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Based on the theory of Euler-Bernoulli beam and Winkler assumption for elasticfoundation,a mathematical model is presented.By using Fourier transformation for spacevariable,Laplace transformation for time variable and convolution theorem for theirinverse transformations,a general solution for dynamical problem of infinite beam on anelastic foundation is obtained.Finally,the cases of free vibration,impulsive response andmoving load are also discussed. 相似文献
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In this paper by using the concept of mixed boundary functions,an analytical method is proposed for a mixed boundary value problem of circular plates.The trial functions are constructed by using the series of particular solutions of the biharmonic equations in the polar coordinate system.Three examples are presented to show the stability and high convergence rate of the method. 相似文献
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In this paper the problem of a circular beam subjected to radial impact by a rigid massat its tip in its own plane is investigated on the basis of rigid-perfectly plastic assumption.The analytical solution of the particle velocities is obtained as the function of travellingplastic hinge location.By analysing the solution,some,some special properties of circular beamproblem are found. 相似文献
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In this paper the problem of a circular beam subjected to radial impact by a rigid mass at its tip in its own plane is investigated on the basis of rigid-perfectly plastic assumption. The analytical solution of the particle velocities is obtained as the function of travelling plastic hinge location. By analysing the solution, some special properties of circular beam problem are found. 相似文献
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NONLINEARTHREE-DIMENSIONALANALYSISOFCOMPOSITELAMINATEDPLATES¥(江晓禹,张相周,陈百屏)JiangXiaoyu;(SouthwesternJiaotongUniversity,Chengdu6... 相似文献
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