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Journal articles on the topic 'Material Property Identification'

Author: Grafiati

Published: 6 September 2023

Last updated: 7 September 2023

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1

Wilkie, Jack, Paul D. Docherty, and Knut Möller. "Model-based bone material property identification." at - Automatisierungstechnik 68, no. 11 (2020): 913–21. http://dx.doi.org/10.1515/auto-2020-0083.

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AbstractCorrect torqueing of bone screws is important for orthopaedic surgery. Surgeons mainly tighten screws ad hoc, risking inappropriate torqueing. An adaptive torque-limiting screwdriver may be able to measure the torque-rotation response and use parameter identification of key material properties to recommend optimal torques. This paper analyses the identifiability and sensitivity of a model of the bone screwing process. The accuracy with which values of the Young modulus (E) of the bone were identified depended on the value of E, with larger values being less accurately identified. The e

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Kottner, Radek, Richard Hynek, Tomáš Mandys, and Jan Bartošek. "Material property determination of the lining layers of a versatile helmet." MATEC Web of Conferences 157 (2018): 06005. http://dx.doi.org/10.1051/matecconf/201815706005.

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This paper deals with material property identification of a helmet lining consisting of an outer layer of an expanded polystyrene (EPS) and inner layer of an open-closed cell foam (OCCF). A combined numerical simulation and experimental testing was used for the material property identification. Compression and drop tests were performed. The ABAQUS finite element commercial code was used for numerical simulations in which the OOCF was modelled as a rate dependent viscoelastic material, while the EPS as a crushable foam. The reaction force time histories coming from the numerical simulation and

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3

TAKEKOSHI, Kunio. "Study on the Identification Method for the Non-linear Material Property." Proceedings of the Materials and Mechanics Conference 2019 (2019): OS1512. http://dx.doi.org/10.1299/jsmemm.2019.os1512.

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4

O'Callaghan, Tim. "Intellectual property in the petroleum production and exploration sector—the other hidden asset." APPEA Journal 55, no. 2 (2015): 447. http://dx.doi.org/10.1071/aj14082.

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According to IBISWorld (2013), 7.7% of Australia’s A$11 trillion assets are natural resources and 5.4% is intellectual property. Despite this intellectual property is overlooked as a valuable asset in the oil and gas industry. As the means of extraction become more complex, the methods and tools needed for the purpose can give one company an edge over another. Intellectual property rights help to protect that competitive advantage. Companies need to have a strategy for the early identification, management and protection of this asset. Customers, contractors and joint venture partners can creat

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5

Sung, Byung Joon, Jin Woo Park, and Yong Hyup Kim. "Material Property Identification of Composite Plates Using Neural Network and Evolution Algorithm." AIAA Journal 40, no. 9 (2002): 1914–16. http://dx.doi.org/10.2514/2.1873.

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Sung, B. J., J. W. Park, and Y. H. Kim. "Material property identification of composite plates using neural network and evolution algorithm." AIAA Journal 40 (January 2002): 1914–16. http://dx.doi.org/10.2514/3.15278.

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Lißner, Julian, and Felix Fritzen. "Data-Driven Microstructure Property Relations." Mathematical and Computational Applications 24, no. 2 (2019): 57. http://dx.doi.org/10.3390/mca24020057.

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An image based prediction of the effective heat conductivity for highly heterogeneous microstructured materials is presented. The synthetic materials under consideration show different inclusion morphology, orientation, volume fraction and topology. The prediction of the effective property is made exclusively based on image data with the main emphasis being put on the 2-point spatial correlation function. This task is implemented using both unsupervised and supervised machine learning methods. First, a snapshot proper orthogonal decomposition (POD) is used to analyze big sets of random microst

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Feng, Xiang Sai, and Kai Shu Guan. "Identification of Creep Property by Small Punch Creep Test and Neural Networks." Applied Mechanics and Materials 711 (December 2014): 227–30. http://dx.doi.org/10.4028/www.scientific.net/amm.711.227.

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Present work describes an approach to identify creep properties of P91 with finite element simulations and neural networks. The small punch test was used to determine the material property under high temperature. Results showed that, the neural networks could be used to evaluate the creep property together with the small punch creep test and finite element simulations.

