methodologies to copolysaccharides.
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Keillor, Elaine. "Perspectives on the Late Piano Music of Oskar Morawetz and John Weinzweig." Articles 33, no. 2 (August 19, 2015): 35–52. http://dx.doi.org/10.7202/1032694ar.
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Oskar Morawetz and John Weinzweig were colleagues of Carl Morey at the Faculty of Music, University of Toronto. Each composed considerable piano music throughout his compositional career. In this article, the author examines the late piano compositions of Morawetz and Weinzweig, comparing approaches to the instrument, and how those approaches were reflected musically in this group of late compositions. Because Morawetz based his approach on the late Romantic piano compositions with which he was familiar, pianists do not encounter extended techniques in his works. Weinzweig, on the other hand, makes new demands upon the performer to bring across his “disparate gestic/phonetic shapes.”
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Cheng, H. N., Stanley B. Tam, and Leo J. Kasehagen. "Compositional heterogeneity in polymers: computer simulation approaches." Macromolecules 25, no. 14 (July 1992): 3779–85. http://dx.doi.org/10.1021/ma00040a025.
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Ayers, J. E., Tedi Kujofsa, Johanna Raphael, and Md Tanvirul Islam. "Recent Advances in the Modeling of Strain Relaxation and Dislocation Dynamics in InGaAs/GaAs (001) Heterostructures." International Journal of High Speed Electronics and Systems 29, no. 01n04 (March 2020): 2040005. http://dx.doi.org/10.1142/s0129156420400054.
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In this paper we describe state-of-the-art approaches to the modeling of strain relaxation and dislocation dynamics in InGaAs/GaAs (001) heterostructures. Current approaches are all based on the extension of the original Dodson and Tsao plastic flow model to include compositional grading and multilayers, dislocation interactions, and differential thermal expansion. Important recent break-throughs have greatly enhanced the utility of these modeling approaches in four respects: i) pinning interactions are included in graded and multilayered structures, providing a better description of the limiting strain relaxation as well as the dislocation sidewall gettering; ii) a refined model for dislocation-dislocation interactions including zagging enables a more accurate physical description of compositionally-graded layers and step-graded layers; iii) inclusion of back-and-forth weaving of dislocations provides a better description of dislocation dynamics in structures containing strain reversals, such as strained-layer superlattices or overshoot graded layers; and iv) the compositional dependence of the model kinetic parameters has been elucidated for the InGaAs material system, allowing more accurate modeling of heterostructures with wide variations in composition. We will describe these four key advances and illustrate their applications to heterostructures of practical interest.
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Fleming, Ian. "I Have No Mouth (pts. 1–6): Introducing Postdigital Spectralism." Leonardo Music Journal 24 (December 2014): 45–48. http://dx.doi.org/10.1162/lmj_a_00201.
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The author discusses the development of the work I Have No Mouth (pts. 1–6), an electronic piece composed within the schools of spectral music and postdigital “glitch” music, to show how composers can harness technological advancements to their own compositional and aesthetic ends. The author posits the compelling nature of a fundamental tension evident in combining these two approaches, which, he argues, results in satisfying and interesting compositions.
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Nitzan, Mor, Sefi Mintzer, and Hanah Margalit. "Approaches and developments in studying the human microbiome network." Israel Journal of Ecology and Evolution 61, no. 2 (May 5, 2015): 90–94. http://dx.doi.org/10.1080/15659801.2015.1042768.
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The human microbiome is dynamic and unique to each individual, and its role is being increasingly recognized in healthy physiology and in disease, including gastrointestinal and neuropsychiatric disorders. Therefore, characterizing the human microbiome and the factors that shape its bacterial population, how they are related to host-specific attributes, and understanding the ways in which it can be manipulated and the phenotypic consequences of such manipulations are of great importance. Characterization of the microbiome so far has been mostly based on compositional studies alone, where relative abundances of different species are compared in different conditions, such as health and disease. However, inter-relationships among the bacterial species, such as competition and cooperation over metabolic resources, may be an important factor that affects the structure and function of the microbiome. Here we review the network-based approaches in answering such questions and explore the first attempts that focus on the interactions facet, complementing compositional studies, towards understanding the microbiome structure and its complex relationship with the human host.
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Gamurari, Pavel. "ROMANIAN POETRY FROM THE TWENTIETH CENTURY AND MUSIC." Akademos 60, no. 1 (June 2021): 125–29. http://dx.doi.org/10.52673/18570461.21.1-60.16.
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The article outlines approaches and syntheses of high complexity, made within the framework of reference compositional creations by leading composers from Romania and the Republic of Moldova. Among them are Sigismund Toduta, Paul Constantinescu, Vasile Spatarelu, Felicia Donceanu, Viorel Munteanu, Dan Voiculescu, Vladimir Rotaru, Vlad Burlea, etc. The compositional approaches to poetic sources, which fall within the musical trends of the 20th century and are representative of national and universal music, are particularly diverse and original.
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Moeller, John D. "Multichannel Works for Nonstationary Audiences." Computer Music Journal 42, no. 3 (October 2018): 17–27. http://dx.doi.org/10.1162/comj_a_00470.
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There is interest in our era in the topic of sound spatialization, as evidenced by the writings, compositions, and facilities dedicated to the practice. One frequently expressed goal is to elevate space in importance as a compositional parameter. There are many approaches that make this possible, one of which is to create multichannel compositions for listeners who move physically through the presentation space. This article is an examination of such works. This article will discuss several elements in relation to navigable sonic creations using a variety of case studies, including my 96-channel piece for mobile audiences, First Vision.
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Hunt, Andy, Ross Kirk, Richard Orton, and Benji Merrison. "A generic model for compositional approaches to audiovisual media." Organised Sound 3, no. 3 (December 1998): 199–209. http://dx.doi.org/10.1017/s1355771898003045.
