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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 multiscalecomputational material model to determine their elastic moduli, considering nearly all relevant uncertaintiesresults clearly indicate both softening and stiffening effects of liquid droplets and show that the model

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

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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 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 multiscaleA thermochemical coupling model is developed at the macroscale level to obtain the distributions of temperatureMeanwhile, a representative volume element model of the composites is established at the microscale levelinformation from the macroscale perspective, the curing residual stresses are calculated using the microscale model

Keywords： CFRP     curing residual stress     multiscale modeling     finite element method    

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Development of a hydrodynamic model and the corresponding virtual software for dual-loop circulating

Shanwei Hu, Xinhua Liu

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 3,   Pages 579-590 doi: 10.1007/s11705-020-1953-6

Abstract: Modeling the gas-solid CFB system requires a quantitative description of the multiscale heterogeneityproposed a general method for modeling multi-loop CFB systems by utilizing the energy minimization multiscaleA full-loop modeling scheme was implemented by using the EMMS model and/or its extension models to compute

Keywords： multi-loop circulating fluidized bed     mathematical modeling     energy minimization multiscale     virtual fluidization    

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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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Computational model generation and RVE design of self-healing concrete

Md. Shahriar QUAYUM,Xiaoying ZHUANG,Timon RABCZUK

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 4,   Pages 383-396 doi: 10.1007/s11709-015-0320-z

Abstract: Computational homogenization is a versatile tool that can extract effective properties of heterogeneous or composite material through averaging technique. Self-healing concrete (SHC) is a heterogeneous material which has different constituents as cement matrix, sand and healing agent carrying capsules. Computational homogenization tool is applied in this paper to evaluate the effective properties of self-healing concrete. With this technique, macro and micro scales are bridged together which forms the basis for multi-scale modeling. Representative volume element (RVE) is a small (microscopic) cell which contains all the microphases of the microstructure. This paper presents a technique for RVE design of SHC and shows the influence of volume fractions of different constituents, RVE size and mesh uniformity on the homogenization results.

Keywords： homogenization     self-healing concrete (SHC)     representative volume element     multiscale modelling    

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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 this study, ASR damage in concrete is considered within the lattice discrete particle model (LDPM), a mesoscale mechanical model that simulates concrete at the scale of the coarse aggregate pieces.In the present work, a recently developed multiscale homogenization framework is employed to simulatethe macroscale effects of ASR, while ASR-LDPM is utilized as the mesoscale model.and the proposed multiscale approach in order to analyze the accuracy and computational efficiency of

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

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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-basedexploits the property to interpolate single contours, two neighboring contours which belong to the same modeltwo contours which belong to the same view at different times, corresponding to point-, contour-, and model-level

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

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Impact of energy structure adjustment on air quality: a case study in Beijing, China

Bin ZHAO, Jiayu XU, Jiming HAO

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 3,   Pages 378-390 doi: 10.1007/s11783-011-0357-8

Abstract: inventories, and utilized the Mesoscale Modeling System Generation 5 (MM5) and the Models-3/Community MultiscaleAir Quality Model (CMAQ) to evaluate the impact of these measures on air quality.

Keywords： Beijing     energy structure adjustment     air quality     Community Multiscale Air Quality Model (CMAQ)     scenario    

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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 analysis-based peridynamic simulation of fracture in porous media

Frontiers of Structural and Civil Engineering 2024, Volume 18, Issue 1,   Pages 1-13 doi: 10.1007/s11709-024-1043-9

Abstract: Current techniques either assume a homogeneous model, disregarding the microstructure characteristics, or adopt a micro-mechanical model, which incurs an intractable computational cost due to its complexstochastic geometry and physical properties, as well as its nonlinear and multiscale features.In this study, we propose a multiscale analysis-based dual-variable-horizon peridynamics (PD) model toThe equivalent critical stretch is calculated using the microscale PD model, while the equivalent micro-modulus

Keywords： porous media     multiscale     variable-horizon peridynamic     equivalent critical stretch     equivalent micro-modulus    

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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 ElementIn the 3D model, HCP consists of discrete particles and atoms.Simulation results show that the combined DEM-MD model is computationally efficient with good accuracy

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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Title Author Date Type Operation

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

Journal Article

Multiscale computation on feedforward neural network and recurrent neural network

Bin LI, Xiaoying ZHUANG

Journal Article

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

Xinyu HUI, Yingjie XU, Weihong ZHANG

Journal Article

Development of a hydrodynamic model and the corresponding virtual software for dual-loop circulating

Shanwei Hu, Xinhua Liu

Journal Article

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

Computational model generation and RVE design of self-healing concrete

Md. Shahriar QUAYUM,Xiaoying ZHUANG,Timon RABCZUK

Journal Article

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

Roozbeh Rezakhani, Mohammed Alnaggar, Gianluca Cusatis

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

Impact of energy structure adjustment on air quality: a case study in Beijing, China

Bin ZHAO, Jiayu XU, Jiming HAO

Journal Article

Connected morphable components-based multiscale topology optimization

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

Journal Article

Multiscale analysis-based peridynamic simulation of fracture in porous media

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