Optimal Stresses in Structures

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Abstract

For a given external loading on a structure we consider the optimal stresses. Ignoring the material properties the structure may have, we look for the distribution of internal forces or stresses that is in equilibrium with the external loading and whose maximal component is the least. We present an expression for this optimal value in terms of the external loading and the matrix relating the external degrees of freedom and the internal degrees of freedom. The implementation to finite element models consisting of elements of uniform stress distributions is presented. Finally, we give an example of stress optimization for of a two-element model of a cylinder under external traction.
Original languageEnglish
JournalarXiv preprint physics
StatePublished - 2006

Keywords

  • physics.comp-ph
  • physics.class-ph

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