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…D calculation matches openfast toolbox and analytical frequencies for cantilever.
…oord transforms). Works for fixed ideal beam.
… rotation over time step. Need to test both.
…nce previous was really wrong.
…tated test looks good now.
…for IEA 22 MW example with mu damping.
…ng' into modal-damping
…o node in BeamDyn
…nfast into modal-damping
…number in BD output file names.
…Vel(:, 1) to x%dqdt(4:6, 1) looks fine on manual test checks, but requires rebaselining.
…orrect at first iteration, then first step is really bad.
… coupling. Initialize BeamDyn's algorithmic acceleration to the initial acceleration in FAST_SolverStep0
…avesIrr (commented out) in test_of_io_pytest.py in openfast_io
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@andrew-platt This PR is ready for review if you wouldn't mind giving it a quick look. I'm afraid the |
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Feature or improvement description
Implementation of modal damping in BeamDyn.
Related issue, if one exists
Impacted areas of the software
New features are added to BeamDyn and input decks are modified. Code for the eigenanalysis in SubDyn is moved so that it can be reused in the BeamDyn calculation.
Additional supporting information
Test results, if applicable