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Artykuły w czasopismach na temat „Micromechanics”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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1

Mahesh, C., K. Govindarajulu, and V. Balakrishna Murthy. "Simulation-based verification of homogenization approach in predicting effective thermal conductivities of wavy orthotropic fiber composite." International Journal of Computational Materials Science and Engineering 08, no. 04 (2019): 1950015. http://dx.doi.org/10.1142/s2047684119500155.

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In this work, applicability of homogenization approach is verified with the micromechanics approach by considering wavy orthotropic fiber composite. Thermal conductivities of [Formula: see text]-300 orthotropic wavy fiber composite are determined for micromechanical model and compared with the results obtained by two stage homogenized model over volume fraction ranging from 0.1 to 0.6. Also, a methodology is suggested for reducing percentage deviation between homogenization and micromechanical approaches. Effect of debond on the thermal conductivities of wavy orthotrophic fiber composite is st

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2

Kim, Young Cheol, Hong-Kyu Jang, Geunsu Joo, and Ji Hoon Kim. "A Comparative Study of Micromechanical Analysis Models for Determining the Effective Properties of Out-of-Autoclave Carbon Fiber–Epoxy Composites." Polymers 16, no. 8 (2024): 1094. http://dx.doi.org/10.3390/polym16081094.

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This study aims to critically assess different micromechanical analysis models applied to carbon-fiber-reinforced plastic (CFRP) composites, employing micromechanics-based homogenization to accurately predict their effective properties. The paper begins with the simplest Voigt and Reuss models and progresses to more sophisticated micromechanics-based models, including the Mori–Tanaka and Method of Cells (MOC) models. It provides a critical review of the areas in which these micromechanics-based models are effective and analyses of their limitations. The numerical analysis results were confirme

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3

Ovid'ko, I. A. "Micromechanics of fracturing in nanoceramics." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 373, no. 2038 (2015): 20140129. http://dx.doi.org/10.1098/rsta.2014.0129.

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An overview of key experimental data and theoretical representations on fracture processes in nanoceramics is presented. The focuses are placed on crack growth in nanoceramics and their toughening micromechanics. Conventional toughening micromechanisms are discussed which effectively operate in both microcrystalline-matrix ceramics containing nanoinclusions and nanocrystalline-matrix ceramics. Particular attention is devoted to description of special (new) toughening micromechanisms related to nanoscale deformation occurring near crack tips in nanocrystalline-matrix ceramics. In addition, a ne

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4

Sertse, Hamsasew M., Johnathan Goodsell, Andrew J. Ritchey, R. Byron Pipes, and Wenbin Yu. "Challenge problems for the benchmarking of micromechanics analysis: Level I initial results." Journal of Composite Materials 52, no. 1 (2017): 61–80. http://dx.doi.org/10.1177/0021998317702437.

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Because of composite materials’ inherent heterogeneity, the field of micromechanics provides essential tools for understanding and analyzing composite materials and structures. Micromechanics serves two purposes: homogenization or prediction of effective properties and dehomogenization or recovery of local fields in the original heterogeneous microstructure. Many micromechanical tools have been developed and codified, including commercially available software packages that offer micromechanical analyses as stand-alone tools or as part of an analysis chain. With the increasing number of tools a

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5

Jones, Christopher A. R., Matthew Cibula, Jingchen Feng, et al. "Micromechanics of cellularized biopolymer networks." Proceedings of the National Academy of Sciences 112, no. 37 (2015): E5117—E5122. http://dx.doi.org/10.1073/pnas.1509663112.

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Collagen gels are widely used in experiments on cell mechanics because they mimic the extracellular matrix in physiological conditions. Collagen gels are often characterized by their bulk rheology; however, variations in the collagen fiber microstructure and cell adhesion forces cause the mechanical properties to be inhomogeneous at the cellular scale. We study the mechanics of type I collagen on the scale of tens to hundreds of microns by using holographic optical tweezers to apply pN forces to microparticles embedded in the collagen fiber network. We find that in response to optical forces,

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6

Brighenti, Roberto, Federico Artoni, and Mattia Pancrazio Cosma. "Viscous and Failure Mechanisms in Polymer Networks: A Theoretical Micromechanical Approach." Materials 12, no. 10 (2019): 1576. http://dx.doi.org/10.3390/ma12101576.

