Reply To: Tutorial or Help for 2 way FSI

[ashishkumar.gupta]

 

Hi Paul,

Even though I used ‘Pure Penalty with Normal Stiffness factor=10’ contact, I can see penetration in the AUTO SCALE VIDEO

Max. penetration ~ 1E-07 mm;          Max. Total deformation ~ 1E-04 mm;     Gap = 0.1 mm    ; penetration/Total deformation % = 0.1%  -----> is it acceptable or more?

 

Here is the YT link where you can see the Ball and Race penetrating…Also, I do not see Rolling movement of Ball and Races here.

https://youtu.be/6-CKR6u34nY

 

B.C. for your reference:

Mech:
IR 1000 RPM (Rotational velocity)
$ Radial Disp. for IR (0 step = 0 mm; 50th step = 0 ; 100th step = 1,e-004 mm) ….0.1 mm is gap between Ball and Race

Fluent:
Fluid Speed at Walls of: $ IR   – 1000 RPM
                           Ball – Stationary 
                           OR   – Stationary 

 

Am I doing anything wrong here?