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Gaillard, Claire, Agnieszka Mech, Wendel Wohlleben, et al. "A technique-driven materials categorisation scheme to support regulatory identification of nanomaterials." Nanoscale Advances 1, no. 2 (2019): 781–91. http://dx.doi.org/10.1039/c8na00175h.

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10

Savvas, Dimitrios, Iason Papaioannou, and George Stefanou. "Bayesian identification and model comparison for random property fields derived from material microstructure." Computer Methods in Applied Mechanics and Engineering 365 (June 2020): 113026. http://dx.doi.org/10.1016/j.cma.2020.113026.

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11

Cao, Li Juan, Zi Chang Shangguan, and Shou Ju Li. "Nonlinear Identification Approach of Nonlinear Constitutive Model of Soil Material with Optimization Procedure." Advanced Materials Research 461 (February 2012): 686–89. http://dx.doi.org/10.4028/www.scientific.net/amr.461.686.

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Model identification of dynamic systems in the vibration engineering field has been followed with interest in recent years. A number of identification techniques on this topic are now available, such as parametric or non-parametric identification methods, time domain or frequency domain estimation approaches, etc. The identification approach of nonlinear constitutive model from input-output measurements is proposed. The inverse problem of material characterization is formulated as parameter identification problem that is solved by using optimization procedure. A set of parameters corresponding

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12

Zhao, Aobo, Ali Imam Sunny, Li Li, and Tengjiao Wang. "Machine Learning-Based Structural Health Monitoring Using RFID for Harsh Environmental Conditions." Electronics 11, no. 11 (2022): 1740. http://dx.doi.org/10.3390/electronics11111740.

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Post Operation Clean Out (POCO) is the process to remove hazardous materials and decommission nuclear facilities at the end of a nuclear plant’s lifetime. The introduction of Internet of Things (IoT) technologies in the environment, especially radio frequency identification (RFID), would improve efficiency and safety by intelligently monitoring POCO activities. In this paper, we present a passive material identification and crack sensing method developed for the integration of sensing and communication using commercial off-the-shelf (COTS) RFID tags, which is a long-term solution to material p

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13

Lee, Jong-Yong, Hyun-Jae Seo, Kyu-Hwan Oh, Jiang Bo, and Sang-Keun Oh. "Crack-Bridging Property Evaluation of Synthetic Polymerized Rubber Gel (SPRG) through Yield Stress Parameter Identification." Materials 14, no. 24 (2021): 7599. http://dx.doi.org/10.3390/ma14247599.

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Yield stress parameter derivation was conducted by stress-strain curve analysis on four types of grout injection leakage repair materials (GILRM); acrylic, epoxy, urethane and SPRG grouts. Comparative stress-strain curve analysis results showed that while the yield stress point was clearly distinguishable, the strain ratio of SPRG reached up to 664% (13 mm) before material cohesive failure. A secondary experimental result comprised of three different common component ratios of SPRG was conducted to derive and propose an averaged yield stress curve graph, and the results of the yield stress poi

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SAPOZHNYK, Dmytro. "MODERN ASPECTS OF IDENTIFICATION OF COUNTERFEIT PRODUCTS." Herald of Khmelnytskyi National University. Economic sciences 316, no. 2 (2023): 226–29. http://dx.doi.org/10.31891/2307-5740-2023-316-2-36.

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The article discusses the problems and modern aspects of identification of counterfeit products, as well as the problems arising in the course of combating counterfeit goods. It is stated that if the manufacture, distribution or other use, as well as import, transportation or storage of material media containing the result of intellectual activity or means of individualization lead to infringement of the exclusive right to such result or means, such material media are considered counterfeit. The author shows that importation and distribution of counterfeit products are primarily associated wit

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15

Meisel, Nicholas Alexander, David A. Dillard, and Christopher B. Williams. "Impact of material concentration and distribution on composite parts manufactured via multi-material jetting." Rapid Prototyping Journal 24, no. 5 (2018): 872–79. http://dx.doi.org/10.1108/rpj-01-2017-0005.