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Polymeric materials typically present a complex response to mechanical actions; in fact, their behavior is often characterized by viscous time-dependent phenomena due to the network rearrangement and damage induced by chains’ bond scission, chains sliding, chains uncoiling, etc. A simple yet reliable model—possibly formulated on the basis of few physically-based parameters—accounting for the main micro-scale micromechanisms taking place in such a class of materials is required to properly describe their response. In the present paper, we propose a theoretical micromechanical approach rooted in

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7

Takahashi, Kiyoshi. "Micromechanics." Kobunshi 36, no. 10 (1987): 726–29. http://dx.doi.org/10.1295/kobunshi.36.726.

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8

Ortiz, M. "Computational micromechanics." Computational Mechanics 18, no. 5 (1996): 321–38. http://dx.doi.org/10.1007/bf00376129.

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9

Ortiz, M. "Computational micromechanics." Computational Mechanics 18, no. 5 (1996): 321–38. http://dx.doi.org/10.1007/s004660050151.

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10

Lindroos, Matti, Anssi Laukkanen, and Tom Andersson. "Micromechanical modeling of polycrystalline high manganese austenitic steel subjected to abrasive contact." Friction 8, no. 3 (2019): 626–42. http://dx.doi.org/10.1007/s40544-019-0315-1.

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AbstractThis study focuses on microstructural and micromechanical modeling of abrasive sliding contacts of wear-resistant Hadfield steel. 3D finite element representation of the microstructure was employed with a crystal plasticity model including dislocation slip, deformation twinning, and their interactions. The results showed that deformation twinning interacting with dislocations had a key role in the surface hardening of the material, and it was also important for the early hardening process of the sub-surface grains beyond the heavily distorted surface grains. The effects of grain orient

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11

Biscani, Fabio, Yao Koutsawa, Salim Belouettar, and Erasmo Carrera. "Effective Properties of Electro-Elastic Composites with Multi-Coating Inhomogeneities." Advanced Materials Research 93-94 (January 2010): 190–93. http://dx.doi.org/10.4028/www.scientific.net/amr.93-94.190.

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This work presents a micromechanics-based model to investigate the effective thermo-electric properties of piezoelectric composite materials. The effective thermo-electric properties are derived by considering a multi-coated ellipsoidal inhomogeneity embedded in a host material in the framework of the generalized self-consistent method (GSCM). An incremental scheme, in which the reinforcements are incrementally put in the host material, is implemented. The validation of the micromechanical model is performed with experimental data. The model proposed has a wide range of applications and can be

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12

Koudelková, Veronika, Tereza Sajdlová, and Jiří Němeček. "Micromechanical Homogenization of Ultra-High Performance Concrete." Applied Mechanics and Materials 821 (January 2016): 518–25. http://dx.doi.org/10.4028/www.scientific.net/amm.821.518.

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Mechanical properties and durability of Ultra-High Performance Concretes (UHPC) are closely associated with composition and microstructure of tested samples. In this work, determination of effective elastic properties of UHPC composite was performed for a representative volume element using combination of microstructural investigations (scanning electron microscope imaging, image analysis of back scattered electron micrographs and nanoindentation) and analytical methods of micromechanics. Based on the volumetric content and micromechanical behavior of individual components an effective elastic

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13

Yan, Shirong, Binglei Wang, Yu Sun, and Boning Lyu. "Micromechanics-Based Prediction Models and Experimental Validation on Elastic Modulus of Recycled Aggregate Concrete." Sustainability 13, no. 20 (2021): 11172. http://dx.doi.org/10.3390/su132011172.

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Elastic modulus is one of the most important mechanical properties of concrete (including recycled aggregate concrete), and it has a notable guiding significance for engineering. There is a lack of micromechanical research on the elastic modulus of recycled aggregate concrete. This paper adopts four models based on micromechanics, including the Voigt model, Reuss model, Eshelby method, and Mori–Tanaka method, to predict the elastic modulus of recycled aggregate concrete. The optimal model is determined by comparing the results of the four models with the experimental data. On this basis, some

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14

Pinho, S. T., R. Gutkin, S. Pimenta, N. V. De Carvalho, and P. Robinson. "On longitudinal compressive failure of carbon-fibre-reinforced polymer: from unidirectional to woven, and from virgin to recycled." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 370, no. 1965 (2012): 1871–95. http://dx.doi.org/10.1098/rsta.2011.0429.