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The challenge of composing both sound and moving image within a coherent computer-mediated framework is addressed, and some of the aesthetic issues highlighted. A conceptual model for an audiovisual delivery system is proposed, and this model acts as a guide for detailed discussion of some illustrative examples of audiovisual composition. Options for types of score generated as graphical output of the system are outlined. The need for extensive algorithmic control of compositional decisions within an interactive framework is proposed. The combination of Tabula Vigilans Audio Interactive (TVAI), an algorithmic composition language for electroacoustic music and realtime image generation, with MIDAS, a multiprocessor audiovisual system platform, is shown to have the features desired for the conceptual outline given earlier, and examples are given of work achieved using these resources. It is shown that ultimately delivery of new work may be efficiently distributed via the World Wide Web, with composers' interactive scripts delivered remotely but rendered locally by means of a user's ‘rendering black box’.
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Vandenbosch, Mark B. "Confirmatory compositional approaches to the development of product spaces." European Journal of Marketing 30, no. 3 (March 1996): 23–46. http://dx.doi.org/10.1108/03090569610107418.
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LANE, CATHY. "Voices from the Past: compositional approaches to using recorded speech." Organised Sound 11, no. 1 (March 15, 2006): 3–11. http://dx.doi.org/10.1017/s1355771806000021.
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This paper investigates some of the ways in which composers and sound artists have used recordings of speech, especially in works mediated by technology. It will consider this within a wider context of spoken word, text composition and performance-based genres such as sound poetry. It will attempt to categorise some of the compositional techniques that may be used to work with speech, make specific reference to archive and oral history material and attempt to draw some conclusions.
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Amigo, Enrique, Alejandro Ariza-Casabona, Victor Fresno, and M. Antonia Marti. "Information Theory–based Compositional Distributional Semantics." Computational Linguistics 48, no. 4 (2022): 907–48. http://dx.doi.org/10.1162/_.
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Abstract In the context of text representation, Compositional Distributional Semantics models aim to fuse the Distributional Hypothesis and the Principle of Compositionality. Text embedding is based on co-ocurrence distributions and the representations are in turn combined by compositional functions taking into account the text structure. However, the theoretical basis of compositional functions is still an open issue. In this article we define and study the notion of Information Theory–based Compositional Distributional Semantics (ICDS): (i) We first establish formal properties for embedding, composition, and similarity functions based on Shannon’s Information Theory; (ii) we analyze the existing approaches under this prism, checking whether or not they comply with the established desirable properties; (iii) we propose two parameterizable composition and similarity functions that generalize traditional approaches while fulfilling the formal properties; and finally (iv) we perform an empirical study on several textual similarity datasets that include sentences with a high and low lexical overlap, and on the similarity between words and their description. Our theoretical analysis and empirical results show that fulfilling formal properties affects positively the accuracy of text representation models in terms of correspondence (isometry) between the embedding and meaning spaces.
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Chen, Wen Hao, Sam Y. S. Yang, Ti Qiao Xiao, Sherry C. Mayo, Yu Dan Wang, and Hai Peng Wang. "A synchrotron-based local computed tomography combined with data-constrained modelling approach for quantitative analysis of anthracite coal microstructure." Journal of Synchrotron Radiation 21, no. 3 (March 18, 2014): 586–93. http://dx.doi.org/10.1107/s1600577514002793.
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Quantifying three-dimensional spatial distributions of pores and material compositions in samples is a key materials characterization challenge, particularly in samples where compositions are distributed across a range of length scales, and where such compositions have similar X-ray absorption properties, such as in coal. Consequently, obtaining detailed information within sub-regions of a multi-length-scale sample by conventional approaches may not provide the resolution and level of detail one might desire. Herein, an approach for quantitative high-definition determination of material compositions from X-ray local computed tomography combined with a data-constrained modelling method is proposed. The approach is capable of dramatically improving the spatial resolution and enabling finer details within a region of interest of a sample larger than the field of view to be revealed than by using conventional techniques. A coal sample containing distributions of porosity and several mineral compositions is employed to demonstrate the approach. The optimal experimental parameters are pre-analyzed. The quantitative results demonstrated that the approach can reveal significantly finer details of compositional distributions in the sample region of interest. The elevated spatial resolution is crucial for coal-bed methane reservoir evaluation and understanding the transformation of the minerals during coal processing. The method is generic and can be applied for three-dimensional compositional characterization of other materials.
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Mert, Mehmet C., Peter Filzmoser, Gottfried Endel, and Ingrid Wilbacher. "Compositional data analysis in epidemiology." Statistical Methods in Medical Research 27, no. 6 (October 6, 2016): 1878–91. http://dx.doi.org/10.1177/0962280216671536.
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Compositional data analysis refers to analyzing relative information, based on ratios between the variables in a data set. Data from epidemiology are usually treated as absolute information in an analysis. We outline the differences in both approaches for univariate and multivariate statistical analyses, using illustrative data sets from Austrian districts. Not only the results of the analyses can differ, but in particular the interpretation differs. It is demonstrated that the compositional data analysis approach leads to new and interesting insights.
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Solans, M., G. Coenders, R. Marcos-Gragera, A. Castelló, E. Gràcia-Lavedan, Y. Benavente, V. Moreno, et al. "Compositional analysis of dietary patterns." Statistical Methods in Medical Research 28, no. 9 (July 26, 2018): 2834–47. http://dx.doi.org/10.1177/0962280218790110.
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Instead of looking at individual nutrients or foods, dietary pattern analysis has emerged as a promising approach to examine the relationship between diet and health outcomes. Despite dietary patterns being compositional (i.e. usually a higher intake of some foods implies that less of other foods are being consumed), compositional data analysis has not yet been applied in this setting. We describe three compositional data analysis approaches (compositional principal component analysis, balances and principal balances) that enable the extraction of dietary patterns by using control subjects from the Spanish multicase-control (MCC-Spain) study. In particular, principal balances overcome the limitations of purely data-driven or investigator-driven methods and present dietary patterns as trade-offs between eating more of some foods and less of others.
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Likhtin, D. A. "Health resort services: Essence, specific features, and approaches to classification." Economics and Management 28, no. 9 (October 2, 2022): 944–54. http://dx.doi.org/10.35854/1998-1627-2022-9-944-954.