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Purpose Material jetting approximates composite material properties through deposition of base materials in a dithered pattern. This microscale, voxel-based patterning leads to macroscale property changes, which must be understood to appropriately design for this additive manufacturing (AM) process. This paper aims to identify impacts on these composites’ viscoelastic properties due to changes in base material composition and distribution caused by incomplete dithering in small features. Design/methodology/approach Dynamic mechanical analysis (DMA) is used to measure viscoelastic properties of

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16

Wu, Ze Yu, Bing Wang, Yong Jun Lu, Chen Jing Li, Suai Fu Gu, and Wen Yuan Li. "Structure Mode Geometrical Identification and Application." Applied Mechanics and Materials 438-439 (October 2013): 765–68. http://dx.doi.org/10.4028/www.scientific.net/amm.438-439.765.

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Frequency and mode are character parameters of structure, and mode is also self-contained coordinate basis vector of displacement, so mode can be used for concept design and mechanical design. Through depth-width ratio from one to seven, results indicate the whole deformation of structure varies from shear mode to bend mode gradually; except for vertical mode, general mode is not one deformation, it is coupled by several deformations and one deformation ratio is dominant. During three of depth-width ratio, structure deforms in shear mode, so masonry structure should be in that range. In order

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17

Wang, Jianjun, and Timothy C. Ovaert. "Computational mechanical property determination of viscoelastic/plastic materials from nanoindentation creep test data." Journal of Materials Research 24, no. 3 (2009): 1245–57. http://dx.doi.org/10.1557/jmr.2009.0141.

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Nanoindentation is a widely accepted test method for materials characterization. On account of the complexity of contact deformation behavior, design of parametric constitutive models and determination of the unknown parameters is challenging. To address the need for identification of mechanical properties of viscoelastic/plastic materials from nanoindentation data, a combined numerical finite element/optimization-based indentation modeling tool was developed, fully self-contained, and capable of running on a PC as a stand-alone executable program. The approach uses inverse engineering and for

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18

Kim, S., and K. A. Stelson. "Finite Element Method for the Analysis of a Material Property Identification Algorithm for Pressbrake Bending." Journal of Engineering for Industry 110, no. 3 (1988): 218–22. http://dx.doi.org/10.1115/1.3187872.

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Finite element analysis is used to evaluate an algorithm to identify the material characteristics of a sheet being bent in a pressbrake from force and displacement measurements. In this way, calculations are used as a numerical experiment so that the accuracy of the simplified model assumed for the identification algorithm can be assessed. The results also suggest ways to improve the algorithm. The identification algorithm is used as part of a real time control system for bending. The finite element analysis shows that the stress estimates are accurate, but that the strain estimates need impro

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19

Qiu, Bihan, Tong Han, and Yang Liu. "Application and Study of Epoxy Resin AB Adhesive in the Preparation of Rock Thin Section." Journal of Physics: Conference Series 2499, no. 1 (2023): 012011. http://dx.doi.org/10.1088/1742-6596/2499/1/012011.

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Abstract Common rock thin section making and identification technology is widely used in reservoir property research of oil and gas exploration and development, and in basic analysis such as rock and mineral identification. It is also used to identify and describe tiny rock particles, fossils, fractures, and structures. The preparation of qualified rock-thin sections is critical to the accuracy of identification results. Through the research on each link affecting the production process and materials of ordinary rock slices and continuous experimental optimization and comparison, epoxy resin A

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20

GUNAWAN, F. E., H. HOMMA, Y. KANTO, and Y. ZHAO. "PMC-14: Stress Wave Method for Identification of Viscoelastic Material Property Based on Finite-element Inverse-analysis(PMC-II: POLYMERS AND POLYMER MATRIX COMPOSITES)." Proceedings of the JSME Materials and Processing Conference (M&P) 2005 (2005): 6. http://dx.doi.org/10.1299/jsmeintmp.2005.6_4.

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21

Saha, Sourav, Orion L. Kafka, Ye Lu, Cheng Yu, and Wing Kam Liu. "Microscale Structure to Property Prediction for Additively Manufactured IN625 through Advanced Material Model Parameter Identification." Integrating Materials and Manufacturing Innovation 10, no. 2 (2021): 142–56. http://dx.doi.org/10.1007/s40192-021-00208-5.

