Hardik Mistry

10 Questions 23 Answers 0 Followers

Questions related from Hardik Mistry

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...

13 December 2019 3,971 4 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...

27 August 2019 7,281 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...

03 May 2019 3,949 3 View

Can I use k-epsilon turbulence model for transitional flow?

I have a geometry where the flow is transitional. i.e. a part of it has laminar flow and rest part has turbulent flow. Can I use k-epsilon model for this problem? Does it resolve the laminar...

29 March 2019 6,600 19 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?

14 December 2018 8,560 3 View

What are the advantages of Finite volume method (FVM) over Finite difference Method (FDM) for particularly flow simulation (CFD) ?

Most of the CFD solvers use FVM. However, FDM is pretty simple to implement. I am interested to know exactly what advantages do FVM offer. And when should one go for FDM if he is planning to write...

14 December 2018 8,805 38 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...

25 October 2018 4,207 8 View

Can highly skewed elements effect the solution accuracy in Fluent?

If I have Highly skewed elements in the solid body in Fluent, can it affect the overall solution accuracy? The fluid has very good quality elements. Only solid has skewed elements. Is conduction...

16 October 2018 5,234 12 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...

15 October 2018 2,669 14 View

Is it possible to patch the solution in between during the transient run in Fluent?

I am solving one transient case in Fluent. I have a chamber which is heated by thermal radiation. Once it reaches certain temperature I want to introduce some chemical species which will undergo...

14 May 2018 650 4 View