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boundary condition in bouyancy induced flow

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Old   March 15, 2005, 02:26
Default boundary condition in bouyancy induced flow
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i have problem in assigning the boundary condition.

description of domain and problem: a plate of wave surface is placed in abient and is supplied with constant heat flux. i am solving for the temperature history of the fluid over the plate. as the driving force is only bouyancy and no force exist i have to consider the region effected by convection which changes with time. is there any alternative of representing boundary conditions. if i have to go for moving boundary how should i proceed. prashant
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