In both military applications like missiles and space applications like stage separation on spacecraft, proper design and analysis of the trajectory of the separating object is crucial.
STAR-CCM+ offers the revolutionary Overset Mesh capability, which in conjunction with the rigid body motion model (DFBI) is well-suited and validated for separation analysis. The Dynamic Fluid Body Interaction (DFBI) is handled by a built-in 6-DOF solver with full implicit, fully parallelized coupling with the flow field.
STAR-CCM+ has been validated against benchmark experimental data from the Eglin store separation case.
Separation of different stages from a spacecraft or a cruiser-booster combination can also be accurately analyzed using STAR-CCM+. The Overset/DFBI capability is well suited to cover these types of applications.