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Modelling the longitudinal compressive failure of carbon-fibre-reinforced composites has been attempted for decades. Despite many developments, no single model has surfaced to provide simultaneously a definitive explanation for the micromechanics of failure as well as validated predictions for a generic stress state. This paper explores the reasons for this, by presenting experimental data (including scanning electron microscopic observations of loaded kink bands during propagation, and brittle shear fracture at 45 ° to the fibres) and reviewing previously proposed micromechanical analytical a

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15

You, Zhanping, and Qingli Dai. "Review of advances in micromechanical modeling of aggregate–aggregate interactions in asphalt mixtures." Canadian Journal of Civil Engineering 34, no. 2 (2007): 239–52. http://dx.doi.org/10.1139/l06-113.

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This paper presents a comprehensive review of the work done by a number of researchers on the modeling of asphalt mixture. Included are some of the earliest models such as those with non-interacting particles (models with and without geometry specified), models with particle interaction, and some new models developed in recent years. The paper focuses on the description and comparison of the most recently developed finite element network model (FENM), a clustered discrete element model (DEM), and a micromechanical finite element model (FEM) used in micromechanical modeling of asphalt mixture.

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16

Araki, S., and K. Saito. "Micromechanics of Stiffness Damage in Ceramic-Based Fiber-Reinforced Composites." International Journal of Damage Mechanics 11, no. 3 (2002): 205–22. http://dx.doi.org/10.1106/105678902026410.

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The micromechanical analysis is performed to elucidate the stiffness reduction damage in the ceramic/ceramic composite whose matrix rupture strain is smaller than that of fibers. It is assumed that damage mechanism in the composite consists mainly of crack bridging fiber and interfacial sliding between the matrix and fibers. Energy release rate for a matrix crack and energy dissipation by the interfacial sliding was formulated by means of the inclusion modeling in micromechanics. Macroscopic stiffness at the given applied stress was derived in terms of the current lengths of matrix cracks. Fin

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17

Zaoui, André. "Continuum Micromechanics: Survey." Journal of Engineering Mechanics 128, no. 8 (2002): 808–16. http://dx.doi.org/10.1061/(asce)0733-9399(2002)128:8(808).

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18

Giovine, Pasquale. "Extended granular micromechanics." EPJ Web of Conferences 140 (2017): 11009. http://dx.doi.org/10.1051/epjconf/201714011009.

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19

Ni, Guangjian, Jia Pang, Qi Zheng, et al. "Modeling cochlear micromechanics." Journal of Bio-X Research 2, no. 2 (2019): 68–73. http://dx.doi.org/10.1097/jbr.0000000000000034.

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20

Suo, Zhigang, Joost Vlassak, and Sigurd Wagner. "Micromechanics of macroelectronics." China Particuology 3, no. 6 (2005): 321–28. http://dx.doi.org/10.1016/s1672-2515(07)60210-3.

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21

Raiteri, Roberto, Massimo Grattarola, and Rüdiger Berger. "Micromechanics senses biomolecules." Materials Today 5, no. 1 (2002): 22–29. http://dx.doi.org/10.1016/s1369-7021(02)05139-8.

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22

Svoboda, Ladislav, Stanislav Šulc, Tomáš Janda, Jan Vorel та Jan Novák. "μMech micromechanics library". Advances in Engineering Software 100 (жовтень 2016): 148–60. http://dx.doi.org/10.1016/j.advengsoft.2016.07.010.

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23

Whitehouse, D. J. "Micromechanics in systems." Mechatronics 1, no. 4 (1991): 427–37. http://dx.doi.org/10.1016/0957-4158(91)90028-9.

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24

Michler, Goerg H. "Micromechanics of polymers." Journal of Macromolecular Science, Part B 38, no. 5-6 (1999): 787–802. http://dx.doi.org/10.1080/00222349908248139.

