stops with no error

hane · May 12, 2015, 01:30

dear friends

i have a question about fluent
i could successfully compile 2 mass transfer udfs and a udf for monod reaction eq.
these udfs can be either interperated or compiled and hooked without a small error
before compiling these udfs i run the steadystate simulation for the hydrodynamics of the problem
now i changed the solver to transient,compiled all 3 udfs ,hooked them
all these processes was without any error
but when i run the simulation in transient,the simulation in the first iteration after reservation of flow in the pressure out let stops,with out printing any error messege. it just stops and the cursor turns from processing mode to regular mode
do u know any solution to this problem?
regards

hane · May 12, 2015, 01:41

i might add that i solve the problem in parallel mode
i have parallelized my udf
any fresh idea?

pakk · May 12, 2015, 03:57

Maybe a silly question, but did you set the number of time steps to be something bigger than zero?

hane · May 12, 2015, 07:42

Quote:

Originally Posted by pakk

Maybe a silly question, but did you set the number of time steps to be something bigger than zero?

yes my friend,any other suggestions are appriciated

May 12, 2015, 01:30	stops with no error	#1
hane New Member sarighulikhan Join Date: Mar 2014 Posts: 15 Rep Power: 12	dear friends i have a question about fluent i could successfully compile 2 mass transfer udfs and a udf for monod reaction eq. these udfs can be either interperated or compiled and hooked without a small error before compiling these udfs i run the steadystate simulation for the hydrodynamics of the problem now i changed the solver to transient,compiled all 3 udfs ,hooked them all these processes was without any error but when i run the simulation in transient,the simulation in the first iteration after reservation of flow in the pressure out let stops,with out printing any error messege. it just stops and the cursor turns from processing mode to regular mode do u know any solution to this problem? regards

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May 12, 2015, 01:41		#2
hane New Member sarighulikhan Join Date: Mar 2014 Posts: 15 Rep Power: 12	i might add that i solve the problem in parallel mode i have parallelized my udf any fresh idea?

May 12, 2015, 03:57		#3
pakk Senior Member Join Date: Nov 2013 Posts: 1,965 Rep Power: 26	Maybe a silly question, but did you set the number of time steps to be something bigger than zero?