Bilinear isotropic hardening模型假设材料的硬化行为可以用两个线性段来描述,即一开始的硬化速率较低,随着等效塑性应变的增加,硬化速率逐渐增大。这种模型常常用于金属材料的塑性行为描述。 Bilinear isotropic hardening系数用于描述材料的硬化行为的强度。它可以通过实验测试或材料模型参数识别得到。©...
The plasticity behavior of the shaft has been simplified into a bilinear isotropic hardening behavior and the interference fit has been simulated in ANSYS.Raghavendar RanganathanBradly VerdantRanny Zhao
网络双折线等强硬化 网络释义 1. 双折线等强硬化 ...变关系的数据表 就可以了, 常采用的本构关系模型是双折线等强硬化(bilinear isotropic hardening) 或随动硬化模型( kinematic … www.docin.com|基于2个网页
The elastic-plastic responses of the steel and copper liner are mo- deled by using a bilinear isotropic hardening constitutive behavior within the framework of infinitesimal displacement gradient J2-flow theory. Thus, the yield surface in... M Jha,PK Roy 被引量: 0发表: 0年 Actual Unloading ...
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采用BMMF拟合一个不考虑各向同性强化仅仅是二折线及随动强化(without isotropic hardening, only bilinear and kinematic hardening)的材料本构。如下图: bilinear and kinematic hardening without isotropic hardening 采用BMMF拟合一个不考虑各向同性强化仅仅是二折线及随动强化(with isotropic hardening, only bilinear and...
bilinear isotropic hardeningbilinear kinematic hardeninglinear element and quadratic element typeThe cyclic behaviour of the load on AZ31 alloy material is also described in brief. Mainly, the plastic behaviour of the material is explained with the fundamenSocial Science Electronic Publishing...
The constitutive relations of normal stresses related to the longitudinal and vertical normal strains in the bilinear isotropic hardening core are first formulated. The influence of the in-plane rigidity on the elastoplastic response of sandwich structures is analyzed. An in-plane loaded sandwich ...
When maintaining constant total strain on the specimen for isotropic hardening, it has been observed that while the elastic strain increases, the plastic strain decreases with the number of cycles. FE simulations with different strain and stress factors were performed and the variations of peak ...
An analogy is established between the solutions of the problems of singularities of stresses in linear and bilinear elastic isotropic media. It is shown that the distributions of stresses and displacements in the vicinity of singular points on the boundary of the body (characterized by the ...