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  1. Srki1982

    Beam Cross Section Stress Control not working with "Hole to hole fasteners"

    Hello, I have a problem with beam cross section stress control when selecting beam elements of created hole to hole fasteners. This had worked before, but for some reasons it is not working now. Is there any settings that must be ON in order to obtain stresses of beam elements. I probably made...
  2. Srki1982

    Is there a tool in FEMAP for stress linearization?

    Hi, I am trying to make a stress linearization in FEMAP with NX Nastran v11.0.1. Is there a tool in FEMAP for that like in ANSYS and ABAQUS? Thanx in advance
  3. Srki1982

    Natural Frequaency Analysis - Mass Participation Factor

    Hello, I am trying to find a way to extract the mass participation factor from the Normal Modes/Eigenvalue Analysis for different natural frequencies. I receive 10 modes with frequencies and I need to see if the first frequency is dominating by checking if the mass participation is minimum 90...
  4. Srki1982

    Problems with Static Linear Analysis when applying thermal load

    Hi everyone, I'm trying to understand where the problem is in my model because of the result I receive. 1. First I apply thermal load 10 to 100 Celsius on my model in order to see the thermal distrubution with steady-state heat transfer analysis. 2. Second analysis is linear static analysis...
  5. Srki1982

    Pressure load on bend pipes

    Hi all, I have a question about the pressure load in FEMAP. If you have pipe with 90 degrees bend at some areas, the force will be greater on one section which produces high bending stresses at pipe connection parts. The model can be seen in this thread: Link Do you have any tips how I can...
  6. Srki1982

    Shell to solid connections in FEMAP with NX Nastran

    Hi everyone, I have made a simple model in order to understand how to connect shell elements to solid elements. Download link: http://dl.dropbox.com/u/175649/Test%20of%20Shell%20to%20Solid%20Elements%20Connection.zip I have attached the model and wonder if someone can help me out with this...
  7. Srki1982

    Correct thermal expansion coefficient unit in NX Nastran?

    Hi, I hope someone can help me out with units in FEMAP with NX Nastran. I am working in (mm) scale and I use following material data for a simple model: Youngs module E: 200000, Poisson's Ratio, nu: 0,27 Expansion Coeff, a: 1,728E-5 Conductivity, k: 0,015 Specific Heat, Cp: 500000 Mass...
  8. Srki1982

    High increase of stresses when applying nodal temperature load (FEMAP with NX Nastran)

    Hi, I have a model that consist of both shell elements and solids and I work with (mm) scale. I have made it very simple with connections and chosed glued connection between all my parts. First, I run a Steady-State Heat Transfer analysis (min: 10 C - max: 100 C) and the temperature...
  9. Srki1982

    Hand calculation of flanges according to EUROCODE

    Hi, I hope someone can help me out here. In my project I need to do a hand calculation of integral flange DN50 PN40 according to EUROCODE EN 13445-3 section 11, Annex G or Eurocode EN 1591-1. I have following internal and external loads: Pressure: 12 bar temperature: 100 C Axial force Fa: 850...
  10. Srki1982

    Hand calculation of flanges according to EUROCODE

    Hi, I hope someone can help me out here. In my project I need to do a hand calculation of integral flange DN50 PN40 according to EUROCODE EN 13445-3 section 11, Annex G or Eurocode EN 1591-1. I have following internal and external loads: Pressure: 12 bar temperature: 100 C Axial force Fa: 850...
  11. Srki1982

    Steady-State Heat Transfer Analysis with FEMAP 10.3.1 and NX Nastran 8.1 (Shell and solid elements)

    Hi, Can anyone give me some tips with Steady-State Heat Transfer Analysis when you have both shell elements and solids in the model. They are connected properly and a static analysis can be performed without any problems. Is there any special settings you need to change in order to run the...
  12. Srki1982

    Buckling analysis help in FEMAP

    Hi, I want to check if I have done a correct buckling analysis of plate. I receive a very high eigenvalue result and it's just hard to believe that I need to apply such much higher load in order to buckle the plate. Basically, the model is just a cylinder formed plate with 5 mm of thickness and...

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