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22

Maiti, Rishi, Rohit A. Hemnani, Rubab Amin та ін. "A semi-empirical integrated microring cavity approach for 2D material optical index identification at 1.55 μm". Nanophotonics 8, № 3 (2019): 435–41. http://dx.doi.org/10.1515/nanoph-2018-0197.

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AbstractAtomically thin 2D materials such as transition metal dichalcogenides (TMDs) provide a wide range of basic building blocks with unique properties, making them ideal for heterogeneous integration with a mature chip platform for advances in optical communication technology. The control and understanding of the precise value of the optical index of these materials, however, is challenging, as the standard metrology techniques such as the millimeter-large ellipsometry is often not usable due the small lateral 2D material flake dimension. Here, we demonstrate an approach of passive tunable

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23

Yoo, Ji Woo, Seong Hoon Seo, Jong Ho Park, and Ji Un Lee. "Material Property Identification of Damper Constrained by Thin Foil and Its Application to an Automotive Vehicle." International Journal of Automotive Technology 22, no. 4 (2021): 863–69. http://dx.doi.org/10.1007/s12239-021-0078-3.

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24

Chen, Fang Fiona, Jun Li Yang, and Geoff Downes. "A Visual Information Assessment Tool for Resin Canal Identification and Property Measurement." IAWA Journal 29, no. 4 (2008): 397–408. http://dx.doi.org/10.1163/22941932-90000194.

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Resin canal studies rely on the accurate measurement of various resin canal properties. The conventional approach of manually marking resin canals on a wood sample is not only labour intensive but, more importantly, unable to quantify the visual information of resin canals, such as the size and contrast of a resin canal. This paper describes a semiautomatic visual information processing approach that was developed to identify resin canals and growth rings from colour-scanned images of the transverse surface of polished wood samples, and to quantify the characteristics of resin canals by ring-b

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25

Altabey, Wael A., Mohammad Noori, Zele Li, et al. "A Novel MRE Adaptive Seismic Isolator Using Curvelet Transform Identification." Applied Sciences 11, no. 23 (2021): 11409. http://dx.doi.org/10.3390/app112311409.

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Magnetorheological elastomeric (MRE) material is a novel type of material that can adaptively change the rheological property rapidly, continuously, and reversibly when subjected to real-time external magnetic field. These new type of MRE materials can be developed by employing various schemes, for instance by mixing carbon nanotubes or acetone contents during the curing process which produces functionalized multiwall carbon nanotubes (MWCNTs). In order to study the mechanical and magnetic effects of this material, for potential application in seismic isolation, in this paper, different mathem

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26

Yudianto, Ahmad, Yeti Eka Sispitasri, and Nola Margaret. "ANALYSIS OF EARPHONE SWAB MITOCHONDRIAL DNA AS AN ALTERNATIVE MATERIAL FOR IDENTIFICATION EXAMINATION." Folia Medica Indonesiana 52, no. 3 (2017): 169. http://dx.doi.org/10.20473/fmi.v52i3.5446.

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Identification include fingerprint, property, medical, dental, serologic and exclusion methods. In the development, identification methods led to molecular forensics, a new field of science evolving since the 1980s, known as DNA fingerprinting. Specimens widely used in DNA assay for identification are blood spots/bloods, semen spots, vaginal swabs, buccal swabs and bones. In addition to these specimens, the last objects often used by the perpetrators/victims can be used, such as hearing aids (headsets/earphones). In its use, earphones are attached to the outer ear skin; thus, the earwax is sus

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27

Lin, Ren-Jeng, and Fu-Ping Cheng. "Multiple crack identification of a free–free beam with uniform material property variation and varied noised frequency." Engineering Structures 30, no. 4 (2008): 909–29. http://dx.doi.org/10.1016/j.engstruct.2007.03.017.

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28

Elisabedashvili, David. "Unenforceable Target Movable Property Under Enforcement." Journal of Legal Studies 28, no. 42 (2021): 103–23. http://dx.doi.org/10.2478/jles-2021-0014.

