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Thermal/Flow, Electronic Systems Cooling, and Space Systems Thermal > Solving the model > Solution Monitor

Coupled thermal flow convergence graphs

The Convergence window displays the following residual curves:

  • Surface temperature curve for elements that are in contact with the fluid. The maximum temperature changes are obtained from the thermal solver.

  • Imbalance heat curve for convected heat that is exchanged between the thermal and flow solvers.

Note:

To make the graphs readable when initial residuals may be very high, the solution monitor clips residual and temperature values sent to convergence graphs at a value of 20.

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Graphs in the Solution Monitor

Flow convergence graphs

Thermal convergence graphs

Fan curves graph

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Solution Monitor dialog box(Thermal/Flow/SST/ESC/Multiphysics/Simcenter Nastran/Samcef)

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Coupled thermal flow convergence graphs, Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/id1456149 · retrieved 2026-07-17