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Effect of Grid Size

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Old   November 19, 2009, 00:47
Default Effect of Grid Size
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Ameya Durve
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Hi,
I am doing simulations for a reaction in a pipe type geometry. I divide the geomertry in five zones in order to do different size meshing.In first case meshing of 0.5mm Hex through out domain has been done and in second case 0.5mmHex for first three zones and 1mm Hex in fourth and 1.5mmHex in fifth zone. i am geeting better predictions in second case.
Can anyody know the reason?
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