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Abstract Nowadays, enforcement is one of the crucial elements of justice. Right to the property is guaranteed by the constitution and therefore exercising property rights is one of the key goals of justice, the latter is implemented through effective and efficient enforcement. The present study is mainly dedicated to the specifics of enforcing property rights. Methods used in the research involve qualitative study, the latter encompasses observation of rules and regulations in national and international practices based on primary and secondary legal and historical sources, including official l

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Feng, Tao, Jing Wang, Nan Li, and Wei Min Xiao. "Hybrid Calculation Method of the Sound Transmission Loss of the Engine Air Cleaner." Applied Mechanics and Materials 44-47 (December 2010): 1603–6. http://dx.doi.org/10.4028/www.scientific.net/amm.44-47.1603.

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A kind of hybrid method to calculate the sound transmission loss (STL) of the air cleaner is researched here and the acoustical effect of the filter material is emphasized. The two-port model is decided to describe the sound transmission property of the filter material and the experimental identification method to obtain the elements of the transfer matrix is researched as well. This calculation method is applied to calculate the STL of a kind of engine air cleaner in two conditions with and without the acoustical effect of the filter material. The filter material shows the effect of sound abs

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Tian, Yu, Hui Qian, Zhifu Cao, Dahai Zhang, and Dong Jiang. "Identification of Pre-Tightening Torque Dependent Parameters for Empirical Modeling of Bolted Joints." Applied Sciences 11, no. 19 (2021): 9134. http://dx.doi.org/10.3390/app11199134.

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The vibration characteristics of bolted structures are crucially affected by the pre-tightening torque. An approach for identifying the pre-tightening torque dependent stiffness parameters of bolted joints is proposed in this paper. Firstly, the interface of the bolted joint is characterized by the thin layer element with the isotropic material property, and the parameter value of the property is assigned relative to the distance from the center of the bolt; the influence of the bolt is ignored. Secondly, the model updating method is adopted to identify the parameters of thin layer elements us

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Deuschle, Julia, Susan Enders, and Eduard Arzt. "Surface detection in nanoindentation of soft polymers." Journal of Materials Research 22, no. 11 (2007): 3107–19. http://dx.doi.org/10.1557/jmr.2007.0394.

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In this work, we performed nanoindentation studies on polymers with different moduli in the range of several millipascals up to several gigapascals. The focus was on the initial contact identification during indentation testing. Surface-detection methods using quasi-static loading as well as methods employing the dynamic forces associated with the continuous stiffness measurement technique were compared regarding their practicability and accuracy for the testing of polymeric materials. For the most compliant material with a modulus of 1 MPa, where contact identification is most critical, we us

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Haywood-Alexander, Marcus, Nikolaos Dervilis, Keith Worden, Robin S. Mills, Purim Ladpli, and Timothy J. Rogers. "A Bayesian Method for Material Identification of Composite Plates via Dispersion Curves." Sensors 23, no. 1 (2022): 185. http://dx.doi.org/10.3390/s23010185.

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Ultrasonic guided waves offer a convenient and practical approach to structural health monitoring and non-destructive evaluation. A key property of guided waves is the fully defined relationship between central frequency and propagation characteristics (phase velocity, group velocity and wavenumber)—which is described using dispersion curves. For many guided wave-based strategies, accurate dispersion curve information is invaluable, such as group velocity for localisation. From experimental observations of dispersion curves, a system identification procedure can be used to determine the govern

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Bukhkalo, Svetlana. "COMPLEX SYSTEMS OF TEACHING THE DISCIPLINE FUNDAMENTALS OF CHEMICAL INDUSTRY EQUIPMENT DESIGN AS A COLLABORATION OF EFCE and CFE-UA ASSOCIATIONS." Bulletin of the National Technical University "KhPI". Series: Innovation researches in students’ scientific work, no. 2 (February 27, 2023): 13–22. http://dx.doi.org/10.20998/2220-4784.2022.02.03.

