An Improved Particle Number-Based Oil Spill Model Using Implicit Viscosity in Marine Simulator

Algorithm 3

DFPBF simulation loop (calculation flow of the divergence-free position-based fluid (DFPBF) framework).

	for i in particles:
	search neighborhoods
	while:
	for i in particles:
	compute external forces:
	for i in particles:
	predict intermediate velocity
	predict intermediate position
	update time step size
	for i in particles:
	search neighborhoods
	for i in particles:
	compute reused factor
	ConstantDensityConstraint
	for i in particles:
	update intermediate velocity
	VelocityDivergenceConstraint
	ViscositySolver
	for i in particles:
	update position