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Topology optimization based on reduction methods with applications to multiscale design and additive

Emmanuel TROMME, Atsushi KAWAMOTO, James K. GUEST

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 1,   Pages 151-165 doi: 10.1007/s11465-019-0564-8

Abstract: Topology optimization is an ideal tool for navigating this multiscale design problem and leveraging the

Keywords： multiscale topology optimization     micro-structure     additive manufacturing     reduction techniques     substructuring    

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Special Column on Multiscale Stochastic Finite Element Method

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 105-106 doi: 10.1007/s11709-015-0297-7

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A multiscale material model for heterogeneous liquid droplets in solid soft composites

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1292-1299 doi: 10.1007/s11709-021-0771-3

Abstract: research revisits the available models for liquid droplets in solid soft composites and presents a multiscale

Keywords： liquid in solid     soft composite     computational modeling     multiscale model     heterogeneity    

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A multiscale-contour-based interpolation framework for generating a time-varying quasi-dense point cloud

Chu-hua HUANG,Dong-ming LU,Chang-yu DIAO

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 5,   Pages 422-434 doi: 10.1631/FITEE.1500316

Abstract: ordinary hardware platform, we propose an efficient framework to reconstruct 3D dynamic objects using a multiscale-contour-based

Keywords： Multi-view video     Free-viewpoint video     Point-pair     Multiscale-contour-based interpolation     Spatio-temporal-contour    

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Connected morphable components-based multiscale topology optimization

Jiadong DENG, Claus B. W. PEDERSEN, Wei CHEN

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 2,   Pages 129-140 doi: 10.1007/s11465-019-0532-3

Abstract: techniques, such as additive manufacturing, have provided unprecedented opportunities for producing multiscaleHowever, there are still difficulties for the state-of-the-art multiscale topology optimization (TO)methods to achieve manufacturable multiscale designs with cellular materials, partially due to the disconnectivitypaper attempts to address the disconnectivity issue by extending component-based TO methodology to multiscaleNumerical examples demonstrate that multiscale structures with well-connected material microstructures

Keywords： multiscale topology optimization     morphable component     material microstructure     homogenization    

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Multiscale computation on feedforward neural network and recurrent neural network

Bin LI, Xiaoying ZHUANG

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1285-1298 doi: 10.1007/s11709-020-0691-7

Abstract: Among existing methods for homogenization, computational homogenization is widely used in multiscaleThe neural networks can be used to construct fully decoupled approaches in nonlinear multiscale methodsComputational homogenization methods for nonlinear material and implementation of offline multiscaleThis article intends to model the multiscale constitution using feedforward neural network (FNN) andApplications to two-dimensional multiscale analysis are tested and discussed in detail.

Keywords： multiscale method     constitutive model     feedforward neural network     recurrent neural network    

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Multiscale mechanical modeling of hydrated cement paste under tensile load using the combined DEM-MD

Yue HOU, Linbing WANG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 270-278 doi: 10.1007/s11709-017-0408-8

Abstract: A three-dimensional (3D) multiscale mechanical model is established using the combined Discrete Element

Keywords： hydrated cement paste     multiscale     MD simulation     DEM    

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A Multiscale Understanding of the Thermodynamic and Kinetic Mechanisms of Laser Additive Manufacturing

Dongdong Gu, Chenglong Ma, Mujian Xia, Donghua Dai, Qimin Shi

Engineering 2017, Volume 3, Issue 5,   Pages 675-684 doi: 10.1016/J.ENG.2017.05.011

Abstract: This paper provides multiscale modeling and coordinated control for the SLM of metallic materials includingMultiscale numerical simulation and experimental verification methods are beneficial in monitoring the

Keywords： Additive manufacturing     Selective laser melting     Multiscale modeling     Thermodynamics     Kinetics    

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Multiscale stochastic finite element method on random field modeling of geotechnical problems – a fast

Xi F. XU

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 107-113 doi: 10.1007/s11709-014-0268-4

Abstract: The Green-function-based multiscale stochastic finite element method (MSFEM) has been formulated based

Keywords： multiscale     finite element     settlement     perturbation     random field     geotechnical    

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Multiscale model of micro curing residual stress evolution in carbon fiber-reinforced thermoset polymer

Xinyu HUI, Yingjie XU, Weihong ZHANG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 3,   Pages 475-483 doi: 10.1007/s11465-020-0590-6

Abstract: residual stresses of carbon fiber-reinforced thermoset polymer (CFRP) composites are evaluated using a multiscale

Keywords： CFRP     curing residual stress     multiscale modeling     finite element method    

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Intelligent Intercommunicating Multiscale Engineering: The Engineering of the Future

