Bidesh Sengupta

7 Questions 7 Answers 0 Followers

Questions related from Bidesh Sengupta

Can compressible solver compute low mach incompreesible flow accurately?

Hi! Is compressible solver (Roe Flux) capable to simulate very low mach incompressible flow? I am aware of the fact that computational time will be very hight but what about the accuracy? The...

23 July 2021 1,572 3 View

How to run solver in Nektar++?

Hi! I am introducing myself very new to Nektar++ (https://www.nektar.info/) opensource code. I installed the code according to the user guide manual. The installing process shows success. --...

03 January 2021 9,111 3 View

Why HLLC scheme is positvity preserving but Roe scheme is not?

I am having the conceptual doubt. I am reading in many papers that HLLC is positivity preserving but Roe scheme is not. But I don't know, how to understand why is it so? If anyone can kindly...

11 February 2020 1,244 2 View

How to do dot product of velocity and normal at wall boundary in OpenFoam?

I am trying to find collection efficiency at the wall in OpenFoam, but could not do it as I am getting error. I have written it as: volScalarField U_x = U.component(vector::X);...

22 October 2019 1,499 1 View

OpenFoam far field?

I am having doubt, if any one kindly help me to clarify those, it will be very useful. I have spherical mesh domain and at the center I have a plate and I wish to compute aerodynamic coefficients...

30 December 2018 9,655 2 View

Discontinuous Galerkin in Openfoam or Foam extend

I would like to know is there any solver for Discontinuous Galerkin method in 3D in OpenFoam of Foam Extend except HopeFoam? Thanks a lot.

01 January 1970 9,165 2 View

Difference between convective schemes

Hi! I wish to know the conceptual differences between flux-vector splitting, flux-difference splitting, and KURGANOV AND TADMOR scheme. Thank you.

01 January 1970 6,533 0 View