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Thermal-Flow Coupled Solution Parameters dialog box (Multiphysics)

Modeling Object
Name Sets the name for the modeling object.
Label Sets a unique numeric identifier for the modeling object.
Description Lets you enter a description for the modeling object.
Thermal-Flow Convergence Control
Communication Frequency Sets the communication frequency between the thermal and flow solvers for steady-state solutions. The specified value is the number of flow iterations which must take place before the thermal solution is performed.
Maximum Temperature Change Sets the value for the maximum temperature change of any convecting element between two consecutive iterations. When the temperature change of all convecting elements between two consecutive iterations is below the specified value, the coupled thermal-flow solution is converged.
Global Heat Imbalance Fraction Sets the value for the normalized heat residual in convective heat exchange between successive coupled iterations. When this heat imbalance reaches a value below the specified limit, the coupled thermal-flow solution is converged.
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Define coupled solution parameters

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Thermal-Flow Coupled Solution Parameters dialog box (Multiphysics), Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/xid1605917 · retrieved 2026-07-17