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Rotordynamics Problem

Posted 11 mars 2015, 12:46 UTC−4 2 Replies

Sam Fisher
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Hello I wanted to obtain Campbell diagram for the given geometry (image attached). As I am new to COMSOL I wanted to know what is a good starting point to solve this problem.

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2 Replies Last Post 12 mars 2015, 13:33 UTC−4
Henrik Sönnerlind COMSOL Employee

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Posted: 10 years ago 12 mars 2015, 03:29 UTC−4
Hi,

Search In the Model Library for the model rotating_blade. This model contains an example of a Campbell diagram.

Regards,
Henrik
Hi, Search In the Model Library for the model rotating_blade. This model contains an example of a Campbell diagram. Regards, Henrik
Sam Fisher
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Posted: 10 years ago 12 mars 2015, 13:33 UTC−4
Thank you Henrik I checkout the problem, and know how to do rotordynamic analysis, but I am more concerned about how to setup simply supported beam boundary conditions at the end of the shaft. The example is of a cantilever beam (Fixed at one end) in my case the ends are supported by bearings (which I assume as simple supports.

Regards
Thank you Henrik I checkout the problem, and know how to do rotordynamic analysis, but I am more concerned about how to setup simply supported beam boundary conditions at the end of the shaft. The example is of a cantilever beam (Fixed at one end) in my case the ends are supported by bearings (which I assume as simple supports. Regards

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