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March 22, 2011, 11:29 |
Time varying velocity BC
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#1 |
New Member
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Hello,
I need a sinusoidal time varying UDF for my problem , I am kind of new to fluent , please direct me , any time varying BC tutorial is helpful but couldnt find any on google Thankyou Tejasvi |
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March 22, 2011, 12:27 |
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#2 |
Senior Member
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Hi,
if you are new in UDF, it will be better to use other ways like defining a profile. refer to: <defining transient boundary conditions> in user guide (7.1.9 in FLUENT 6.3.26) |
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March 22, 2011, 13:06 |
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#3 |
New Member
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thanks for the reply, I will try that out , meanwhile I have written an UDF , does this look reasonable
#include "udf.h" DEFINE_PROFILE(transient_velocity, thread, position) { float t, velocity; face_t f; t = RP_Get_Real("flow-time"); velocity = Sin(40*3.14*t); begin_f_loop(f, thread) { F_PROFILE(f, thread, position) = velocity; } end_f_loop(f, thread) |
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March 22, 2011, 13:41 |
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#4 | |
Senior Member
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it needs some changes:
Quote:
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