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Robot Structural Analysis

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Mentor
faisal.aaouatif
Posts: 201
Registered: ‎10-08-2011

modal analysis error

249 Views, 6 Replies
12-30-2012 02:01 AM

What would be the source of this error please ?

see attachment

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Product Support
Rafal.Gaweda
Posts: 5,048
Registered: ‎04-26-2010

Re: modal analysis error

12-30-2012 11:47 PM in reply to: faisal.aaouatif

Send us file, please.



Rafal Gaweda
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Mentor
faisal.aaouatif
Posts: 201
Registered: ‎10-08-2011

Re: modal analysis error

01-01-2013 04:20 PM in reply to: Rafal.Gaweda

Ive done a lot of modification on the model since then . ( ive changed panels with material orthotropy to uniform ones and have no problem yet ).

thank you

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Distinguished Contributor
athurD
Posts: 177
Registered: ‎12-14-2011

Re: modal analysis error

01-02-2013 02:40 AM in reply to: Rafal.Gaweda

Hi. I is Prolem

File modol attachment.

Thanks.

 

2013-01-02_1738.png

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Product Support
Rafal.Gaweda
Posts: 5,048
Registered: ‎04-26-2010

Re: modal analysis error

01-02-2013 03:27 AM in reply to: athurD

Change mass matrix onto any lumped matrix.

We wil check it deeper.



Rafal Gaweda
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Product Support
Rafal.Gaweda
Posts: 5,048
Registered: ‎04-26-2010

Re: modal analysis error

01-02-2013 03:40 AM in reply to: Rafal.Gaweda

Triangular mesh solves the problem

 

triangle.jpg



Rafal Gaweda
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Distinguished Contributor
athurD
Posts: 177
Registered: ‎12-14-2011

Re: modal analysis error

01-02-2013 03:46 AM in reply to: Rafal.Gaweda

ok. thank you.

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