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Questions tagged [fluent]

23 questions
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1 answer

How to force creating a conformal mesh interface between zones in Fluent?

I am trying to perform simple 2D CFD analysis on Fluent having 3 adjacent zones(inlet, porous and outlet). The problem I have is whenever I select non-equilibrium thermal model in porous zone in Cell Zone Conditions (as follows) I get the…
Algo
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Flow rate at the vent exit

I am working on a vent. The vent is attached to a box and is designed to extract air out of the box using the venturi effect. Air is made to flow over the vent which creates a significant pressure difference between the face of the vent and the…
jaisingh
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How to simulate an exhaust fan condition in ANSYS Fluent?

I'm trying to simulate a model which has one inlet and three outlets, and I'm passing air through it. Now, I want one of the outlets to have exhaust fan. I see options of exhaust fan and outlet-vent in the boundary conditions. So how should I…
Giri
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Cold Plate Thermal Resistance

I am designing a cold plate that will have 4 Power Modules Mounted on it. The total power loss from the modules is 5000W(1250W per Power Module). I have simulated the results on ANSYS Fluent and obtained the surface temperatures. Now I am trying to…
Izzat Bin Afiff
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Ansys Fluent - Turbulent model and mesh

I am currently working on a project that involves CFD simulation on ANSYS and i need some help as it has got me stuck. I am designing a faucet atomizer and it's functioning is similar to a nozzle. I have designed it on CATIA and am trying to analyse…
Siddharth Vohra
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Ansys Fluent: how to change the temperature digit precision in writing to file XY-plot?

I want to write to file data from XY-Plot with temperature depending on the location. In Axis menu I set a max precision (9) for X and Y. However, Fluent writes data like this 293.094 0.000364067 293.094 0.000361604 293.094 0.000359141 293.095…
Alexandra
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1 answer

How can i calculate drag on an Angled area?

I want to calculate drag force at special angle on a sphere . There are some grooves on the sphere and these groove have a special angle on the sphere. In other words, I want to calculate drag force on the these grooves. How can I do it in Fluent?
user19061
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Edge sizing control is applying number of divisions and biasing unexpectedly

When I generate Mesh elements in Ansys Fluent, they aren't generated as expected with the edge sizing control. I've set the Edge Sizing control of this edge with these settings: (Number of Divisions: 20 and Biased): With these settings it's…
Omar
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Modelling Convection in Fluent

I am new to Ansys Fluent and am trying to model heat transfer through a system of fins. The analysis is in 3D. I have set the Energy Equation as ON. The problem is that when I set heat loss by convection in the fins, a heat transfer coefficient is…
Aditya Paul
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Importing a time-temperature list into Ansys Fluent for simulation

I am using Ansys Fluent for my simulation. I have a series of connected U pipes surrounded by a hot block (343K) with an inflow of cold water (298K) which is discharging the block. I would like to simulate only one U pipe with the block around and…
user11287
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Display Pressure coefficient for multiple points at across the span line of an airfoil in fluent

Learning to use ANSYS Fluent as part of my computational engineering course I have previously modelled a 2D wing and been abled to XY plot for the pressure coefficient against x coordinate. my struggle is when within a 3D case, how do you plot…
Xray25
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Which ANSYS modules do we need if we want to do the coupled simulation of motor?

There are more than electromagnetic field in real motor running, for example, the electromagnetic field will couple with temperature field and the fluid field of cooling fluid will affect the temperature field and in some motors there will be great…
fhrl
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Pressing a fluid onto a structure in ANSYS Fluent

I have a spefific problem which I tried to solve with Ansys Fluent and Transient Structural but I did not manage to get a solution so far. I am happy for any kind of help. I want to press a block of viscous fluid onto a surface with some structural…
Chris
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Employing a deforming mesh, inlet, and no shear wall in ANSYS

I am interested in running a simulation in ANSYS Fluent (or CFX, whichever is more useful) that combines the following. Update: A rotating wing in the air, similar to a turbine blade. After experimenting with a sliding grid I've come to the…
WnGatRC456
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Heat transfer coefficient in forced convection and its dependence of temperature

I'm working on a Ansys Fluent of an Aluminium coil annealing furnace with the goal of estimating the heat transfer coefficients at different temperatures and ventilator/fan speed conditions. The furnace transfers heat coils by blowing hot air…
Ash
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