Abstract
This paper presents an algorithm for reliability-based topology optimization of linear elastic continua under random-field material model. The modelling random field is discretized into a small number of random variables, and then the interested output is estimated by a stochastic response surface. A single-loop inverse-reliability algorithm is applied to reduce computational cost of reliability analysis. Two common benchmark problems in literature are used for demonstration purposes. Different values of target reliability and ranges of Young's modulus are considered to investigate their effects on resulting optimized topologies. Lastly, Monte Carlo simulation tests the proposed algorithm for correctness and accuracy.
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