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Questions related to FLUENT
In ANSYS Fluent, particles are tracked in a Lagrangian frame using DPM. I am trying to track the KCl particle trajectory of 10 microns in an STR by injecting them from a certain height. Here are...
03 December 2020 5,366 1 View
Hello all, I am an undergrad student in Mechanical Engineering and have just started working with ANSYS Fluent. Pre-covid I was working on "Cylindrical Bluff Body Drag Reduction". I have been...
30 November 2020 8,804 4 View
Hi, I am not familiar with C programming but I needed to write a udf file to employ in my cfd thermal analysis of a 2D enclosure. How would I go about it? Attached is a file that I have written...
24 November 2020 666 3 View
I am using discrete phase model in Ansys fluent in a "gas cooler". The flue gas is being cooled by sprinkling water from nozzles. There are array of nozzles and in total there are around 200...
24 November 2020 4,878 1 View
I am working on the heat transfer performance of a double pipe heat exchanger with twisted tape . In Ansys am stuck in mesh quality. Currently, my average skewness is 0.16 and orthogonal quality...
24 November 2020 7,158 3 View
Hello, I am doing SIMULATION of TURBULENT PREMIXED FLAMES of CH4/NH3/air in Ansys Fluent. I am using the following: Partially Premixed Combustion Model; Chemical Equilibrium; Extended Coherent...
18 November 2020 5,194 2 View
Hello, I am using ansys fluent to simulate a steady state phenomenon, even though the residual curves are absolutely flatten, pathlines keep changing their patterns over more iteration. I was...
13 November 2020 2,412 3 View
Hello, I am dealing with error during lounching 2 Way FSI in ANSYS Workbench. Setup of the Fluent is ok (stand alone I am receiving expected results) and FEM uses Transient Structural. Once I run...
12 November 2020 4,220 4 View
I have started working on viscoelasticity (with very limited background) and our preferable model in this study is Giesekus. We have Capillary Rheometer and Rotational Viscometer accessible in the...
11 November 2020 1,697 1 View
I am trying to make an UDF for additive manufacturing (material deposition on a flat plate) where there is moving heat source on the substrate and mass source added to the melt pool. For this I...
10 November 2020 1,914 2 View
Hello everyone I need to simulate a counter-current flow between air and water droplets (in direct contact) which by evaporative cooling give rise to a cooling of the wall on which the droplets...
08 November 2020 5,593 2 View
Hi all, I have 2 .stl files which are 2 organs of the inner ear. They are segmented from CT slices and exported separately as 2 .stl files. Some parts of the 2 organs should be contacted...
08 November 2020 1,099 14 View
Problem description: I am using ANSYS Fluent (multiphase VOF & solidification and melting model) to simulate laser welding process. Is there any possibility of establishing a fully coupled...
06 November 2020 1,017 1 View
Hello, i am trying to simulate two PCMs in a domain. I assigned their material properties in materials tab. However, when i go to cell zone condition, i can only put one value for boussinesq...
05 November 2020 4,122 3 View
Hello everyone I have results from fluent and I want to determine area with magnitude less than specific number for example for velocity or TKE. and also how can I determine Max and min diameter...
03 November 2020 5,992 3 View
I am trying to develop a model for partially-premixed stratified combustion in ANSYS Fluent, which will have 3 separate streams with different equivalence ratios. I know that the 'secondary...
28 October 2020 5,773 1 View
I am trying to model the coal gasification on fluidized bed. For this I need to define the chemical reaction of coal devolatilization in Fluent. Could you please help me how we can determine the...
22 October 2020 5,992 3 View
I am trying to obtain the lift coefficient plot for a circular cylinder at Re = 200 (density = 100, velocity = 20 and viscosity = 1 kg/ms). I am using ANSYS Fluent to simulate a transient flow...
22 October 2020 2,556 4 View
In a conjugate heat transfer problem, I need to define a coupled wall between solid wall and fluid. I made an interface between them. Two walls were created e.g. x-wall, x-wall-shadow, and...
18 October 2020 3,028 10 View
In the simulation tutorial of the aeroacoustics around a cylinder by ANSYS, recievers are placed at a location where mesh isn't present, how does the solver predict the acoustics at that location...
17 October 2020 3,544 5 View
I am trying to model a jet fan being installed in a room. I want to study the flow of the fan coming out of the outlet (basically the development of streamlines). The walls of the room are...
13 October 2020 5,283 3 View
Looking towards an incompressible flow (with K-e, turbulence model), with mass flow/velocity inlet and Pressure outlet boundary condition. Which initialization method preferred? How far it can...
06 October 2020 6,059 5 View
I'm currently working on a project that is using the SST k-w turbulence model. This model, reads velocity flow on the near wall region of a bluff body as well as the far wall region which is the...
04 October 2020 5,438 3 View
I faced this problem while doing hypersonic flow analysis over a reentry capsule in ANSYS Fluent. Also residuals are becoming horizontal that solution is not at all getting converged. Could...
01 October 2020 774 3 View