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Forum: FLUENT Today, 11:35
Replies: 1
Views: 43
Posted By LoGaL
So, I think you need to subtract the wing so as...

So, I think you need to subtract the wing so as to get the flow domain, but the wing solid domain must still exist. Then the two body together (flow and wing) will have a interface where the CHT...
Forum: FLUENT Today, 06:32
Replies: 8
Views: 1,545
Posted By nahian_masud
Hi, Could you solve the problem? I am trying...

Hi,

Could you solve the problem? I am trying something like this.
Forum: FLUENT Today, 06:32
Replies: 1
Views: 43
Posted By Amsbaoc
Conjugate Heat Transfer in Shell bodies

Hello, I am doing a structural optimization of a supersonic fighter jet wing for my end of degree thesis. To do so, I need to consider the effect of aerodynamic heating to assess thermal stresses in...
Forum: FLUENT Today, 04:32
Replies: 0
Views: 38
Posted By azadaqil
Unhappy Encounter with CAD Importing Problem

I've used fluid flow (meshing with fluent) in Workbench 2024 R1. Using SpaceClaim as the platform to design my model. While using the Watertight Geometry workflow, I encountered a problem with...
Forum: Fluent UDF and Scheme Programming Today, 03:59
Replies: 0
Views: 47
Posted By Chhotelal1234
Floting point expection after simulating case and data file

Dear expert,
could you please tell me why the floating point exceptional problem is occurring while I read the after-timesteps case and data file?
I am solving the 2D case with the UDF function...
Forum: FLUENT Yesterday, 18:45
Replies: 4
Views: 482
Posted By Arash_Fakharnezhad
Hi Fabio, Thank you for your reply. An...

Hi Fabio,

Thank you for your reply.

An Ansys Employee replied to my question and I found that the UDF is actually only allowed for Pdf based combustion models. Here, I am using the species...
Forum: FLUENT Yesterday, 13:52
Replies: 0
Views: 42
Posted By fre20
Unexpected velocity profile

Hi all. I'm trying to do a validation with fluent, on methane combustion. In the attachments the mesh, temperature and velocity profiles are shown. The paper im comparing to is using a local...
Forum: FLUENT Yesterday, 13:36
Replies: 0
Views: 37
Posted By voidcrow
How to set up a semi-permeable interface?

I am attempting to simulate an alkaline water electrolyzer, which has a porous separator that is supposed to block the flow of gases (hydrogen, oxygen) but not the liquid solution (water + potassium...
Forum: FLUENT Yesterday, 05:23
Replies: 0
Views: 56
Posted By omar ennaya
Nusselt number in ansys fluent?

Hello everyone
I wanna calculate the nusselt number in ansys fluent for a triple pipe geometry, and i'm not sure about the right way to do that.
If someone know the correct steps to do.
Thanks in...
Forum: FLUENT Yesterday, 04:57
Replies: 0
Views: 40
Posted By jimbeet
How to simulate a spinning golf ball in ANSYS Fluent

How do I simulate a spinning golf ball in Ansys fluent. I am still new in using Ansys fluent and trying to simulate a spinning golf ball with dimples to study its drag and lift coefficient when the...
Forum: FLUENT Yesterday, 04:11
Replies: 0
Views: 41
Posted By tkor
mesh interface

I want to connect two fluid areas with a mesh interface. if I want to connect 360° faces, I have two options

1. Create a mesh interface using the "frozen roter method".
(Domain →...
Forum: FLUENT Yesterday, 03:08
Replies: 2
Views: 60
Posted By iamdesperate
The UDF:

/*********************************************************************
UDF that simulates solidification by specifying a temperature-
dependent viscosity property ...
Forum: Fluent UDF and Scheme Programming Yesterday, 02:52
Replies: 0
Views: 34
Posted By poodleflour
UDF for 3D Dissolved Oxygen Model

