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

How to export Fluent materials to a file?

I repeatedly use few materials in Fluent. Is there any way I can export the materials defined in the fluent to a separate file and read that file as and when required?

09 October 2018 1,303 1 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 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

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 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

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 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

Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS?

I need to model masonry and reinforced concrete minarets for my MSc thesis. Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS? (Or any other program for just...

01 March 2021 736 3 View

Does anyone know to clarify these changes?

01 March 2021 1,290 2 View