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No 0001.rad is written during calculation

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Hello,

 

  I must have done an error but when I start my calculation, no file type 0001.rad is written. Do you know how to solve this ? Is it possible to restart a calculation (to simulate more time) without this file ?

 

Thank you,

Regards

 

Guillaume

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Hi Guillaume,

In order to restart a run you should have a second engine file.

Ensure that while exporting model file Auto export engine file option is checked 

Capture.PNG

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Hi, 

Thank you for your reply !

 

The "auto export engine file" was checked, but I may have also checked "Merge starter and engine file", is that the reason why I do not have any 0001.rad ?

Is it still possible to rerun my calculation ? Or do I have to start it again from the beginning ?

 

Thanks a lot for your help,

Regards,

 

Guillaume

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Hi Guillaume,

Since you have checked  "Merge starter and engine file" option, the engine control cards defined will be in the starter file (_0000.rad) itself and that's why engine file was not created separately. Open the _0000.rad file in Textpad or Notepad and ensure that engine control cards are present.

If the control cards are present in the starter file you can run the same.

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Do I have to rename it like I would have if I had the 0001.rad ? Do I have something to do before clicking "Run" ? 

I mean, if I juste run the 0000.rad again, it will erase my calculation and do it again, won't it ?

 

Finally, how do I set the time I want to rerun the calulation for ?

 

Sorry for all these questions but I am a beginner and I didn't find these answers on the documentation I have about Radioss.

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Hi Guillaume,

There is no need to rename, since both the starter and engine files are merged. You can directly run the file.

To provide the run time, either open the _0000.rad file Textpad or Notepad and manually change the run time under /RUN. Please see the attached image.

Else import the file in HyperMesh, change the run time and export again.

Since you are a beginner I recommend you to practice a crash box tutorial which is available at https://altairuniversity.com/wp-content/uploads/2016/11/Crash_Box_1.pdf

Also, you can get exposed to various analyses using Altair tools at https://altairuniversity.com/conceptual-design-of-a-3-wheeler-motorbike/

 

run.PNG

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