A First-Order Shear Deformation Theory-Based Analytical Approach for Acoustic-Vibration Research of Rib-Stiffened PVC Foam Sandwich Structures with Reinforcing and Weakening Phases.

Polymers (Basel) · 2026 · PMC13119897 · PMID 42076293

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a decreasing trendno p-value reported

an increasing trendno p-value reported

The overall level of MQV shows a decreasing trend (10 mm total level = 122.67 dB; 20 mm total level = 121.96 dB; 30 mm total level = 121.88 dB), but the overall level of field point sound pressure shows an increasing trend (10 mm total level = 123.62 dB; 20 mm total level = 124.19 dB; 30 mm total level = 124.80 dB).

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