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<p>Dear users,</p>
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<p>I have a channel simulation where I set the boundary condition of one of the domain side as 'v' (in the box file). Then in the userbc subroutine, I define the velocity at that boundary as a constant (say 0.1). After I run my simulation and visualise the
result, the velocity at that boundary is not exactly the constant I put in the user file. Do you have any idea how this could happen?</p>
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<p>Thank you in advance.<br>
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<span style="font-size:11pt; font-family:Helvetica,Sans-Serif">Best regards,<br>
<br>
Toon</span><span style="font-family:'Trebuchet MS',sans-serif; font-size:11pt"><br style="font-family:'Trebuchet MS',sans-serif">
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