Robust multidisciplinary design of undersea weapons

Robust multidisciplinary design of undersea weapons

Research Objectives

	Simulation Based Design (SBD) of undersea weapon systems
	Shape optimization for drag minimization
	Propagation of various forms of uncertainty in multi-physics systems
	Uncertainty based Multidisciplinary Design Optimization (MDO)
	Visualization and realization of uncertainty sensitivities to aid in decision making

Accomplished tasks description:

Modeling and simulation

Supercavitating torpedo

Lightweight torpedo

MDO of supercavitating torpedo

Natural frequency

Stresses and displacements

Buckling load

Shape optimization of supercavitating torpedo

Cavity shape determination

Cavitator optimization

Reliability analysis of lightweight torpedo

Natural frequency

Maximum Strain

Optimum Cavitator Shape

Acoustic Signature of a Torpedo