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Aim. The presented study aims to analyze existing approaches to determining the essence of a health resort service and indentifying its individual components and to build a model of such a service as a multicomponent product of the regional health resort complex.Tasks. The authors investigate approaches to defining a health resort product; describe the relationship between the concepts of ‘health resort product’ and ‘health resort service’; substantiate the need for a compositional approach to modeling health resort services; specify the definition and build an original model of health resort services.Methods. This study uses general scientific methods of cognition, a compositional approach, and modeling methods to investigate various approaches to defining and identifying the components of a health resort service package. The necessity of expanding the range of organizations involved in the creation of such a service is substantiated.Results. In modern conditions, a competitive health resort service is often not a product of a specialized health resort organization, but the result of collaboration of several organizations that are different from a functional perspective. A health resort organization can be created not independently, but with the involvement of joint participants. A health resort service is a package of benefits. Thus, a model of such a service should include several levels, including basic components, additional services, and a certain degree of customization.Conclusions. Currently, a health resort service is a multicomponent package of tangible and intangible elements (services, events, impressions, goods) that allow the customer to satisfy the needs for recreation (wellness and leisure) in general. Such an approach helps to increase the service’s adaptability to the needs and requirements of a particular customer. By developing the package of components of a health resort service, it will be possible to increase the overall economic and investment attractiveness of the health resort complex. The compositional approach makes it possible to plan the activities of a health resort organization more clearly, ensuring greater transparency of the production of services, calculation of their cost, etc.
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Hakami, Huda, and Danushka Bollegala. "Compositional approaches for representing relations between words: A comparative study." Knowledge-Based Systems 136 (November 2017): 172–82. http://dx.doi.org/10.1016/j.knosys.2017.09.008.
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Blake, M. Brian, and Hassan Gomaa. "Agent-oriented compositional approaches to services-based cross-organizational workflow." Decision Support Systems 40, no. 1 (July 2005): 31–50. http://dx.doi.org/10.1016/j.dss.2004.04.003.
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Martin, Brona. "Soundscape Composition: Enhancing our understanding of changing soundscapes." Organised Sound 23, no. 1 (December 22, 2017): 20–28. http://dx.doi.org/10.1017/s1355771817000243.
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This article discusses the affordances of soundscape composition and how the techniques and approaches of this genre have been embraced as an inter-disciplinary research methodology. Since its emergence from the World Soundscape Project, the concept of soundscape composition has set out to enhance our listening awareness of our soundscapes, inspiring and establishing a discourse that explores a sense of place through sound. Soundscape composition over the past decades has established itself as a popular compositional practice among acousmatic composers utilising compositional techniques that go beyond phonographic representation of acoustic environments. Electroacoustic techniques explore not only the transformation and processing of field recordings but also the spatialisation and performance techniques used to create immersive and realistic soundscapes. These compositional developments since the establishment of the World Soundscape Project have brought this genre of music to a wider audience as it has developed into a cross-disciplinary practice. Soundscape studies methodologies such as soundwalking, listening and recording are being utilised by a broader research cohort outside of soundscape composition. This article provides a survey of recent projects and compositions that incorporate a soundscape and cross-disciplinary approach that reflects a variety of cultural themes and issues within the disciplines of social, political and cultural science.
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Iranshahr, A., D. V. V. Voskov, and H. A. A. Tchelepi. "Tie-Simplex Parameterization for EOS-Based Thermal Compositional Simulation." SPE Journal 15, no. 02 (March 3, 2010): 545–56. http://dx.doi.org/10.2118/119166-pa.
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Summary Thermodynamic equilibrium computations are usually the most time-consuming component in compositional reservoir flow simulation. A compositional space adaptive tabulation (CSAT) approach was developed as a preconditioner for equation of state (EOS) computations in isothermal compositional simulation. The compositional space is decomposed into sub- and supercritical regions. In the subcritical region, we adaptively parameterize the compositional space using a small number of tie-lines, which are assembled into a table. The critical surface is parameterized and used to identify supercritical compositions. The phase-equilibrium information for a composition is interpolated as a function of pressure using the tie-line table. We extend the CSAT approach to thermal problems. Given an overall composition at a fixed temperature, the boundary between sub- and supercritical pressures is represented by the critical tie-line and the corresponding minimal critical pressure (MCP). A small set of subcritical tie-lines is computed and stored for a given temperature. This process is repeated for the pressure and temperature ranges of interest, and a coarse (regular) tie-line table is constructed. Close to the critical boundary, a refined tie-line table is used. A combination of regular and refined interpolation improves the robustness of the tie-line search procedure and the overall efficiency of the computations. Several challenging problems, including an unstructured heterogeneous discrete fracture field model with 26 components, are used to demonstrate the robustness and efficiency of this general tie-line-based parameterization method. Our results indicate that CSAT provides accurate treatment of the near-critical region. Moreover, the computational efficiency of the method is at least an order of magnitude better than that of standard EOS-based reservoir simulation approaches. We also show the efficiency gains relative to standard techniques as a function of the number of gridblocks in the simulation model.
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Zhao, Jinfeng, Lisa Mackay, Kevin Chang, Suzanne Mavoa, Tom Stewart, Erika Ikeda, Niamh Donnellan, and Melody Smith. "Visualising Combined Time Use Patterns of Children’s Activities and Their Association with Weight Status and Neighbourhood Context." International Journal of Environmental Research and Public Health 16, no. 5 (March 12, 2019): 897. http://dx.doi.org/10.3390/ijerph16050897.
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Compositional data techniques are an emerging method in physical activity research. These techniques account for the complexities of, and interrelationships between, behaviours that occur throughout a day (e.g., physical activity, sitting, and sleep). The field of health geography research is also developing rapidly. Novel spatial techniques and data visualisation approaches are increasingly being recognised for their utility in understanding health from a socio-ecological perspective. Linking compositional data approaches with geospatial datasets can yield insights into the role of environments in promoting or hindering the health implications of the daily time-use composition of behaviours. The 7-day behaviour data used in this study were derived from accelerometer data for 882 Auckland school children and linked to weight status and neighbourhood deprivation. We developed novel geospatial visualisation techniques to explore activity composition over a day and generated new insights into links between environments and child health behaviours and outcomes. Visualisation strategies that integrate compositional activities, time of day, weight status, and neighbourhood deprivation information were devised. They include a ringmap overview, small-multiple ringmaps, and individual and aggregated time–activity diagrams. Simultaneous visualisation of geospatial and compositional behaviour data can be useful for triangulating data from diverse disciplines, making sense of complex issues, and for effective knowledge translation.
