ELASTICITY

作品数:554被引量:836H指数:11
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相关领域:理学更多>>
相关作者:任伟秀蔡英毛海军孙庆鸿郁文凯更多>>
相关机构:北京大学清华大学河南大学山东胜利职业学院更多>>
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相关基金:国家自然科学基金国家重点基础研究发展计划国家教育部博士点基金中国博士后科学基金更多>>
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An Implicit Scheme for Moving Walls and Multi-Material Interfaces in Weakly Compressible Materials
《Communications in Computational Physics》2020年第1期116-144,共29页Emanuela Abbate Angelo Iollo Gabriella Puppo 
We propose a numerical method for the simulation of flows from weakly compressible to low Mach regimes in domains with moving boundaries.Non-miscible weakly compressible materials separated by an interface are include...
关键词:Multi-material interfaces moving boundaries low Mach regime Eulerian elasticity 
Local RBF Algorithms for Elliptic Boundary Value Problems in Annular Domains被引量:2
《Communications in Computational Physics》2019年第1期41-67,共27页C.S.Chen Andreas Karageorghis 
acknowledges HPC at The University of Southern Mississippi supported by the National Science Foundation under the Major Research Instrumentation(MRI)program via Grant#ACI 1626217.
A local radial basis function method(LRBF)is applied for the solution of boundary value problems in annular domains governed by the Poisson equation,the inhomogeneous biharmonic equation and the inhomogeneous Cauchy-N...
关键词:Radial basis functions Kansa method Poisson equation biharmonic equation Cauchy-Navier equations of elasticity matrix decomposition algorithms fast Fourier transforms 
A Coupled Immersed Interface and Level Set Method for Three-Dimensional Interfacial Flows with Insoluble Surfactant被引量:2
《Communications in Computational Physics》2014年第2期451-469,共19页Jian-Jun Xu Yunqing Huang Ming-Chih Lai Zhilin Li 
supports by Hunan Provincial Education Department(10C1264),Xiangtan Univ.(10QDZ45),and Hunan NSFC(10JJ70);supported in part by NSFC key project 11031006;supported in part by National Science Council of Taiwan under grant NSC98-2115-M-009-014-MY3 and NCTS.Z.Li was supported in part by the US ARO grant 550694-MA,the AFSOR grant FA9550-09-1-0520,the US NSF grant DMS-0911434,the NIH grant 096195-01,and CNSF11071123.
In this paper,a numerical method is presented for simulating the 3D interfacial flows with insoluble surfactant.The numerical scheme consists of a 3D immersed interface method(IIM)for solving Stokes equations with jum...
关键词:Multigrid method constrained Cauchy-Born elasticity NANOINDENTATION CauchyBorn rule. 
A Constrained Cauchy-Born Elasticity Accelerated Multigrid Method for Nanoindentation
《Communications in Computational Physics》2014年第2期470-486,共17页Jingrun Chen Pingbing Ming Jerry Zhijian Yang 
supported by National Science Foundation grant DMS-1217315;supported by National Natural Science Foundation of China under the grant 10932011,91230203 and by the funds for creative research group of China(Grant No.11021101);by the support of CAS National Center for Mathematics and Interdisciplinary Sciences;supported by National Natural Science Foundation of China under the grants 11001210 and 11171305 and 91230203.
We introduce a new multigrid method to study the lattice statics model arising from nanoindentation.A constrained Cauchy-Born elasticity model is used as the coarse-grid operator.This method accelerates the relaxation...
关键词:Multigrid method constrained Cauchy-Born elasticity NANOINDENTATION CauchyBorn rule. 
A Parallel Adaptive Treecode Algorithm for Evolution of Elastically Stressed Solids
《Communications in Computational Physics》2014年第2期365-387,共23页Hualong Feng Amlan Barua Shuwang Li Xiaofan Li 
supported by the NSF through Grant DMS-0923111,DMS-0914923;an Illinois Institute of Technology post-doctoral traveling allowance.
The evolution of precipitates in stressed solids is modeled by coupling a quasi-steady diffusion equation and a linear elasticity equation with dynamic boundary conditions.The governing equations are solved numericall...
关键词:Treecode PARALLEL ELASTICITY boundary integral method. 
An Efficient Rescaling Algorithm for Simulating the Evolution of Multiple Elastically Stressed Precipitates
《Communications in Computational Physics》2013年第9期940-959,共20页Amlan K.Barua Shuwang Li Hualong Feng Xiaofan Li John Lowengrub 
support from NSF grant DMS-0914923;Some computations in thisworkwere performed on computers acquired usingNSF grant(SCREMS)DMS-0923111.
In this paper,we propose a space-time rescaling scheme for computing the long time evolution of multiple precipitates in an elastically stressed medium.The algorithm is second order accurate in time,spectrally accurat...
关键词:DIFFUSION ELASTICITY DENDRITE side branching boundary integral method 
ANumericalMethod for Solving Elasticity Equations with Interfaces
《Communications in Computational Physics》2012年第7期595-612,共18页Songming Hou Zhilin Li Liqun Wang Wei Wang 
supported by Louisiana Board of Regents RCS Grant No.LEQSF(2008-11)-RD-A-18;The second author is partially supported by theAROgrants 56349MA MA,the AFSOR grant FA9550-09-1-0520;the NSF grant DMS-0911434,the NIH grant 096195-01 and CNFS 11071123.
Solving elasticity equationswith interfaces is a challenging problemformost existing methods.Nonetheless,it has wide applications in engineering and science.An accurate and efficient method is desired.In this paper,an...
关键词:Elasticity equations non-body fitted mesh finite element method jump condition 
A Spectral Iterative Method for the Computation of Effective Properties of Elastically Inhomogeneous Polycrystals
《Communications in Computational Physics》2012年第3期726-738,共13页Saswata Bhattacharyya Tae Wook Heo Kunok Chang Long-Qing Chen 
The authors would like to acknowledge the financial supports from the National Science Foundation under the grant number DMR-0710483.
We report an efficient phase field formalism to compute the stress distribution in polycrystalline materials with arbitrary elastic inhomogeneity and anisotropy.The dependence of elastic stiffness tensor on grain orie...
关键词:ELASTICITY spectral method iterative method 
Simultaneous Prediction of Morphologies of a Critical Nucleus and an Equilibrium Precipitate in Solids被引量:3
《Communications in Computational Physics》2010年第4期674-682,共9页Lei Zhang Long-Qing Chen Qiang Du 
This research is supported in part by NSF-DMS 0712744,NSF DMR-0710483 and NSF-IIP 541674 Center for Computational Materials Design(CCMD).
We investigate the critical nucleus and equilibrium morphologies duringprecipitation of a second-phase particle in a solid. We show that a combination ofdiffuse-interface description and a constrained string method is...
关键词:Phase field diffuse interface NUCLEATION critical nucleus constrained string method ELASTICITY 
A Fourier Spectral Moving Mesh Method for the Cahn-Hilliard Equation with Elasticity
《Communications in Computational Physics》2009年第2期582-599,共18页W.M.Feng P.Yu S.Y.Hu Z.K.Liu Q.Du L.Q.Chen 
This work has been supported by the National Science Foundation Information Technol-ogy Research Project(NSF-ITR)through Grant DMR-0205232;The work of Qiang Du is also supported by NSF-DMS 0712744.
In recent years,Fourier spectral methods have emerged as competitive numerical methods for large-scale phase field simulations of microstructures in computational materials sciences.To further improve their effectiven...
关键词:Phase field diffuse interface moving mesh adaptive mesh Fourier-spectral method adaptive spectral method Cahn-Hilliard equation ELASTICITY 
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