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25

Karki, Pravat, Yong-Rak Kim, and Dallas N. Little. "Dynamic Modulus Prediction of Asphalt Concrete Mixtures through Computational Micromechanics." Transportation Research Record: Journal of the Transportation Research Board 2507, no. 1 (2015): 1–9. http://dx.doi.org/10.3141/2507-01.

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This paper presents a computational micromechanics modeling approach to predict the dynamic modulus of asphalt concrete mixtures. The modeling uses a finite element method combined with the micromechanical representative volume element (RVE) of mixtures and laboratory tests that characterize the properties of individual mixture constituents. The model treats asphalt concrete mixtures as heterogeneous with two primary phases: a linear viscoelastic fine aggregate matrix (FAM) phase and a linear elastic aggregate phase. The mechanical properties of each phase were experimentally obtained by condu

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26

Lucarini, S., M. V. Upadhyay, and J. Segurado. "FFT based approaches in micromechanics: fundamentals, methods and applications." Modelling and Simulation in Materials Science and Engineering 30, no. 2 (2021): 023002. http://dx.doi.org/10.1088/1361-651x/ac34e1.

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Abstract FFT methods have become a fundamental tool in computational micromechanics since they were first proposed in 1994 by Moulinec and Suquet for the homogenization of composites. Since then many different approaches have been proposed for a more accurate and efficient resolution of the non-linear homogenization problem. Furthermore, the method has been pushed beyond its original purpose and has been adapted to a variety of problems including conventional and strain gradient plasticity, continuum and discrete dislocation dynamics, multi-scale modeling or homogenization of coupled problems

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27

Lucarini, Sergio, Manas V. Upadhyay, and Javier Segurado. "FFT based approaches in micromechanics: fundamentals, methods and applications." Modelling and Simulation in Materials Science and Engineering 30, no. 2 (2021): 023002. https://doi.org/10.1088/1361-651X/ac34e1.

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FFT methods have become a fundamental tool in computational micromechanics since they were first proposed in 1994 by Moulinec and Suquet for the homogenization of composites. Since then many different approaches have been proposed for a more accurate and efficient resolution of the non-linear homogenization problem. Furthermore, the method has been pushed beyond its original purpose and has been adapted to a variety of problems including conventional and strain gradient plasticity, continuum and discrete dislocation dynamics, multi-scale modeling or homogenization of coupled problems such as f

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28

Zhang, H., J. Woody Ju, WL Zhu, and KY Yuan. "A micromechanical model of elastic-damage properties of innovative pothole patching materials featuring high-toughness, low-viscosity nanomolecular resin." International Journal of Damage Mechanics 30, no. 9 (2021): 1327–50. http://dx.doi.org/10.1177/10567895211000089.

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Innovative pothole patching materials reinforced with a high-toughness, low-viscosity nanomolecular resin, dicyclopentadiene (DCPD, C10H12), have been experimentally proven to be effective in repairing cracked asphalt pavements and can significantly enhance their durability and service life. In this paper, a three-dimensional micromechanical framework is proposed based on the micromechanics and continuum damage mechanics to predict the effective elastic-damage behaviors of this innovative pothole patching material under the splitting tension test (ASTM D6931). In this micromechanical model, ir

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29

Huber, J. E. "Micromechanical modeling of ferroelectric films." Journal of Materials Research 21, no. 3 (2006): 557–62. http://dx.doi.org/10.1557/jmr.2006.0082.

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Ferroelectric films are growing in significance as non-volatile memory devices, sensors, and microactuators. The stress state of the film, induced by processing or constraints such as the substrate, strongly affects device behavior. Thus, it is important to be able to model the coupled and constrained behavior of film material. This work presents a preliminary study of the application of micromechanical modeling to ferroelectric films. A self-consistent micromechanics model developed for bulk ferroelectrics is adapted for thin film behavior by incorporating several features of the microstructu

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30

Chen, Qing, Zhengwu Jiang, Hehua Zhu, J. Woody Ju, Zhiguo Yan, and Yaqiong Wang. "An Improved Micromechanical Framework for Saturated Concrete Repaired by the Electrochemical Deposition Method considering the Imperfect Bonding." Journal of Engineering 2016 (2016): 1–11. http://dx.doi.org/10.1155/2016/1894027.