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Gloor, Gregory Brian, Jean M. Macklaim, Michael Vu, and Andrew D. Fernandes. "Compositional uncertainty should not be ignored in high-throughput sequencing data analysis." Austrian Journal of Statistics 45, no. 4 (July 28, 2016): 73–87. http://dx.doi.org/10.17713/ajs.v45i4.122.
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High throughput sequencing generates sparse compositional data, yet these datasets are rarely analyzed using a compositional approach. In addition, the variation inherent in these datasets is rarely acknowledged, but ignoring it can result in many false positive inferences. We demonstrate that examination of point estimates of the data can result in false positive results, even with appropriate zero replacement approaches, using an in vitro selection dataset with an outside standard of truth. The variation inherent in real high-throughput sequencing datasets is demonstrated, and we show that this varia- tion can be approximated, and hence accounted for, by Monte-Carlo sampling from the Dirichlet distribution. This approximation when used by itself is itself problematic, but becomes useful when coupled with a log-ratio approach commonly used in compositional data analysis. Thus, the approach illustrated here that merges Bayesian estimation with principles of compositional data analysis should be generally useful for high-dimensional count compositional data of the type generated by high throughput sequencing.
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Rasmussen, Claus P., Kristian Krejbjerg, Michael L. Michelsen, and Kersti E. Bjurstrøm. "Increasing the Computational Speed of Flash Calculations With Applications for Compositional, Transient Simulations." SPE Reservoir Evaluation & Engineering 9, no. 01 (February 1, 2006): 32–38. http://dx.doi.org/10.2118/84181-pa.
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Summary Approaches are presented for reducing the computation time spent on flash calculations in compositional, transient simulations. In a conventional flash calculation, the majority of the simulation time is spent on stability analysis, even for systems far into the single-phase region. A criterion has been implemented for deciding when it is justified to bypass the stability analysis. With the implementation of the developed time-saving initiatives, it has been shown for a number of compositional, transient pipeline simulations that a reduction of the computation time spent on flash calculations by approximately 85 to 90% can be achieved. Introduction Modeling of oil production requires simulations of transient flow. Examples are miscible-gas displacement in petroleum reservoirs and multiphase flow in pipelines, including slug formation and startup scenarios. In a typical transient-flow simulation, the system is discretized into a number of cells or sections. Phase amounts and phase properties are needed for each cell or section to solve the conservation equations in the model, and specifically for transient pipeline simulations to calculate such properties as heat loss to the surroundings, liquid holdup, and pressure drop. If the overall composition is constant during the simulation, the phase properties can be stored in precalculated tables listing the needed properties as a function of pressure and temperature (Bendiksen et al. 1991; Xu and Shea 2001). This is referred to in the following sections as a noncompositional, table-based simulation. When simulating miscible-gas displacement in reservoirs, the assumption of a constant overall composition is not adequate because the injection gas will dissolve in the reservoir fluid and vice versa. Similarly, in many typical multiphase pipelines, the fluid composition will vary because of velocity differences between phases, interfacial mass transfer, and merging networks. In these situations, a compositional approach is useful. A compositional model has the drawback that the computation time is much higher than that of a noncompositional table-based approach. The phase amounts and properties must be evaluated in each cell or section in each timestep. Furthermore, phase compositions are required to calculate the interfacial mass transfer. Nevertheless, the increased accuracy in the fluid description makes the compositional approach attractive to represent multiphase pipelines and reservoirs with large compositional variations. Flash Equilibrium Calculations in Compositional, Transient Simulations The physical properties of a fluid in a cell or section depend on whether the fluid is present as a single phase or splits into several equilibrium phases. A flash calculation is therefore required in each timestep to determine the number of equilibrium phases and their amounts and compositions. Even with relatively few mixture components, the computation time of a compositional, transient simulation far exceeds that of a corresponding noncompositional, table-based simulation; furthermore, the computation time increases with an increased number of components.
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Yankovskaya, Yulia, Yuriy Lobanov, and Vladimir Temnov. "Structural and compositional features of high-rise buildings: experimental design in Yekaterinburg." E3S Web of Conferences 33 (2018): 01029. http://dx.doi.org/10.1051/e3sconf/20183301029.
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The study looks at the specifics of high-rise development in Yekaterinburg. High-rise buildings are considered in the context of their historical development, structural features, compositional and imaginative design techniques. Experience of Yekaterinburg architects in experimental design is considered and analyzed. Main issues and prospects of high-rise development within the Yekaterinburg structure are studied. The most interesting and significant conceptual approaches to the structural and compositional arrangement of high-rise buildings are discussed.
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Miller, Carter. "The Postminimal is Political: Social Activism in the Music of Julius Eastman and Ann Southam." Nota Bene: Canadian Undergraduate Journal of Musicology 15, no. 1 (June 18, 2022): 74–99. http://dx.doi.org/10.5206/notabene.v15i1.15033.
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The emergence of postminimalism around 1980 allowed composers to combine minimalist musical techniques with their own distinct compositional approaches. Some composers, including American Julius Eastman and Canadian Ann Southam, exercised a consciousness-raising approach to composition by infusing their postminimalist works with political messages relevant to the gay liberation and feminist movements of the late twentieth century. In the work Gay Guerrilla (1979), Eastman pursued an original compositional approach, which he called ‘organic music,’ to explore themes of heroism and courage in the work’s climax. These musical themes resonated with the post-Stonewall gay liberation movement in the United States, particularly the assassination of Harvey Milk in San Francisco. Additionally, the repetitive processes of Southam's Glass Houses No. 5 (1981) constitute a highly organised compositional approach wherein the same music is constantly repeated in different contexts. These tight patterns referenced the contemporary genre of 'women's music' by physically resembling patient and cyclic work done by hand – work traditionally completed by women – and by critiquing this collective experience of ‘women’s work.’ By including these political associations in their art, Julius Eastman and Ann Southam created consciousness-raising critiques of contemporary trends of North American social activism.
