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May 30, 2004, 15:20
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how derivative at boundary set to zero?
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#1 |
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Guest
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Hi everyone. I want to set the derivative of velocity to zero at boundary.for example du/dx=0(derivative of y velocity to zero )at exit. please help me. thanks.
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May 30, 2004, 15:50
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Re: how derivative at boundary set to zero?
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#2 |
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Guest
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Hi everyone. I want to set the derivative of velocity to zero at boundary.for example du/dx=0(derivative of y velocity to zero )at exit. please help me. thanks.
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June 1, 2004, 12:01
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Re: how derivative at boundary set to zero?
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#3 |
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Guest
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Hi,
Choose the symmetry boundary condition, or wall boundary with zero shear stress. |
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June 1, 2004, 23:30
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Re: how derivative at boundary set to zero?
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#4 |
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Guest
Posts: n/a
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You could use outflow or pressure outlet boundary condition. They are first order extrapolating boundary conditions.
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