Asking long term simulation (10 years) for heat conduction in ground?

Dear all, I wan to simulate transient heat transfer of conduction heat transfer for ground heat exchanger application by using ANSYS FLUENT. Is fluent capable of doing long term simulation (10...

02 March 2019 7,715 2 View

Asking calculation first cell height in y plus in FLUENT and CFX?

Dear all, I see in some website just like the following link https://www.computationalfluiddynamics.com.au/tips-tricks-cfd-estimate-first-cell-height/#comment-7768 There are some caclulation of...

31 December 2018 2,699 0 View

Error in Make Ribs in pipe by using space claim ansys fluent 17.2?

Dear All I make ribs in pipe surface by using spaceclaim in ansys 17.2. I make many ribs on the wall. I use small pipe as cutter of big pipe. When I make more ribs, spaceclaim seems has error....

31 December 2018 9,886 0 View

How to chose correct option when laminar and turbulent happens in the same device in ANSYS FLUENT 17.2?

Dear all, I would like to do simulation in spiral pipe but i make extension in inlet part and outlet part by straight pipe. The extension connected with spiral (i attach the file). Critical...

11 December 2018 2,087 0 View

How to plot contour in cross section in helical pipe by using ANSYS FLUENT 17.2?

Dear All, I do simulation on helical pipe. I am using Ansys FLUENT 17.2. I want to make plot in cross section of the pipe along axial direction (i show the sample ). How to do it in...

10 November 2018 7,640 0 View

How to make different kind of mesh in Ansys Meshing in one part?

Dear all, I want to make different mesh in the picture because i think its good to reduce computer efforts. Do you have any suggestion? Thank you

09 October 2018 3,605 0 View

Problem in saving transient simulation in CFD FLUENT 17.2?

Dear all, I want to make simulation in transient heat transfer by using ANSYS FLUENT 17.2. I have one simulation which is success. I wan to re-simulate the same case with temperature change of...

06 July 2018 3,086 2 View

How to simulate convective heat transfer two-phase flow in Horizontal Pipe without phase change?

Dear all, I am trying to simulate heat transfer of two phase (stratified) flow to single phase (both flows are turbulent flow). I attach the model of the case. There is no phase change in two...

06 July 2018 992 0 View

How to solve parse error error in UDF fluent for #DEFINE_INIT?

Dear all, I am new in UDF. I am trying to make different initial guess of temperature distribution in solid by using #DEFINE_INIT CODE in Fluent 17.2. I took the whole code from UDF Fluent...

05 June 2018 3,950 0 View

How to solve many different solid-solid interface solid?

Dear all, I am trying to simulate conduction in 2D FLUENT 17.2. There are many different type of solid. I get this warning. I have tried to use TUI command...

05 June 2018 5,304 1 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

How to show arrows over the streamlines in CFD-post?

I follow this to make streamlines like the photos attached below: (software- CFD post-processing) First I plot the 2D streamline over a surface "streamline 1". them I plot a vector by the...

01 March 2021 8,668 3 View

What is recommended for solid domain in ANSYS FLUENT?

Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?

01 March 2021 9,785 3 View

Can Virtual Servers (remote dekstop manager) run heavy ANSYS Fluent CFD simulation ?

I have a virtual machine. My host Pc specs are not that good thats why i went for virtual servers. so basically my host pc has 8gb of ram with nvidia quadro k2200 4Gb DDR5 GPU ,processor intel...

01 March 2021 8,415 1 View

How to increase mesh quality of a cfd model in ansys fluent?

How can one improve mesh skewness, orthogonality, aspect ratio?

28 February 2021 7,730 3 View

How do you mesh a thin solid in Fluent?

Hello, I have used the shell function on SpaceClaim to create thin solids for the model I am studying. These are contained within an enclosure for my study. I chose this approach as it avoids the...

24 February 2021 8,856 3 View

How to extract the y+ value from fluent ?

I am doing a 3D steady simulation of a wind rotor using Ansys Fluent. In order to have a y+ of 1, I created 10 inflation layers using total layer thickness method, and I started a first...

23 February 2021 2,819 3 View

Help with assigning pressure boundary conditions in FLUENT on a large structure?

Hello, I created a very tall tower (>1000m) and applied pressure boundary conditions at the inlet (bottom) and outlet (top) that correspond to the pressure are their relative altitudes....

22 February 2021 9,972 4 View

How do I add a udf to Ansys fluent and does it need to be compiled before hand ?

I have a Define_CG_Motion udf written in c where do I add it to my Ansys fluent project and does it need to be compiled before that?

21 February 2021 9,347 3 View

How do I plot Pressure against crank angle degree in Fluent?

18 February 2021 8,390 3 View