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Questions related to FLUENT
What does the interphase mass transfer coefficient mean and I'm asking my question specifically regarding the "per phase" option. What does that mean? Which options are recommended say, for...
13 April 2021 9,618 2 View
Can you help me? boundary conditions and cell conditions porous zone values material is sentetic fiber filter
09 April 2021 262 0 View
Hi, I am trying to model gas/solid multiphase granular flow with chemical reactions in Fluent. The solid phase is FCC catalyst together with the coke (hydrogen + carbon) deposited on its surface...
05 April 2021 2,441 3 View
Hello everyone, This is Johnny here . I am doing simulation in mixing tank using SST K-omega model and I have a question regarding convergence. When I used the first order upwind for momentum ,...
05 April 2021 2,083 3 View
Hi, I am using transient simulation in fluent. In the inlet boundary condition, I have to put the value of turbulent length scale. How can I decide it for wind turbine blade model? Thank You.
02 April 2021 5,867 3 View
Hi, I am simulating a 60 degree sector mesh of diesel combustion in FLUENT and I need some help on plotting the graph for the heat release rate or rate of heat release as I could not seem to find...
02 April 2021 2,136 2 View
In my problem, inlet temperature =2°c Cylinder wall temperature =35°c Nozzle to cylinder distance =120 mm Nozzle dia=30mm Cylinder dia=35 mm I need to plot a nusselt number vs Reynolds number...
01 April 2021 6,460 1 View
It would be of immense help if anyone can suggest to me the different ways to incorporate the porosity expression in the fluent e.g. via UDF or others. I have tried to incorporate it via UDF but I...
25 March 2021 8,608 2 View
I am currently working on unsteady heat addition to an inviscid flow which is similar to Rayleigh flow. But the only difference being that I am trying an unsteady heat supply along the entire tube...
24 March 2021 1,346 7 View
I am testing a vertical turbine by using Ansys Fluent with the sliding mesh technique. What I am doing is that I give a specific angular velocity and I get the torque to apply it in an equation to...
24 March 2021 3,289 9 View
Hi all, I am trying to simulate methane-air combustion using 2 D and 3D geometry but after 6 or 7 iterations i am getting divergence in temperature error. Can anyone help me to overcome this...
19 March 2021 6,978 8 View
Hi people! I'm doing a project where I need to simulate human breath, so I have to set one face as inlet during inspiration and, after this, this same face should be set as outlet. Is it...
18 March 2021 4,589 9 View
In ANSYS 2 way FSI guide, they input the value of the force in transient structural setup bloc. while they do not mention that in the fluid side ( Fluid fluent) even that we identify the...
15 March 2021 9,664 3 View
Dear all, I am meshing an annular tube inside a fluid domain (attached images). This tube has fluid flowing through it. Also, there is fluid outside of it. My problem is: I am trying to generate...
15 March 2021 2,449 10 View
Hello I am learning how to use the Ansys Fluent software, and could not find a way to implement a chemical reaction in the form of: R = k/(1+K.Ca) I could only add chemical reaction equations...
14 March 2021 9,955 1 View
Hello everyone. I'm trying to simulate the diffusion of H2S in a room. Floor is defined as the mass-flow-inlet, and H2S is the only pollutant from the floor. I was wondering the mass flow rate is...
09 March 2021 2,692 3 View
I am trying to model a dam-break flow and I can create the animation using a VOF model and a 2 phase contour diagram, however I am met with this blank input box when I try to define my animation...
04 March 2021 9,584 1 View
Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?
02 March 2021 10,314 3 View
I follow this to make streamlines like the photos attached below: (software- CFD post-processing) First I plot the 2D streamline over a surface "streamline 1". them I plot a vector by the...
02 March 2021 9,120 3 View
I am trying to do the actuator line modeling (ALM) of a wind turbine. I want to know how can I implement it with Fluent. In ALM, forces are distributed on a rotating line representing the loads on...
02 March 2021 5,425 1 View
Why Green-Gauss Node Based Gradient Evaluation is preferred over default Green-Gauss cell Based in ANSYS FLUENT?
02 March 2021 2,433 2 View
How can one improve mesh skewness, orthogonality, aspect ratio?
01 March 2021 8,222 3 View
I am doing a 3D steady simulation of a wind rotor using Ansys Fluent. In order to have a y+ of 1, I created 10 inflation layers using total layer thickness method, and I started a first...
24 February 2021 3,227 3 View
I have a Define_CG_Motion udf written in c where do I add it to my Ansys fluent project and does it need to be compiled before that?
22 February 2021 9,581 3 View