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Forum: OpenFOAM Programming & Development

March 18, 2015, 10:47

Replies: 11

Collision spring stiffness value in DPMFoam

Views: 4,444

Posted By ansubru

Hi Maysam!! I think I have an idea as to how...

Hi Maysam!!

I think I have an idea as to how the number of nsubcycles are being estimated. From my understanding, the nsubcycles represents a ratio of fluid resolution time scale (based on...

Forum: OpenFOAM Programming & Development

October 14, 2014, 10:03

Replies: 11

Collision spring stiffness value in DPMFoam

Views: 4,444

Posted By ansubru

Hi Guys!! You are quite right Kyle, the...

Hi Guys!!

You are quite right Kyle, the stiffness K is calculated in the code for pair collision as follows -

Kn = (4/3)*sqrt(R)*Estar

Now clearly the stiffness Kn is just dependent on the...

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