Thematische Bibliographien / MBS approach

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Auswahl der wissenschaftlichen Literatur zum Thema „MBS approach“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 13. Februar 2022

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Zeitschriftenartikel zum Thema "MBS approach"

Busch, Martin, und Bernhard Schweizer. „MBS/FEM Co-Simulation Approach for Lubrication Problems“. PAMM 10, Nr. 1 (Dezember 2010): 729–32. http://dx.doi.org/10.1002/pamm.201010349.

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Jiang, Li Feng, Liang Gou, Hong Peng Zhu und Geng Xin Zhang. „Maximum Clique Approach in Network Coding Based Multicast Broadcast Services“. Applied Mechanics and Materials 446-447 (November 2013): 1577–80. http://dx.doi.org/10.4028/www.scientific.net/amm.446-447.1577.

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Network coding has recently attracted attention as a substantial improvement to packet retransmission schemes in wireless multicast broadcast services (MBS). In this paper, we are interested in applying the maximum clique approach to the network coding based multicast retransmission problem in the MBS systems. Our figure of merit is the transmission efficiency which is an important design parameter for some MBS systems, such as the satellite broadcasting networks since it affects the energy efficiency and delay of the system directly. We show that introducing the idea from network coding allows us to realize significant benefits in terms of transmission efficiency for the problem of multicasting and broadcasting, and develop an algorithm that allow to realize these benefits in practice.

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Dahmen, B., S. Drösler und J. Stausberg. „A Methodological Framework for the Conversion of Procedure Classifications“. Methods of Information in Medicine 44, Nr. 01 (2005): 57–65. http://dx.doi.org/10.1055/s-0038-1633923.

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Summary Objectives: During the adaptation of the Australian Refined Diagnosis Related Groups for Germany mapping tables between procedure classifications were needed. The mapping between the German OPS-301 2.0 and the Australian MBS-Extended should transfer the Australian expertise by keeping a well-established terminology system. Methods: A methodological framework for the development of mapping tables had been developed based on the model for representation of semantics provided by the European Committee of Standardization. Two approaches were used; the concept-based approach from OPS-301 2.0 to MBS-Extended and the class-based approach the other way round. A conversion had to be identified between 23,160 classes of the OPS-301 2.0 and 6,328 classes of the MBS-Extended in two asymmetrical mapping tables. Results: The class-based approach leads to a low number of 6,980 conversions but misses 82.6% of the classes of the OPS-301. Because of domain incongruencies and missing domain completeness of the OPS-301 2.0 for non-operative procedures 15.7% of the MBS-Extended-classes remain without conversion. The concept-based approach leads to a slightly higher mean number of conversions per class of 1.35 in comparison to 1.31 with the class-based approach. But it was possible to find conversions for 99.5% of the OPS-301 2.0-classes. 16.3% of the DRG-relevant classes of the MBS-Extended were missed. Conclusions: The class-based approach was not useful, because the MBS-Extended is significantly broader than the OPS-301 2.0. An external validation study for the direction OPS-301 2.0 to MBS-Extended revealed a satisfactory quality. The empirical and the reference-based approach are important alternatives to the ones used in this project. There are clear criteria about the appropriate application area for the methodological approaches presented here.

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Davidson, Andrew S., Michael D. Herskovitz und Leonard D. Van Drunen. „The refinancing threshold pricing model: An economic approach to valuing MBS“. Journal of Real Estate Finance and Economics 1, Nr. 2 (Juni 1988): 117–30. http://dx.doi.org/10.1007/bf00152568.

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Zander, Roland, und Heinz Ulbrich. „Reference-free mixed FE-MBS approach for beam structures with constraints“. Nonlinear Dynamics 46, Nr. 4 (26.09.2006): 349–61. http://dx.doi.org/10.1007/s11071-006-9017-0.

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Mendelsohn, Martyn. „A guided approach to surgery for aspiration: two case reports“. Journal of Laryngology & Otology 107, Nr. 2 (Februar 1993): 121–26. http://dx.doi.org/10.1017/s0022215100122388.

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Aspiration frequently occurs in patients with a competent glottis. Analysis using a modified barium swallow (MBS) can reveal an extraglottic mechanism of aspiration in these patients. The MBS examination guided the design of two surgical procedures in patients with severe aspiration. The surgery corrected the underlying extraglottic cause of aspiration while preserving glottic function. In one case the epiglottoplasty controlled aspiration due to spillage over the epiglottis into the airway. In the other case translaryngeal resection of the cricoid lamina combined with cricopharyngeal myotomy controlled aspiration of residue in the hypopharynx. After surgery, both patients had their gastrostomy and cuffed tracheostomy tubes removed and were discharged home on a normal oral diet. Detailed analysis of deglutition by a modified barium swallow canprovide a scientific basis to guide the surgical management of patients with severe dysphagia.

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Langowski, Larry, Tae H. Park und Lorne N. Switzer. „A Cost-Effective Approach to Hedging MBS Using Treasury Futures and Futures Options“. Journal of Fixed Income 6, Nr. 4 (31.03.1997): 88–97. http://dx.doi.org/10.3905/jfi.1997.408188.

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Rulka, Wolfgang, und Eli Pankiewicz. „MBS Approach to Generate Equations of Motions for HiL-Simulations in Vehicle Dynamics“. Multibody System Dynamics 14, Nr. 3-4 (November 2005): 367–86. http://dx.doi.org/10.1007/s11044-005-1144-8.

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Chen, Hang-Kang, Shu-Mei Zhang, Junn-Liang Chang, Hsin-Chien Chen, Yi-Chun Lin, Cheng-Ping Shih, Huey-Kang Sytwu et al. „Insonation of Systemically Delivered Cisplatin-Loaded Microbubbles Significantly Attenuates Nephrotoxicity of Chemotherapy in Experimental Models of Head and Neck Cancer“. Cancers 10, Nr. 9 (05.09.2018): 311. http://dx.doi.org/10.3390/cancers10090311.

