Nastran In-CAD – Setting up an analysis

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Once the Nastran In-CAD environment has been activated, you need to tell the software what type of analysis you will be performing.

First, you can change the name to identify the analysis that you are performing. Whatever gets entered into the Title will appear at the top of the report that gets generated.  Under Type, you are able to choose what analysis will be performed.

Units allow you to specify what units you are using for the analysis. You have a choice of the following:

  • CAD Model – The default unit system specified in the Document settings of the CAD environment
  • SI – meters, kilograms, seconds, Newton, Kelvin and degrees
  • Modified SI – millimetres, ton, seconds, Newton, Kelvin and degrees
  • English – inches, pounds seconds square per inch, seconds, pounds, Fahrenheit and degree
  • CGS – centimetre, grams, seconds, dyne, Celsius and degrees

On the Output Controls tab, you select which results are requested when performing the analysis.

For Nodal you can get the following results:

  • Displacement
  • Applied Load
  • SPC (Single point constraint)
  • MPC (Multipoint constraint)
  • GridPoint Force Balance

When conducting a Thermal analysis you can request the following:

  • Applied Load
  • Temperature
  • SPC Heat Flow

Elemental allows you to request the following:

  • Force
  • Stress
  • Strain
  • Strain Energy

For thermal analysis, you can request Heat Flux.

Under the options tab, you can define the default automatic contacts using the faces that are within the tolerance that you specify.

Nastran In-CAD allows for more than one type of analysis in one part.

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