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【讨论】应变率的输出问题

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jkr74 该用户已被删除
发表于 2003-9-19 16:10:43 | 显示全部楼层 |阅读模式 来自 陕西西安
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jkr74 该用户已被删除
 楼主| 发表于 2003-10-8 16:56:15 | 显示全部楼层 来自 陕西西安
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发表于 2003-10-8 20:50:53 | 显示全部楼层 来自 江苏南京

回复: 【讨论】应变率的输出问题

Subject: Re: Abaqus post-rpocessing issue
  
Hi
  
The subroutine UVARM can be used to define a user defined post-
processing variable, however I do not have a fortran compiler on my  
m/c.  
  
For the product of strain and strain rate, why not create a field  
varaiable in abaqus cae defined as:
  
E*ER (small strains)
LE*ER (large strains)
  
For example, to create a field variable for step 1 increment 7 the  
expression should be of the form:
  
s1f7_LE*s1f7_ER
  
The tensor multiplication is recognised automatically. My problem  
concerned incorporating user defined data which is a function of a  
field variable.
  
Regards
  
Barry
  
--- In ABAQUS@yahoogroups.com, Timmy Horgan <Timothy.Horgan@u...>  
wrote:
> Hi,
>  
> I would actually love to know how to add a user defined variable  
too. Essentially I would like to see fringe plots of a variable which  
is the product of strain and strain rate.
>  
> If you have any luck finding that subroutine I would like to see it  
if it was ok?
>  
> Many Thanks,
> Tim.
>  
>   ----- Original Message -----  
>   From: Steve Manifold  
>   To: ABAQUS@yahoogroups.com  
>   Sent: Thursday, September 25, 2003 1:23 PM
>   Subject: Re: [ABAQUS] Abaqus post-rpocessing issue
>  
>  
>   There is a way to create a user defined variable using a user  
subroutine.  The user defined variable can be plotted in contour  
plots.  I did it a while back, I'll have to dig around and see if I  
can find how I did it.
>     ----- Original Message -----  
>     From: barryodonnell2003  
>     To: ABAQUS@yahoogroups.com  
>     Sent: Wednesday, September 24, 2003 7:06 AM
>     Subject: [ABAQUS] Abaqus post-rpocessing issue
>  
>  
>     Hi
>  
>     I wish to create field output based on the following type  
expression:
>  
>     reserve = von_mises_stress / UTS(temp)
>  
>     The von mises stress and temperature are existing field  
variables for  
>     a single increment (note: both vary spatially throughout the  
model).  
>     The UTS is a known graph of UTS verses temperature which can be  
>     inputted as an ascii file. The main problem is, how can I  
create the  
>     field output (i.e. reserve) for subsequent contouring.
>     This is a point and click operation in our in-house FEA code.
>  
>     Barry
>  
>     ODCS Ltd.
>  
>  
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发表于 2003-10-8 20:52:40 | 显示全部楼层 来自 江苏南京

回复: 【讨论】应变率的输出问题

简单点的方法可用field output的运算功能来实现
不过建议最好还是用子程序
jkr74 该用户已被删除
 楼主| 发表于 2003-10-9 19:41:42 | 显示全部楼层 来自 陕西西安
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