Recent methodologies for reliability-based design optimization

Advanced Methodologies for Reliability - Based Design Optimization and Structural Health Prognostics

Title of Document: ADVANCED METHODOLOGIES FOR RELIABILITY-BASED DESIGN OPTIMIZATION AND STRUCTURAL HEALTH PROGNOSTICS. Pingfeng Wang, Doctor of Philosophy, 2010 Directed By: Dr. Byeng D. Youn, Assistant Professor, Department of Mechanical Engineering. Failures of engineered systems can lead to significant economic and societal losses. To minimize the losses, reliability must be ensured througho...

Reliability and Reliability-Based Design Optimization

Reliability is often understood as the probability that a structure will not fail to perform its intended function. In this paper, the general formulation of consistent evaluation of the safety of structures and the associated methods of analysis are reviewed. After the reliability analysis of a cantilever beam is demonstrated, the methodology of reliability-based optimization and the related p...

Robust Design and Reliability-based Design Optimization

A large number of problems in manufacturing processes, production planning, finance and engineering design require an understanding of potential sources of variations and quantification of the effect of variations on product behavior and performance. Traditionally, in engineering problems uncertainties have been formulated only through coarse safety factors. Such methods often lead to overdesig...

Isight Design Optimization Methodologies

RELIABILITY-BASED DESIGN OPTIMIZATION OF COMPLEX FUNCTIONS USING SELF-ADAPTIVE PARTICLE SWARM OPTIMIZATION METHOD

A Reliability-Based Design Optimization (RBDO) framework is presented that accounts for stochastic variations in structural parameters and operating conditions. The reliability index calculation is itself an iterative process, potentially employing an optimization technique to find the shortest distance from the origin to the limit-state boundary in a standard normal space. Monte Carlo simulati...