Modeling > Modeling Flow and Energy > Modeling Flow and Energy Using a Coupled Approach > What Is the Coupled Explicit Solver?

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What Is the Coupled Explicit Solver?

The Coupled Explicit solver controls the solution update for the Coupled Flow model and Coupled Energy model. It is used for explicit integration using a Runge-Kutta multi-stage scheme.

Properties

Courant Number

Controls the local time-step at each iteration according to Eqn. 66.

     

Dissipation-stage Flags

Indicates on which stages of the multi-stage scheme dissipation (and viscous fluxes if appropriate) should be evaluated. The number of these flags must be the same as the number of stages in the multi-stage coefficients.

     

Multi-stage Coefficients

Sets the multi-stage coefficient values, see Eqn. 58. The number of values in the vector indicates the number of stages.

     

Residual Smoothing Iterations

Sets the number of residual smoothing iterations using Eqn. 61.

     

Residual Smoothing Underrelaxation

Sets the residual smoothing under-relaxation factor , see Eqn. 60. The default value is 0.5.

     

Residual Smoothing

Enables or disables residual smoothing.

 

Ticked

Enables smoothing.

 

Cleared

Disables smoothing.

Expert Properties

For information about properties in the Expert category, see Expert Properties.

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