Yue Yuan, Jesse Zhu

Engineering 2023, Volume 30, Issue 11,   Pages 13-19 doi: 10.1016/j.eng.2023.03.021

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Multiscale Homogenization Analysis of Alkali–Silica Reaction (ASR) Effect in Concrete Article

Roozbeh Rezakhani, Mohammed Alnaggar, Gianluca Cusatis

Engineering 2019, Volume 5, Issue 6,   Pages 1139-1154 doi: 10.1016/j.eng.2019.02.007

Abstract: In the present work, a recently developed multiscale homogenization framework is employed to simulatecompression and four-point bending beams is evaluated by both the mesoscale model and the proposed multiscale

Keywords： Multiscale homogenization     Representative volume element     Alkali–silica reaction     Lattice discrete particle    

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Multiscale process systems engineering—analysis and design of chemical and energy systems from molecular

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 2,   Pages 137-140 doi: 10.1007/s11705-021-2135-x

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Applications of dynamical complexity theory in traditional Chinese medicine

Yan Ma,Shuchen Sun,Chung-Kang Peng

Frontiers of Medicine 2014, Volume 8, Issue 3,   Pages 279-284 doi: 10.1007/s11684-014-0367-6

Abstract: The dynamical complexity theory recently proposed and its computational algorithm, Multiscale Entropy

Keywords： traditional Chinese medicine     Multiscale Entropy     dynamical complexity     system level     applications    

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Visualization of force networks in 2D dense granular materials

Jianguo LIU, Qicheng SUN, Feng JIN,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1,   Pages 109-115 doi: 10.1007/s11709-010-0003-8

Abstract: Dense granular matter is a conglomeration of discrete solid and closely packed particles. As subjected to external loadings, the stress is largely transmitted by heavily stressed chains of particles forming a sparse network of larger contact forces. To understand the structure and evolution of force chains, a photoelastic technique was improved for determining stresses and strains in the assemblies of photoelastic granular disks in this paper. A two-dimensional vertical slab was designed. It contains 7200 polydispersed photoelastic disks and is subjected to a localized probe penetrating at the top of the slab to mimic the cone penetration test. The interparticle contact force distribution was found a peak around the mean value, a roughly exponential tail for greater force and a dip toward zero for smaller force. The force chain network around the probe tip was depicted, and the contact angle distribution of particles in force chains was found to be well aligned in the directions of major principal stress.

Keywords： granular matter     force chain     multiscale modeling    

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Title Author Date Type Operation

Topology optimization based on reduction methods with applications to multiscale design and additive

Emmanuel TROMME, Atsushi KAWAMOTO, James K. GUEST

Journal Article

Special Column on Multiscale Stochastic Finite Element Method

Journal Article

A multiscale material model for heterogeneous liquid droplets in solid soft composites

Journal Article

A multiscale-contour-based interpolation framework for generating a time-varying quasi-dense point cloud

Chu-hua HUANG,Dong-ming LU,Chang-yu DIAO

Journal Article

Connected morphable components-based multiscale topology optimization

Jiadong DENG, Claus B. W. PEDERSEN, Wei CHEN

Journal Article

Multiscale computation on feedforward neural network and recurrent neural network

Bin LI, Xiaoying ZHUANG

Journal Article

Multiscale mechanical modeling of hydrated cement paste under tensile load using the combined DEM-MD

Yue HOU, Linbing WANG

Journal Article

A Multiscale Understanding of the Thermodynamic and Kinetic Mechanisms of Laser Additive Manufacturing

Dongdong Gu, Chenglong Ma, Mujian Xia, Donghua Dai, Qimin Shi

Journal Article

Multiscale stochastic finite element method on random field modeling of geotechnical problems – a fast

Xi F. XU

Journal Article

Multiscale model of micro curing residual stress evolution in carbon fiber-reinforced thermoset polymer

Xinyu HUI, Yingjie XU, Weihong ZHANG

Journal Article

Intelligent Intercommunicating Multiscale Engineering: The Engineering of the Future

Yue Yuan, Jesse Zhu

Journal Article

Multiscale Homogenization Analysis of Alkali–Silica Reaction (ASR) Effect in Concrete

Roozbeh Rezakhani, Mohammed Alnaggar, Gianluca Cusatis

Journal Article

Multiscale process systems engineering—analysis and design of chemical and energy systems from molecular

Journal Article

Applications of dynamical complexity theory in traditional Chinese medicine

Yan Ma,Shuchen Sun,Chung-Kang Peng

Journal Article

Visualization of force networks in 2D dense granular materials

Jianguo LIU, Qicheng SUN, Feng JIN,

Journal Article