ABAQUS stop without error message

Hi All,

I have a problem like this. I am running my analysis
and then sometimes it is stop without any errors. 

Then I have to restart the analysis again and it can
continue to run. 

I use ABAQUS 6.4-1. I think there is something wrong
with this version. May be the memory allocation or
what. I do not know exactly what is wrong.

I read from previous mail, there is one free software
called "allocation". Where can I get it?

Thanks for your help,
Darwid Halim



                
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