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The use of cisplatin (CDDP), the most common chemotherapy drug for head and neck cancer, is limited by its undesirable side effects, especially nephrotoxicity. We investigated ultrasound microbubbles (USMB) as a tool to increase the local intra-tumoral CDDP level while decreasing systemic CDDP cytotoxicity. We allowed CDDP to interact with human serum albumin and then sonicated the resulting CDDP‒albumin complex to generate CDDP-loaded MBs (CDDP-MBs). We then established a head-and-neck tumor-bearing mouse model by implanting FaDu-fLuc/GFP cells into severe combined immunodeficiency mice and used IVIS® bioluminescence imaging to determine the tumor xenograft formation and size. Twice weekly (until Day 33), we administered CDDP only, CDDP + MBs + US, CDDP-MBs, or CDDP-MBs + US intravenously by tail-vein injection. The US treatment was administered at the tumor site immediately after injection. The in vivo systemic distribution of CDDP indicated that the kidney was the most vulnerable organ, followed by the liver, and then the inner ear. However, CDDP uptake into the kidney and liver was significantly decreased in both the CDDP-MBs and CDDP-MBs + US groups, suggesting that MB binding significantly reduced the systemic toxicity of CDDP. The CDDP-MBs + US treatment reduced the tumor size as effectively as conventional CDDP-only chemotherapy. Therefore, the combination of CDDP-MBs with ultrasound is effective and significantly attenuates CDDP-associated nephrotoxicity, indicating a promising clinical potential for this approach.

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Oreku, G. S. „Application of digital technology in enhancing tax revenue collection: the case of micro businesses in Tanzania“. Journal of Tax Reform 7, Nr. 2 (2021): 173–92. http://dx.doi.org/10.15826/jtr.2021.7.2.097.

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In spite of the importance of Micro Businesses (MBs) in forming a wide tax base, there isn’t a clear practical approach to tax administration of MBs in many developing countries. Specifically, there is limited information on how digital technology can address tax administration challenges for MBs. This paper explores the potentials of digital technology to enhance tax revenue collection and its administration to Micro Businesses in the Tanzanian context. The data on tax administration, challenges impeding tax administration to MBs, and the potential of digital technology used in tax administration were collected by questionnaire and interview. Interviews were conducted with 24 informants from Tanzania Revenue Authority, and 137 Micro Business candidates from various business sectors were provided with a questionnaire in Dar es Salaam, which is the head office of tax administration and the economic hub of Tanzania. Thematic approach was used to analyse the qualitative data. Descriptive statistics was used to analyse quantitative data through SPPS. The findings revealed that the current tax practices to MBs do not comply with tax theories of low administration cost, wide tax base, and simple-to-administer tax procedure. The findings revealed that the challenges like lack of record keeping, lack of knowledge on tax payment procedures, unknown tax collection channels, and multiple taxes can be tackled by establishing strong relationship mechanisms between TRA and MBs and using digital technology solutions to tackle challenges. The study suggests some digital technology solutions to address the challenges. Leading to that practical aspect of tax administration that can guide policy makers and tax administrators was introduced.

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Dissertationen zum Thema "MBS approach"

Pykal, Vojtěch. „Výpočtové modelování dynamiky záběru čelního ozubeného soukolí v prostředí MBS“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-445163.

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This master’s thesis is focused on the compilation of a computational modelling of gear mesh engagement dynamics of a spur gear by MBS approach. The user input is the specific geometry of gears, the operating speed, and the load torque. The output are the forces in the gear engagement and the reaction of the forces in the wheel bearings depending on the change in the stiffness of the gear due to the changing number of teeth in the engagement and the change in the axial distance. This model is characterized by a fast and relatively accurate calculation in the time domain. This means that it can react to changes in parameters during simulation such as axial distance, speed, and torque.

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Mallikarjuna, Rao Tarun. „Modelling and simulation of Research Concept Vehicle using MBD-FEM approach“. Thesis, KTH, Maskinkonstruktion (Inst.), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-183008.

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This work highlights the design process to build a MBD (Multi-Body Dynamics) model with flexible parts for a RCV (Research Concept Vehicle). Full vehicle dynamic simulations of the RCV model with flexible parts were performed for different load cases and the results were compared with that of a MBD model with rigid body components. In addition, FE modelling of the RCV body parts, selection of attachment nodes, generation and verification of Modal Neutral Files (MNFs) are discussed. RCV is a concept vehicle developed at KTH Royal Institute of technology as a research platform to implement, validate and demonstrate results of various research projects. The vehicle consists of body, suspension and tire subsystems which were designed and developed as individual projects. The body subsystem comprises of rollcage, subframe and a composite baseplate. In this project, a MBD model of the RCV was developed in ADAMS/CAR to measure the forces acting at the interface of these body components and also to consider the suspension forces acting on the individual front and rear subframe parts. Finite element (FE) models were incorporated to consider the flexibility of the body components. The RCV is a vehicle constantly evolving with addition of new components to implement and test various research results. To study the application of this method, two Models of the RCV with design modifications were developed and studied. A model of the RCV without rollcage and a model with a rigid link connecting the body components were built and the results of dynamic simulations were compared with that of the existing RCV design. When flexibility of the baseplate was considered in the models, an overall change in dynamics of the body components was observed. Further, observing the results from models with design modifications, it was evident that this method can be used to study the effect of these modifications on the dynamic behaviour of the vehicle.
Det här arbetet belyser konstruktionsprocessen för att bygga en MBD-modell (Multi-Body Dynamics) med flexibla komponenter av konceptfordonet RCV (Research Concept Vehicle). Fullständiga fordonsdynamiska simuleringar med flexibla komponenter utfördes för olika lastfall och resultaten jämfördes med en MBD-modell med stela komponenter. Dessutom diskuteras FE modellering av RCVs olika delsystem, val av kopplingsnoder, generering och verifiering av ”Modal Neutral Files” (MNFs). RCV är ett konceptfordon som utvecklats vid Kungliga Tekniska Högskolan, KTH, som en forskningsplattform för att implementera, validera och demonstrera resultaten av olika forskningsprojekt. Fordonet består av delsystemen; chassi, hjulupphängning, och däck, vilka har utvecklats tidigare i separata projekt. Chassit består i sin tur av delsystemen; ”rollcage”, ”subframe” och ”baseplate”. I detta projekt har en MBD-modell av RCV utvecklats i ADAMS/CAR för att simulera olika körfall och beräkna de krafter som verkar mellan dessa delsystem och att också studera skillnaden i belastning av främre resp. bakre ”subframe”. FE modeller importeradesäven till modellen för att studera effekten av elasticiteten hos komponenterna på fordonets beteende.RVC är ett fordon som konstant utvecklas med tillägg av nya komponenter för att implementera och testa olika forskningsresultat. För att studera tillämpningen av denna metod skapades två modeller av RCV med olika konstruktiva förändringar vilkas inverkan på fordonet studerades. En modell av RCV utan ”rollcage” och en modell med styv länk som förbinder olika delar av chassit skapades och resultaten av dynamiska simuleringar jämfördes med simuleringsresultat för den befintliga RCV-designen. När flexibiliteten hos basplattan beaktades i modellerna observerades förändringar i dynamiken hos chassit vad gäller vertikala förskjutningar och vinkelförskjutningar. Utifrån dessa simuleringar kan vi dra slutsatsen att den utvecklade metoden är användbar för att studera effekter av konstruktionsförändringar på det dynamiska beteendet hos fordonet.

