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September 29, 2025Academic Journal of Science and TechnologyOpen Access

Global Sensitivity Analysis of Structural Random Response Based on Polynomial Chaotic Expansion

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Authors

QCQi ChengCZCheng Zhen

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Overview

This analysis identifies key variables affecting displacement in a cantilever beam, suggesting polynomial chaos expansion enhances efficiency over Monte Carlo methods.

Key Points

  • Polynomial chaos expansion effectively identifies significant variables affecting output variance.
  • The method demonstrates superior computational accuracy compared to the Monte Carlo simulation approach.
  • Results indicate reduced computational costs while accurately capturing sensitivity rankings.
  • This tool offers significant implications for stochastic optimization in structural engineering.

Cite This Study

Cheng et al. (2025) studied this question.

synapsesocial.com/papers/68da58e0c1728099cfd117d3https://doi.org/10.54097/1shtxn12
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