Adaptive approximate Bayesian computation by subset simulation for structural model calibration

نویسندگان

چکیده

Abstract This paper provides a new approximate Bayesian computation (ABC) algorithm with reduced hyper‐parameter scaling and its application to nonlinear structural model calibration problems. The initially takes the ABC‐SubSim structure sequentially estimates by autonomous adaptation following Markov chain approach, thus avoiding error associated modeler's choice for these hyper‐parameters. resulting algorithm, named BC‐SubSim, simplifies of method users while ensuring better measure accuracy in posterior distribution improved computational efficiency. A first numerical example is provided illustration purposes provide comparative sensitivity analysis respect initial algorithm. Moreover, efficiency demonstrated two case studies where BC‐SubSim used as tool infer parameters quantified uncertainty based on test data. results confirm suitability tackle real‐life damage parameter inference superiority relation original ABC‐SubSim.

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ژورنال

عنوان ژورنال: Computer-aided Civil and Infrastructure Engineering

سال: 2021

ISSN: ['1093-9687', '1467-8667']

DOI: https://doi.org/10.1111/mice.12762