Flow past cylinder 2D Re=100

Zeishan1994 · December 4, 2016, 15:21

Hi

I am using StarCCM+ to simulate 2D flow around a cylinder,

Using flowing models:
Coupled flow
Laminar
Gas
Constant density
2D

My plot for Cd damps to one value rather then oscillating and I do not get any Vortex Shedding in the velocity magnitude scene.

Any suggestions why this could be happening?

Goldenballs · December 6, 2016, 09:38

Quote:

Originally Posted by Zeishan1994

Hi

I am using StarCCM+ to simulate 2D flow around a cylinder,

Using flowing models:
Coupled flow
Laminar
Gas
Constant density
2D

My plot for Cd damps to one value rather then oscillating and I do not get any Vortex Shedding in the velocity magnitude scene.

Any suggestions why this could be happening?

Are you setting up a transient simulation?

Zeishan1994 · December 6, 2016, 10:08

Thank you for your replay I have just got my latest results and managed to get right values for Cd and Cl. I was using a very small velocity (0.007)

December 4, 2016, 15:21	Flow past cylinder 2D Re=100	#1
Zeishan1994 New Member Zeisahn Join Date: Dec 2016 Location: London Posts: 3 Rep Power: 9	Hi I am using StarCCM+ to simulate 2D flow around a cylinder, Using flowing models: Coupled flow Laminar Gas Constant density 2D My plot for Cd damps to one value rather then oscillating and I do not get any Vortex Shedding in the velocity magnitude scene. Any suggestions why this could be happening? Last edited by Zeishan1994; December 5, 2016 at 15:10.

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December 6, 2016, 10:08		#3
Zeishan1994 New Member Zeisahn Join Date: Dec 2016 Location: London Posts: 3 Rep Power: 9	Thank you for your replay I have just got my latest results and managed to get right values for Cd and Cl. I was using a very small velocity (0.007)