Boundary Conditions
In the Properties panel, you can assign each boundary a specific independent dynamics boundary condition attribute for translation or rotation. You can specify the following boundary condition types for both translation and rotation:
Default—Boundary is not linked to specified dynamics.
Dynamic BC—Creates a one-way link to the specified dynamics from a selected boundary. This couples the boundary to the ODE equation. Connecting multiple boundaries to a Dynamics module includes all their contributions such as integrated pressure to the ODE as one source. In theory, multiple Dynamics modules can be connected to a single boundary, although the resulting motion of the volume must include the influence of multiple ODEs.
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You need to assign a boundary because a dynamic boundary condition is relevant only if the Flow module is active and Force Balance motion type is used. Connecting a boundary to a Dynamics module does not move the boundary. To specify a motion of the boundary, follow these steps:
1. Under Common select Volume Remesh.
2. Under Method select By Dynamics.
3. Under Dynamics, select Translation (1 DOF) or Rotation (1 DOF).
Output
To add output variables computed during the simulation, set User Select to Yes.
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