【待】DEFORM二次开发的一点小心得(5)

YS=FLOW STRESSYPS=DERIVATIVE OF FLOW STRESS W.R.T. TEPS

FIP=DERIVATIVE OF FLOW STRESS W.R.T. EFEPS

TEPS=EFFECTIVE STRAINEFEPS=EFFECTIVE STRAIN RATE

如果流动应力只由应变速率灵明度指数和等效应变速率来决定~那么流动应力的子程序如下：

PEM = 0.1

YS= 10. * (EFEPS)**PEMFIP = 10. * PEM* (EFEPS)**(PEM-1)

YPS = 0如果流动应力由应变(PEN)，应变速率(PEM)，等效应变 (STRAIN)，等效应变速率来决定,子程序如

下：（用户自己定义等效应变值）

STRAIN = USRE1(1)

IF (STRAIN.LE.0.) STRAIN = 1.E-5

PEN = 0.15

PEM = 0.1

YS= 10. * STRAIN**PEN* (EFEPS)**PEMFIP = 10. * STRAIN**PEN* PEM * (EFEPS)**(PEM-1)

YPS = 10. * PEN * STRAIN**(PEN-1.) * (EFEPS)**PEM

这就是最基本的流动应力的二次开发，大家可以再探讨探讨~！谢谢~！

2008-11-18

DEFORM 2D / DEFORM 3D二次开发心得

一求解过程中的二次开发

Procedure: If you can find Compile_DEF_SIM_USR.bat in the current directory, you cancompile the user routine by simply click on that batch file, and copy the DEF_SIM.exe orDEF_SIM_P4.exe to the folder where DEFORM3D installed.

To build DEF_SIM.exe follows these steps:

(1) Double click DEF_SIM_USR.gui ( DEF_SIM_USR_Absoft70.gui if you are using Absoft 7.0),Absoft Pro Fortran compiler will open automatically.

(2) Click on Build or in the menu bar click on Tools->Build to build DEF_SIM.exe.

(3) Copy DEF_SIM.exe to the DEFORM3D/V5_0 directory (do not forget to make a backup copy ofthe originalDEF_SIM.exe).

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