General composite pre-proc. for OptiStruct

Altair Forum User
Altair Forum User
Altair Employee
edited October 2020 in Community Q&A

Hi,

 

i have some difficulties regarding composite pre-processing. For my composite analysis (a basic rectangle plate with tension and bending load) I made following requests:

 

  • CFAILURE (h3d,NDIV=1) = ALL in CASE_UNSUPPORTED_CARDS (for max strn failure criteria or let's say a specified failure criteria)
  • CSTRAIN and CSTRESS (FORMAT: H3D)
  • SRCOMPS (VALUE: YES) for the strength ratio

In HyperView, I can't see my SR-results. The results i get by the listed requests are:

 

  • Composite Failure (should be design load/allowable load; am I right?)
  • Composite Strains
  • Composite Stresses
  • Composite Strength => Is this the strength ratio?

Best regards

 

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Answers

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited July 2015

    Hi Musti,

     

    Yes, composite Strength is written to H3D because of composite strength ratio output in PARAM.

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited July 2015

    Hi Prakash,

     

    thank you for your quick reply. The strength ratio (SRCOMPS) is defined as 1/(Failure index) for max. strn criteria. I've just checked the composite strength (strength ratio) by dividing 1 by the failure index as described in SRCOPMS and the value was correct. I was a bit confused due to the new denotation.

     

    Regards

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited July 2015

    Thanks for the update Musti image/emoticons/default_smile.png' alt=':)' srcset='/emoticons/smile@2x.png 2x' width='20' height='20'>

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