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how to model the damping behavior of viscoelastic passive damper using ANSYS applied to a sandwich beam
Tue, 2013-01-08 14:31 - Alabsi
dear all,
How can I model the changing
relationship of shear modulus with frequency for a passive constrained viscoelastic
damper used as part of a composite sandwich beam which is subject to a walking
excitation using ANSYS ??
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This is for a 3-layer sandwich type simply supported beam with core layer sheet viscoelastic type damping, which is Butyl rubber. The beam is subject to walking load excitation. I do have storage shear data from a dynamic test but ANSYS wont allow non-linear material models (prony series) in a harmonic analysis, so what can i do?
request
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