Spray cal. over deforming domain
 

Salute to all experts.

I am trying to calculate trajectory of particles in a deforming domain ( an expanding & contracting cylinder) in axisymmetric domain. Why do I get statements like followings : 1)Unable to locate injection-0. 2)Warning; 1 particles lost when advancing the grid 3)Warning: could not find starting cell for 10 new particles 4)Can't figure which cell particle is going to -- ABORT

Thanking you for your patience and help in advance !