Hello everyone,

I'm currently trying to do a 3D transient simulation to determine dissolved oxygen concentration in a pond. I'm using an impeller to create circulation in the pond. There are two...
Forum: FLUENT Yesterday, 02:28
Replies: 0
Views: 27
Posted By lionxx
Unusual liquid velocity and bubble size distribution by using PBM

Hello, everyone!
I am simulating gas-liquid-solid three-phase mass transfer. Also I want to simulate the aggregation and breakage of bubbles, but I am distressed with the fact that after adding the...
Forum: FLUENT Yesterday, 02:16
Replies: 0
Views: 45
Posted By halihosa
Connect two fluid zones in hydrogen dispersion modeling

Hello
I'm new to Ansys fluent and I have been struggling for a while with this.
My task is to assess the safety of hydrogen diffusion in cars during accidental leakage as described in Fig. 1...
Forum: FLUENT Yesterday, 01:25
Replies: 3
Views: 2,878
Posted By aneesham75
I am also doing the same problem. It would be...

I am also doing the same problem. It would be helpful for me if you send the code to my mail( aneesham7589@gmail.com)
Forum: FLUENT Yesterday, 00:02
Replies: 0
Views: 44
Posted By _giselle_
Temperature contour looks wierd at inlet and outlet.

Hello. I am doing a heat exchanger for class. I did meshing in Ansys fluent meshing watertight flow. I think there is something wrong with the interface between the shell and tube since they share an...
Forum: FLUENT April 29, 2024, 14:25
Replies: 7
Views: 1,755
Posted By Amit@455
Hi Hossein/Pancard Facing the same issue.. my...

Hi Hossein/Pancard
Facing the same issue.. my solid metal is deforming even before the it reached solidus temperature. Please help.
I have tried by taking surface tension as zero below solidus...
Forum: FLUENT April 29, 2024, 14:18
Replies: 2
Views: 60
Posted By CFDKareem
Can you post the UDF you are using?

Can you post the UDF you are using?
Forum: FLUENT April 29, 2024, 11:25
Replies: 0
Views: 50
Posted By _martin_
What does this Share Topolology Warning Mean?

Meshing a 3D arched geometry and getting many of these warnings. The geometry is clean and shouldnt intersect. The geometry does sit in an enclosure required to regulate external conditions.
...
Forum: FLUENT April 29, 2024, 09:12
Replies: 4
Views: 482
Posted By fabiu50
Hello Arash, This is rough without seeing...

Hello Arash,

This is rough without seeing the UDF itself.
Do not forget to include the
#include "udf.h"
#include "sg_pollut.h"
In the beggining of your UDF.

Anyway, this could be something...
Forum: FLUENT April 29, 2024, 06:31
Replies: 2
Views: 60
Posted By iamdesperate
Exclamation Error: Divergence detected in AMG solver: species-0

Hi i am trying to run a simulation for a pipeline with natural gas that is injected with H2 (vertical pipe).

The simulation runs fine when i am not using udf (so the mesh and setup,...
Forum: FLUENT April 29, 2024, 05:50
Replies: 1
Views: 726
Posted By Davidomero
I stumbled upon your post while browsing through...

I stumbled upon your post while browsing through the forum, and I totally get your frustration with Fluent stopping calculations when you're connected to VPN. It sounds like you're dealing with quite...
Forum: FLUENT April 28, 2024, 19:59
Replies: 4
Views: 482
Posted By Arash_Fakharnezhad
Hi Fabio Could you please help me with the...

Hi Fabio

Could you please help me with the following issue if you are familiar with this model?

I'm currently utilizing the Moss-Brookes model within the species model framework for predicting...
Forum: FLUENT April 28, 2024, 18:11
Replies: 0
Views: 49
Posted By MahmutGüvenç
About Temperature errors.

Hello everyone. I want to do hot air analysis in an industrial furnace, but I get some errors. The parameters I have set in the Fluent section go up to 5000k, although I enter a temperature value of...
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