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maa.py   构建材料属性    abaqus用于研究复合材料铺层，内含模型建构和材料属性框架构建必须的for文件和py文件

说明：  abaqus umat子程序一维损伤模型 程序名umat1d83.for(The one-dimensional damage model is implemented in Abaqus using the UMAT subroutine umat1d83.for. The following items describe the procedure used to explicitly evaluate the damage constitutive equation)

说明：  abaqus子程序测试程序，测试子程序是否正确调用Fortran代码(subruotine test foe abaqus,in order to test whether abaqus call fortran code correctly)

Abaqus 有限元程序 umat 代码。它使土壤剑桥的本构模型更强大 ！它可以解决一些土应变软化的问题。

说明：  ababqus使用实例设计基础，以及二次开发编程。(Ababqus uses case design basis and secondary development programming.)

说明：  喷丸强化有限元建模过程，是描述了整个喷丸过程用abaqus做的(Shot peening strengthening finite element modeling process is described by ABAQUS in the whole shot peening process.)

学习ANSYS的APDL命令流很好地资料，很通俗易懂(Learning ANSYS APDL command flow very good information, very easy to understand)

说明：  Abaqus中用于用户自定材料属性的子程序编程实例，适用于初学者。(ABAQUS subroutine programming example for user defined material properties, suitable for beginners.)

说明：  薄壁圆柱壳轴压屈曲非线性计算，采用模态缺陷作为初始缺陷(In the nonlinear calculation of thin-walled cylindrical shells under axial compression, modal defects are used as initial defects)

说明：  六边形蜂窝自动建模插件，能在abaqus中自动建立蜂窝模型(Hexagonal honeycomb automatic modeling plug-in)