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ELASTICITY: 作品数：554被引量：836H指数：11; 导出分析报告; 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>>; 相关期刊：更多>>; 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>>

A phase-field model for simulating the propagation behavior of mixed-mode cracks during the hydraulic fracturing process in fractured reservoirs: 《Applied Mathematics and Mechanics(English Edition)》2024年第5期911-930,共20页Dan ZHANG Liangping YI Zhaozhong YANG Jingqiang ZHANG Gang CHEN Ruoyu YANG Xiaogang LI; Project supported by the National Natural Science Foundation of China(No.42202314)。; A novel phase-field model for the propagation of mixed-mode hydraulic fractures,characterized by the formation of mixed-mode fractures due to the interactions between fluids and solids,is proposed.In this model,the dr...; 关键词：mixed-mode crack hydraulic fracturing poro-elasticity phase-field method(PFM)

Complete solutions for elastic fields induced by point load vector in functionally graded material model with transverse isotropy被引量：1: 《Applied Mathematics and Mechanics(English Edition)》2023年第3期411-430,共20页Sha XIAO Zhongqi YUE; Project supported by the National Natural Science Foundation of China(No.42207182);the Research Grants Council of the Hong Kong Special Administrative Region Government of China(Nos.HKU 17207518 and R5037-18)。; The paper develops and examines the complete solutions for the elastic field induced by the point load vector in a general functionally graded material(FGM)model with transverse isotropy.The FGMs are approximated with...; 关键词：functionally graded material(FGM) transverse isotropy ELASTICITY closedform singular solution Green's function point load vector

On Chien's question to the Hu-Washizu three-field functional and variational principle: 《Applied Mathematics and Mechanics(English Edition)》2022年第4期537-546,共10页Bohua SUN; Project supported by Xi’an University of Architecture and Technology(No.002/2040221134)。; There is an open question,namely Chien’s question,in construction of a generalized functional in elasticity,i.e.,why the stress-strain relation can still be derived from the Hu-Washizu generalized variational princip...; 关键词：variational principle ELASTICITY Lagrangian multiplier THERMODYNAMICS ENTROPY

A well-posed Euler-Bernoulli beam model incorporating nonlocality and surface energy effect: 《Applied Mathematics and Mechanics(English Edition)》2019年第11期1561-1588,共28页Xiaowu ZHU Li LI; Project supported by the National Natural Science Foundation of China(No.51605172);the Natural Science Foundation of Hubei Province of China(No.2016CFB191);the Fundamental Research Funds for the Central Universities(Nos.2722019JCG06 and 2015MS014); This study shows that it is possible to develop a well-posed size-dependent model by considering the effect of both nonlocality and surface energy,and the model can provide another effective way of nanomechanics for n...; 关键词：NONLOCAL integral ELASTICITY BENDING SIZE-DEPENDENCE EFFECT surface ELASTICITY

Bending of small-scale Timoshenko beams based on the integral/differential nonlocal-micropolar elasticity theory: a finite element approach被引量：3: 《Applied Mathematics and Mechanics(English Edition)》2019年第6期767-782,共16页M. FARAJI-OSKOUIE A. NOROUZZADEH R. ANSARI H. ROUHI; A novel size-dependent model is developed herein to study the bending behavior of beam-type micro/nano-structures considering combined effects of nonlocality and micro-rotational degrees of freedom. To accomplish this...; 关键词：INTEGRAL MODEL of NONLOCAL ELASTICITY DIFFERENTIAL MODEL of NONLOCAL ELASTICITY MICROPOLAR theory finite element (FE) analysis Timoshenko nano-beam

Existence results for unilateral contact problem with friction of thermo-electro-elasticity被引量：1: 《Applied Mathematics and Mechanics(English Edition)》2015年第7期911-926,共16页H.BENAISSA EL-H.ESSOUFI R.FAKHAR; This work studies a mathematical model describing the static process of contact between a piezoelectric body and a thermally-electrically conductive foundation. The behavior of the material is modeled with a thermo-el...; 关键词：static frictional contozt thermo-piezoelectric material Signorini＇s condi-tion Tresca＇s friction frictional heat generation variational inequality fixed point process

Effects of size-dependent elasticity on stability of nanotweezers被引量：1: 《Applied Mathematics and Mechanics(English Edition)》2014年第12期1573-1590,共18页A.FARROKHABADI A.KOOCHI A.KAZEMI M.ABADYAN; It is well-recognized that the electromechanical response of a nanostructure is affected by its element size. In the present article, the size dependent stability behavior and nanotweezers fabricated from nanowires ar...; 关键词：nanotweezer NANOWIRE stability analysis modified couple stress elasticity（MCSE） intermolecular force

Further study of rubber-like elasticity: elastic potentials matching biaxial data被引量：1: 《Applied Mathematics and Mechanics(English Edition)》2014年第1期13-24,共12页章宇雨李浩肖衡; Project supported by the National Natural Science Foundation of China(No.11372172);the 211-Plan of the Education Committee of China(No.A.15-B002-09-032);the Research Innovation Fund of Shanghai University(No.A.10-0401-12-001); By virtue of the rational interpolation procedure and logarithmic strain, a direct approach is proposed to obtain elastic potentials that exactly match uniaxial data and shear data for elastomers. This approach reduce...; 关键词：ELASTOMER elastic potential logarithmic strain rational interpolation biaxial stretch

Two-dimensional complete rational analysis of functionally graded beams within symplectic framework: 《Applied Mathematics and Mechanics(English Edition)》2012年第10期1225-1238,共14页赵莉陈伟球吕朝锋; supported by the National Natural Science Foundation of China (Nos. 11090333 and10972193);the Natural Science Foundation of Ningbo City of China (No. 2011A610077); Exact solutions for generally supported functionally graded plane beams are given within the framework of symplectic elasticity. The Young＇s modulus is assumed to exponentially vary along the longitudinal direction w...; 关键词：functionally graded material （FGM） exact solution expansion of eigemfunction symplectic elasticity

Nonconforming finite elements for the equation of planar elasticity: 《Applied Mathematics and Mechanics(English Edition)》2010年第12期1537-1548,共12页杨永琴肖留超陈绍春; Project supported by the National Natural Science Foundation of China (Nos. 10771198 and 11071226);the Foundation of International Science and Technology Cooperation of Henan Province; Two new locking-free nonconforming finite elements for the pure displacement planar elasticity problem are presented. Convergence rates of the elements are uniformly optimal with respect to A. The energy norm and L2 n...; 关键词：planar elasticity LOCKING-FREE nonconforming finite element

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