请问一下，做钢筋混凝土梁模拟，钢筋的本构关系，你们一般都是输入多少？？？

一般两种模型，一是理想弹塑性，还有就是双斜线强化模型

看规范或者混凝土结构设计原理，基本都是双直线就可以了。达到极限后不再变

mp,ex,1,ec1 mp,prxy,1,0.2 mp,dens,1,densc tb,kinh,1,,13 tbpt,, 0.00027152,10.564 tbpt,,0.000543041,20.016 tbpt,,0.000814561,28.356 tbpt,,0.001086081,35.584 tbpt,,0.001357602,41.7 tbpt,,0.001629122,46.704 tbpt,,0.001900642,50.596 tbpt,,0.002172163,53.376 tbpt,,0.002443683,55.044 tbpt,,0.002715203,55.6 tbpt,,0.002986724,55.46896343 tbpt,,0.003584069,54.50132748 tbpt,,0.005376103,49.37640169 tb,concr,1,1,9, tbtemp,0 tbdata,,0.4,1,ft1,-1 这个要看你的混凝土的应力应变关系曲线到底是选取哪一个，还有就是你的ANSYS中计算的单位是选取的是mm,N还是那个，我这个是MPa