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Questions related to FLUENT
I have a simulation of fluid in a spiral microchannel and i want to calculate fluid deformation and rotation using fluent.
29 September 2021 6,415 3 View
Hello Everyone, I have a comprehension question regarding the material orientation in ABAQUS. Specifically, I have a VUMAT for anisotropic material behaviour and would like to use that in a...
27 September 2021 252 4 View
Hello i need to Simulate a CSTR with a bacterial culture as a catalyst for a conversion reaction in ANSYS Fluent or CFX. I have no trouble doing pure Flow simulations but can not find anything on...
24 September 2021 7,501 3 View
Hello everyone. I'm working on a flow simulation in an axial pump. in the literature, they recommend that y + should be kept below 1. however, my results have shown that y + is greater than...
22 September 2021 5,266 3 View
Dear all, I am trying to run a Stress-Blended Eddy Simulation with a modified turbulent viscosity for the RANS part, only. However, when I use DEFINE_TURBULENT_VISCOSITY to modify the RANS...
21 September 2021 2,976 2 View
I use a 2D naca2412 , 200000Re, 0 deg.I set refernce area as the airfoil chord.Mesh type is C type.The result of cd is 0.02 but according to xfoil and airfoiltools , the cd should be about 0.01 ....
20 September 2021 6,821 6 View
Hi, I am developing a convergent nozzle test for students. The isentropic solutions are calculated based on the choked condition and area ratio. The case is replicated in Fluent, which is...
20 September 2021 6,068 4 View
Hello everyone, I'm facing a problem when it comes to defining the parameters of Boussinesq approximation in Ansys Fluent. I'm simulating a fluid and a PCM with Boussinesq approximation, which...
19 September 2021 6,632 4 View
Can soot be calculated by having the general mechanisms of reactions of methane, ethane, propane, butane and pentane?
18 September 2021 798 3 View
In a flow over rotating cylinder simulation, if the cylinder keeps changing its shape with respect to different angular position during rotation. How to specify the shape changes of the cylinder...
18 September 2021 9,297 2 View
Hello, I have to do a fluid simulation in Ansys Fluent. I have the problem that the orthogonal quality of the mesh is under 0.1. In the picture you can see the problem zone. What can I do to...
13 September 2021 5,906 2 View
I am an undergraduate working on modelling generator noise through an aperture and writing my literature review has been a little extra difficult. I have been trying to understand the methods of...
10 September 2021 6,234 3 View
I am looking for the viscosity of paraffin waxes like C18 ,C22 and etc. I have been searching for the viscosity or temperature dependent viscosity of different paraffin waxes for a week and yet...
10 September 2021 3,101 5 View
Please I need the WHO permissible limits of As, Cd, Pb, Hg and MeHg in fish. WHO permissible limits of Cd, Pb and Hg in soft parts / muscle of Mussel. WHo permissible limits of Cd and Pb in shrimp.
30 August 2021 5,088 4 View
Iam working on 3D fan zone in Ansys Fluent and created a cylindrical domain to assign 3D fan zone condition. While assigning fan zone in cell zone conditions, Fluent is showing the above error. I...
30 August 2021 5,398 2 View
Can any researcher provide the udf for calculating the particle concentration in FLUENT DPM model using "PSI-C" method? I tried to write this udf, but after using both "DEFINE_DPM_SCALAR_UPDATE(...
27 August 2021 6,867 3 View
Hello everyone, I numerically study an airflow over a conduite using ANSYS FLUENT. I want to define a velocity-inlet Bondary condition for an interior face inside the conduite. I will be...
27 August 2021 304 1 View
I'm modelling a CFRP structure with 32 plies and using heat transfer shell elements. When trying to run the model I keep getting errors relating to the degree of freedom for the temperature...
24 August 2021 4,697 2 View
Hi there, I am planning to run one simulation with fluid flow (turbulent) and another simulation in which solidification will occur in the same domain. Does it possible to couple these two...
17 August 2021 267 2 View
I am trying to write an Energy source term UDF code to attach to a part of my model. Is there any method to specify the location of this zone in my UDF using the rectangular coordinates?
05 August 2021 7,952 6 View
Research has emerged recently that dealt with the production and use of hydrogen and ammonia in various combustion applications such as internal combustion engines and turbo engines. Knowing that...
03 August 2021 8,346 16 View
I hope anyone could be able to help. Am trying to simulate heat pipe using fluent, when i used the built in Lee model i ve got non applicable result, so i had to use UDF for evaporation and...
15 July 2021 3,654 3 View
Why is the cross model equation that fluent uses different to other formulations? Here are the formulas and I am quite unsure as to why fluent has its own slightly different version.
05 July 2021 1,939 0 View
I have a lab combustor on which I did some experiments and obtained some flashback data in terms of equivalence ratio at various flow conditions. i want to simulate the reacting flow field at...
13 June 2021 6,984 1 View