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Jinil Kim

Non-convergent nonlinear iterations

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Hello! 

 

I really need your help.

 

whenever I implemented OPTISTRUCT, I got " Non-convergent nonlinear iterations for subcase 2" result.

 

I set hyper-elastic material, and pshellx for 2D design.

 

Also My load collectors are, SPC/LOAD/TABLED1/NLOAD/NLPARM, and I set load step NLGEOM

 

I don't know why I couldn'y get nonlinear analysis result in OPTISTRUCT.

 

My material is the example of MATX62.. I attached My entities and NLPARM screen-picture too

image.png.a25caf251db80c7d9d358d3cec6957df.pngimage.png.22480feabc9be5da837268624133d78a.png

image.thumb.png.dd95c44358219892a16738004b082144.png

image.thumb.png.2db4f5630c3e463ab305c063997fddf7.png

 

 

Please give me some advices

 

 

Thank you, 

 

Best Regards,

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