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The materials of the article consider the possibilities for determining the educational goals of university students in order to further develop the components of complex projects. When writing the article, the experience of teaching the discipline "Fundamentals of chemical production equipment design" at the National Technical University "Kharkiv Polytechnic Institute" at the Department of Integrated Technologies, Processes and Devices in 2022 was used. Complex systems for determining the components of the discipline determined the competence and quality of the material, and the question that

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Bukhkalo, Svetlana. "COMPLEX INNOVATIVE SYSTEMS OF TEACHING MODERN FOOD TECHNOLOGIES – PROGRAMMING MODELS." Bulletin of the National Technical University "KhPI". Series: Innovation researches in students’ scientific work, no. 2 (February 27, 2023): 65–77. http://dx.doi.org/10.20998/2220-4784.2022.02.09.

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The materials of the article consider the possibilities for determining the educational goals of university students in order to further develop the discipline for the development of complex projects. When writing the article, the experience of teaching the disciplines "General technologies of food production" and "Food chemistry" at the National Technical University "Kharkiv Polytechnic Institute" at the Department of Integrated Technologies, Processes and Devices in 2002–2022 was used. Complex systems for determining the components of the discipline determined competence and quality material

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35

Scarpa, Federico, and Luca A. Tagliafico. "Thermophysical Property Estimation by Transient Experiments: The Effect of a Biased Initial Temperature Distribution." Mathematical Problems in Engineering 2015 (2015): 1–9. http://dx.doi.org/10.1155/2015/494051.

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The identification of thermophysical properties of materials in dynamic experiments can be conveniently performed by the inverse solution of the associated heat conduction problem (IHCP). The inverse technique demands the knowledge of the initial temperature distribution within the material. As only a limited number of temperature sensors (or no sensor at all) are arranged inside the test specimen, the knowledge of the initial temperature distribution is affected by some uncertainty. This uncertainty, together with other possible sources of bias in the experimental procedure, will propagate in

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Krishnappa, G. B., K. N. Arunkumar, and Mohammed Salman Pasha. "A Study on Hardness and Wear behaviour of Untreated and Cryogenically Treated Al-SiC and Al-Gr Metal Matrix Composite." MATEC Web of Conferences 144 (2018): 02020. http://dx.doi.org/10.1051/matecconf/201814402020.

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The present study aims at evaluating the hardness and wear behaviour of untreated and cryogenically treated aluminium-silicon carbide and aluminium graphite metal matrix composite. In this composite Al6061 is used as matrix material with varying Silicon carbide quantity from 2.5wt% to 10wt% and also varying the quantity of graphite from 1wt% to 4wt%. The composites used for this study were fabricated using stir casting technique. Electron dispersive X-ray spectroscopy and X-ray diffraction tests were carried out to know the composition and phase identification of the composite sample. Microstr

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Sutton, M. A., J. H. Yan, S. Avril, F. Pierron, and S. M. Adeeb. "Identification of Heterogeneous Constitutive Parameters in a Welded Specimen: Uniform Stress and Virtual Fields Methods for Material Property Estimation." Experimental Mechanics 48, no. 4 (2008): 451–64. http://dx.doi.org/10.1007/s11340-008-9132-6.

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Guidio, Bruno, and Chanseok Jeong. "On the feasibility of simultaneous identification of a material property of a Timoshenko beam and a moving vibration source." Engineering Structures 227 (January 2021): 111346. http://dx.doi.org/10.1016/j.engstruct.2020.111346.

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Macdonald, Roderick A. "Fruit Salad." Revue générale de droit 38, no. 2 (2014): 405–52. http://dx.doi.org/10.7202/1027042ar.

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In orthodox theory, the law of property is held to be fundamentally about the identification and protection of rights in things (corporeal property), assumed to be finite in space and infinite in time. But modern economies undermine the explanatory power of this orthodoxy four ways. First, the space of property can no longer be easily fixed once and for all. This is especially the case for incorporeals but is also true of corporeals. Second, the time of property is now understood differently. The past distinction between fruits and products has been questioned with the recognition that fruits,

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40

Zhang, Wei Wei, and Hong Xu. "Parameter Identification of a Stress Relaxation Model Based on Differential Evolution Algorithm." Advanced Materials Research 842 (November 2013): 482–85. http://dx.doi.org/10.4028/www.scientific.net/amr.842.482.

