Journal
STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION
Volume 45, Issue 1, Pages 147-149Publisher
SPRINGER
DOI: 10.1007/s00158-011-0674-3
Keywords
Stiffness optimization; Non-zero prescribed displacements; Saddle point problem; Sensitivity analysis
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The present theoretical note shows how a natural objective function in stiffness optimization, including both prescribed forces and non-zero prescribed displacements, is the equilibrium potential energy. It also shows how the resulting problem has a saddle point character that may be utilized when calculating sensitivities.
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