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Roa, castro Laura. „Management de la complexité organisationnelle des projets en ingénierie systèmes : Mise en place d'une approche socio-technique pour l'amélioration des aspects collaboratifs“. Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLC023/document.

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Du fait du développement de nouveaux produits (NPD) dans l’industrie, l’organisation devient de plus en plus complexe, ceci est dû notamment à la complexité même des produits. Dans ce contexte, le MBSE (Model Based Systems Engineering) et les approches collaboratives, qui adressent ces complexités, ont été reconnus pour leurs facultés à améliorer le NPD. Une implémentation réussie d’une conception collaborative du type MBSE, doit permettre de gérer ces deux complexités. Cette thèse de doctorat a pour objet l’étude de projets de conception collaborative MBSE au sein des équipes françaises chez des équipementiers automobiles et aéronautiques, afin de mettre en avant l’amélioration du développement des produits. La conception collaborative du type MBSE est assimilable à un système organisationnel complexe, impliquant des vues ou dimensions différentes. Ainsi, l’identification de ces dimensions, leur définition et l’étude de leurs interactions constituent le premier objectif de cette recherche. La compréhension de chacune d’entre elles pour améliorer la collaboration entre les différents membres du projet, est le deuxième objectif.Le troisième et dernier objectif de cette thèse est de proposer des systèmes socio-techniques (STS), assistant la collaboration. Les résultats de cette recherche, fournissent une méthodologie pour manager la complexité organisationnelle dans des projets collaboratifs du type MBSE. Elle est le produit d’une combinaison de quatre méthodes permettant la caractérisation de ses dimensions (processus, acteurs, objets et outils), tout en définissant leurs interactions. Ces méthodes assistent respectivement : 1) La description et l’évaluation de ces projets avec une perspective systémique 2) l’établissement d’une vision partagée du travail 3) l’analyse des coopérations entre les acteurs, et 4) le développement de STS tels quels des environnements collaboratifs et des supports collaboratif de capitalisation. L’implémentation en industrie des méthodes proposées, processus et recommandations, a montré comment la mise en avant de la collaboration dans les projets de design MBSE, permet d’améliorer l’ensemble du développement de produit
The organisational complexity implied by New Product Development (NPD) within the industry, is often induced by the complex nature of the products themselves. In this context, MBSE (Model Based Systems Engineering) and collaborative approaches address those complexities and have been recognised by their contribution to improve the NPD processes. A successful implementation of a collaborative MBSE design would allow to manage both complexities. This PhD thesis describes an investigation on collaborative MBSE design projects within French teams in automotive and aeronautics companies, with the purpose of enhancing them to improve product development. We understand collaborative MBSE design as a complex organisational system which implies different views or dimensions. The identification of those dimensions, their definition and the study of their interactions constitute the first objective of this research. Understanding each dimension in order to improve collaboration between the project members is the second objectivedeuxième objectif.The third and last objective of this research is to propose Socio Technical Systems (STS) supporting this collaboration. The results of the thesis provide a methodology to manage organisational complexity in collaborative MBSE design projects. The methodology is a combination of four methods assisting the characterisation of the MBSE dimensions (people, process, information objects and tools), while defining their interactions. These methods support respectively: 1) The assessment and description of collaborative MBSE design projects from a systemic perspective 2) The establishment of a shared vision of the work 3) The analysis of the cooperation among the actors 4) The development of STS such as collaborative environment and a collaborative capitalisation support. The implementation of the proposed methods, process and guidelines in the industry has shown how the enhancement of collaboration in MBSE design projects can improve the overall product development

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Goumaa, Rasha. „Examining the nature of reflective learning in an online MBA : a dialogic approach“. Thesis, University of Liverpool, 2014. http://livrepository.liverpool.ac.uk/19513/.

