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  1. david1982

    frequency response analysis with prestressed normal modes

    Thanks blas!, but i would like to use the prestressed normal modes in a frequency response analysis. I've got prestressed normal modes in the normal mode solution but i don't know how to introduce this normal normal modes in a frequency response. Thanks for all! Regards.
  2. david1982

    frequency response analysis with prestressed normal modes

    Hello everybody! Does anyone knows the way to use prestressed normal modes in new analysis (frequency response sol 111)? Thanks in advance, regards!
  3. david1982

    Topography optimization

    Hi pals! I want to know how i can do a topography optimization using patran. Does anyone know where i can found information about it? (Examples step by step) I've found examples for dimensional and topology optimization, but i can't found for topography. Thanks in advance
  4. david1982

    Topography optimization

    Hi pals! I want to know how i can do a topography optimization using patran/nastran programs. Does anyone know where i can found information about it? (Examples step by step) I've found examples for dimensional and topology optimization, but i can't found for topography. Thanks in advance!
  5. david1982

    Active & deactive elments in analysis

    Thanks a lot dwallace1971!! Using diferent analysis by group i can do all the combinations of elements that i want. Thank you so much!
  6. david1982

    Active & deactive elments in analysis

    I'm using Patran 2012
  7. david1982

    Active & deactive elments in analysis

    Hi pals! Does anyone know if its possible to deactive elements for an specified analysis and active for the others? I want to do all the analysis with only one .db. Thanks in advance! Regards David
  8. david1982

    Mesh element quality in IDEAS

    Hi Pals! I would like to know the values of element quality criteria in IDEAS, and the relationship with the values in Patran. I've followed the patran restrictions in my model but i need to know the minimum values in IDEAS to obtain a good mesh. Thanks!
  9. david1982

    midsurfaces in catia v5

    Hi pals! Does anyone know how to extract mid-surface from Solids? Thanks in advance! David
  10. david1982

    FEMAP to ANSYS

    Dear Blas; First of all, I've to tell that I created the model in Patran. Then I imported it in FEMAP because I read in some forums that is a useful way to translate to ANSYS. When I export the model to ANSYS, femap ask me what kind of translation want to do: CP coupling constraint...
  11. david1982

    FEMAP to ANSYS

    Thanks Blas! It works fine! One more question; When I do the translation, the RBE-3 (that are include in the model) have a mass associated that I didn't create. What is the reason for this behaviour and how can I resolve the problem?
  12. david1982

    FEMAP to ANSYS

    Hi pals! Does anyone knows how I can export femap model to ansys? I've tried to use the Export model icon but doesnt work. Thanks!
  13. david1982

    Data recover

    Hi all! I've found useful information about superelements in www.6dof.com, but at Split database Examples I can't open the .dat files where the examples are placed...
  14. david1982

    Data recover

    Hi all! I've found useful information about superelements in www.6dof.com, but at Split database Examples I can't open the .dat files where the examples are placed...
  15. david1982

    superlement old thread

    thread727-224740 Hi! I can't open the .dat files located in Topics of Superelement analysis in MSC/NASTRAN - Split database Examples (referent to this thread). Can you help me, please? thanks!! regards
  16. david1982

    nastran superelements data recovery

    Hi all. I have a model with two superelements (created with patran interface, with internal part form) and the residual structure. My question is: How I can recover the data from superelements results (static solution) to attach the residual stucture? I've reached succesful results using...
  17. david1982

    superelements assembly

    Ok, I have a superelement created for the structure that do not change and I reached the results exactly than without superlements, decreasing the time of calculus. Thanks for your posts! regards david
  18. david1982

    superelements assembly

    Thanks franc, your post has been very useful! I have another question referent to a internal superelements. If you want to do an iterative analysis of internal superelment, changing mesh or/and thickness, what I have to do? First of all, I create the superelements with constraints and...
  19. david1982

    superelements assembly

    Hi all, I'm studying the substructure modelling and i would like to know how to assembly superelements in patran. I don't know how to do the analysis for each superelement. I found MSC.Nastran 2001 Superelement User’s Guide, but doesn't explain the modelling proces in patran. Do you know any...

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