Contact US

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

NASTRAN 95 Open Source

NASTRAN 95 Open Source

NASTRAN 95 Open Source

Hello everyone

I have downloaded the source code for NASTRAN 95 from GitHub (The version uploaded by Dan (AeroDME).) Although it was targeted for Linux GNU, I was able to tweak it to compile under Microsoft Visual Studio 2017 with Intel FORTRAN Parallel Studio XE 2018, in a Windows 8.1 64 bit environment. It linked and would execute. I then made up a batch file to run it in console mode, inferring as best I could from reading the source code what it wanted as far as input file names and environment variables, etc.

Using my made-up batch file, I got it to run a little bit but it is experiencing errors where it is wanting to write past the end of some arrays. I didn't have a sample problem for it to solve and wouldn't know how or where to place the sample input anyway or what to name it. So, the fact that errors occur is just what you would expect.

I am a fairly experienced software developer and FEA user (COSMOS, ALGOR, NISA, LS-DYNA, and ANSYS) but with zero experience with NASTRAN, which seems to have a very extensive and elaborate file structure.

I was wondering if anyone had any success in getting it (Open Source NASTRAN 95)to run in a Windows environment. Also, I was wondering if anyone had any sort of simple tutorial on how to do a basic analysis (like a simple cantilever beam with a transverse end load). I have downloaded several NASTRAN PDFs with a lot of information on: Rigid Formats, DMAP formats, etc. but it was difficult (for me at least) to see how it all fits together. (Told me how to build a watch, when I just want to know what time it is - kind of thing.)

I was hoping to get some sort of a simple "Hello World"-like example running without errors. Then I could branch out and experiment to work my way up to less trivial problems.

Would anyone have anything to offer on this?

Thanks in advance for your help,

Bob Kiser

RE: NASTRAN 95 Open Source

Hello Mr. Fernandes

Thanks for this link. I did indeed find a test case for a simple cantilever beam. So now I have something to start with. The tutorial instructions are for MSC/NASTRAN and I'll now have to see how that is different from the procedure for NASTRAN 95. Hopefully, they will be similar enough that I can figure out how to put the right data into the right slots.


Bob Kiser

RE: NASTRAN 95 Open Source

pyNastran might be worth looking at:


I have downloaded from there and also from the Nastran95 site. It's well down my "to-do" list at the moment, but if anyone has a look, and gets it running, I'd be interested.

Doug Jenkins
Interactive Design Services

RE: NASTRAN 95 Open Source

Did you try to build with Mingw64 and gFortran?


RE: NASTRAN 95 Open Source

Hello goeasyon

No, I didn't. Used Visual Studio as noted above. It was not a heroic effort to get it to compile - fairly straightforward.

Rather, the problem I am having, as far as I can tell, is in getting the input file structure set up correctly. I don't think I am telling it (the code) the right info in the right way. I have been searching for some time now for some sort of tutorial or go-by on how to do this, but so far, no joy.


Bob Kiser

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members! Already a Member? Login


Low-Volume Rapid Injection Molding With 3D Printed Molds
Learn methods and guidelines for using stereolithography (SLA) 3D printed molds in the injection molding process to lower costs and lead time. Discover how this hybrid manufacturing process enables on-demand mold fabrication to quickly produce small batches of thermoplastic parts. Download Now
Design for Additive Manufacturing (DfAM)
Examine how the principles of DfAM upend many of the long-standing rules around manufacturability - allowing engineers and designers to place a part’s function at the center of their design considerations. Download Now
Taking Control of Engineering Documents
This ebook covers tips for creating and managing workflows, security best practices and protection of intellectual property, Cloud vs. on-premise software solutions, CAD file management, compliance, and more. Download Now

Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close