Abstract
The dependence of the static response and the eigenvalues of a membrane on its shape is characterized. A transformation function is defined to determine the shape of the membrane. Differential operator properties and transformation techniques of integral calculus are employed to show that the static response and the eigenvalues of the system depend in a continuous and differentiable way on the shape of the membrane. Explicit and computable formulas are presented for the derivative (first variation) of the structural response and the eigenvalues with respect to the shape. A rigorous proof is provided, and the shape design sensitivity of a typical integral functional is determined.
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Communicated by E. J. Haug
The author is indebted to Professor E. J. Haug for his comments and stimulating interest in the paper.
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Rousselet, B. Shape design sensitivity of a membrane. J Optim Theory Appl 40, 595–623 (1983). https://doi.org/10.1007/BF00933973
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DOI: https://doi.org/10.1007/BF00933973