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what are space discretization errors and time discretization errors?

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Old   October 19, 2013, 00:44
Default what are space discretization errors and time discretization errors?
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Jatuporn Thongsri
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I am a beginner in CFD. Please explain me the following words:

The level of grid dependence of results, and space discretization errors.
The level of convergence in time , and time discretization errors.
The methodís iterative convergence for the cases presented.

How to prove and how to determine them. Sorry in my bad English.

Thank for your suggestion.
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