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Fluent / Re: How can I calculate time-average velocity in transient simulation?
« Last post by Prakash Singh on February 15, 2021, 02:18:20 AM »
I am not able to find the attached file.
Can you send me at   prakash12me124@gmail.com
I am facing the same type of problem. Please help me out. Thanks in advanced.
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Fluent / Re: What is the macro to access the level-set function in a UDF?
« Last post by infocfd on December 27, 2020, 05:26:28 PM »
Thank you for your quick reply.
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Fluent / Re: What is the macro to access the level-set function in a UDF?
« Last post by william on December 27, 2020, 05:23:29 PM »
The Level-set function can be accessed using the C_LSF(c,t) macro, where 't' is the phase thread pointer in Fluent.

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Fluent / What is the macro to access the level-set function in a UDF?
« Last post by infocfd on December 27, 2020, 05:22:15 PM »
I want to access the level-set function within a UDF for an interface. Please tell me if there an any macro for that.

Thank you.
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Fluent / Re: Error: "ST_Create_Store: out of memory" in out file.
« Last post by william on December 27, 2020, 05:18:33 PM »
I am getting the following Error: "ST_Create_Store: out of memory" in out file.

Please tell me how to fix this error.

Thank you.

This error arises because of the system configuration. It also arises when the problem is more complex geometry and complex physics like reacting flows, multiphase, CHT etc.
In case of heat transfer when the user tries to solve convection then the simulation will work fine but if radiation is also involved then this error arises.
Hence it is recommended to use high end configuration system.
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Fluent / Error: "ST_Create_Store: out of memory" in out file.
« Last post by pitney1 on December 27, 2020, 05:16:38 PM »
I am getting the following Error: "ST_Create_Store: out of memory" in out file.

Please tell me how to fix this error.

Thank you.
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Thank you so much.
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Ansys Fluent has inbuilt compiler in 2020R2. Instead of Visual studio compiler, you can select "Use Built-In Compiler" after selecting the UDF file and then click the build button.
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I get nmake error when I try to compile the UDF in 2020R1 with Visual Studio Express edition. Please help.
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Fluent / Re: Can I get the number of faces in a boundary zone to use it in a variable?
« Last post by william on December 27, 2020, 04:44:08 PM »
Hi,

How can I get the number of faces in a boundary zone to use it in a variable in Fluent?

Thanks.

Create a variable, then use the following Scheme code snippet

(define (ncf ct_id) (car (%inquire-faces-and-nodes-on-thread ct_id)))

Then just use

(ncf 4)

to get the number of faces in thread with ID 4.
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