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Constrained quasiconvexification of the square of the gradient of the state in optimal design. (English) Zbl 1086.49013

The quasiconvex envelope is explicitly computed of an integrand associated with the square of the gradient of the state in a typical optimal design problem in two dimensions under a volume constraint.

MSC:

49J45 Methods involving semicontinuity and convergence; relaxation
74P10 Optimization of other properties in solid mechanics
49J20 Existence theories for optimal control problems involving partial differential equations
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