When to use bounded Second Order Implicit Time Integration in Fluent?

Fluent offers different temporal discretization schemes. There are two implicit schemes: Second order and bounded second order. I am wondering what are the advantages and disadvantages of these...

11 December 2019 8,211 4 View

How to define solid phase in Fluent's Eulerian Model?

I am solving a multi-phase problem in Fluent. I want to define my secondary phase as the granular solid phase. I can see that in the dropdown menu of the secondary phase, only fluid materials are...

09 October 2019 793 9 View

How to interrupt solution in Ansys Mechanical?

Is it possible to interrupt the solution in the middle of the run and then resume it later? I know this is possible in CFD solvers but I am searching is such facility is available in Ansys mechanical.

08 September 2019 2,090 3 View

How to implement Distributed Activation Energy Model (DAEM) in ANSYS Fluent?

I want to model a chemical reaction in Fluent. However, reaction being too complicated, there is no single activation energy model available. The DAEM approach is used to estimate the products...

07 August 2019 4,688 1 View

How to model a chemical reaction in Fluent involving gaseous reactants and solid product?

I am currently simulating a system involving various chemical reactions. My primary phase is gaseous and secondary phase is solid. There are reactions involving solid to solid and gas to gas...

04 May 2019 457 3 View

How is the adaptive time step size decided in Ansys Fluent?

I am interested to know how does Fluent decide the time step size when I am using adaptive time stepping. It depends on the mesh size and the convergence (residues) of the last time step. But,...

02 March 2019 8,979 2 View

How to get Sauter Mean Diameter (SMD) in Fluent/CFD post?

I am simulating a spray using pressure swirl atomizer in Fluent. It is a transient case. I am interested in variation of Suater mean Diameter (SMD) of droplets over the time. I cam calulate...

31 December 2018 3,147 3 View

How to get the diameters of droplets in Fluent?

I am simulating a diesel spray in air. I want to get the number of droplets and their diameters (preferably individual over mean) at certain time step. How can I extract this data?

11 December 2018 222 3 View

Difference between standard and realizable k-epsilon model?

CFD uses various turbulence models and they differ in their applicability. k -epsilon is widely used for most of the fluid flow problems. But, how standard and realizable k-epsilon differ from the...

09 October 2018 4,699 7 View

How to solve temperature divergence in Fluent?

I am solving conjugate heat transfer problem in Ansys Fluent. The system is like a cylinder with 4 layers of solid (one over other) and fluid inside it. The the inside surfaces of the solid has...

09 October 2018 9,587 14 View

How to analyze a particular region of my simulation box in GROMACS?

Hi, I am using GROMACS 5.1.4 to simulate water in contact with a surface. I am only interested to calculate some properties of water near the surface. Let's say at a distance of x nm from the...

03 March 2021 9,989 2 View

How to get onecolumn document from standard IEEE ACCESS LateX template?

I have prepared a manuscript in IEEE Latex template, but for some purpose, I need to prepare a word file as well (detailed format is not required). Compared to two column .tex file, one column...

02 March 2021 1,830 3 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 can the modification of garden soil cause global warming?

Hello, I am working on a soil project and I found a primary research article that tests how the modification of agricultural soil can cause global warming, using a thermal collector, however I...

02 March 2021 7,161 3 View

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 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

Does anyone know to clarify these changes?

01 March 2021 1,290 2 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