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Mays

Cell dimension change more than 50% in .............

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Dear colleges

can any one tell me what is the wrong with this message and how to solve it please 

 

Cell dimension change ..........

 

THANX IN ADVANCE 

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Note that it is just a warning and not an error.  The model will still run. 

Typically, it is preferred to have cell sizes transition from smaller to larger without too big of a jump.  Better for numerical calculations.  This warning is probably due to your layer thicknesses being more than 50% different....and is not unusual, especially when dealing with lower layers in a model.

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If you have refinement on, please check your "bias". reduce that number. you can get rid of them. However that might results in a higher resolution grid, which might lead to higher computational times

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