15 Questions 21 Answers 0 Followers
Questions related from Shashank Mishra
Hi, Can someone please help me with deriving that false/numerical/artificial diffusion is flow direction dependent and it is given as (image attached). also as per Patankar book , numerical...
31 October 2016 6,534 11 View
Hi, While solving Euler's equation (inviscid flow), convergence cannot be obtained without addition of artificial viscosity terms or using upwinding scheme. Upwinding scheme itself results into...
08 August 2016 8,616 3 View
Hi, since the Reynolds number is high for Turbulent flows, the viscous force are over powered by convective forces, meaning the dampening of disturbances will not be efficient. This results into...
28 July 2016 5,937 8 View
Hi, I am solving time dependent inviscid flow inside a rectangular channel and I have to impose initial condition on vorticity. The inlet and outlet velocity profile is given which is linear in y,...
07 June 2016 9,711 4 View
For external flow over a flat plate, what is the reason that boundary layer thickness is continuously increasing. What physics is responsible for this ?
13 April 2016 7,991 20 View
Hi, The mixing associated with separation and re-circulation results into more entropy generation and consequently increases the losses. But why drag is increased when we have separating flows?
11 December 2015 2,835 12 View
Hi, I am new to latex and I need to submit a paper in Journal of Computational physics. I downloaded the latex template files from the website but I am facing issues with bibliography file and...
07 December 2015 6,824 6 View
Hi,I was trying to run a simple duct flow case with laminar and inviscid flow. The objective was to check the outlet velocity if I have imposed a parabolic velocity profile at the inlet depicting...
09 October 2015 985 7 View
Hello Everyone, I am trying to simulate a high speed train (2D) , in fluent. I have used sliding mesh before , so I setup my problem accordingly, creating two separate zones, one for solid and one...
21 September 2015 5,690 11 View
Hello everyone, I am trying to simulate a simple pipe flow with conductive fluid under the influence of a constant magnetic field. I went through the MHD module of fluent, but failed to set up...
17 August 2015 9,964 9 View
Hello Everyone, I am trying to perform CFD simulation of a 2D Evaporation problem. It involves a stationary droplet resting on the surface of a heated wall of a duct, ( the shape of the droplet...
04 June 2015 1,457 3 View
Hi, I am trying to study the effect of swirl on Turbulence using CFD. My objective is to specify turbulence intensity at the inlet of the pipe and study the effect of swirl generators on...
07 March 2015 3,980 6 View
Hi, My objective is to study the variation in temperature as the fluid is expanded across a 3D nozzle. And therefore, I cannot specify temperature at the outlet. Do I need to create a separate...
07 March 2015 2,628 7 View
Hi, I am trying to see the effect of modified AVF ( arteriovenous fistula ) on wall shear stress and oscillating shear stress. Is there any good literature from where I can find what velocity...
07 March 2015 4,061 3 View
Hi, I am trying to run a simulation in fluent for 2D Wind Turbine using Dynamic meshing.I read somewhere that time step required for convergence in dynamic meshing has to be very small for very...
08 July 2014 5,994 9 View
