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Updated: Jun 16, 2026

Design and Optimization Strategies of a High-Performance Vented Box
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Multi-objective optimization of corrugated microperforated panels for broadband sound absorption using adaptive

Zhengping Wu1,2, Lu Ean Ooi3, Yuanbo Liu4

  • 1School of Mechanical Engineering, Tuanku Syed Sirajuddin Engineering Campus, Universiti Sains Malaysia, Nibong Tebal, 14300, Pulau Pinang, Malaysia.

Scientific Reports
|June 14, 2026
PubMed
Summary
This summary is machine-generated.

This study introduces a novel optimization strategy for corrugated micro-perforated panel (CMPP) absorbers, enhancing broadband sound absorption efficiency. The Kriging-based DEU method achieves superior performance with fewer samples, offering a practical solution for complex acoustic challenges.

Keywords:
Adaptive sampling Kriging surrogate modelBroadband sound absorptionCorrugated micro-perforated panels (CMPPs)Multi-objective optimization

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Area of Science:

  • Acoustics
  • Materials Science
  • Optimization

Background:

  • Corrugated micro-perforated panels (CMPPs) present complex acoustic behavior in limited spaces.
  • Multi-parameter coupling in CMPPs complicates broadband, high-efficiency sound absorption design.

Purpose of the Study:

  • To develop an efficient optimization strategy for CMPP absorbers.
  • To achieve broadband and high-efficiency sound absorption design for CMPPs.

Main Methods:

  • Proposed a Kriging-based DEU (Directional Enrichment and Update) adaptive sampling strategy.
  • Utilized finite element simulations for sound absorption coefficient calculations.
  • Employed Multi-Objective Particle Swarm Optimization (MOPSO) to determine the optimal design.

Main Results:

  • The DEU method demonstrated higher surrogate modeling efficiency and better optimization performance than conventional LHS sampling.
  • Achieved improved predictive reliability with significantly fewer samples.
  • Identified an optimal CMPP configuration through Pareto front analysis and knee-point selection.

Conclusions:

  • The proposed Kriging-based DEU strategy is effective for optimizing CMPP absorbers.
  • The method offers a practical approach for broadband and high-efficiency sound absorption design.
  • Experimental validation confirmed the strategy's effectiveness and potential.