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The debate around the relevance of management education to practice is a long standing one. Critics argue that conventional, lectured-based teaching does not attend to practitioners’ needs and their complex realities. Critical management education has been held up as an alternate teaching pedagogy that speaks more adequately to practice. A starting point for a critical pedagogy may be a social constructivist approach where students actively construct their own knowledge and meanings rather than passively receive information. The essence of critical management education is to create more spaces to promote a questioning attitude towards practice and theory and help management students to become active, reflective learners. So far, investigations of criticality seem to have largely drawn on exploring management students’ perspectives about their learning experience. Little evidence is available on what becoming more or less critical entails for management students from within practice. There is no mention of a rigorous framework that would offer insights about what to look for in investigating reflective learning from within its natural setting. As an area that appears to be under developed in critical management education research, the nature of reflective learning evoked in classroom dialogue is considered, and a framework is devised based on Bakhtin’s dialogism to help identify and conceptualize reflective learning. The availability of online courses has grown strongly over the past two decades. A number of commentators consequently see that online management learning is becoming a mainstream aspect of higher education. Yet, serious reservations against the nature of learning that an asynchronous, text-based learning environment can offer management students have been raised. Therefore, an online MBA classroom is chosen as the site of this study. Data is collected through a combination of observations of online classroom conversations and document analysis. The proposed framework is used is to carry out a relational analysis of online, text-based classroom conversations. It is not the asynchronicity of the setting that is inherently problematic in stimulating reflective, emancipatory learning. The potential of online management classrooms to engender dialogic, reflective learning amongst management students responds to the wider critiques of the status of learning in management classrooms. A critical approach to online teaching, which is not underpinned by a critical curriculum, is proposed. There is an urgent need to attend to the role of online tutors and their influence on the nature of learning, which occurs in their conversations with students in virtual classrooms. The study opens up the scope for assessing online management learning as a “dialogical construction of meaning” and offers insights into the online setting beyond the passive portrayals of learners.

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Abdeljabbar, Nourhene. „Conception d'une méthodologie appliquée aux modèles dynamiques multi-physiques à topologie dynamique“. Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLC016.

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La modélisation des systèmes mécatroniques nécessite le même type de méthodologie pour la conception et le prototypage de dispositifs mécatroniques. Une ingénierie unifiée et intégrée doit être déployée. Diverses approches sont actuellement proposées pour atteindre de la modélisation multi-physique comme la théorie des graphes, les approches équationnelles ou les techniques. Dans ce contexte, l’objectif de nos travaux de recherche est la conception d'une méthodologie appliquée aux modèles dynamiques multi-physiques à topologie dynamique. Pour une telle contribution, il est nécessaire de partir d’une approche existante. Cette approche porte sur la modélisation topologique puisqu’elle est basée sur les collections topologiques et les transformations. Cette approche topologique est utilisée pour modéliser les systèmes mécatroniques.Son point fort est la séparation de la topologie (loi d'interconnexion) et la loi de comportement (physique) qui permet la simplification de la modélisation de systèmes complexes que l'on peut décrire comme un ensemble d'interactions locales entre entités élémentaires. La thèse propose donc une nouvelle méthodologie nommée 4Mo(DS)2 qui se rapporte à la modélisation multi-niveaux, multi-domaines et multi-physiques basée sur des systèmes dynamiques qui ont des structures dynamiques. Cette méthodologie permet la modélisation topologique des modèles dynamiques multi-physiques à topologie dynamique pendant la phase de conception tout en prenant en compte les modifications topologiques, le contrôle et commande ainsi que l’intégration de la dimension deux dans leur structure topologique
Mechatronic systems modelling requires the same type of methodology for the design and prototyping of mechatronic devices. Unified and integrated engineering must be deployed. Various approaches are currently proposed to achieve multi-physics modeling such as graph theory, equational approaches or techniques. In this context, the objective of our research work is the design of a methodology applied to dynamic multi-physical models with dynamic topology. For such a contribution, it is necessary to start from an existing approach. This approach focuses on topological modelling since it is based on topological collections and transformations. This topological approach is used to model mechatronic systems.Its strong point is the separation of topology (interconnection law) and behavior law (physical) which allows the simplification of the modeling of complex systems that can be described as a set of local interactions between elementary entities. The thesis therefore proposes a new methodology named 4Mo(DS)2 which relates to multilevel, multi-physical and multi-domain modeling based on dynamic systems that have dynamic structures. This methodology allows the topological modeling of dynamic multi-physical dynamic topology models during the design phase while taking into account topological modifications, control and command as well as the integration of dimension two into their topological structure

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McIntire, Mark Douglas. „Conformational studies of selected phosphines using an empirical computational approach“. Virtual Press, 1985. http://liblink.bsu.edu/uhtbin/catkey/444702.

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Conformations of phenyl and alkyl substituted phosphines were studied by using an empirical computer program, CAMSEQ. The computer program employs potential energy functions for calculating non-bonded interactions. The three potential energy functions employed are: steric interactions, represented by Lennard-Jones 6-12 potentials; electrostatic interactions, computed from a Coulomb's Law function; and torsional barriers, approximated by a two-term cosine function. P-C and C-C torsional functions were parameterized for a variety of phosphorus and carbon substituents from published experimental data. Phenyl and alkyl substituent conformations as affected by length, Position and number of alkyl chain substituents are described and related to effective sizes of the phosphines.Ball State UniversityMuncie, IN 47306

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Hodgson, S. P. „A unified MCS based approach to the adaptive position and interaction control of robotic manipulators“. Thesis, University of Bristol, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.357953.

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Gorman, C. Allen, und Thomas W. Moore. „Constructing Future Business Leaders:Evaluating a Mixed Methods Approach to Leadership Education in an MBA Curriculum“. Digital Commons @ East Tennessee State University, 2017. https://dc.etsu.edu/etsu-works/413.

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Gorman, C. Allen, und T. W. Moore. „Constructing Future Business Leaders: Evaluating a Mixed Methods Approach to Leadership Education in an MBA Curriculum“. Digital Commons @ East Tennessee State University, 2019. https://dc.etsu.edu/etsu-works/7787.

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Faye-Dumanget, Christine. „L'épuisement estudiantin : approche clinique, psychopathologique, épidémiologique et psychothérapeutique TCC du syndrome du burnout académique“. Thesis, Nantes, 2018. http://www.theses.fr/2018NANT2050/document.

