storeGlobalPositions not available when using pairCollision model

richardt · May 22, 2024, 13:19

Greetings,

I am having some issues when using the collisionModel "pairCollision" combined with Adaptive Mesh Refinement (AMR) with the CollidingCloud/Parcel. I want to model particle-particle collisions and adhesion using the deterministic soft sphere model available in OpenFOAM, and AMR is mandatory for my framework (VOF-LPT).

My solver works fine with AMR while using the CollidingCloud without a collisionModel, with "collisionModel none". However, when I use "collisionModel pairCollision", I get the following error:

--> FOAM FATAL ERROR:
Global positions are not available. Cloud::storeGlobalPositions has not been called.

I tried running a simple case with DPMDyMFoam and icoUncoupledKinematicParcelDyMFoam, for the injection of particles in a box. The same problems occurs when using "collisionModel pairCollision".

I have tested this in OF-v1812 and OF-v2112.

I have attached the simple case files bellow, in case anybody wants to try it. Maybe my case setup is causing this issue? Has anybody experienced the same problem?

P.S.: I am using the dynamicMesh solver "dynamicMultiDimRefineFvMesh" from the "TwoPhaseFlow" library in order to refine the velocity magnitude and velocity gradient fields. For my VOF-LPT simulations, I refine the alpha.water field.

vonboett · October 1, 2024, 03:35

Hi, could you find out what was the problem? I have implemented the DPM-Solver routines in debrisInterMixing (calling it debrisInterMixLP) and would like to couple the particles to an FSI interaction of rockfall nets, so I am very interested in your soultion...

richardt · October 1, 2024, 05:19

Hey vonboett,

Unfortunately, I could not find a solution for this problem. I decided to use the kinematicCloud for my solver, and not the collidingCloud.

I have implemented the deterministic hard-sphere collision model from Breuer and Almohammed (2015) as a cloudFunctionObject using the postMove function. I track the possible collision partners using the pInCelli list defined in the StochasticCollisionModels of sprayFoam and calculate the collision outcomes according to the models presented in the paper.

https://www.sciencedirect.com/scienc...01932215000749

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October 1, 2024, 03:35		#2
vonboett Senior Member Albrecht vBoetticher Join Date: Aug 2010 Location: Zürich, Swizerland Posts: 240 Rep Power: 17	Hi, could you find out what was the problem? I have implemented the DPM-Solver routines in debrisInterMixing (calling it debrisInterMixLP) and would like to couple the particles to an FSI interaction of rockfall nets, so I am very interested in your soultion...

October 1, 2024, 05:19		#3
richardt New Member Richard Tribess Join Date: Jul 2021 Posts: 8 Rep Power: 5	Hey vonboett, Unfortunately, I could not find a solution for this problem. I decided to use the kinematicCloud for my solver, and not the collidingCloud. I have implemented the deterministic hard-sphere collision model from Breuer and Almohammed (2015) as a cloudFunctionObject using the postMove function. I track the possible collision partners using the pInCelli list defined in the StochasticCollisionModels of sprayFoam and calculate the collision outcomes according to the models presented in the paper. https://www.sciencedirect.com/scienc...01932215000749