Content Note: This paper discusses violence against the queer and trans community, including an assassination, and also mentions two musical compositions which use a racial slur in their titles.
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Gardner, Bobbie-Jane. "COLLABORATIVE COMPOSITION IN A HYPERLOCAL ENVIRONMENT." Tempo 76, no. 300 (April 2022): 44–61. http://dx.doi.org/10.1017/s0040298221000917.
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AbstractThis article explores ways in which compositional methods can respond to and articulate the specificity of localness, interrogating ideas of place, identity, collaboration and the local through an examination of the methods used by professional Birmingham composers to open out aspects of their compositional approach to the wider community. I share my findings from for-Wards, an ambitious public music project: an artistic collaboration between myself, ten professional Birmingham composers, nine music organisations and residents from Birmingham to create a musical ode to the city. Non-conventional compositional approaches became instrumental in the development of this innovative project, documenting the experience of the local within an ambitious citywide collaboration. The article considers the for-Wards project's background, notions of the hyperlocal, the artistic team, ideas relating to authorship, the compositional framework and collaborative challenges. The article considers the collaborative compositional methods employed by the for-Wards composers to examine the local, including local histories and their playful variants, field recordings, environmental vocalisations and the visualisation of the local.
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Batchelor, Peter. "Acousmatic Approaches to the Construction of Image and Space in Sound Art." Organised Sound 20, no. 2 (July 7, 2015): 148–59. http://dx.doi.org/10.1017/s1355771815000035.
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This article considers ideas of image and space as they apply to acousmatic music and to sound art, establishing overlaps and compatibilities which are perhaps overlooked in the current trend to consider these two genres incompatible. Two issues in particular are considered: compositional (especially mimesis and the construction of image, and what shall be termed ‘ephemeral narrative’) and presentational (in particular multichannel speaker deployment). While exploring several relevant works within this discussion, by way of a case study the article introduces the author’s GRIDs project – a series of four multichannel sound sculptures united in their arrangement in geometric arrays of many (in some cases potentially hundreds of) loudspeakers. These permit, by virtue of being so massively (and geometrically) multichannel, the generation of extremely intricate spatial sound environments – fabricated landscapes – that emerge directly from an acousmatic compositional aesthetic. Owing to their alternative means of presentation and presentation contexts, however, they offer very different experiences from those of acousmatic music encountered in the concert hall. So the latter part of this article explores the various ways in which the listener might engage with constructed image space within these sound sculptures, along with the relationship of the audio content of each with its visual and situational setup – that is, its environment.
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DANVY, OLIVIER, KEVIN MILLIKIN, and LASSE R. NIELSEN. "On one-pass CPS transformations." Journal of Functional Programming 17, no. 6 (November 2007): 793–812. http://dx.doi.org/10.1017/s0956796807006387.
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AbstractWe bridge two distinct approaches to one-pass CPS transformations, i.e, CPS transformations that reduce administrative redexes at transformation time instead of in a post-processing phase. One approach is compositional and higher-order, and is independently due to Appel, Danvy and Filinski, and Wand, building on Plotkin's seminal work. The other is non-compositional and based on a reduction semantics for the lambda-calculus, and is due to Sabry and Felleisen. To relate the two approaches, we use three tools: Reynolds's defunctionalization and its left inverse, refunctionalization; a special case of fold–unfold fusion due to Ohori and Sasano, fixed-point promotion; and an implementation technique for reduction semantics due to Danvy and Nielsen, refocusing. This work is directly applicable to transforming programs into monadic normal form.
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Tang, Feng Zai, Talukder Alam, Michael P. Moody, Baptiste Gault, and Julie M. Cairney. "Challenges Associated with the Characterisation of Nanocrystalline Materials Using Atom Probe Tomography." Materials Science Forum 654-656 (June 2010): 2366–69. http://dx.doi.org/10.4028/www.scientific.net/msf.654-656.2366.
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Atom probe tomography provides compositional information in three dimensions at the atomic scale, and is therefore extremely suited to the study of nanocrystalline materials. In this paper we present atom probe results from the investigation of nanocomposite TiSi¬Nx coatings and nanocrystalline Al. We address some of the major challenges associated with the study of nanocrystalline materials, including specimen preparation, visualisation, common artefacts in the data and approaches to quantitative analysis. We also discuss the potential for the technique to relate crystallographic information to the compositional maps.
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Silnyk, Oleksandra, and Liubov Solovii. "SEQUENCE OF FORMATION OF COMPOSITIONAL AND STYLE CENTER OF HOUSING BUILDINGS IN LVIV." Urban development and spatial planning, no. 80 (May 30, 2022): 368–77. http://dx.doi.org/10.32347/2076-815x.2022.80.368-377.
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The article highlights the peculiarities of the formation of architectural-compositional and stylistic buildings of Lviv during the XVIII - XX centuries. Research of Lviv houses reveals the development of their spatial planning, compositional and stylistic solutions. The complex analysis of this building gives the chance to reveal formative periods and tendencies of development of the city as a whole. The presented research shows ways to solve complex problems - a combination of historic buildings in the format of a multifunctional urban space.
The study focuses on the relationship between the development of spatial planning, compositional and stylistic solutions, identifies ways for further processes of construction, renovation and reconstruction of buildings, streets and squares. Given the complex direction of development of innovative and tourist environment of Lviv, with the reconstruction of existing buildings, it is important to recreate the historical features of architectural and compositional elements, taking into account the experience of previous periods to build new spatial planning compositions, streets and neighborhoods. The research is performed from the standpoint of integrated and multilevel approaches as the general architectural and planning picture of the city streets is formed under the influence of a number of factors at different levels of street formation. As a result of highlighting historical, economic and social factors revealed patterns of architecture, which today forms the building of the city.
