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if there are any ways plz suggest it.
OS already outputs dynamic Stiffness.
https://help.altair.com/hwsolvers/os/topics/solvers/os/kdyn_io_r.htm
try this discussion if you need to derivate it in HG:
After running the file in Opti struct by giving SID (grid point) for dynamic stiffness valve how to plot the results in hypergraph (like which options should i use) can u clearly explain it clearly??
assuming you've requested KDYN, and you're using HG 23+ you should be able to load it in HG like this:
how can i find dynamic stiffness valve between 200-300hz using (acceleration vs frequency) curve and dynamic stiffness curve plot in hyper graph.Example: using FRF (frequency response function) analysis we plot (acceleration vs frequency) curve, frequency range: 1-2000HZ dynamic stiffness curve plotted for 180kgf/mm but my desire is to find the dynamic stiffness valve between 200-400HZ is there any way to calculate the value in hypergraph for the desired range??