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Dans le champ de la santé mentale, la population étudiante constitue un groupe particulièrement vulnérable en termes de détresse ou de souffrance psychologique. En effet, les risques anxiodépressifs et addictifs font partie des troubles souvent identifiés chez ces jeunes adultes. Le stress est également particulièrement prégnant et l’épuisement pour cette classe d’âge représente la première cause de fragilité psychologique. Les recherches internationales qui s’intéressent à la santé psychique des étudiants décrivent ce phénomène sous le terme de syndrome de burnout académique ou burnout académique (BOA). Cette souffrance largement reconnue dans le milieu professionnel est transposable au monde des études et de la formation. Elle reflète un processus tridimensionnel dont les composantes sont l’épuisement psychique, le cynisme et la réduction ou la perte du sentiment d’efficacité lié aux études. Si de nombreux travaux internationaux s’intéressent au BOA, il n’existe pas d’outil validé en français, ce qui complique la possibilité de mener de telles études systématisées dans des pays francophones. L’objectif de ce travail consiste à rendre compte du phénomène d’un point de vue clinique (cas cliniques), à valider empiriquement un outil d’évaluation du burnout académique (validation psychométrique du Maslach Burnout Inventory-Student Survey (MBI-SS) sur un échantillon de 667 étudiants), à procéder à l’exploration épidémiologique du BOA et ses les liens avec certains facteurs psychopathologiques (anxiété, dépression) et processus adaptatifs (régulation émotionnelle, flexibilité mentale) avec un échantillon de 2260 étudiants provenant d’espaces francophones et enfin à proposer une prise en charge du BOA s’appuyant sur les Thérapies Comportementales et Cognitives. L’ensemble de ces études est discuté afin de mettre en exergue la particularité du BOA dans cette population et la caractéristiques d’une dimension du BOA, l’épuisement émotionnel, en tant que processus transdiagnostique
The student population is a particularly vulnerable group in terms of distress or psychological suffering. Indeed, anxiety-depressive and addictive risks are often identified in these young adults. Stress is also particularly prevalent and exhaustion for this age group is the first leading cause of psychological fragility. International researches focusing on student psychic health refer to this phenomenon with the terms academic burnout syndrome or academic burnout (ABO). Burnout is widely recognized in professional environments and is transferable to other contexts, such as higher education and training. It reflects a three-dimensional process which includes mental exhaustion, cynicism and the reduction or loss of the sense of effectiveness associated with studies. Even if many international studies investigated ABO, no French validated tool is available, which complicates the possibility of conducting systematic studies in French-speaking countries. The objective of this work is to report on the phenomenon from a clinical point of view (clinical cases), to empirically validate an evaluation tool for academic burnout (psychometric validation of the Maslach Burnout Inventory Student Survey (MBI-SS) on a sample of 667 students), to carry out the epidemiological exploration of the ABO and its links with certain psychopathological factors (anxiety, depression) and adaptive processes ( emotional regulation, mental flexibility) with a sample of 2260 students from French-speaking areas and finally to propose a management of ABO based on Behavioral and Cognitive Therapies. All of these studies are discussed in order to highlight the particularity of the ABO in this population as well as the characteristics of one ABO dimension, the emotional exhaustion, as a transdiagnostic process

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Bücher zum Thema "MBS approach"

MVS/XA JCL: A practical approach. Columbus: Merrill Pub. Co., 1990.

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Chand, Donald R. A modular approach to MS-DOS. Dubuque, IA: Wm.C. Brown Publishers, 1992.

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Minati, Gianfranco. New approaches for modelling emergence of collective phenomena. Monza-Milano: Polimetrica, 2008.

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Schoaff, Eileen Klimick. Advanced BASIC: A structured approach. St. Paul, MN: West Pub., 1986.

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Stevens, Matt. The construction MBA: Practical approaches to construction contracting. New York: McGrw-Hill, 2012.

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GAMP 5: A risk-based approach to compliant GxP computerized systems. Tampa (Fla.): ISPE, 2008.

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Starr, Martin Kenneth. Operations management: A systems approach. Danvers, MA: Boyd & Fraser Pub. Co., 1996.

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Slater, Jeffrey. College accounting: A practical approach, Canadian seventh edition. Scarborough, Ont: Prentice Hall Canada, 2000.

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Malachuk, Katie. Earn it: A surprising and proven approach to getting into top MBA programs. Bloomington, IN: Balboa Press, 2013.

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Schoaff, Eileen Klimick. Advanced BASIC: A structured approach for MS BASIC. St. Paul: West Pub. Co., 1988.

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Buchteile zum Thema "MBS approach"

Jorge, Pedro, Yann Bezin, Ilaria Grossoni und Sergio Neves. „Modelling Track Flexibility in Turnouts Using MBS Approach“. In Lecture Notes in Mechanical Engineering, 359–66. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-38077-9_42.

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Safar, Maytham H., und Cyrus Shahabi. „Observations on MBC and MBR Approaches“. In Shape Analysis and Retrieval of Multimedia Objects, 81–83. Boston, MA: Springer US, 2003. http://dx.doi.org/10.1007/978-1-4615-0349-1_8.

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Whitworth, Michael H. „Historicist Approaches“. In Virginia Woolf: Mrs Dalloway, 124–47. London: Macmillan Education UK, 2015. http://dx.doi.org/10.1007/978-1-137-54792-7_8.

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Blaine, Theodore, Ilya Voloshin, Kevin Setter und Louis U. Bigliani. „Minimally Invasive Approach for Shoulder Arthroplasty“. In MIS Techniques in Orthopedics, 45–70. New York, NY: Springer New York, 2006. http://dx.doi.org/10.1007/978-0-387-29300-4_4.

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Pawlewski, Pawel. „Situated MAS Approach for Freight Trains Assembly“. In Communications in Computer and Information Science, 106–17. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-38061-7_11.

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Boufedji, Dounia, Zahia Guessoum, Anarosa Brandão, Tewfik Ziadi und Aicha Mokhtari. „Towards a MAS Product Line Engineering Approach“. In Engineering Multi-Agent Systems, 161–79. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-91899-0_10.

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Bezwada, Hari P., Michael A. Mont, Peter M. Bonutti, Phillip S. Ragland, Craig M. Thomas, Marc Kester und Sandeep K. Chauhan. „Minimally Invasive Lateral Approach to Total Knee Arthroplasty“. In MIS Techniques in Orthopedics, 339–48. New York, NY: Springer New York, 2006. http://dx.doi.org/10.1007/978-0-387-29300-4_21.

