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A Bayesian parameter inversion method based on saddlepoint approximation prior
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DOI：10.1016/j.probengmech.2026.103944.png)
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Abstract
En 中文
• A flexible prior construction strategy based on SPA is proposed to overcome the problem of relying on empirical assumptions in traditional prior modeling. • A Bayesian inversion method integrating SPA and iTMCMC is established. • Numerical examples verify the advantages of the proposed framework over traditional empirical-assumption-based methods. • Parameter inversion and reliability assessment of space truss structures are realized by this method.
Keywords:
Bayesian inversion
Saddlepoint approximation
Prior construction
Parameter estimation
Space truss structures
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