This model took account of material anisotropic and work hardening properties, and included the influence of the Bauschinger effect.
该模型考虑了材料的各向异性、加工硬化特性及包辛格效应的影响。
There is a distinct difference between tensile and compressive modulus. Xylem is a kind of anisotropic material and modeling its mechanical model needs anisotropic constitutive relations.
拉伸弹性模量与压缩弹性模量有明显差异，木质部属各向异性材料，建立力学模型应采用各向异性的本构关系。
For the isotropic plastic material, the anisotropic plastic stress fields at a slowly propagating crack tip become the perfectly plastic stress fields.
对于各向同性塑性材料，缓慢扩展裂纹尖端的各向异性塑性应力场就变成理想塑性应力场。
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