New finite strain elastoplastic equations for accurately and explicitly simulating pseudoelastic-to-

• 作 者: Siyu WANG Lin ZHAN Huifeng XI
• 机 构: SchoolofMechanicsandConstructionEngineering,ShanghaiInstituteofAppliedMathematicsandMechanics
• 出 处: 应用数学和力学:英文版
• 发表日期: 2020年10期
• 关键词: shape memory alloy(SMA) finite deformation PSEUDO-ELASTICITY plasticity cyclic l
• 基金项目: Project supported by the National Natural Science Foundation of China(No.11372172)and the Start-up Fund from Jinan University in Guangzhou of China

A new finite strain elatoplastic J2-flow model with coupling effects of both isotropic and anisotropic hardening is proposed with the co-rotational logarithmic rate.In terms of certain single-variable shape functions representing uniaxial loading and unlo