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Seyler, T. M., M. A. Mont, J. F. Plate und P. M. Bonutti. „Valgus Approach to Total Knee Arthroplasty“. In Navigation and MIS in Orthopedic Surgery, 240–46. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-36691-1_31.

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Sassi, Elena, und Emilio Balzano. „Learning and Teaching Motion: MBL Approaches“. In Microcomputer–Based Labs: Educational Research and Standards, 147–63. Berlin, Heidelberg: Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-642-61189-6_8.

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De las Peñas, Ma Louise Antonette N., Eduard C. Taganap und Teofina A. Rapanut. „Color symmetry approach to the construction of crystallographic flat origami“. In Origami⁶, 11–20. Providence, Rhode Island: American Mathematical Society, 2015. http://dx.doi.org/10.1090/mbk/095.1/02.

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Konferenzberichte zum Thema "MBS approach"

Sivertsen, Ole Ivar. „Non-Linear FE Approach for Flexible Multibody Simulation of Mechanism Dynamics“. In ASME 1998 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/detc98/cie-5513.

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Abstract The simulation approach presented in this paper is based on a nonlinear Finite Element (FE) formulation for modelling of multibody systems (MBS). This formulation is developed to include a comprehensive library of MBS elements as links, joints, springs, dampers and external forces. The links are modelled as FE substructures and reduced to super elements by component mode synthesis (CMS). Super nodes are used for modelling of the mechanism elements referred to above.

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Jutras, Joseph, und Rick Barlow. „Reality Check: Improving Real-Time Pipeline Monitoring Using Near Real-Time Fluid Data“. In 2008 7th International Pipeline Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ipc2008-64508.

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MBS, the software based leak detection system employed by Enbridge, is a real time transient model and as such requires fluid characteristics of the various batches that enter the pipeline. In the past, of the 25 plus pipelines modeled, only 4 received fluid identifiers from the field. These fluid identifiers are a sub-string of the batch identifiers stored in flow computers located at custody transfer locations. On the remaining pipelines, Enbridge used fluid density from the field to infer fluid type and therefore characteristics. In the past whenever a number of fluids had the same density, MBS assigned a best-guess of fluid type. The ‘MBS Real Time Injection Batch Data’ project was proposed to bring fluid identifiers to MBS on the remaining lines with the purpose of improving MBS’ selection of fluid properties. Since injection points on the remaining lines were not custody transfer there were no flow computers at these locations. An existing application called Commodity Movement Tracking, or CMT, was used to provide fluid names to the leak detection model. CMT holds past, present, and future injection batch information in an Oracle database. Batch identifiers are queried, placed into the SCADA system, and forwarded on to MBS. This paper explores the new approach, introduced by the ‘MBS Real Time Injection Batch Data’ project, of providing MBS with batch identifiers.

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Maißer, P. „Differential-Geometric Methods in Multibody Dynamics and Control“. In ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/detc2005-84860.

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This paper presents a differential-geometric approach to the multibody system dynamics regarded as a point dynamics in a n-dimensional configuration space Rn. This configuration space becomes a Riemannian space Vn the metric of which is defined by the kinetic energy of the multibody system (MBS). Hence, all concepts and statements of the Riemannian geometry can be used to study the dynamics of MBS. One of the key points is to set up the non-linear Lagrangian motion equations of tree-like MBS as well as of constrained mechanical systems, the perturbed equations of motion, and the motion equations of hybrid MBS in a derivative-free manner. Based on this approach transformation properties can be investigated for application in real-time simulation, control theory, Hamilton mechanics, the construction of first integrals, stability etc. Finally, a general Lyapunov-stable force control law for underactuated systems is given that demonstrates the power of the approach in high-performance sports applications.

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Müller, Andreas. „MBS Motion Equation Without Explicit Definition of Body-Fixed Reference Frames“. In ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/detc2014-34511.

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Any description of rigid body motions requires body-fixed RFRs since the latter kinematically represent the bodies and are necessary to define their inertia properties. Consequently there is no formulation without RFR. Nevertheless this does not necessarily mean that the definition of body-fixed RFRs is an indispensable step in MBS modeling. A formulation without body-fixed reference frames is one that does not involve explicit definition of body-fixed frames to express the kinematics and the inertia data of an MBS. In this paper a formulation is presented that only requires a single spatial inertial frame to model all kinematic and dynamic properties of the MBS. It only requires the joint kinematics (axis and position vector) as well as the inertia tensors w.r.t. the spatial inertial frame in a reference configuration the MBS. That is, the inertia tensors of all rigid bodies are expressed w.r.t. a virtual body-fixed references frame that coincides with the spatial inertia frame in the reference configuration. Avoiding the explicit introduction of body-fixed reference frames significantly simplifies the MBS modeling. This is not only beneficial for manual modeling but also gives rise to much simpler MBS codes. The approach is discussed for tree-topology MBS as well as for closed loop systems. It is demonstrated for a planar slider-crank examples.

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Wei, Cheng, Liang Wang und Ahmed A. Shabana. „A Total Lagrangian ANCF Liquid Sloshing Approach for Multibody System Applications“. In ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/detc2015-46207.

