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Staged Construction

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Posts: 10
Topic starter
(@hugo-s)
Student
Joined: 4 years ago

Hello everyone;

I would like you to help me in a problem about Staged_Construction. When executing the LS-DYNA solver, an error appears on line 11 of the keyword corresponding to the * Control_staged_construction section, where the only values ​​that can be modified are: "itime" and "idynain", which I have already tried with different settings and the problem is the same.
 Captura
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Negative Volume
Posts: 665
Admin
(@negativevolume)
CEO
Joined: 6 years ago

Hi @hugo-s

When I go into LS-PrePost and look at *Control_staged_construction, this is what I see. There are more options than you mention and I don't even see "itime" and "idynain". 

I would suggest creating this in LS-PrePost and then saving it out again. 

 control staged construction
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(@hugo-s)
Joined: 4 years ago

Student
Posts: 10

@negativevolume as you can see in the image below, I have this:

Captura
 
the error line in the message file corresponds to line 2 in the keyword 
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Negative Volume
Admin
(@negativevolume)
Joined: 6 years ago

CEO
Posts: 665

@hugo-s

Okay so this is a great example of version differences. These parameters must have been added or removed. What version of LS-PrePost are you using? And what version of LS-Dyna are you running? It's very possible that you are using a version of LS-PrePost that is newer than your Dyna version. So you have parameters options that don't exist in your LS-Dyna solver version. 

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(@hugo-s)
Joined: 4 years ago

Student
Posts: 10

@negativevolume I have LS-PREPOST V4.7.14 which is the last version, and I'm using 2020 R1 ANSYS Mechanical APDL as the solver. 

How can I run the staged construction? or what do you recommend?. 

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Negative Volume
Admin
(@negativevolume)
Joined: 6 years ago

CEO
Posts: 665

@hugo-s

Just delete that 2nd row of zeros from your keyword and it should work fine. 

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