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meshing

meshing

(OP)
hi, it's me again, Russel.Currently i've using abaqus to analyze the thermal strees on the brake disc rotor surface.The problem is if i used the higher value of meshing the result temperature will exceed more than 4000 Celsius but if i used the lower meshing for example 5 global size compare to the earlier which is 0.01 global size the result temperature is not more than 700 Celsius. Can anyone help me on this..

RE: meshing

I'm not sure how you've managed to link temperature with mesh size, unless you've got some indeterminably case of applying a heat flux with no other boundary condition. I'd try and look at a simple case of using a 1D slice of the model where you can check the results from your model with a hand calculation.

corus

RE: meshing

(OP)
for boundary condition i used symmetry/antisymmetry/encastre. the only thing that ive change is only the global size.

RE: meshing

Encastre conditions apply to stress analysis. It's the boundary conditions you apply to derive your temperatures that is the important factor.  

corus

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