Move all particles forward until collision occurs From all the collision times stored in coltim. find out the minimum one (t l]/min Advance the position of all the particles with this time interval, i.e dO=lN RX(=RX(+VX((timin RY(=RY(+VY((timin RZ()=RZ()+Vz(1)°(t1) min enddoMove all particles forward until collision occurs From all the collision times stored in COLTIM,Find out the minimum one, (tij)min. Advance the position of all the particles with this time interval, i.e., do i=1,N RX(i)=RX(i)+VX(i)*(tij)min RY(i)=RY(i)+VY(i)*(tij)min RZ(i)=RZ(i)+VZ(i)*(tij)min enddo