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Found 3 results

  1. hello everyone, i want to do an optimization in order to increase the correlation between experimantal results and numerical ones, using MAC cretria, my design variables are the stifness of the damping springs. my size optimization is well set it works but i don't know how can i connect the expermental result that i have in an .UNV file and the numerical results. to say to optistruct i want to increase the mac between the two. i know that i have to use the parameter TRAKMETH MODETRACK MFILTER. but i don't know the right steps to operate this one. if you have some ideas i will be greatful thanks.
  2. hello, i'm trying to do a correlation between experimental results and numérical ones, so for this correlation i am using as a reference file a .UNV ( 164) and for correlation file results extracted from a modale analysis optistruct, so once i clic on load an error message apear it said that '' erreur: missing operand ar_@_ in expression..'' as showing in the picture. i'm sure that the error comes from the unv file. so my question is : is it the unv fomat file ''dataset 164'' that causes this error? if yes what dataset should be used ' dataset 15, 18, 55, 58, 82 or 151? if there is any other suggestion i'm all ears. and thank you in advance for all your replies
  3. hello, im doing a model correlation between an experimental results stocked in a UNV file, and a numerical simulation run using optistruct while loading both results from the UNV file and the h3d i have a message the said << Node block 2411 or 15 or 781 does not exist >>. this error comes from the UNV file and i don't know how to fix it. thank you for your help!
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