2023-11-02T04:25:50.000-0400

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Simcenter STAR-CCM+ Application Specific Solutions

This gives an idea on the Continuity Initialization for Segregated Solvers that is available from STAR-CCM+ 8.06

Continuity Initialization:

- Continuity Initialization is available since Simcenter STAR-CCM+ v8.06
- The option solves the frictionless Euler equations to provide a better initial flow field for Pressure and Velocity fields
- The improvement of the initial conditions due to this kind of initialization helps to accelerate the convergence of the solution and reduce overall turnaround time
- Provides a better initial guess of the flow field that is solved using either Segregated/Coupled solver.
- The option is strictly available for steady states cases
- It is similar/derived from Grid Sequencing Initialization (GSI) for the coupled solver

Boundary Layer Initialization:

- In the latest version Boundary Layer Initialization has been introduced which uses the Velocity field from Continuity initialization to calculate the initial-field for Turbulence quantities such as Turbulent Kinetic Energy and Turbulent Viscosity (should accelerate convergence and reduce overall iterations required for steady state result)

The image below shows pressure after initialization:

The image below shows pressure after Continuity initialization activated: