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Mike W. Long's blog

Rayleigh damping: how to match the model frequences to the frequences of the measurements?

Submitted by Mike W. Long on

 I hope that the mecanicians can help me to solve my problem.

 Is there any possibility to match the frequences of the physical model to the mesurement data?

Bondary conditions of plate segment

Submitted by Mike W. Long on

Hello,

i'd like to model only one small segment of a large elastic plate. This plate is uniformly loaded by sinusoidal dynamic load.

The question is how i kann describe the boundary of this small segment, whose boundaris changes over the time. Is it possible to model the boundary conditions of this segment without consideration of its connection to the large plate.

I hope on your help.

Mike