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In order to determine the parameters of a stress relaxation model based on Altenbach-Gorash-Naumenko creep equations, an efficient parameter identification scheme is discussed. The differential evolution (DE) algorithm is used in the identification procedure with a modified forward-Euler scheme. The model parameters of 1Cr-0.5Mo-0.25V stainless steel bolting material at 500°C have been determined, and the creep and stress relaxation behaviors have been calculated. Comparing with a step-by-step model parameter determination technology and the genetic algorithm (GA), it shows that the DE algorit

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Suni, Muhammad Adam, Cesar Andi Mappatoba, and Muhammad Darmawan Basoka. "Identification of Landslide Susceptibility Level in Buffer Village Lore Lindu National Park Using Scoring Method." International Journal of Multidisciplinary Approach Research and Science 1, no. 02 (2023): 221–36. http://dx.doi.org/10.59653/ijmars.v1i02.96.

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A landslide is a form of natural phenomenon that often occurs in mountainous and hilly regions with steep up to very steep slopes. Landslides are one of the most dangerous natural hazards and occur frequently in many hilly or mountainous areas, often occurring without warning and causing loss of life and property, marked with movement material of slope-forming materials in the form of rocks, soil, or materials down the slope. This study aimed to identify the distribution of landslide-prone areas in 86 buffer villages in Lore Lindu National Park, Central Sulawesi Province using geographic infor

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Zhang, Jun, and Zi Jian Qin. "The Study on Piezoelectric Impedance Technique Used in Loading Damage Identification." Advanced Materials Research 139-141 (October 2010): 2612–15. http://dx.doi.org/10.4028/www.scientific.net/amr.139-141.2612.

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The superiority and feasibility of piezoelectric impedance method used in damage detecting was expounded, and the research status of the technical was summarized. Then, the rationale of the basic theory of the technique used in damage identification and health monitoring was analyzed here. The experiment of the damage change of loaded beam was researched. The experiment of the beam which was loaded by a material property, the value of the beam was got by an impedance analyzer, while the beam with different pull force. The research indicates that while the testing frequency range should elect a

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Muench, Stefan, Mike Roellig, and Daniel Balzani. "A new method for the in vivo identification of degenerated material property ranges of the human eye: feasibility analysis based on synthetic data." Biomechanics and Modeling in Mechanobiology 21, no. 2 (2021): 401–18. http://dx.doi.org/10.1007/s10237-021-01541-6.

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AbstractThis paper proposes a new method for in vivo and almost real-time identification of biomechanical properties of the human cornea based on non-contact tonometer data. Further goal is to demonstrate the method’s functionality based on synthetic data serving as reference. For this purpose, a finite element model of the human eye is constructed to synthetically generate full-field displacements from different data sets with keratoconus-like degradations. Then, a new approach based on the equilibrium gap method combined with a mechanical morphing approach is proposed and used to identify th

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Algueró, M., H. Amorín, C. M. Fernández-Posada, et al. "Perovskite solid solutions with multiferroic morphotropic phase boundaries and property enhancement." Journal of Advanced Dielectrics 06, no. 02 (2016): 1630004. http://dx.doi.org/10.1142/s2010135x16300048.

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Recently, large phase-change magnetoelectric response has been anticipated by a first-principles investigation of phases in the BiFeO3–BiCoO3 perovskite binary system, associated with the existence of a discontinuous morphotropic phase boundary (MPB) between multiferroic polymorphs of rhombohedral and tetragonal symmetries. This might be a general property of multiferroic phase instabilities, and a novel promising approach for room temperature magnetoelectricity. We review here our current investigations on the identification and study of additional material systems, alternative to BiFeO3–BiCo

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Xu, Jing, and Wu Yao. "An Experimental Study of the Nano-Scratch Behavior of Cement Composite Material." Key Engineering Materials 492 (September 2011): 47–54. http://dx.doi.org/10.4028/www.scientific.net/kem.492.47.

