Initial Pressure

In one sentence: Set the starting pressure field for a transient fluid flow analysis or provide an initial guess for steady-state convergence.

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Overview

Workbench: FEM
Menu: FEM → Model → Fluid BCs → Initial Pressure

Sets the starting pressure field for a transient fluid flow analysis using Elmer. For an incompressible flow with a known inlet pressure, setting an Initial Pressure that matches the inlet BC speeds up convergence.

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See also

• Initial Flow Velocity — starting velocity field
• Flow Velocity Constraint — inlet/wall velocity BC
• Equation: Flow — Elmer Navier-Stokes equation
• FEM Workbench — workbench overview