abaqus如何实现强度折减的？求高手指教？非常感谢
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*initial conditions,type=field,variable=1 PART-1-1.All,1 step-1 ~~~~~~ step-2 *initial conditions,type=field,variable=1 PART-1-1.All,1 ~~~~~~~~~~~~ step-3 ~~~~~~~~~~~~~ *initial conditions,type=field,variable=1 PART-1-1.All,2