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The objective of this investigation is to develop a total Lagrangian non-incremental liquid sloshing solution procedure based on the finite element (FE) absolute nodal coordinate formulation (ANCF). The proposed liquid sloshing modeling approach can be used to avoid the difficulties of integrating most of fluid dynamics formulations, which are based on the Eulerian approach, with multibody system (MBS) dynamics formulations, which are based on a total Lagrangian approach. The proposed total Lagrangian FE fluid dynamics formulation, which can be systematically integrated with computational MBS algorithms, differs significantly from the conventional FE or finite volume methods which are based on an Eulerian representation that employs the velocity field of a fixed control volume in the region of interest. The ANCF fluid equations are expressed in terms of displacement and gradient coordinates of material points, allowing for straight forward implementation of kinematic constraint equations and for the systematic modeling of the interaction of the fluid with the external environment or with rigid and flexible bodies. The fluid incompressibility conditions and surface traction forces are considered and derived directly from the Navier Stokes equations. Two ANCF brick elements, one is obtained using an incomplete polynomial representation and the other is obtained from a B-spline volume representation, are used. The new approach ensures the continuity of the displacement gradients at the nodal points and allows for imposing higher degree of continuity across the element interface by applying algebraic constraint equations that can be used to eliminate dependent variables and reduce the model dimensionality. Regardless of the magnitude of the fluid displacement, the fluid has a constant mass matrix, leading to zero Coriolis and centrifugal forces. The analysis presented in this paper demonstrates the feasibility of developing an efficient non-incremental total Lagrangian approach for modeling sloshing problems in MBS system applications in which the bodies can experience large displacements including finite rotations. Several examples are presented in order to shed light on the potential of using the ANCF liquid sloshing formulation developed in this study.

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Wang, Liang, Yongxing Wang, Antonio M. Recuero und Ahmed A. Shabana. „Use of ANCF Finite Elements in MBS Textile Applications“. In ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/detc2015-46330.

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The objective of this investigation is to present a new flexible multibody system (MBS) approach for modeling textile roll-drafting sets used in chemical textile industry. The proposed approach can be used in the analysis of textile materials which have un-common material properties best described by specialized continuum mechanics constitutive models, for instance, the lubricated polyester filament bundles (PFB) presented in this paper. In this investigation, PFB is modeled as a hyper-elastic transversely isotropic material using absolute nodal coordinate formulation (ANCF). The PFB strain energy density function is decomposed into a fully isotropic component and an orthotropic, transversely isotropic component expressed in terms of five invariants of the right Cauchy-Green deformation tensor. Using this energy decomposition, the second Piola-Kirchhoff stress and the elasticity tensors can also be split into isotropic and transversely isotropic parts. Constitutive equations are used to evaluate the generalized material forces associated with the coordinates of three-dimensional fully-parameterized ANCF finite elements. The proposed model allows for modeling the dynamic interaction between the rollers and PFB and allows for using spline functions to specify the PFB forward velocity. The paper demonstrates that the textile material constitutive equations and the MBS algorithms can be used effectively to obtain numerical solutions that define the state of strain of the textile material and the relative slip between rollers and PFB and therefore provide a good method to study the roll-drafting process in the chemical textile industry.

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Müller, Andreas, und Zdravko Terze. „A Constraint Stabilization Method for Time Integration of Constrained Multibody Systems in Lie Group Setting“. In ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/detc2014-34899.

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The stabilization of geometric constraints is vital for an accurate numerical solution of the differential-algebraic equations (DAE) governing the dynamics of constrained multibody systems (MBS). Although this has been a central topic in numerical MBS dynamics using classical vector space formulations, it has not yet been sufficiently addressed when using Lie group formulations. A straightforward approach is to impose constraints directly on the Lie group elements that represent the MBS motion, which requires additional constraints accounting for the invariants of the Lie group. On the other hand, most numerical Lie group integration schemes introduce local coordinates within the integration step, and it is natural to perform the stabilization in terms of these local coordinates. Such a formulation is presented in this paper for index 1 formulation. The stabilization method is applicable to general coordinate mappings (canonical coordinates, Cayley-Rodriguez, Study) on the MBS configuration space Lie group. The stabilization scheme resembles the well-known vectors space projection and pseudo-inverse method consisting in an iterative procedure. A numerical example is presented and it is shown that the Lie group stabilization scheme converges normally within one iteration step, like the scheme in the vector space formulation.

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Ma, Ming-Tang, und Bernhard Loibnegger. „Simulation of EHD Lubrication of Common-Pin Conrod Big End Bearings in High Speed IC Engines“. In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-63157.

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This paper describes a methodology for the analysis of elastohydrodynamics (EHD) of connecting-rod (conrod) big end bearings in high-speed internal combustion (IC) engines. In addition to the elasticity of the conrod structure and crankpin, the dynamic and inertial effect of conrod motion on the bearing tribological behaviour is considered realistically based on a multi-body system (MBS) approach. Results show that it is necessary to simulate two big end bearings of common-pin simultaneously with the inclusion of a complete crankthrow in the MBS model.

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Ma, Ming-Tang, Bernhard Loibnegger und Paul Herster. „Advanced Elastohydrodynamic Analysis of Journal Bearings in IC Engines With a Multi-Body System Approach“. In ASME 2006 Internal Combustion Engine Division Spring Technical Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/ices2006-1349.

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This paper presents a rigorous analysis of the elastohydrodynamic (EHD) lubrication of journal bearings in internal combustion (IC) engines. The approach treats a set of radial slider (plain journal) bearings as a system or a subsystem. Thus, they can be simulated simultaneously, and hence the system effect is included. The analysis considers both the elasticity and dynamics of the connected parts such as the cylinder block (or main bearing walls), crankshaft and conrod. Both local vibration and global motion of these elastic parts are modelled by a multi-body system (MBS) approach. Hence, the EHD behaviour of engine bearings is simulated in a realistic manner.

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Callejo, Alfonso, und Javier Garci´a de Jalo´n. „Teaching Undergraduate Numerical Methods Through a Practical Multibody Dynamics Project“. In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-48351.

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Among the many different approaches to teach engineering subjects, the project-based methodology turns out to be one of the most effective ones. In the field of undergraduate numerical methods, it can overcome some of its inherent difficulties. This paper considers a particular context: a general 90-hour numerical methods subject in an Industrial-Mechanical Engineering degree. The methods are applied to mechanical engineering problems such as matrix structural analysis, finite element method, multibody systems (MBS), harmonic analysis, or optimization. The article suggests how an appropriate formulation and a practical MATLAB™-based project make up a good approach for a short-time practical training on multibody dynamics (MBD) within that subject. The keys to the theoretical lessons and an example of the project are explained thoroughly. The mechanical project has to be rich in numerical methods. MBD and the finite element method fulfill this requirement. The former is chosen in this article. The students know the basics, but they have to learn everything about MBD in very little time. This experience can be useful in other educational contexts. After explaining the approach, some sample assignment exercises are described, as well as a possible way to assess the work of the students. The result of this approach is a reasonable achievement-time tradeoff shown in the solid skills acquired by the students and proven by the experience of the last few years.