Architects today make extensive use of the experience gained over generations and interpret it in modern buildings. Today, the central part of Lviv is a source of formation of stylistic and compositional features of modern buildings, which influences the modern unique and authentic character of the city. The study of the peculiarities of building formation on the one hand confirms its value, and on the other hand gives the opportunity to gain knowledge for modeling modern urban spaces.
The presented comprehensive analysis of the building highlights the formative periods and trends in the city as a whole. The formed conceptual compositional and stylistic features give the chance of conscious natural designing of modern architecture with preservation of character of the available historical environment of the city.
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Campbell, Joanna Tochman, and Maria L. Weese. "Compositional Models and Organizational Research." Organizational Research Methods 20, no. 1 (October 25, 2016): 95–120. http://dx.doi.org/10.1177/1094428116672002.
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An emergent stream of research in management employs configurational and holistic approaches to understanding macro and micro phenomena. In this study, we introduce mixture models—a related class of models—to organizational research and show how they can be applied to nonexperimental data. Specifically, we reexamine the long-standing research question concerning the CEO pay–firm performance relationship using a novel empirical approach, treating individual pay elements as components of a mixture, and demonstrate its utility for other research questions involving mixtures or proportions. Through this, we provide a step-by-step guide for other researchers interested in compositional modeling. Our results highlight that a more nuanced approach to understanding the influence of executive compensation on firm performance brings new insights to this research stream, showcasing the potential of compositional models for other literatures.
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ZHAN, NAIJUN. "Connection between logical and algebraic approaches to concurrent systems." Mathematical Structures in Computer Science 20, no. 5 (October 2010): 915–50. http://dx.doi.org/10.1017/s0960129510000253.
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The logical and algebraic approaches are regarded as two of the dominant methodologies for the development of reactive and concurrent systems. It is well known that the logic approach is more abstract, but lacks compositionality; while the algebraic approach is inherently compositional, but lacks abstractness. However, connecting the two approaches is a major challenge in computer science, and many efforts have been directed to resolving the problem. Linking the algebraic approach to the logical approach has been satisfactorily resolved through the notion of characteristic formulae. But very limited success has been achieved so far in the other direction, as most of the established results have been developed only with respect to a simple semantics, which has usually been strong bisimulation. However, in practice, an observational semantics like weak bisimulation, which is much more complicated, is thought to be more useful. In this paper, we investigate how to connect the logical and algebraic approaches with respect to the observational preorder, which is a generalisation of weak bisimulation that takes divergence into account. We show the following results. First, we prove that the non-deterministic operator of process algebra can be defined in modal and temporal logics (such as the μ-calculus and the Fixpoint Logic with Chop) with respect to the observational preorder (in fact, the kernel of its precongruence). In this way, we can apply the logical approach to the design of a complex system in a compositional way. Second, we present two algorithms for constructing the characteristic formulae for a context-free process up to the preorder and its precongruence, respectively. The effect of this is that all the reductions for processes that are usually done in an algebraic setting can be handled in a logical setting.
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Katagiri, Daisuke, Feng Wang, John C. Gore, Raymond C. Harris, and Takamune Takahashi. "Clinical and experimental approaches for imaging of acute kidney injury." Clinical and Experimental Nephrology 25, no. 7 (April 9, 2021): 685–99. http://dx.doi.org/10.1007/s10157-021-02055-2.
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AbstractComplex molecular cell dynamics in acute kidney injury and its heterogeneous etiologies in patient populations in clinical settings have revealed the potential advantages and disadvantages of emerging novel damage biomarkers. Imaging techniques have been developed over the past decade to further our understanding about diseased organs, including the kidneys. Understanding the compositional, structural, and functional changes in damaged kidneys via several imaging modalities would enable a more comprehensive analysis of acute kidney injury, including its risks, diagnosis, and prognosis. This review summarizes recent imaging studies for acute kidney injury and discusses their potential utility in clinical settings.
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Fairclough, Stuart J., Liezel Hurter, Dorothea Dumuid, Ales Gába, Alex V. Rowlands, Borja del Pozo Cruz, Ashley Cox, et al. "The Physical Behaviour Intensity Spectrum and Body Mass Index in School-Aged Youth: A Compositional Analysis of Pooled Individual Participant Data." International Journal of Environmental Research and Public Health 19, no. 14 (July 19, 2022): 8778. http://dx.doi.org/10.3390/ijerph19148778.
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We examined the compositional associations between the intensity spectrum derived from incremental acceleration intensity bands and the body mass index (BMI) z-score in youth, and investigated the estimated differences in BMI z-score following time reallocations between intensity bands. School-aged youth from 63 schools wore wrist accelerometers, and data of 1453 participants (57.5% girls) were analysed. Nine acceleration intensity bands (range: 0–50 mg to ≥700 mg) were used to generate time-use compositions. Multivariate regression assessed the associations between intensity band compositions and BMI z-scores. Compositional isotemporal substitution estimated the differences in BMI z-score following time reallocations between intensity bands. The ≥700 mg intensity bandwas strongly and inversely associated with BMI z-score (p < 0.001). The estimated differences in BMI z-score when 5 min were reallocated to and from the ≥700 mg band and reallocated equally among the remaining bands were −0.28 and 0.44, respectively (boys), and −0.39 and 1.06, respectively (girls). The time in the ≥700 mg intensity band was significantly associated with BMI z-score, irrespective of sex. When even modest durations of time in this band were reallocated, the asymmetrical estimated differences in BMI z-score were clinically meaningful. The findings highlight the utility of the full physical activity intensity spectrum over a priori-determined absolute intensity cut-point approaches.
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Sokolovskaya, Yulia, Olga Miroshkina, Danil Baigutlin, Vladimir Sokolovskiy, Mikhail Zagrebin, Vasilly Buchelnikov, and Alexey T. Zayak. "A Ternary Map of Ni–Mn–Ga Heusler Alloys from Ab Initio Calculations." Metals 11, no. 6 (June 17, 2021): 973. http://dx.doi.org/10.3390/met11060973.
