| Modelling of Laser—Generated Guided Waves in Bonded Plates with a Weak Interface by the Two—Layer Normal Mode Expansion Method |
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| 引用本文： | 杜Jun 程建春 等.Modelling of Laser—Generated Guided Waves in Bonded Plates with a Weak Interface by the Two—Layer Normal Mode Expansion Method[J].中国物理快报,2003,20(1):76-79. |
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| 作者姓名： | 杜Jun 程建春 |
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| 作者单位： | [1]InstituteofAcousticsandNationalLaboratoryofModernofModernAcoustics,NanjingUniversity,Nanjing210093 [2]InstituteofAcousticsandNationalLaboratoryofModernofModernAcoustics,NanjingUni |
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| 摘 要： | The two-layer normal mode expansion method is employed to analyse the laser-generated elastic guided waves in bonded plates accounting for the adhesive bond layer in terms of a weak interface with the spring model.The sensitivity of dispersion and transient characteristics of the guided wave to the stiffness coefficients characterizing the cohesive quality is analysed in details.This Method provides a new prominsing way for the characterization of the cohesive quality in bonded plates.
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| 关 键 词： | 胶合板 粘结质量 激光产生导波 测量 |
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