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when I input “python c:\nast95\sbin\nastran.py mymodel.bdf” where does the program expect to find “mymodel.bdf”? I keep getting the message “valid input file not provided”. I am using my own data deck, and placing it in the sbin folder. I have tried saving my file with different ext, but...

Does anyone know of a plotting program that will allow Nastran plot data to be printed out on a HP 9800?

How can I represent the effects of an ice cube placed on a hot griddle?

In N4W Disappearing modules in N4W, version 4.0.2 For years I have been authorized to use Basis Analysis, Nonlinear statics, Nonlinear transient, Heat transfer and Dynamics. Suddenly, I lost the authorization to nonlinear transient, nonlinear static and heat transfer! This is the message I...

First – thanks for your response. I am a “starving consultant”, and would have to rent equipment to run any kind of test. The material I am looking at is similar to “ceiling tile”. Can you suggest a test for this type of material, using minimal equipment?

Can anyone tell me how to run a simple (ball-park) test to determine the “Damping ratio” of an unknown material?