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The interfaces between the deposition products and concrete are not always well bonded when the electrochemical deposition method (EDM) is adopted to repair the deteriorated concrete. To theoretically illustrate the deposition healing process by micromechanics for saturated concrete considering the imperfect interfaces, an improved micromechanical framework with interfacial transition zone (ITZ) is proposed based on our recent studies. In this extension, the imperfect bonding is characterized by the ITZ, whose effects are calculated by modifying the generalized self-consistent model. Meanwhile

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31

Yu, Wenbin. "An Introduction to Micromechanics." Applied Mechanics and Materials 828 (March 2016): 3–24. http://dx.doi.org/10.4028/www.scientific.net/amm.828.3.

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This article provides a brief introduction to micromechanics using linear elastic materials as an example. The fundamental micromechanics concepts including homogenization and dehomogenization, representative volume element (RVE), unit cell, average stress and strain theories, effective stiffness and compliance, Hill-Mandel macrohomogeneity condition. This chapter also describes the detailed derivations of the rules of mixtures, and three full field micromechanics theories including finite element analysis of a representative volume element (RVE analysis), mathematical homogenization theory (M

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32

Wang, Guannan, Qiang Chen, Mengyuan Gao, Bo Yang, and David Hui. "Generalized locally-exact homogenization theory for evaluation of electric conductivity and resistance of multiphase materials." Nanotechnology Reviews 9, no. 1 (2020): 1–16. http://dx.doi.org/10.1515/ntrev-2020-0001.

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AbstractThe locally-exact homogenization theory is further extended to investigate the homogenized and localized electric behavior of unidirectional composite and porous materials. Distinct from the classical and numerical micromechanics models, the present technique is advantageous by developing exact analytical solutions of repeating unit cells (RUC) with hexagonal and rhomboid geometries that satisfy the internal governing equations and fiber/matrix interfacial continuities in a point-wise manner. A balanced variational principle is proposed to impose the periodic boundary conditions on mir

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Antin, Kim-Niklas, Anssi Laukkanen, Tom Andersson, Danny Smyl, and Pedro Vilaça. "A Multiscale Modelling Approach for Estimating the Effect of Defects in Unidirectional Carbon Fiber Reinforced Polymer Composites." Materials 12, no. 12 (2019): 1885. http://dx.doi.org/10.3390/ma12121885.

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A multiscale modelling approach was developed in order to estimate the effect of defects on the strength of unidirectional carbon fiber composites. The work encompasses a micromechanics approach, where the known reinforcement and matrix properties are experimentally verified and a 3D finite element model is meshed directly from micrographs. Boundary conditions for loading the micromechanical model are derived from macroscale finite element simulations of the component in question. Using a microscale model based on the actual microstructure, material parameters and load case allows realistic es

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Hou, Yueqin, Yun Chen, Haiwei Zou, et al. "Investigation of Surface Micro-Mechanical Properties of Various Asphalt Binders Using AFM." Materials 15, no. 12 (2022): 4358. http://dx.doi.org/10.3390/ma15124358.

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The microstructure of asphalt affects the micro-mechanical properties. In this study, atomic force microscopy (AFM) was used to investigate the surface elastic modulus and nanohardness of asphalt binder. Relevant mechanical indexes were quantitatively evaluated by contact mechanical model. Five types of asphalts, including different grades, oil sources, and before and after modification, were selected as test objects, and the effects of asphalt binder type, aging, water, and anti-stripping agent on the asphalt micromechanics were explored. The results showed that the micromechanical properties

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35

Mamache, Fateh Enouar, Amar Mesbah, Fahmi Zaïri та Iurii Vozniak. "A Coupled Electro-Mechanical Homogenization-Based Model for PVDF-Based Piezo-Composites Considering α → β Phase Transition and Interfacial Damage". Polymers 15, № 14 (2023): 2994. http://dx.doi.org/10.3390/polym15142994.

