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复合材料层合加肋板中的瞬态波传播 被引量:1

TRANSIENT WAVE PROPAGATION IN STIFFENED LAMINATED COMPOSITE PLATES
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摘要 研究复合材料加肋层合板结构受冲击载荷作用下的瞬态波传播.加肋层合板模型被处理成层合板的弯曲运动与层合梁的扭转与弯曲运动的耦合连续模型.通过Laplace变换,并采用回传射线矩阵法(MRRM),基于一阶剪切变形层合板理论,确定复合材料加肋层合板结构中传播的各条射线群.采用FFT变换,计算各种冲击载荷作用下加肋层合板结构的短时瞬态响应,并分析讨论脉冲类型对加肋层合板结构短时瞬态响应的影响. 研究复合材料加肋层合板结构受冲击载荷作用下的瞬态波传播.加肋层合板模型被处理成层合板的弯曲运动与层合梁的扭转与弯曲运动的耦合连续模型.通过Laplace变换,并采用回传射线矩阵法(MRRM),基于一阶剪切变形层合板理论,确定复合材料加肋层合板结构中传播的各条射线群.采用FFT变换,计算各种冲击载荷作用下加肋层合板结构的短时瞬态响应,并分析讨论脉冲类型对加肋层合板结构短时瞬态响应的影响.
出处 《固体力学学报》 CAS CSCD 北大核心 2011年第S1期229-234,共6页 Chinese Journal of Solid Mechanics
基金 国家重点基础研究发展计划(973计划 No.2011CB711102)资助
关键词 复合材料层合加肋板 冲击载荷 瞬态波 短时瞬态响应 回传射线矩阵法 stiffened laminated composite plates impact load transient waves early short time transient response reverberation ray matrix method
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