error message 41438 write error on file d3plot, which=1 where =2193196

[Wong Edward]

Dear all

When i used implicit solver to run an analysis, it came out error 41438: write error on file d3plot, which=1 where=2193196 shown below.  I can not find the problem with this, Can anyone told me the reason? Much thanks

Kind regards

Edward

[James M. Kennedy]

Dear Edward,

 

See if this provides any help.

 

The error message states that you have a “write error”. Check for any unusual writes to d3plot.

 

Extra history variables

 

Extra history variables, when written to the d3plot database, (see NEIPH and NEIPS in *DATABASE_EXTENT_BINARY) may be fringed using LS-POST by selecting Fcomp > Misc > history var#n.  A time history plot of the extra history variable may then be created by selecting History > Scalar.

 

Extra history variables can be employed to great benefit in the case of a user-defined material routine. Clearly in that situation, the user knows what the extra history variables are. In pre-970 versions of LS-DYNA, the 1st history variable in the umat subroutine won't be stored as history var#1 in the d3plot database. The storage location is dependent on a number of factors such as whether the subroutine is vectorized or nonvectorized, whethere the elements are shells or solids, etc. 

 

Sincerely,

James M. Kennedy

KBS2 Inc.

December 6, 2021

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[Wong Edward]

Dear Jame M K

I have tried according to your suggestion. I did set some history variables in NEIPH = 30. I see many history variables named history var #1 to history var #30. What does this variable mean?  Does it have any physical meaning?

And the write file error still not be solved.  Would be kind of you to check the problem for me which puzzled me a lot.  When i run implicit analysis, the error "error message 41438 write error on file d3plot, which=1 where =2193196 " occur. I changed to explicit analysis, it occur another error "Error 41438 write error on file d3dump, which=20 where=6144, wrote 0 of 131072, Handle =2 ".

For the write error, i can not found suggestion online. 

Kind regards

Edward