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      Please click here for a short but important announcement   03/26/17

      Dear Users Our Commercial and Academic users around the world can use these same forums here as before i.e. the Altair Support Forum , Commercial users from India with solver queries can go to the Solver Forum for India Commercial Users , Academic Users from India and AOC India Participants are requested to go to the Forum for India Academic Users and AOC India Participants , We will be tending to all queries in all the forums promptly as before, thank you for your understanding. 
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Hello sir,

Can we perform denting analysis in optistruct, in which we have to load and unload the dent plate, if so what are the load collector card images, boundary conditions, load steps must be used in optistruct? please help me. Thank you.

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If I understand right, you should try HyperForm, a Tool that specializes for Forming (or denting), very useful!. 

You can access it through shortcut folder in Startup menu, choose Manufacturing Solutions folder then  HyperForm.

There are also some tutorial for you in Help file, Manufacturing Solution tutorial part.


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Hi Ramakiran,


Yes, you can perform oil canning or denting analysis in OptiStruct.


You can use either NLSTAT or NLTRAN with PARAM,LGDISP,1 to define the non-linearities.


The loading and unloading curves can be defined through a TABELS1 card.




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