Asymptotic Bayesian Optimization: A Markov sampling-based framework for design optimization

Research output: Contribution to journalArticleResearchpeer review

Authors

  • D. J. Jerez
  • H. A. Jensen
  • M. Beer
  • J. Chen

Research Organisations

External Research Organisations

  • Universidad Tecnica Federico Santa Maria
  • International Joint Research Center for Engineering Reliability and Stochastic Mechanics
  • Tongji University
  • University of Liverpool
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Details

Original languageEnglish
Article number103178
JournalProbabilistic Engineering Mechanics
Volume67
Early online date8 Nov 2021
Publication statusPublished - Jan 2022

Abstract

This paper presents a Markov sampling-based framework, called Asymptotic Bayesian Optimization, for solving a class of constrained design optimization problems. The optimization problem is converted into a unified two-phase sample generation problem which is solved by an effective Markov chain Monte Carlo simulation scheme. First, an exploration phase generates designs distributed over the feasible design space. Based on this information, an exploitation phase obtains a set of designs lying in the vicinity of the optimal solution set. The proposed formulation can handle continuous, discrete, or mixed discrete-continuous design variables. Appropriate adaptive proposal distributions for the continuous and discrete design variables are suggested. The set of optimal solutions provides valuable sensitivity information of the different quantities involved in the problem with respect to the design variables. Representative examples including an analytical problem involving nonlinear benchmark functions, a classical engineering design problem, and a performance-based design optimization problem of a structural system under stochastic excitation are presented to show the effectiveness and potentiality of the proposed optimization scheme. Validation calculations show that the scheme is a flexible, efficient and competitive choice for solving a wide range of classical and complex engineering design problems.

Keywords

    Discrete-continuous optimization, Dynamic systems, Markov sampling method, Metropolis–Hastings algorithm, Performance-based design, Proposal distributions, Stochastic optimization

ASJC Scopus subject areas

Cite this

Asymptotic Bayesian Optimization: A Markov sampling-based framework for design optimization. / Jerez, D. J.; Jensen, H. A.; Beer, M. et al.
In: Probabilistic Engineering Mechanics, Vol. 67, 103178, 01.2022.

Research output: Contribution to journalArticleResearchpeer review

Jerez DJ, Jensen HA, Beer M, Chen J. Asymptotic Bayesian Optimization: A Markov sampling-based framework for design optimization. Probabilistic Engineering Mechanics. 2022 Jan;67:103178. Epub 2021 Nov 8. doi: 10.1016/j.probengmech.2021.103178
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abstract = "This paper presents a Markov sampling-based framework, called Asymptotic Bayesian Optimization, for solving a class of constrained design optimization problems. The optimization problem is converted into a unified two-phase sample generation problem which is solved by an effective Markov chain Monte Carlo simulation scheme. First, an exploration phase generates designs distributed over the feasible design space. Based on this information, an exploitation phase obtains a set of designs lying in the vicinity of the optimal solution set. The proposed formulation can handle continuous, discrete, or mixed discrete-continuous design variables. Appropriate adaptive proposal distributions for the continuous and discrete design variables are suggested. The set of optimal solutions provides valuable sensitivity information of the different quantities involved in the problem with respect to the design variables. Representative examples including an analytical problem involving nonlinear benchmark functions, a classical engineering design problem, and a performance-based design optimization problem of a structural system under stochastic excitation are presented to show the effectiveness and potentiality of the proposed optimization scheme. Validation calculations show that the scheme is a flexible, efficient and competitive choice for solving a wide range of classical and complex engineering design problems.",
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