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The dam problem with general geometry is considered. Fluid is drawn from the bottomS 1 at a ratek where 0 ≤k ≤ N, ∫ S 1 k ≤ M; the objective is to minimize the “total pressure” of the fluid in the dam. A bang-bang principle is established for any optimal controlk 0, that is,k 0 = 0 on a setA andk 0 =N on the complement setS 1 ∖A. In the case of a rectangular dam the structure ofA is determined and the uniqueness of the minimizerk 0 is established.
Applied Mathematics and Optimization – Springer Journals
Published: Mar 23, 2005
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