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Polyvinylidene fluoride or polyvinylidene difluoride (PVDF) is a piezoelectric semi-crystalline polymer whose electro-mechanical properties may be modulated via strain-induced α → β phase transition and the incorporation of polarized inorganic particles. The present work focuses on the constitutive representation of PVDF-based piezo-composites developed within the continuum-based micromechanical framework and considering the combined effects of particle reinforcement, α → β phase transition, and debonding along the interface between the PVDF matrix and the particles under increasing deformatio

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Luo, Yunhua. "An Accuracy Comparison of Micromechanics Models of Particulate Composites against Microstructure-Free Finite Element Modeling." Materials 15, no. 11 (2022): 4021. http://dx.doi.org/10.3390/ma15114021.

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Micromechanics models of composite materials are preferred in the analysis and design of composites for their high computational efficiency. However, the accuracy of the micromechanics models varies widely, depending on the volume fraction of inclusions and the contrast of phase properties, which have not been thoroughly studied, primarily due to the lack of complete and representative experimental data. The recently developed microstructure-free finite element modeling (MF-FEM) is based on the fact that, for a particulate-reinforced composite, if the characteristic size of the inclusions is m

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Luo, Yunhua. "An Accuracy Comparison of Micromechanics Models of Particulate Composites against Microstructure-Free Finite Element Modeling." Materials 15, no. 11 (2022): 4021. http://dx.doi.org/10.3390/ma15114021.

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Micromechanics models of composite materials are preferred in the analysis and design of composites for their high computational efficiency. However, the accuracy of the micromechanics models varies widely, depending on the volume fraction of inclusions and the contrast of phase properties, which have not been thoroughly studied, primarily due to the lack of complete and representative experimental data. The recently developed microstructure-free finite element modeling (MF-FEM) is based on the fact that, for a particulate-reinforced composite, if the characteristic size of the inclusions is m

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Garnich, M. R., and A. C. Hansen. "A Multicontinuum Approach to Structural Analysis of Linear Viscoelastic Composite Materials." Journal of Applied Mechanics 64, no. 4 (1997): 795–803. http://dx.doi.org/10.1115/1.2788984.

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A “multicontinuum” approach to structural analyses of composites is described. A continuum field is defined to represent each constituent material along with the traditional continuum field associated with the composite. Finite element micromechanics is used to establish relationships between composite and constituent field variables. These relationships uncouple the micromechanics from structural solutions and render an efficient means of extracting constituent information during the course of a finite element structural analysis. Equations are developed for the case of a linear elastic reinf

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Sierra Beltran, M. G., and Erik Schlangen. "Wood Fibre Reinforced Cement Matrix: A Micromechanical Based Approach." Key Engineering Materials 385-387 (July 2008): 445–48. http://dx.doi.org/10.4028/www.scientific.net/kem.385-387.445.

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In this paper a micromechanics-based design is proposed for the development of a material with enhanced ductility and flexural strength combined with low production cost. The composite performance is described by 11 micromechanical properties of the system consisting of cement matrix, fibres and fibre-matrix interface. Most of these properties are defined through laboratory tests. A strain-hardening behaviour with multiple microcracks prior to failure is is the goal for the composite with enhanced ductility. The amount and size of the fibres needed for bridging the microcracks as well as the c

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40

Schott, Walter. "Developments in Homodyne Interferometry." Key Engineering Materials 437 (May 2010): 84–88. http://dx.doi.org/10.4028/www.scientific.net/kem.437.84.

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The trend in many fields of enabling technologies, such as microelectronics, communications, microsystems, and micromechanics, toward imposing increasingly stringent demands upon precision continues. Those types of technologies allow creating micromechanical components having dimensions of a few micrometers that have to be accurately measured, positioned relative to one another, and assembled. In that conjunction, laser-interferometric metrology provides unique opportunities that combine measurements over large ranges at extraordinarily fine resolutions with traceability of measurement results

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Rosca, Victoria Elena, Nicolae Ţăranu, Liliana Bejan, and Andrei Octav Axinte. "Element Free Galerkin Formulation for Problems in Composite Micromechanics." Applied Mechanics and Materials 809-810 (November 2015): 896–901. http://dx.doi.org/10.4028/www.scientific.net/amm.809-810.896.

