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Project
WEC-Sim development

Describe the issue
The output time step simu.dtOut is not robust in variable step WEC-Sim simulations. Library To Workspace blocks currently use a decimation of round(simu.dtOut/simu.dt,0). For fixed step solvers this is fine, but with variable step solvers this becomes inaccurate. For example, if simu.dt = 1, simu.dtOut=5, WEC-Sim outputs every 5th data point. However when using a variable step solver, the actual time step can become 0.01. Then the output time step is effectively 0.05, not 5 seconds.

This can be fixed by changing all To Workspace blocks in the library to use the SampleTime = simu.dtOut