Reliability-Based Optimization of Structural Elements

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Reliability-Based Optimization of Structural Elements

Institute of Building Technology and Structural Engineering
  • Optimization
  • Reliability
  • Offshore Structures
  • Structural Optimization
  • Form Method
  • Nlpql Algorithm
  • Structural Element


In this paper structural elements from an optimization point of view are considered, i.e. only the geometry of a structural element is optimized. Reliability modelling of the structural element is discussed both from an element point of view and from a system point of view. <br/><br/>The optimization procedures are demonstrated in an example where the geometry of a K-joint in an offshore structure is optimized. The constraints require that the reliability against yielding, local buckling, punching and fatigue should be greater than critical limits.

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