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  • CBUSH element force extraction

    Hi there, I'm wondering if there's a way for getting the Cbush element forces in both local and global coordinate systems from the .f06 file. Regards and appreciation, Thanga Pandiyan.

  • AUTOSPC

    Hi, The below images are taken out from the " MSC NASTRAN - Linear Static and Normal Modes Analysis Version - 2017" course. Also i have pasted the .bdf file for this problem at the end. I have the following question on this example problem. 1. I was…

  • SUBCOM query

    Hi, I would like to understand the below highlighted statement. It means i cant able to combine more than 2 subcase in the subcom entry? Thanks and regards, Thanga Pandiyan.

  • SUBCOM

    Hi, I have taken the below pic from the "MSC NASTRAN - Linear Static and Normal Modes Analysis Version - 2017 " course. I was wondering in the subseq entry all 4 load cases are entered But still why the temp (load) case was again entered in the SUBCOM…

  • CBEAM stress recovery points

    Hello, I have created the beam element and instead creating shape (cross section), i have given the geometric properties (Ix,Iy,A....) values as an input. So, for this case, can i able to specify the stress recovery points!. it will give the stress values…

  • Mapping Algorithm used in combination with Nastran

    Checking mapping is important and Nastran offers this possibility by writing a specific file that can be then read by Patran displaying the picture below. To get this mapping file, this is an option that is accessible inside CosimPrePlus Each yellow line…

  • What are the MSC Nastran_2024.1 default values for RESVEC?

    Hello, checking the MSC Nastran quick reference guide I could find that RESVEC currently is supposed to be in the Case Control Section and not anymore in the bulk section as PARAM. Could you please confirm that it is not necessary to explicitly request…

  • Guidelines, examples, tips for going Apex to Patran to Nastran or Apex to Nastran?

    Are there any published guides or examples for using Apex as a pre-processor to Nastran or a pre-pre-processor to Patran? I'm not finding much detail on what Apex does and doesn't write when exporting a Nastran BDF from an Apex model.

  • MNF flex_body creation options

    I am an Adam user with limited FEA background. I would like to know how I can properly create an MNF file using Nastran to represent linear flexibility in Adams. Could I have a template with explanation on the important command lines in the Nastran…

  • How do I generate the stiffnex, mass and damping matrix put of my model?

    How do I generate the stiffnex, mass and damping matrix put of my model?

  • Nastran can´t identify the line break.

    I writed an Input File. The last section is to include other models: $ INCLUDE 'E36_KONZEPT_S01_190222_000_Gerippe.nas' INCLUDE 'E36_KONZEPT_S02_190222_000_Dachsystem.nas' INCLUDE 'E36_KONZEPT_S04_190222_000_Frontsystem.nas'…

  • How to understand status of ongoing contact convergence?

    With a long-running linear contact analysis, how can I interpret the f06 output to get a feel for the progress of convergence?

  • Equilibrium Check and Epsilon for model with contact and without contact

    Hello I ran two models, one with contact and one without contact. As part of model checking i check the epsilon value (round off error ). I noticed that the model with contacts does not produces epsilon value. Can any one explain why is…

  • How to model thin-walled beam/structures in MSC Patran.

    I want to calculate shear flows in wing box which requires modelling thin-walled structures. I have tried to model thin-walled beam using 2D shell elements but it didn't give the desired results (as expected). I want to know if: MSC PATRAN…

  • Plot SRCOMPS in Patran?

    I know this is an old question but I just want to make sure I have the most current information on it. I'd like to be able to post process fringe plot the SRCOMPS that I'm having Nastran calculate just like I can the Failure Indices (i.e. Tsai-Wu). The…

  • Is there a built-in way to calculate radiation exchange factors (REFs) in NASTRAN and export them in a SINDA-compatible format?

    I am using MSC-SINDA to perform thermal analyses but I do not have a radiation analysis code. I want to be able to develop surface models in MSC-NASTRAN, calculate REFs, and output them into SINDA. Has anyone done this before?
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