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Wall movement with acceleration/stationary and deceleration function

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Old   November 11, 2010, 08:13
Default Wall movement with acceleration/stationary and deceleration function
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Arian
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Hi everyone,

Unfortunatly I dont see the possibility to enter a velocity function of a wall moving like:

v(t)= 1,2*t for t<5s
v(t)=6 for 5s<t<8s
v(t)=15,6-1,2t for 8s<t<13s

How can I enter such a verlocity profile in FLUENT? Can you help me, please? thanks
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udf velocity, wall boundary conditions

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