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