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Berichte der Organisationen zum Thema "MBS approach"

Mullainathan, Sendhil, und Ziad Obermeyer. A Machine Learning Approach to Low-Value Health Care: Wasted Tests, Missed Heart Attacks and Mis-Predictions. Cambridge, MA: National Bureau of Economic Research, August 2019. http://dx.doi.org/10.3386/w26168.

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Luo, Jim, und Myong Kang. An Infrastructure for Multi-Level Secure Service-Oriented Architecture (MLS-SOA) Using the Multiple Single-Level Approach. Fort Belvoir, VA: Defense Technical Information Center, Dezember 2009. http://dx.doi.org/10.21236/ada514453.

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Woods, W. D., A. K. Jowdy, C. H. Keehn, R. M. Gale und R. I. Smith. MRS Action Plan Task B report: Analyses of alternative designs and operating approaches for a Monitored Retrievable Storage Facility. Office of Scientific and Technical Information (OSTI), Dezember 1988. http://dx.doi.org/10.2172/6630051.

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Chapman, Ray, Phu Luong, Sung-Chan Kim und Earl Hayter. Development of three-dimensional wetting and drying algorithm for the Geophysical Scale Transport Multi-Block Hydrodynamic Sediment and Water Quality Transport Modeling System (GSMB). Engineer Research and Development Center (U.S.), Juli 2021. http://dx.doi.org/10.21079/11681/41085.

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The Environmental Laboratory (EL) and the Coastal and Hydraulics Laboratory (CHL) have jointly completed a number of large-scale hydrodynamic, sediment and water quality transport studies. EL and CHL have successfully executed these studies utilizing the Geophysical Scale Transport Modeling System (GSMB). The model framework of GSMB is composed of multiple process models as shown in Figure 1. Figure 1 shows that the United States Army Corps of Engineers (USACE) accepted wave, hydrodynamic, sediment and water quality transport models are directly and indirectly linked within the GSMB framework. The components of GSMB are the two-dimensional (2D) deep-water wave action model (WAM) (Komen et al. 1994, Jensen et al. 2012), data from meteorological model (MET) (e.g., Saha et al. 2010 - http://journals.ametsoc.org/doi/pdf/10.1175/2010BAMS3001.1), shallow water wave models (STWAVE) (Smith et al. 1999), Coastal Modeling System wave (CMS-WAVE) (Lin et al. 2008), the large-scale, unstructured two-dimensional Advanced Circulation (2D ADCIRC) hydrodynamic model (http://www.adcirc.org), and the regional scale models, Curvilinear Hydrodynamics in three dimensions-Multi-Block (CH3D-MB) (Luong and Chapman 2009), which is the multi-block (MB) version of Curvilinear Hydrodynamics in three-dimensions-Waterways Experiments Station (CH3D-WES) (Chapman et al. 1996, Chapman et al. 2009), MB CH3D-SEDZLJ sediment transport model (Hayter et al. 2012), and CE-QUAL Management - ICM water quality model (Bunch et al. 2003, Cerco and Cole 1994). Task 1 of the DOER project, “Modeling Transport in Wetting/Drying and Vegetated Regions,” is to implement and test three-dimensional (3D) wetting and drying (W/D) within GSMB. This technical note describes the methods and results of Task 1. The original W/D routines were restricted to a single vertical layer or depth-averaged simulations. In order to retain the required 3D or multi-layer capability of MB-CH3D, a multi-block version with variable block layers was developed (Chapman and Luong 2009). This approach requires a combination of grid decomposition, MB, and Message Passing Interface (MPI) communication (Snir et al. 1998). The MB single layer W/D has demonstrated itself as an effective tool in hyper-tide environments, such as Cook Inlet, Alaska (Hayter et al. 2012). The code modifications, implementation, and testing of a fully 3D W/D are described in the following sections of this technical note.

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Inter-American Development Bank Group Climate Change Action Plan 2021-2025. Inter-American Development Bank, März 2021. http://dx.doi.org/10.18235/0003153.

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The Climate Change Action Plan describes the IDB Groups progress since 2016 to support the regions need for low-carbon and climate-resilient development finance and its plan to raise climate ambition continuously in the region. The Second Update to the Institutional Strategy specifies that cross cutting issues, including climate change, continue to hamper development and that the IDB Group will renew its commitment to address them. The climate-finance goal set in the Bahamas Resolution has been extended through its inclusion in the IDB Group Corporate Results Framework 2020- 2023 (CRF 20202023).5 At the same time, all MDBs have committed to complement tracking of their financial contributions to climate action with a new approach focused on the consistency of their support with long-term decarbonization and climate resilience efforts. To this end, MDBs have outlined a common approach to support countries to deliver on their commitments under the PA. There has also been increasing recognition of the need to measure the results of the IDB Groups climate action and the complexity it entails.

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Provider core competencies for improved Mental health care of the nation. Academy of Science of South Africa (ASSAf), 2021. http://dx.doi.org/10.17159/assaf.2019/0067.

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This report is a comprehensive document reviewing current training programmes for various cadres of service providers who provide (or could provide) care for people with mental, neurological and substance use (MNS) disorders in South Africa. The review used national mental health and disability policies to develop a vision of contextually-appropriate services using a task-shifting disability-inclusive approach as a framework for the review. The report consists of the following sections: • An introductory section including the executive summary, background to, and methodology of the study. • The body of the report consists of separate chapters for each category of service provider, with a detailed examination of current curricula measured against the core competencies identified by the researchers. Key findings are highlighted at the start of each chapter, as well in the concluding section of the report. • The concluding section of the report summarises key findings, discusses limitations of the study and makes recommendations regarding the use of the report as well as for further research.

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