The integral transform solution of the semi-infinite elastic foundation under vertical steady loading is combined with the analytic solution of an elastic beam with two free ends,which leads to an analytical solution of the beam with two free ends on the semi-infinite elastic foundation.
将弹性半空间地基受任意横向荷载作用下的静力位移积分变换解与两端自由梁的弯曲解析解相结合,采用三角级数展开的方法,对地基反力不做任何假设,求得了弹性半空间地基上两端自由梁受任意横向荷载作用下的解析解,包括梁的挠度、弯矩及梁与地基之间的接触反力。
A study on the dynamic response modes of a free beam sujected step-loadings at two free ends
空间自由梁两端受阶跃载荷作用下的响应模式
The rigid modal of free beam on inhomogeneous Winkler foundation or double-parameter foundation relates to the interaction between beam and soil.
非均匀单参数(Winkler)地基和双参数(Pasternak)地基上自由梁的刚体模态与梁体—土体间的相互作用有关,当约束或支承不影响梁的平动和转动时,相应的刚体模态则会出现。
Utilizing finite difference method numerical elastic-plastic calculation of free beam on elastic foundation is made,which experience perpendicularly impact in midpoint.
利用有限差分法,对在中点受到质量块垂直撞击的弹性地基上自由梁进行了弹塑性数值计算,通过对响应早期梁中弯矩的分布与变化规律的分析,阐明了响应过程中弹性弯曲波的传播特征以及与塑性波的相互作用,为建立准确的分析模型和实际工程实践提供了指导。
The dynamic response of a free free beam with uniform rectangular cross section subjected to impact by a mass at both free end is analyzed theoretically.
对矩形截面自由梁在两端同时受到完全相同的集中质量横向撞击问题进行了理论上的研究 ,通过采用刚塑性的材料模型得到了其动力响应完全解。
Shear effect of a free free beam subjected to impact by a projectle at the mid span was studied and the non dimensional criterion of the shear failure was presented.
着重研究了自由梁在中点受到质量块撞击后的剪切效应 ,给出了发生剪切失效的无量纲判据。
An analysis is presented in this paper for predicting the initial deformation modes of a rigid plastic free free beam with uniform rectangular cross section impacted normally by a small size of flat nosed solid cylindrical missile at the middle of its span.
研究了均匀矩形截面刚塑性自由梁中部在小尺寸、平头、圆柱形刚性弹体撞击下的三种变形模式,即梁的刚体平动、单铰变形模式和三铰变形模式。
This paper makes a research on the topic of dynamic responses of free-free beams impacted by impulsive load firstly.
本文从自由梁在强动载荷作用下的动力响应展开工作,然后针对船舶碰撞的一些固有的特性,建立了最简单的自由梁撞击刚性墙模型,讨论了影响碰撞力的多种因素,验证了碰撞特性与其中的一些影响因素之间的简单关系,以期为船舶碰撞课题打下理论知识和仿真技术的铺垫。
A study on the dynamic response modes of a free beam sujected step-loadings at two free ends
空间自由梁两端受阶跃载荷作用下的响应模式
Solution to free vibration of Euler beam and girder system with Element-Free Galerkin method
无单元法求解欧拉梁及梁系的自由振动问题
On the Characteristics between Individual Freedom and State Freedom of Liang Qichao's Liberal Theory
个人自由与国家自由的张力——梁启超自由主义思想探析
Liang Shiqiu and Art Philosophy of Chinese Modern Literalism;
梁实秋与中国现代自由主义艺术哲学
Conflict and Harmony--On the liberalism Idea of Liang Shi-qiu;
冲突与融合——梁实秋的自由主义思想论
Analytic Solution to Piezoelectric Cantilever Beam with Concentrated Force at Free End;
悬臂压电梁自由端受集中力的解析解
Free Vibration of Non-uniform Timoshenko Cantilever Beams
变截面Timoshenko悬臂梁自由振动分析
Modal analysis of composite beam of 165MN free forging hydraulic press machine
165MN自由锻造油压机组合梁模态分析
A SELF-ADAPTIVE FEM FOR FREE VIBRATION ANALYSIS OF PLANAR CURVED BEAMS WITH VARIABLE CROSS-SECTIONS
平面曲梁面内自由振动分析的自适应有限元法
Three Degree-of-freedom Forced Vibration Method for Identification of Aerodynamic Derivatives of Bridge Decks;
桥梁断面气动导数识别的三自由度强迫振动法
Free Vibration and Thermal Shock of Functionally Graded Beams and Circular Plates;
功能梯度材料梁和圆板的自由振动及热冲击
Identification Method of Free Coupled Vibration for Aerodynamic Derivatives of Bridge Decks;
桥梁断面气动导数自由耦合振动识别方法研究
A General Study on Outlook of Liang QiChao Over Freedom of Press in the West;
试论梁启超对西方新闻自由思想的认知与批判
Speeding up the Social Work in the Construction of Harmonious Society;
社会工作:由个体自身和谐通向社会和谐的桥梁
Analysis of Bending, Buckling and Free Vibration of Functionally Graded Materials Beam
功能梯度材料梁弯曲、屈曲和自由振动分析
Nonlinear free Vibration of a Compliant Beam Immerged Partially into Water
部分浸入水中的柔性梁非线性自由振动
Approximate analytical solutions to the transient response of unconstrained damped cantilever beams
自由阻尼悬臂梁瞬态响应的近似解析解
FREE VIBRATION ANALYSIS OF THE BEAM INTERACTION WITH THE VISCOELASTIC FOUNDATION
与黏弹性地基相互作用的梁的自由振动分析