New Solver. Particles now have perfect stability in resting state. Tiny velocity fluctuations remain but they are almost completely motionless.
First 64 frames the emitter is inactive since nothing is happening before sphere collision.
125 frames @ ~10h45min @ 3.237.537 parts per frame @ 25fps @ 10-30 rfSteps @ 3 Sandy-steps
Rendertime: ~ 30min, 2 lights, 4K shadowmaps, voxelrendering.