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hi
1) what is difference in SDAMPING and Param GE Damping Card?
2) how this damping parameters difference in analysis solution
3) which will be best to correlate with real case
Hi,
SDAMPING can only be used in modal solutions.
To achieve identical displacements in Modal frequency response or Modal transient analyses when the SDAMPING Bulk Data Entry is used instead of PARAM, G, the steps described here can be followed:
The TYPE field in the TABDMP1 Bulk Data Entry should be set to CRIT. This TABDMP1 Bulk Data Entry is referenced by the SDAMPING subcase information entry.
Set the damping value (field gi) in the TABDMP1 Bulk Data Entry equal to half of the value of PARAM, G (that is set the constant value to C/C0).
Set PARAM, KDAMP,-1
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