January 25, 2023 at 7:16 amFAQParticipant
You may want to define a time-dependent geometry for MDM. For instance, if you want to model a membrane, which is changing shape as a function of time, you will need to take the current time from the solver for DEFINE_GEOM macro. Due to the time this function is called, if you use CURRENT_TIME macro, it will actually be the previous time. This can be easily verified by printing out the CURRENT_TIME. The solution is the following: dt = CURRENT_TIMESTEP; time = CURRENT_TIME + dt; A new macro is defined for this, which is DYNAMESH_CURRENT_TIME. So, you can use this one to access current time in DEFINE_GEOM macro. This new macro is basically CURRENT_TIME + dt.
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