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Published byCordelia Hopkins Modified over 4 years ago

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Conservation of momentum also known as: Cauchy’s equation Relation between stress and strain rate 4 equations, 12 unknowns; need to relate flow field and stress tensor Navier-StokesEquation(s)

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Boundary Conditions Determine the actual solution For example, for a simplified form of: z = 0 at the surface; positive upward

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We can specify KINEMATIC and DYNAMIC boundary conditions

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KINEMATIC boundary conditions The boundary must remain a material surface for the two media limited by the boundary if boundary is rigid – no flux across boundary velocity normal to the surface is the rate at which the boundary moves for the ocean’s surface

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DYNAMIC boundary conditions no slip free slip Quadratic stress linear stress

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