Biot Numbers and Model Meshing in Ansys Mechanical Means of reducing the problem include smaller elements, low-order elements, and hex meshing. The above temperature result is affected by the use of high-order elements, tetrahedral shapes, and high Biot numbers. In a test model, a rectangular block with an initial temperature of 300C has had a convection load of a fluid at 22C and a convection coefficient of 0.01 W/mm2 /C applied to five of its six faces:Īfter a short substep, temperatures that are greater than 300C are seen… this is not a physically realistic response: Industrial Equipment and Rotating MachineryĮxample | Thermal Analysis with Known Convection Load & Convection Coefficient.Torsional Vibration Measurements Testing.Fluid Flow & Thermal Applications (CFD).Electronic and Electrical Applications (EM).
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