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Merrick Taylor

Drift in raw output & baseline correction

Hi there,

I am finding the output from Strata has significant drift in the displacement time history – and even when baseline correction is selected the final time history continues to show drift. To remove I need to do a band-pass filter in Seismosignal which changes the phase of the motion & making comparison between models problematic in the time-domain.

I wonder if there is a cause of this in the numerical algorithm? I do not get the same drift in EERA or Deepsoil v5.1 (MKZ model).

Thanks

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    Albert Kottke

    Merrick,

    I am a little surprised to hear that you are seeing drift in the displacement time series. If you would be willing to share the input file and time series with me I can look into this matter. I will send you a private message with my email address.

    Albert

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