弹性板中柱面Lamb波问题的哈密顿体系方法A method of Hamiltonian system for cylinder Lamb waves in elastic plates
吴仕荣;赖安迪;周凯;周震寰;徐新生;
摘要(Abstract):
针对柱面Lamb波问题,引入哈密顿体系并利用辛本征值和本征解及其辛共轭正交关系,得到柱面Lamb波解析解.采用表面载荷激励的柱面Lamb波,分析Lamb波传播特点.研究结果表明:数值模拟结果与文献实验结果吻合,说明在分析柱面Lamb波问题中哈密顿体系方法是可靠和准确的.研究结论可用于对含损伤板的响应分析,并为结构健康监测和检测提供依据.
关键词(KeyWords): 柱面Lamb波;哈密顿体系;弹性板;辛本征值;柱坐标系
基金项目(Foundation): 大连市科技创新基金(2018J11CY005)
作者(Authors): 吴仕荣;赖安迪;周凯;周震寰;徐新生;
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