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The heterogeneity and anisotropy of structural composites make the application of the standard mesh-based methods using the meshing of interfacial region between matrix and fibers a difficult task. The objective of this study is to present the EFG formulation for problems of composite micromechanics. It is expected that the tediousness and approximations involved in mesh generation, and hence inaccuracies in the results can be avoided using the new meshless techniques such as the Element Free Galerkin (EFG) method. The theoretical methodologies, computer implementations and practical applicati

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Zhang, Yingmin, Guang Yang, Dongxu Liu, Wenwu Chen, and Lizhi Sun. "Micromechanics and Ultrasonic Propagation in Consolidated Earthen-Site Soils." Materials 16, no. 22 (2023): 7117. http://dx.doi.org/10.3390/ma16227117.

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Although nondestructive ultrasonic technologies have been applied in laboratory and field tests in the field of heritage conservation, few studies have quantified the relationship among the real microstructures, micromechanical properties, and macroscopic acoustic responses of earthen-site soils. This paper develops a micromechanics-based multiscale model for quantitatively exploring the ultrasonic propagation characteristics of elastic waves in untreated and consolidated earthen-site soils. Scanning electron microscope images and image processing technology are integrated into the finite-elem

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Choudhry, RS, Kamran A. Khan, Sohaib Z. Khan, Muhammad A. Khan, and Abid Hassan. "Micromechanical modeling of 8-harness satin weave glass fiber-reinforced composites." Journal of Composite Materials 51, no. 5 (2016): 705–20. http://dx.doi.org/10.1177/0021998316649782.

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This study introduces a unit cell-based finite element micromechanical model that accounts for correct post cure fabric geometry, in situ material properties and void content within the composite to accurately predict the effective elastic orthotropic properties of 8-harness satin weave glass fiber-reinforced phenolic composites. The micromechanical model utilizes a correct post cure internal architecture of weave, which was obtained through X-ray microtomography tests. Moreover, it utilizes an analytical expression to update the input material properties to account for in situ effects of resi

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Wang, Guannan, Wenqiong Tu, and Qiang Chen. "Characterization of Interphase/Interface Parameters of Unidirectional Fibrous Composites by Optimization-Based Inverse Homogenization." International Journal of Applied Mechanics 11, no. 08 (2019): 1950074. http://dx.doi.org/10.1142/s1758825119500741.

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Optimization-based micromechanical and inverse-homogenization models are developed to inversely calculate the interphase/interface properties of unidirectional periodic fibrous composites from prescribed effective properties or localized stress concentrations. The interphase/interface effects between fibers and the surrounding matrix are described by four different mathematical models that are reviewed in the present work. In order to guarantee the stability of the characterization process, two sophisticated micromechanical models, locally exact homogenization theory and finite-volume direct a

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Seyedkavoosi, S., and I. Sevostianov. "Micromechanics of Dentin: Review." Reviews on advanced materials and technologies 1, no. 1 (2019): 1–26. http://dx.doi.org/10.17586/2687-0568-2019-1-1-1-26.

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MINAGAWA, Sitiro. "Recent developments in micromechanics." Journal of the Japan Society for Precision Engineering 54, no. 6 (1988): 1012–16. http://dx.doi.org/10.2493/jjspe.54.1012.

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KOBAYASHI, Hideo. "Micromechanics of crack growth." Journal of the Japan Society for Precision Engineering 54, no. 6 (1988): 1035–39. http://dx.doi.org/10.2493/jjspe.54.1035.

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Mori, Tsutomu. "Micromechanics I ～Basic Discussion～." Materia Japan 55, no. 9 (2016): 416–20. http://dx.doi.org/10.2320/materia.55.416.

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Hu, Geng Kai, and Zhu Ping Huang. "Micromechanics of Nonlinear Composites." Key Engineering Materials 274-276 (October 2004): 35–42. http://dx.doi.org/10.4028/www.scientific.net/kem.274-276.35.

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Mori, T. "Mechanical Metallurgy and Micromechanics." Materials Transactions, JIM 41, no. 4 (2000): 463–69. http://dx.doi.org/10.2320/matertrans1989.41.463.

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