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In the search for new magnetic functional materials, non-stoichiometric compounds remain a relatively unexplored territory. While experimentalists create new compositions looking for improved functional properties, their work is not guided by systematic theoretical predictions. Being designed for perfect periodic crystals, the majority of first-principles approaches struggle with the concept of a non-stoichiometric system. In this work, we attempt a systematic computational study of magnetic and structural properties of Ni–Mn–Ga, mapped onto ternary composition diagrams. Compositional stability was examined using the convex hull analysis. We show that the cubic austenite has its stability region close to the stoichiometric Ni2MnGa, in agreement with experimental data, while the tetragonal martensite spreads its stability over a wider range of Mn and Ni contents. The unstable compositions in both austenite and martensite states are located in the Ga-rich corner of the ternary diagram. We note that simultaneous stability of the austenite and martensite should be considered for potentially stable compounds suitable for synthesis. The majority of compounds are predicted to be ferrimagnetically ordered in both austenitic and martensitic states. The methodology used in this work is computationally tractable, yet it delivers some predictive power. For experimentalists who plan to synthesize stable Ni–Mn–Ga compounds with ferromagnetic order, we narrow the target compositional range substantially.
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EMMERY, LAURA. "Elliott Carter's and Luigi Nono's Analyses of Schoenberg'sVariations for Orchestra, Op. 31: Divergent Approaches to Serialism." Twentieth-Century Music 16, no. 2 (April 30, 2019): 191–229. http://dx.doi.org/10.1017/s1478572219000033.
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AbstractDespite Nono's and Carter's opposing views, divergent compositional aesthetic, and applicability of twelve-tone music, the two composers shared their admiration for the works of the Second Viennese School. In this article, I examine Carter's 1957 and Nono's 1956 analyses of Schoenberg's pivotal twelve-tone work:Variations for Orchestra, Op. 31 (1926–28). The study offers a rare opportunity to look at the same piece analysed by two composers with unique points of view. Completed only a year apart, the analyses illuminate aspects of Schoenberg's work that each composer found most compelling and applicable to their own works. Thus, these analyses, combined with sketches housed at the Paul Sacher Stiftung (Basel), the Library of Congress (Washington, DC), and the Fondazione Archivio Luigi Nono (Venice), not only shed light on Schoenberg's system, but also become a valuable tool for tracking both Carter's and Nono's compositional processes, showing how Schoenberg influenced two schools of thought.
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Renfrew, Colin, Michael Boyd, and Evi Margaritis. "Interdisciplinary approaches to the prehistory of Keros." Archaeological Reports 64 (November 2018): 67–84. http://dx.doi.org/10.1017/s0570608418000200.
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First investigated archaeologically in 1963, it is only with the recent publication of the 2006–2008 excavations that the nature of the Early Bronze Age sanctuary and settlement on Keros is becoming clear. Further investigations – a survey in 2012–2013 and excavations in 2016–2018 – have expanded our knowledge of the sanctuary. This paper sets out the interdisciplinary nature of the research on Keros, highlighting the contribution of a panoply of environmental techniques built into the project methodology from its inception, with all sampling taking place during the excavation itself. In addition, compositional and microscopic analyses of materials such as ceramics, metals and marble contribute to understanding their manufacture and provenance. Finally, taphonomic analyses include micromorphological and soil-chemistry studies, both of which are the largest of their kind yet undertaken in the Aegean. The reflexive contribution of all these specialisms to the ongoing study and publication of the site is described.
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Ramay, Shahid Mahmood, Asif Mahmood, Shahid Atiq, and A. N. AlHazaa. "Study of divalent elements (Mg, Sr and Ba)-doped LaMnO3 nano-manganites." International Journal of Modern Physics B 30, no. 06 (March 10, 2016): 1650020. http://dx.doi.org/10.1142/s021797921650020x.
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Doping of group-II divalent cations in LaMnO3 can produce advanced multi-functionalities in these nano-manganite materials according to recent theoretical approaches. An experimental investigation of Mg, Sr and Ba-doped LaMnO3 nano-structures has been made by synthesizing these compositions with fuel agent assistive sol–gel auto-combustion technique. Detailed structural studies were carried out for crystal structure, lattice parameters, crystallite size, density and strain in structure using the data obtained from X-ray diffraction (XRD). Structural parameters were largely affected and significantly varied in all compositions due to doping of group-II elements with different sized ionic radii. Morphological and compositional analyzes were carried out using scanning electron microscopy and energy dispersive X-ray spectroscopy, respectively. Electrical and magnetic properties were explored using four-point probe and physical property measurement setups and observed a significant change in various compositions. The substitution of group-II atoms with different sized ionic radii on the regular sites in structure provides a distinctive behavior in various properties.
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Terentiyev, A. A., S. M. Durkin, and Konstantin V. Pchela. "Comparison of various approaches in numerical modeling of well stimulation methods." Kazakhstan journal for oil & gas industry 4, no. 2 (July 20, 2022): 95–100. http://dx.doi.org/10.54859/kjogi108459.
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This paper a numerical simulation of methods of intensification of flow to the well by using various approaches. To simulate the hydrochloric acid impact, an approach was applied based on changing the well productivity factor, as well as an approach that consisted of using a chemical reaction in a hydrodynamic model. The criteria for qualitative forecasting of technological development indicators was the actual data on one of the wells of the analogous field of the object. As a result of calculations on the example of a actual field in the conditions of extended horizontal wells, increments of additional oil production were obtained with applying various approaches of modeling the process of hydrochloric acid treatment. It was revealed that in the conditions of extended horizontal wells, the use of negative values of skin factors increases oil production by several times in comparison with the approach of compositional modeling with the occurrence of chemical reactions. Sensitivity analysis to the volume and concentration of the injected acid was carried out by using specialized software. It was concluded that as a result of the chemical reaction in compositional modeling, the effect of hydrochloric acid treatment significantly depends on the composition of the rock, the reaction rate, the concentration and volume of the injected acid. Multi-stage hydraulic fracturing was modeled by using a planar fracture system tool and discrete fracture system model. A slight discrepancy between the results of calculating the hydrodynamic model between these methods for modeling multi-stage hydraulic fracturing was identified.
