Viscous Material: Difference between revisions

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{|  
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| style="background:yellow; color:black; width:800px" | '''uniaxialMaterial Viscous $matTag $C $alpha'''
| style="background:lime; color:black; width:800px" | '''uniaxialMaterial Viscous $matTag $C $alpha'''
|}
|}


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NOTES:


1. This material can only be assigned to truss and zeroLength elements.
2. This material can not be combined in parallel/series with other materials. When defined in parallel with other materials it is ignored.


REFERENCES:
REFERENCES:

Latest revision as of 19:38, 7 July 2023



This command is used to construct a uniaxial viscous material object. stress =C(strain-rate)^alpha

uniaxialMaterial Viscous $matTag $C $alpha
$matTag integer tag identifying material
$C damping coeficient
$alpha power factor (=1 means linear damping)


REFERENCES:

See Eqn 9 in G. Pekcan, J.B.Mander abd S.S. Chen, "Fundamental Considerations for the Design of Non-Linear Viscous Dampers", Earthqauke Engineering & Structural Dynamics 28,1405-1425 (1999)

Code Developed by: Mehrdad Sasani, NEU

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