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-   -   RE: UDF int expectedchip-exec type error (http://www.cfd-online.com/Forums/fluent-udf/118961-re-udf-int-expectedchip-exec-type-error.html)

yashganatra June 7, 2013 06:41

RE: UDF int expectedchip-exec type error
 
1 Attachment(s)
Attached is the UDF - I have combined two UDF's from the tutorial regarding giving an inlet velocity profile and a source term in the X-momentum eqn. Separately they are working fine but when I combine them by interpreting, this the error:

Error
chip-exec: combined: wrong return type:
float udf function expectedchip-exec: combined: argument 1:
incorrect type (38): int expectedchip-exec: combined:
argument 2: incorrect type (5): pointer expectedchip-exec: combined:
argument 3: incorrect type (0): pointer expectedchip-exec: combined:
argument 4: incorrect type (0): int expected

Also I have a fundamental doubt:
In a UDF like this where I have inlet velocity variable and also a source term, I will hook the UDF in Inlet velocity and Sources ; the same UDF is attached to inlet velocity and momentum eqn ; but how does FLUENT distinguish between the application of these two? What if it confuses between the condition?

I hope I have made my point clear. I am a beginner and learning about UDF


Thanks,
Yash

yashganatra June 7, 2013 08:33

I got the solution after scouting around earlier threads.


Yash

HPUR April 15, 2015 19:42

having the same problem
 
Hi,

I'm getting the same error .Could you please let me know how did you figure out to eliminate this error?

Thanks


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