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This paper presents a preliminary exploration in tribological property and dynamic elastic/plastic behavior of cement composite material at micro- and nano- scale. Pastes were prepared by pure cement clinker with water-to-cement ratio of 0.3 and 0.4. For comparison, a polymer-based clinker composite was also introduced. Nano-scratch test was carried out to study the scratch process. Different constituents were identified by penetration depth value. Based on this identification, the coefficient of friction and elastic deformation status were analyzed. Substrate effect was found when refers to t

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Xu, Jian, Xueliang Zhang, Cheng Sun, et al. "Catalytic Degradation of Diatrizoate by Persulfate Activation with Peanut Shell Biochar-Supported Nano Zero-Valent Iron in Aqueous Solution." International Journal of Environmental Research and Public Health 15, no. 9 (2018): 1937. http://dx.doi.org/10.3390/ijerph15091937.

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An emerging pollutant, diatrizoate (DTZ) has been frequently detected in aqueous solution. Unique reticular peanut shell biochar (BC)-supported nano zero-valent iron (nZVI) composite (nZVI/BC) was successfully synthesized and used as a catalyst for activating persulfate (PS) to promote the removal of DTZ. The structure and morphology of the nanocomposite materials were characterized by scanning electron microscopy, X-ray diffraction, Brunauer-Emmett-Teller measurements, and Fourier transform infrared spectroscopy. The degradation of DTZ (20 mg L−1) was achieved by activating PS with the nanoco

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Kralikova, Ivana, Branko Babusiak, and Maros Smondrk. "EEG-Based Person Identification during Escalating Cognitive Load." Sensors 22, no. 19 (2022): 7154. http://dx.doi.org/10.3390/s22197154.

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With the development of human society, there is an increasing importance for reliable person identification and authentication to protect a person’s material and intellectual property. Person identification based on brain signals has captured substantial attention in recent years. These signals are characterized by original patterns for a specific person and are capable of providing security and privacy of an individual in biometric identification. This study presents a biometric identification method based on a novel paradigm with accrual cognitive brain load from relaxing with eyes closed to

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Snow, Heidi J. "William Wordsworth’s Definition of Poverty." Articles, no. 56 (March 8, 2011): 0. http://dx.doi.org/10.7202/1001098ar.

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A close examination of Dorothy Wordsworth and William Wordsworth’s writing indicates that they considered themselves as living in poverty for some years before their case was settled with Lord Lowther. Both their material circumstances and contemporary definitions of poverty led them to identify themselves as “poor.” This article examines that self-identification and its evidence in their writings. Finally, William Wordsworth’s poem, “Last of the Flock,” indicates that he rejected a narrow parish view of poverty for a wider view that included the right to own some property.

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Tarfaoui, Mostapha, and Papa Birame Gning. "Experimental Investigation and Finite Element Analysis of Dynamic Behavior and Damage of Glass/Epoxy Tubular Structures." Key Engineering Materials 471-472 (February 2011): 951–56. http://dx.doi.org/10.4028/www.scientific.net/kem.471-472.951.

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This paper presents finite element analysis (FEA) of static and dynamic tests of thick filament wound glass/epoxy tubes. The first part involves the validation of elastic properties and identification of damage initiation and its development in dynamic tests. The results of FEA of the dynamic tests without damage appeared satisfactory. An impact model, including material property degradation, is used for damage prediction. The simulated damage is compared with that obtained experimentally. The sizes of projected and cumulated surfaces are of the same order of magnitude as in the experimental m

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Real, Eusebio, José Icardo, Gaspar Fernández-Barreras, et al. "Identification of Human Pathological Mitral Chordae Tendineae Using Polarization-sensitive Optical Coherence Tomography." Sensors 19, no. 3 (2019): 543. http://dx.doi.org/10.3390/s19030543.

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Defects of the mitral valve complex imply heart malfunction. The chordae tendineae (CTs) are tendinous strands connecting the mitral and tricuspid valve leaflets to the papillary muscles. These CTs are composed of organized, wavy collagen bundles, making them a strongly birefringent material. Disorder of the collagen structure due to different diseases (rheumatic, degenerative) implies the loss or reduction of tissue birefringence able to be characterized with Polarization Sensitive Optical Coherence Tomography (PS-OCT). PS-OCT is used to discriminate healthy from diseased chords, as the latte

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