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Boundaries and conservative variables

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Old   April 2, 2011, 03:50
Default Boundaries and conservative variables
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We know that for we have not missed information by boundaries of a computational domain, we must set as physical boundaries the charecteristic variables as much as number positive speed of waves.
If we use conservative variables for imposing the physical boundaries, what compinations can be considered right for well-posed problem?
For example, At inlet of subsonic flow, must be set same number of conservative var. as charact. var.?
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