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Node 999999: Process 28016: Received signal SIGSEGV

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Old   August 28, 2022, 04:53
Default Node 999999: Process 28016: Received signal SIGSEGV
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Amin
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Hi everyone,
I am simulating two phase flow, and I use UDF for boundary condition. The UDF contains "Define profile" and "Define execute at end" macros. There are two versions of Fluent on my computer, 19.2 and 2022, and their directory(installation drive) are the same. The UDF worked well for 19.2 version, but when I ran it on 2022 version, the following error occurred:


Node 999999: Process 28016: Received signal SIGSEGV.

================================================== ============================
The fl process could not be started.
----------------------------------------------------
In documentation is said if you don't delete previous version, the directory of src/udf would not create, which is the case for me. For newer version, the directory didn't create. Could be this the cause? If yes, Should I delete previous version, and then reinstall new one?
Also, I couldn't run the UDF in parallel in either version. I compiled it as interpreted.
What is the cause? How Can I solve it? If I use compiled option, could it be helpful?

Last edited by maba; August 28, 2022 at 16:01.
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Old   August 28, 2022, 11:32
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Quote:
Originally Posted by maba View Post
Hi everyone,
I am simulating two phase flow, and I use UDF for boundary condition. The UDF contains "Define profile" and "Define execute at end" macros. There are two versions of Fluent on my computer, 19.2 and 2022, and their directory(installation drive) are the same. The UDF worked well for 19.2 version, but when I ran it on 2022 version, the following error occurred:


Node 999999: Process 28016: Received signal SIGSEGV.

================================================== ============================
The fl process could not be started.
----------------------------------------------------
Also, I couldn't run the UDF in parallel in either version.
What is the cause? How Can I solve it?
Hi, maba:
i had the problem when i began to learn UDF. The problem disappeared until i checked the UDF and modified something wrong. I suggest that you may check whether the UDF is right.
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Old   August 28, 2022, 15:59
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Quote:
Originally Posted by Marmalade View Post
Hi, maba:
i had the problem when i began to learn UDF. The problem disappeared until i checked the UDF and modified something wrong. I suggest that you may check whether the UDF is right.
Did you have the same problem? I don't think the udf has a problem. Because it works well in old version.
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Old   August 29, 2022, 04:53
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compile udf, show log
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Old   September 1, 2022, 16:23
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Quote:
Originally Posted by AlexanderZ View Post
compile udf, show log
There's no error, when I compile the udf. The error occurs, when I run the simulation.

What do you mean by log? you mean text in console tab in fluent? Or another file?

cpp -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/src/main" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/src/addon-wrapper" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/src/io" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/src/species" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/src/pbns" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/src/numerics" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/src/sphysics" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/src/storage" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/src/mphase" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/src/bc" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/src/models" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/src/material" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/src/amg" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/src/util" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/src/mesh" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/src/udf" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/src/ht" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/src/dx" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/src/turbulence" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/src/acoustics" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/src/parallel" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/src/etc" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/src/ue" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/src/dpm" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/src/dbns" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/tgrid/src" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/cortex/src" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/client/src" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/multiport/src" -I"D:\Program Files\ANSYS Inc\v221\fluent\fluent22.1.0/../include" -I. -DUDFCONFIG_H="<C:/Users/mab12/AppData/Local/Temp/udfconfig-5256-node0.h>" "C:/Users/mab12/AppData/Local/Temp/FlowrateAdjusttwo.c.5256.0.c"
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Old   September 4, 2022, 06:36
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Quote:
Originally Posted by AlexanderZ View Post
compile udf, show log
Do you mean this file?

Node 999999 Fatal signal raised sig = Segmentation fault
44648430 CX_Primitive_Error
fe350cc0 seh_filter_exe
446e8150 logical_right_shift
eb9bec30 _C_specific_handler
c92180 _chkstk
c41020 RtlRaiseException
c90da0 KiUserExceptionDispatcher
43b40130 init_cell_vector
446e8150 logical_right_shift
429aaa90 fluent_fprintf
446d3610 eval
446d3610 eval
446d3610 eval
446d3610 eval
446d4c70 set_cc
446d5420 eval_errprotect
446d3610 eval
446d3610 eval
446d3610 eval
446d3610 eval
446d4c70 set_cc
446d5420 eval_errprotect
44649390 CX_Interpret_String
42a20820 rpgetvar_errprotect
446e8150 logical_right_shift
ff2f7020 BaseThreadInitThunk
c42630 RtlUserThreadStart

Error [node 999999] [time 9/4/22 14:2:24] Abnormal Exit!
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Old   September 6, 2022, 03:41
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once you click build in FLUENT GUI you have some text in console, I need that text.

information you've showewd is not full, doesn't show anything, actually

Quote:
I compiled it as interpreted.
compile it, not interpret

check if you allocated uaser define memomy locations.
next time show your code, to save time of people who a re trying to gess, whats wong with your case
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