A variational level set approach to multiphase motion. (English) Zbl 0860.65050

Zhao, Hong-Kai; Chan, T.; Merriman, B.; Osher, S.

J. Comput. Phys. 127, No. 1, 179-195 (1996).

Motion of multiple junctions, with a length dependent energy functional attached to each, a surface torsion, and area dependent bulk energy – Coupling with a Lagrange multiplier – Resolution by the level set method, and gradient projection numerical resolution – Numerical results.

Reviewer: L.F.Pau (Alvsjo)

MSC:

65K10	Numerical optimization and variational techniques
70B15	Kinematics of mechanisms and robots
49J15	Existence theories for optimal control problems involving ordinary differential equations
90C52	Methods of reduced gradient type

Keywords:

energy decomposition; numerical results; multiple junctions; Lagrange multiplier; gradient projection numerical resolution