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young

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About young

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  1. Hi,hyperman, I have tried this setting as you said,it worked well, the increment size is fixed.Thank you very much. But, in other case ,I haven't keep expernel>no, just be sure the DTmax equals to DTmin, the increment can be fixed, so 8s this setting( PARAM>EXPERTNL>NO) only necessary in some cases? Looking forward your reply.
  2. Hi, Thank you for your reply, I tried the configuration as you said, but it not works very well,still keeps increasing the incerement size.I try a simple case likes this: aa.fem
  3. hi cfuser,my NLparm entry likes this,
  4. Hi,everybody, I need to fix time increment in my load step , have set NLADAPT>DIRECT>YES,and referece this load in my loadstep. But the solver seems to ignore it and keeps increasing the incerement size.Can somebody give me an advice on what I could do to solve this issue? Thank you very much!
  5. Thank you for your answer,it is working when i use HyperWorks Solver is 2017.3.
  6. hello the problem as shown in the document. MODE_Frequency_Response_Analysis_of_a Flat_Plate_LG.fem
  7. Hello everyone, I would like to ask for an advice in solving a frequency response problem on a preloaded structure. I create two load cases in a single job. The first load case selects nonlinear Quasi-Static (NLSTAT) the second load case selects freq.resp(direct) ,for substate(preload) ,select the first loadstep. set PARAM,LGDISP,1 Unfortunately,the solver gives an error: *** ERROR # 4754 *** STATSUB(PRELOAD) of subcase 2 points to a nonlinear subcase with large displacement, which is not supported.  Best regards, young
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