How to analyze mesh sensitivity for huge CFD model?

Hi, everyone. Developing numerical models by CFD we should analyze mesh sensitivity, ie independence of results from the mesh size. This is simple for small models (up to approx. 100 on cells. But...

04 May 2018 7,972 1 View

A consideration on the heat transfer in liquid metal?

05 June 2017 9,608 3 View

Have someone got a human heart 3d model?

I'd like to conduct a test CFD (FSI) simulation of human heart. Thanks.

31 December 2016 2,546 5 View

Verification and validation (V&V) of CFD codes?

Do some can share any files on CFD V&V? Expecially I would like to get Fluent Verification Manual for Release 17. If you can download it from Ansys Customer Portal, please share it with me.

11 December 2016 3,330 0 View

How to simulate PEMFC by CFD (Fluent)?

Dear colleagues, I've just started to simulate PEMFC by Fluent 17.0, and I have some questions about it. So, first of all, Fluent has addon module for PEMFC modeling. I can choose [3] FC and...

05 June 2016 3,205 26 View

Has someone got the Prandtl turbulent correlation applied to the liquid metal?

Dear scientists, I'm looking for Prandtl turbulent correlations applied to liquid metal (expecially, lead). I would like to compare it with results of CFD simulation. It can be liquid metal flow...

01 February 2016 2,806 3 View

Consulting Services Market Analysis on CFD modelling

Please answer the following questions: 1. Are your company ready to provide consulting services for math simulation and CFD modelling? 2. Do your company need such service? 3. What industry are...

01 January 1970 7,662 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