How do I account and solve for mesh convergence issues in ANSYS for rectangular channel?

B_RahmanB_Rahman Member Posts: 17

For more on geometry and parameters itself, see

https://www.researchgate.net/post/Troubleshooting_Why_are_there_different_results_for_different_mesh_on_exact_same_geometry_Rectangular_channel

I gradually increased the node count, and the pressure drop keeps increasing, diverging more and more away from the analytical solution, but suddenly comes back close to the analytical solution. I was wondering how this can be explained and how the general accuracy of this model and ANSYS calculations can be assessed?

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