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Jinil Kim

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  1. Hi, Mr. Pagadala. @Prakash Pagadala here is my .hm file! thank you for quick reply:) thanks (Sorry, now I am attaching..) 171113_NLGEOM.hm
  2. 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 I also tried to change NINC and MAXITER values in NLPARM card.. And, use PARAM,EXPERTNL,YES and CONTPRM,STIFF,SOFT too Please give me some advices Thank you, Best Regards,
  3. I also tried tot change NINC and MAXITER values in NLPARM card And, use PARAM,EXPERTNL,YES and CONTPRM,STIFF,SOFT too...
  4. 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 Please give me some advices Thank you, Best Regards,
  5. I am a new to Hyperworks, and I get useful information from you and your company many times, thanks. I got some questions, Please help me!! 1. I want to do nonlinear analysis through Radioss, But I can't find MATHE Setting in my hypermesh(Material->Isotropic-> Only MAT1 and MAT4) does hyperworks 11 Version have MATHE material setting function? If not, How can I set the Hyperelastic material like a silicon. Through the Internet searching, there is MATS1 setting in MAT1. Should I use MATS1 to set Hyperelastic material? 2. I heard that Optistruct is an implicit solver and Radioss is explicit solver. Is that correct? 3. I heard that Hyperworks can do three kinds of nonlinear analysis 1) Geometry nonliearity 2) Material nonlinearity 3) Contact & Boundary Change if so, How can do Geometry nonlinear analysis? in my research, I should use DTI_unit setting, MATS1 material setting, NLPARM setting and NLGEOM Load step setting. is that correct? I am just a beginner, so Please help me... Thanks! Best Regards,
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