Parameter stepping in coupled analysis
 

arameter stepping in coupled analysis - I aim to perform a simulation involving a Peltier module that is cooled by a water radiator on its hot side. The cold side consists of a PCB enclosed in a metal case with air.

To model the Peltier module, I utilize the Thermal-Electric solver, while other components are simulated using Fluent.

When I set up an electric current through the Peltier module and initiate water flow in the radiator, the system operates effectively, producing a realistic temperature distribution.

However, I encounter a problem when attempting to step the current from 0 amps to 1.5 amps in increments of 0.1 A. I configure this parameter stepping in the Thermal-Electric solver, defining 15 steps with tabular current data. In the coupled analysis settings, I also set 15 steps. As for Fluent, I couldn't find any relevant settings, so I left them unchanged.

After completing the simulation, I obtain 15 results, but approximately half of them appear highly unrealistic. I am uncertain about the cause of this issue. Is it possible to conduct such simulations in Ansys? Are there any additional settings I need to configure for accurate results?