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Questions related to FLUENT
Currently I am doing heat transfer numerical modelling using Ansys Fluent solver. I defined the case as transient with 45 max. iterations/ time step. During the numerical run, the iterations...
13 June 2021 1,360 3 View
Hi everyone. I am working on a project regarding gasification of lignite. The problem that i am facing in the problem setup is that when i select lignite-air mixture, i am not getting the desired...
27 May 2021 4,326 2 View
Actually i want to create new material in CST that follows drude model so i have to write equation for plasma frequency which is temperature dependent n that equation consist of exponential term...
18 May 2021 3,493 0 View
It's a vof model, pressure-based solver. As far I checked online we need flow velocity and other parameters to decide the time step. But I have just provided acceleration in X direction...
06 May 2021 9,333 4 View
I have a problem regarding the WSS conversion from OpenFOAM to Fluent. Actually, I can obtain WSS results in OpenFOAM but when I convert the results to Fluent, then WSS values are seen to be zero,...
06 May 2021 3,652 3 View
Hi all, I remember udf is used to define profile. Currently I need to 'input' the value at one boundary condition based on the value at another boundary. For example Avg...
04 May 2021 6,830 3 View
Hot oil flows through center with cold surrounding water flowing in the opposite direction. I have already chose boundary conditions: oil/water inlet: mass flow inlet oil/water outlet: pressure...
01 May 2021 4,524 3 View
Hello all, I am working on a thermal model in Ansys Fluent 2019 R3, with the geometries of 4 cylinders of different lengths. Three cylinders form an inner tube and one cylinder as an outer...
30 April 2021 7,691 1 View
I am trying to find the temperature gradient in the entire domain. While running the calculation in the ANSYS fluent 2021, R1, I want to be able to calculate the temperature gradient in the...
30 April 2021 6,526 0 View
I wanted to verify and confirm my Laval nozzle dimension in Ansys fluent, I did the right calculation and analysis for my nozzle with the right equation with the following conditions 1 atm exist...
28 April 2021 3,249 2 View
I am performing CFD simulation over a NACA 4418 airfoil on Ansys FLUENT and I have collected a data chart of NACA (from 1945) for the purpose of validation. The Reynolds Number chosen for this...
26 April 2021 3,975 4 View
I am trying to simulate a simple 2D piston, however keep receiving negative cell volume errors, see below. I have tried to reduce the size of the mesh, and also reduce the time steps but neither...
21 April 2021 4,470 10 View
Hello to all the researchers; I'm trying to do a simulation in Ansys Fluent in order to understand what is the thermal behavior of brake discs in a complete model of a F1 car. The CFD setup is...
21 April 2021 7,674 3 View
Hello researchers, Should I use a non-premixed combustion or a species transport model to simulate biomass gasification? I am starting to use ansys fluent to simulate biomass gasification, I am...
20 April 2021 2,636 3 View
I am working on a shell and helically coil tube heat exchanger as shown. The flow through the shell is laminar and through the coil is turbulent. Which model should I select from Fluent to solve...
20 April 2021 997 6 View
simulaion with ansys fluent i would validate my result (angle of separation . lenght of recirculation . distance between centre tow vortex)
19 April 2021 8,268 3 View
Dear connections, Since the Immersed Boundary Method (IBM) is very advantageous to create grid mesh for complex geometries, I would like to learn this method for coding purposes. I would...
19 April 2021 8,616 14 View
I have conducted combustion simulation using ANSYS IC engine fluent. When I am trying for the pre-combustion chamber, I cant able to decompose the section. Can anyone explain to me how to proceed...
18 April 2021 6,454 2 View
Dear all. I am exporting results from ANSYS fluent to CSV format yet when I open those with excel the two column supposed appear just in one so is there a way to separate that as the manual...
18 April 2021 4,141 3 View
I am trying to generate a hybrid mesh in ICEM CFD. I also manage to merge the mesh nodes of different types at the interfaces. however, after importing to ANSYS Fluent, the boundary conditions are...
18 April 2021 422 3 View
Hi, I simulate a wind turbine using Ansys fluent (3D simulation). My objectives are to study the rotor aerodynamic performances and to visualise the fluid flow around it. In the calculation step,...
17 April 2021 2,653 7 View
Hello all, Currently I'm trying to figure out how one can do electronics cooling (Thermal) analysis in Ansys Icepak. Is there any Ansys Icepak expert here who can guide me. I have fluid's volume...
15 April 2021 414 0 View
By using transition SST model to predict transition position, the value of intermittency must be given at inlet and outlet. The default value of the intermittency at inlet is 1. However, I noticed...
14 April 2021 424 1 View
I am trying to simulate a mixing process of Helium jet in atmospheric air. He is coming out from a tube of 4.6 mm inner dia with a Re number of 2500 where the air is considered stagnant. To set...
13 April 2021 5,742 1 View