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Questions related to Computational Fluid Mechanics
Lately, I was trying to solve a plate fin and tube heat exchanger problem and all I could see was reversed flow in this face. And after that, the solution would just get converged
04 April 2017 4,319 9 View
For two-phase flow,is there any kind of commercial CFD code, which can model steam-water direct contact condensation in pipe ,and sometimes the subsequent pressure peak (condensation induced water...
04 April 2017 275 6 View
As widely acknowledged that, maximum trimmed Clmax is more import than CLmax_clean for tailless configurations like BWB and flyingwings. However, this issue relates to flow separation, control...
04 April 2017 3,209 2 View
HiWhich one is a better choice to use in a LBM simulation? Why?My problems have one fluid and they are Steady State.
04 April 2017 5,014 6 View
Technically speaking the total temperature should not change across a shock. But when I tried Simulating a Hypersonic flow across a conical body (0 AOA), you can see that the temperature across...
04 April 2017 8,567 6 View
Dear authors, How do you generate velocity time series for inlet boundary conditions for LES? Thank you and kind regards, George
30 March 2017 6,079 3 View
I am modeling steady and transient(using explicit relation )heat flow through a fin. Now i have refined the mesh but the solution diverges(both transient and steady) so the time step can also...
28 March 2017 7,662 11 View
helloI am doing thermal and hydraulic study of flow past perforated fins using turbulent K-Omega SST model in ANSYS Fluent. After few iterations, my Energy equation start to Diverge. Please...
25 March 2017 3,460 6 View
Is it possible to extract boundaries in googlemaps? are there any other websites where extraction of boundaries are possible? how to do these?
03 March 2017 5,204 6 View
I'm trying to mesh a cyclone separator, and there is always a few number of poor quality cells located at the boundary layer near the end of the tangential inlet. Can we ignore the effect of these...
03 March 2017 7,257 5 View
In a droplet impact onto a stationary particle, I want to calculate mass conservation of VOF method (before impact vs. after impact ends). For that, I use Reports => Volume Integrals window. In...
03 March 2017 5,402 7 View
I was wondering whether the Rohlik mathematical model could be useful for determing the characteristic curves (pressure ratio vs corrected flow, isentropic efficiency vs corrected flow, wherein...
03 March 2017 2,550 1 View
CFD Analysis of Hydrodynamic Parameters for Regenerator of Cryocooler. I i am encountering the following problems, I would be very much thankful if anyone could assist me. 1- I have taken a time...
03 March 2017 7,296 0 View
Can anyone tell me how to get performance calculations of a hybrid airship and also how to add a buoyant force on the body while doing analysis on CFD Fluent. Thanks in advance.
03 March 2017 6,317 0 View
Dear Researchers, I am working on simulating shell and tube heat exchangers using ANSYS Fluent. I have the huge number of tubes and it is not recommended to model it. Therefore, I am trying with...
03 March 2017 6,982 3 View
Please read the following PDF file which contains a fair description of my problem: https://www.dropbox.com/s/q2wk81yxfuvrwws/Problem%20Definition.pdf?dl=0 Also, you can find my ANSYS files...
03 March 2017 4,633 3 View
I am dealing with problem of coding of CICSAM scheme. I have difficulty how to apply this scheme.I would be so thankful if anyone guide me about (VOF, CICSAM) coding procedure. If possible please...
03 March 2017 8,530 1 View
I am trying to simulate a heterogeneous reaction between two phases in Eulerian multiphase model. I have written a UDF and it compiles and runs well. The reaction is: C+2H2--> CH4. Although my...
03 March 2017 6,304 11 View
Hello. I am working on a micro scale simulation of evaporation inside a porous structure, using ANSYS FLUENT. It is a transient two phase model(VOF) considering water and vapor inside a micro...
03 March 2017 3,879 10 View
03 March 2017 8,983 4 View
I need to simulate a flow in a hypersonic wind tunnel, using CFD(Fluent). But I'm having problems setting up the boundary conditions to simulate the flow. People who can help me please do...
03 March 2017 1,352 6 View
03 March 2017 8,032 14 View
Dear members I was running a Boussinesq equation wave model COULWAVE for regular waves over slopes. While running the model, the simulation crashes . I am unable to find out the reason for the...
03 March 2017 1,929 0 View
Hi, I am currently working on a simulation of external flow over a semi-circular cylinder with the curved surface facing the flow. I would like to calculate the length of the recirculation region...
03 March 2017 6,071 5 View