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Translating comsol version 5.4 to 5.3

Posted Dec 22, 2019, 12:09 a.m. EST Version 5.4 3 Replies

Fernando J. Pena Cantu
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Hi my University utilises two different versions for comsol 5.4 and 5.3. However they only have Matlab live link with version 5.3 but I have done all my work with 5.4. Is they a way to translate a file that was made in 5.4 into 5.3 version.

Thanks.

3 Replies Last Post Jan 3, 2020, 3:35 a.m. EST
Jeff Hiller COMSOL Employee

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Posted: 5 years ago Jan 2, 2020, 10:34 a.m. EST

Hello Fernando,

If your file created with version 5.4 only uses features that existed in version 5.3, yes. This thread should help.

Best regards,

Jeff

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Jeff Hiller
Hello Fernando, If your file created with version 5.4 only uses features that existed in version 5.3, yes. [This thread](https://www.comsol.com/forum/thread/163681/save-a-model-as-older-version?last=2018-02-07T12:01:36Z) should help. Best regards, Jeff
Pu
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Posted: 5 years ago Jan 2, 2020, 10:42 a.m. EST

It's interesting to know such a possibility. Thanks!

According to the thread, one should save the .mph model file as a .java file and then compile it with a lower version compiler. But could a lower version .mph file be recovered from the .java file?

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ZHANG, Pu
School of Physics,
Huazhong University of Science and Technology
It's interesting to know such a possibility. Thanks! According to the thread, one should save the .mph model file as a .java file and then compile it with a lower version compiler. But could a lower version .mph file be recovered from the .java file?
Henrik Sönnerlind COMSOL Employee

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Posted: 5 years ago Jan 3, 2020, 3:35 a.m. EST

Hi Pu,

The compilation process as such should in principle be version independent. It is just a matter of getting a .class file from a .java file.

When you later run the .class file from a certain COMSOL Multiphysics version, and then save the model, the .mph file gets its version number. In principle, you could thus create several .mph file versions from a single .class file.

Regards,
Henrik

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Henrik Sönnerlind
COMSOL
Hi Pu, The compilation process as such should in principle be version independent. It is just a matter of getting a .class file from a .java file. When you later run the .class file from a certain COMSOL Multiphysics version, and then save the model, the .mph file gets its version number. In principle, you could thus create several .mph file versions from a single .class file. Regards, Henrik

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