Niaz Bahadur Khan

8 Questions 30 Answers 0 Followers

Questions related from Niaz Bahadur Khan

How to handle transition in the shear layer in computational setup?

In case of flow around fixed circular cylinder at Reynolds number Re=3900, transition of vortices occur in the shear layer. My question is how to handle this phenomenon during numerical analysis...

06 June 2017 5,638 4 View

How to plot mean Reynold shear stress in FLUENT for flow around cylinder case?

Dear Friends, I am analyzing flow around cylinder using LES model at Reynold number 4000. My study is 3d transient and time-statistic calculation is activated after the solution converge. Now I...

08 August 2016 4,249 2 View

UDF for flow around forced oscillating cylinder and free oscillating cylinder. VIV (vortex induced vibration) study?

Dear Friends, Need your help in making code for forced vibration cylinder and free oscillating cylinder in Fluent. Currently, I successfuly simulated once case study using the following...

03 March 2016 10,241 2 View

FSI problem. How to transform the exact pressure pattern from CFX solved simulation to Structural analysis?

Dear Friends, I performed CFD simulation using CFX and then try to import the pressure pattern from CFX results to Structural module. On some of the wall, the pressure pattern is exactly imported...

01 January 2016 5,744 2 View

How can we reduce the domain size in a flow around cylinder at Re number=1e7?

Dear Friends I am doing flow around cylinder at Re=1e7 and want to study the Cd, St and wake area using Fluent/CFD. Problem description or actual dimensions: Cylinder dia=1m cylinder...

11 November 2015 1,327 6 View

Flow around cylinder at Re=3900 using Fluent/ CFX. Value of Cd is very high, can someone help?

Dear Friends I am simulating flow around a circular cylinder at Re=3900 ...but I got the value of Cd=1.4-1.6 which is very high compared to the experimental results. In available literature, the...

11 November 2015 1,021 14 View

How to model flexible cylinder in FLUENT or CFX?

Dear Friends I want to study the flow around cylinders in FLUENT/CFX. Kindly tell me how to model the flexible cylinder. So far, I was just analyzing the flow around stationary cylinder, but in...

10 October 2015 4,762 5 View

How do I ensure 20layers in Boundary layer during meshing (FLUENT OR CFX)?

Dear ExpertsI am analyzing the flow around circular cylinder(dia=0.1m, Vel=0.5275m/s, dyn visc=1.6e-5kg/m/s, density=1.185kg/m^3)I calculated first cell height for y+ value of 1 which is 0.3mm....

10 October 2015 7,980 11 View