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LS Dyna

LS Dyna

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Order of butterworth filter in lsrepost

    • October 26, 2023 at 1:10 pm
      Shreyas Joglekar
      Subscriber

      What is the default SSorder of butterworth filter in lsprepost? And is it possible to change it?

      I can choose frequency but cannot set the order. I can filter it externally (MATLAB/python etc.) with desired frequency and order. But prefer to do it in lsprepost if possible. 

    • October 27, 2023 at 3:59 pm
      Jim Day
      Ansys Employee

      The "BW” filter in LS-PrePost seems to filter data forward and backward with a second-order Butterworth scheme. You may want to confirm that by comparing the BW-filtered data to results from your external filter.

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