3-练习-多线性随动强化材料输入.ppt

多线性随动强化(KINH),塑性基础,参考:培训手册塑性基础(6-54),October15,2001Inventory#001566W11-2,意图介绍塑性材料模型输入过程目标输入包括弹性常数的多线性随动强化材料属性(KINH)，并用列表和图形来验证输入模型描述多线性应力-应变曲线随动强化,11.塑性基础多线性随动强化,E=16E6PSI泊松比=0.33,October15,2001Inventory#001566W11-3,11.塑性基础多线性随动强化,步骤：1a.清除数据库UtilityMenuFileClear&StartNew确定是UtilityMenuFileChangeJobname用“KINH”作为工作名确定或者输入如下命令：FINISH/CLEAR/FILNAM,KINH1b.启动ANSYS交互模式,在指导者指定的工作目录中以“KINH”作为工作名,注意:如果选择改变当前ANSYS交互模式的工作名,需要用步骤1a。,October15,2001Inventory#001566W11-4,11.塑性基础多线性随动强化,2.定义弹性常数PreprocessorMaterialPropsMaterialModels在材料模型界面中,依次双击StructuralLinearElasticIsotropicEX=16e6PRXY=0.33确定或者输入如下命令：MP,EX,1,16E6MP,NUXY,1,0.333.定义多线性随动强化数据表（见下页）：在材料GUI中,依次双击StructuralNonlinearInelasticRateIndependentKinematicHardeningMisesPlasticityMultilinear(General)输入应力-应变数据对单击AddPoint增加新的一行.,October15,2001Inventory#001566W11-5,11.塑性基础多线性随动强化,或者输入如下命令：TB,KINH,1,1,8TBTEMP,0TBPT,0.000625,10000TBPT,0.0025,15000TBPT,0.005,21000TBPT,0.01,29000TBPT,0.015,32600TBPT,0.02,34700TBPT,0.04,36250TBPT,0.1,390004.退出材料模型界面确定退出对话框单击MaterialExit关闭材料GUI,需要用滚动条(或重新缩放窗口)查看所有的数据点.,October15,2001Inventory#001566W11-6,11.塑性基础多线性随动强化,5.列出弹性模量常数UtilityMenuListPropertiesAllMaterials或者输入如下命令：MPLIST,ALL,EVLT6.列出塑性常数UtilityMenuListPropertiesDataTables随动强化KINH选择“Specifiedbelow”指定材料号=1确定或者输入如下命令：TBLIST,KINH,17.显示数据表曲线UtilityMenuPlotDataTables标签=随动强化KINH材料号MAT=1确定或者输入如