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op2 from MSC Marc?

Submitted by pragtic on
software
MSC Marc
op2
FEA post-processing

Dear iMechanicians,

I wonder if anybody knows how to get an op2 file (MSC.Nastran) from MSC.Marc. Is something like that possible? Or do you know some available converter? Potentially, fil or odb file from ABAQUS or rst file from ANSYS could help as well. But I would expect there some way within the MSC product family...

Thanks a lot for any idea.

Jan Papuga

how to define cyclic load using abaqus

Submitted by xiaojiao on
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Abaqus 6.7-1

hello everybody:

i am trying to do a project on load controlled cyclic test. By using the Sin wave, i want to define the load.

If i want to define the load range to be 100 to 1000 how can i define the amplitude?

Also, as come to the platic deformation, do i need to give any criterion or anything particular?

thanks

anyone has some idear can you send to xiaojiao_yu [at] brown.edu?

VUMAT and ALE in ABAQUS

Submitted by xiaoxinke on
software
failure
damage
ale
VUMAT

Hi all,

     Here I encoutered a error in ABAQUS when I include ALE with VUMAT. When ALE was not included with VUMAT, my job can work well while with the combination of VUMAT and ALE, the job cann't work any more due to a "Signal 8" error. And if I use a built-in material model and at the same time ALE, a job can work. Furthermore, element failure is considered in all of the cases.

    Anyone can give some suggetion? Thanks in advance!

Xinke

ALE in ABAQUS and LSDYNA

Submitted by xiaoxinke on
software
damage
ale
failure Mechanics

Hi all,

     Can anyone give a description on the diffrence of ALE in ABAQUS and LSDYNA? And also the difference between r-adaptivity and ALE in ABAQUS. It seems ALE in ABAQUS means the same with r-adaptivity in LSDYNA while “ALE” means diffrently in the two codes.

      Thanks a lot!

What is the best software

Submitted by filipe_pedro on
software

I see that people talk a lot about ANSYS over here and that is the software that I use during my works at university. However, when I read some papers or attend some conferences I hear about other finite element programs such as ABACUS and NASTRAN. Besides that I've also seen other open-source codes such as SALOME, Code-Aster, etc...

What do you think is the best software to make finite element analisys, or if it's difficult to say wich one is best, what are the weak and strong points of each software? 

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