Inputs and process for thermal model discretization for battery spatial temperature estimation

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Soham Dange 2024-8-15，5:09

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评论： Soham Dange 2024-8-21，4:30

Hi,

I am building a cell and module level battery model. I am using ECM for electrical model and want to use 3D discretized thermal model which I am building in Ansys.

Is there a way to connect this thermal model from ansys to simscape for spatial temperature distribution analysis? Also, if possible, how can it be done on a module level?

I am refering this example - https://www.mathworks.com/help/simscape-battery/ug/battery-spatial-temperature-variation-during-fast-charge.html

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Answer 1

Yifeng Tang 2024-8-20，13:49

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If you are thinking about running the ANSYS simulation and Simscape at the same time, with some kind of interface to pass along information, I would discourage you from doing that. Usually FEA and CFD simulation runs much slower than system-level simulation like Simscape, and you may not get what you envisioned.

If you are OK with running some simplified artefacts generated from ANSYS in Simulink, you can check out this page on reduced-order modeling: https://www.mathworks.com/discovery/reduced-order-modeling.html

I believe some of the examples are similar to what you are trying to do.

I would suggest that you start with less number of discretization, just to get a taste of the workflow and impact on the simulation speed.

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Soham Dange 2024-8-21，4:30

No, I am thinking to run the models simultaneously.

Yes, I am thinking of using the reduced order methodology.

In the example I have cited, the battery model requires discretization information for PDE solver or other solvers. I am thinking of using ANSYS for this. The custom block uses ROM implementation for thermal modeling. Hence, I wanted to know more details and exactly what data I would need from ANSYS for the block input.

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