Usingthedistance dependenttight bindingmoleculardynamicsmodel(DDTB MD) ,theNa6 (2D) +Na8,Na6 (3D) +Na8collisiondynamicprocesseshavebeenstudiedfordifferentincidentenergiesanddifferentimpactparameters.Differentreactionmechanismshavebeenobserved ,suchasfusionreaction ,deepinelasticandquasi elasticcollisions,whicharesimilartothenuclearheavy ioncollisions.Thisshowsthattheclusterswithdifferentgeometricstructurescollidingwithidenticalclusterscanproducedifferentnewclusters.Atlowerincidentenergycentralcollisions,Na6 (3D)canformastablecluster;atleV nhalfcentralcollision ,Na6 (3D)iseasytoformalargercluster.