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Bishop, Ronald L. "INSTRUMENTAL APPROACHES TO UNDERSTANDING MESOAMERICAN ECONOMY: ELUSIVE PROMISES." Ancient Mesoamerica 25, no. 1 (2014): 251–69. http://dx.doi.org/10.1017/s0956536114000157.
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AbstractMore than four decades ago, instrumental developments, such as those involving neutron activation and X-ray florescence, began to generate relatively large quantities of data from the analysis of archaeological materials. These data served as the basis for many models of long-distance exchange as a means of explaining the development of cultural complexity. I review aspects of this early history and the how use of compositional data is now more directed toward localized investigations of economic activity. Even with this refocus of research interest, studies involving material characterization appear to be declining. Using traditional citation, personal experience, and highly selective examples, I discuss the use of analytical techniques for studies of long-distance trade, as it developed and now confronts interpretive difficulties that are inherent in the data and rendered more so by use of abstract constructs and resource limitations.
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Urban, Marek W. "Three-dimensional compositional gradients in water-borne urethanes and latexes: spectroscopic approaches." Progress in Organic Coatings 40, no. 1-4 (December 2000): 195–202. http://dx.doi.org/10.1016/s0300-9440(00)00115-6.
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Sveshnikov, Alexander Vyacheslavovich. "C.G. Jung on the Nature of Artistic Image." Journal of Flm Arts and Film Studies 5, no. 4 (December 15, 2013): 66–77. http://dx.doi.org/10.17816/vgik5466-77.
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The article analyses C. Jung’s approaches to the problem of the symbol and the archetype, reviews the relationship between the compositional integrity of an artwork and an archetypal image as the two phenomena firmly rooted in the depths of the unconscious mental processes.
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Copeland, Natalia. "Spontaneous creativity: An overview of theories crucial to musical idea generation." Roczniki Psychologiczne 22, no. 4 (June 29, 2020): 325–36. http://dx.doi.org/10.18290/rpsych.2019.22.4-2.
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The aim of this article is to present selected concepts related to idea generation in musical com-position. Different approaches towards creativity are discussed in order to delineate how they describe spontaneous creativity. The typological view of composers and theories of the creative process are discussed. Further advances in studies of creative cognition are scrutinized: research on unconscious and conscious processes in creation, followed by the development of the concept of innovative Involuntary Musical Imagery (InMI) in composers. Current research on internal auditory phenomena suggests that composers’ InMI can be potentially innovative and serve composers as a source of ready ideas to be used in their compositions. The current overview is informed by cognitive sciences and creative process studies, especially compositional studies.
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Алексеев, Е. П., and А. Н. Мережников. "Visible image of the talk: illustrations by Gennady Mosin to the “Malachite Box” by Pavel Bazhov." Iskusstvo Evrazii [The Art of Eurasia], no. 1(24) (March 30, 2022): 42–51. http://dx.doi.org/10.46748/arteuras.2022.01.004.
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В статье анализируется творческая программа Г.С. Мосина, связанная с его работой над иллюстрациями к «Малахитовой шкатулке» П.П. Бажова. Подробно рассматриваются композиционные и цветовые решения иллюстраций; отмечается синтез разных подходов и принципов, стремление художника переплавить противоречивые образы и композиции в единый стиль, который должен привести к появлению многогранного и метафорического образа Урала. The article analyzes the creative program of G.S. Mosin, associated with his work on illustrations for the “Malachite Box” by P.P. Bazhov. The compositional and color solutions of illustrations are considered in detail; a synthesis of different approaches and principles is pointed out. The artist's desire to melt contradictory images and compositions into a single style, which should lead to the emergence of a multifaceted and metaphorical image of the Urals.
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Llach, Federico. "MULTIDISCIPLINARITY AND REFERENCE AS A SOLUTION TO INWARD-FOCUSED APPROACHES IN MUSIC COMPOSITION." Tempo 72, no. 286 (September 6, 2018): 53–63. http://dx.doi.org/10.1017/s0040298218000359.
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AbstractNew Music thought and compositional praxis has excessively focused inward as a source of inspiration. In the last ten years, multidisciplinary composition has offered one possible solution to this problem. By combining music with theatrical elements and digital media, composers have produced works that are ‘not for the ears alone’. This paper offers a typification of its most novel aspects, and traces them in the author's own creative work, which additionally include the use of borrowed material as a means for establishing referentiality and elaborating semantic narratives.
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Gerasimchik, O. A., and Ya V. Girsh. "COMPOSITIONAL COMPOSITION OF THE BODY IN OBESE CHILDREN AND ADOLESCENTS." Translational Medicine 6, no. 1 (April 28, 2019): 51–57. http://dx.doi.org/10.18705/2311-4495-2019-6-1-51-57.
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Background. The steady growth of obesity in the children’s age group determines the need for integrated modern approaches to diagnosis and therapy.Objective. To determine the body composition of adolescents with different body mass for the quantitative analysis of the internal environment of the organism using the method bioimpendancemetria.Design and methods. To determine the composition of the body, 121 adolescents aged 10–17 years were examined, the average age was 13.9 years (± 2.1). Evaluation of anthropometric data and determination of BMI at the 1st stage of the study allowed to identify 3 groups of patients: group 1 — adolescents with normal body weight, 40 people (33 %), group 2 — overweight, 48 people (40 %) and group 3 — obese, 33 adolescents (27 %). At stage 2nd, the analysis of the body structure using computer impedance, which allows to determine the composition of the body in a percentage.Results. When assessing the structure of the body, in group with normal body weight, the content of adipose tissue corresponds to the normal value. In adolescents overweight and obesity in 100 % of cases there was an increased content of fat mass. In the group of adolescents with normal body weight, the percentage deviation of AKM is 16–17 %, in the group with excess body weight 12–40 %. Insufficient as well as excessive percentage of AKM causes hunger. The higher AKM in full adolescents, the more difficult the process of weight loss. During the evaluation of the main metabolism it was found that in the group of obese patients the indicators exceeded those in the groups with normal and overweight.Conclusion. The use of bioimpedance analysis allows to create an optimal set of sequential effects aimed at correcting the fat mass, water composition and muscle mass of the patient, which determines a more directed and effective weight loss and the possibility of dynamic control.