Modeling > Modeling Space, Time and Motion > Modeling Time > What Is the Implicit Unsteady Solver?

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What Is the Implicit Unsteady Solver?

The Implicit Unsteady solver is activated by the Implicit Unsteady model. Its primary function is to control the update at each physical time for the calculation. It also controls the time-step size.

Properties
     

Freeze Time

Affects whether the time value is advanced or not.

 

Ticked

The time value is not advanced.

 

Cleared

The time value is advanced.

     

Time-Step

The physical time-step.

Expert Properties
     

Solver Frozen

Prevents or allows the solver from updating the solution while iterating.

 

Ticked

The solver will not update the solution.

 

Cleared

The solver will update the solution.

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