Disabling Drag force for DEM only simulation

MFiX
1

Setting-Drag-DEM
Setting-Drag-DEM1324×679 115 KB

Hello,
I am using pure granular flow DEM without any fluid.

Seems like the Syamlal-OBrien drag is about fluid-particles specifically.

image
image667×126 18.2 KB

How can I deactivate the drag calculation for DEM only simulations ?
I am attaching a screenshot of the setting of my model.

If I disable the fluid solver, will the drag be automatically deactivated ?

Please let me know.
I look forward to hearing from you.

Thanks and Best Regards,
Debashis

2

Hello,

Any update on this ?

How to disable the drag force for DEM only simulation ?

If I disable the fluid solver, will the drag be automatically deactivated ?

Look forward to hearing from you.

Thanks and Regards,

Debashis

3

There is no need to disable the drag law for granular flow, it is automatically deactivated.

4

Thank you very much Dr. Dietiker.
Best Regards,
Debashis