The plastic buckling of cylindrical shells under biaxial load was studied using rigid-linear hardening model of anisotropic materials.
采用各向异性刚线性硬化模型研究了柱壳的塑性屈曲问题,当把本构方程的起算点设置在线硬化的起始位置时,本构方程具有线性形式,基此建立了柱壳屈曲的基本方程,并用它求解了四边简支柱壳在双轴载荷作用下的屈曲问题,在弱各项异性情况下获得了最小屈曲载荷的解析表达式。
It shows that a newdeformation mechanism,plastic buckling,may occur when the bending resistability of cellis strong enough.
结果表明：当蜂窝材料胞壁抗弯曲能力提高时，一种新的变形模式一塑性屈曲有可能发生。
This paper applies the finite-element method for beam of variable section and the programming language of MATLAB to analyze the buckling strength of whole-corrugated web H-beam under axial pressure, and the comparison with constant cross-section H-beam shows the superiority of whole-corrugated web H-beam.
运用变截面梁单元有限元法和MATLAB高级编程语言对全波纹腹板H型钢在轴心压力下的屈曲性能及其参数对临界荷载的影响进行了分析,并且与等截面H型钢进行对比,用实例说明了全波纹腹板H 型钢的优越性,为这种H型钢在工程中的应用提供了理论依据。
The buckling behaviour of orthotropic fiber-reinforced composite laminates is analyzed by the boundary element method.
本文用边界元法分析了纤维增强复合材料正交各向异性层合板的屈曲性态。
The two kinds of nonlinear buckling (primary buckling and secondary bifurcation buckling) of elastic arches are elaborated in detail.
本文详细阐述了拱的非线性屈曲的两种形式,即极值点屈曲和二次分叉屈曲;建立了一种简捷的计算二次分叉屈曲的方法,并且通过例题证实了其可靠性;通过对拱屈曲前后荷载--位移曲线的全过程分析,研究了矢跨比下拱的各种屈曲性能;提出的索--拱杂交结构能显著地提高拱的承载力并能有效地防止二次分叉屈曲的发生,计算结果对拱的设计有参考价值。
Then linear buckling.
主要内容有:基于ANSYS 平台,利用CT扫描技术,探索出一套建立牙齿等复杂物体的三维有限元分析模型的方法,该法简单实用,模型精确,结果良好;改进了Allen 模型,提出了一种考虑芯层抗弯能力的蜂窝夹层板的等效单层模型,计算简便且精度高,具有广阔的应用前景;用板弯曲元DKT 和平面膜元CST 构造了一种平板型壳元,并采用子空间迭代法实现线性屈曲分析模块,该模块被用于钢结构的梁的设计时,不仅显示出较高的精度,还可考虑梁的诸如宽厚比、局部开洞、荷载位置、约束位置等因素对临界荷载的影响;用VB+OpenGL 开发了紧密结合港工规范、界面友好、数据输入和结果输出符合港工要求、计算结果精度高,从而可在港口工程中推广使用的高桩码头纵梁计算软件。
Two different forms of the wall system with and without stiffeners at two edges are considered in the analysis,and their elastic buckling loads and corresponding buckling modes are investigated theoretically.
提出一种新型的两侧边开缝的钢板剪力墙,并对其两侧边有无加劲肋的两种结构形式进行有限元弹性屈曲分析,分别讨论其临界屈曲荷栽和屈曲模态。
This paper addersses its elastic buckling load and buckling mode under axial loading.
利用有限元软件ANSYS分析了梭形三肢钢管格构柱的几何参数对其弹性屈曲荷载和屈曲模态的影响。
Elastic Local and Distortional Buckling Behavior of Cold-Formed Thin-Wall Lipped Channel Beams;
冷弯薄壁卷边槽钢梁的弹性局部屈曲与畸变屈曲性能分析研究
Investigations on Buckling and Postbuckling Behavior for Advanced Composite Grid Stiffened Structure with a Delamination;
含分层损伤先进复合材料格栅加筋结构的屈曲和后屈曲性态研究
EXPERIMENTAL INVESTIGATION ON OVERALL SHEAR BUCKLING OF SKIN DIAPHRAGMS
蒙皮板的整体剪切屈曲性能试验研究
fibre flexure elastometer
纤维屈曲弹性试验仪
The Buckling and Postbuckling Analysis of Doubly-curved Composite Shells with Nonlinear Finite Element Method;
复合材料双曲率壳屈曲和后屈曲的非线性有限元研究
Local Buckling and Inelastic Interactive Buckling between Local and Global Buckling of Tee Beams;
T形截面梁的局部屈曲以及局部和整体弹塑性相关屈曲分析
Some New Analytical Results for Plastic Buckling and Initial Post-Buckling of Plates and Cylinders Under Uniform Compression
均布压力作用下板和柱面塑性屈曲和初始后屈曲的分析结果
Buckling and Post-Buckling Strength of Shear Panels Degraded by Near Border Cracks
边界裂纹导致的剪力墙板性能退化时的屈曲和后屈曲强度分析
THE IMPACT BUCKLING OF ELASTIC CYLINDER UNDER STEP TORQUE
阶跃扭矩作用下弹性圆柱壳冲击屈曲
Nonlinear Thermal Buckling of Laminated Composite Shallow Spherical Shell;
复合材料层合扁球壳的非线性热屈曲
Thermal Buckling of Elastic Beams in Hamilton System;
Hamilton体系下弹性梁的热屈曲
Analysis of Seimic Performance of Buckling-Restrained Braced Steel Frames;
防屈曲支撑钢框架结构抗震性能分析
Magneto-Elastic Bucking Bifurcation and Chaos Analysis about Bar and Plate;
杆与板的磁弹性屈曲分岔和混沌分析
An Investigation on the Characteristics of Buckling and Vibration of Carbon Nanotubes;
碳纳米管屈曲与振动的若干特性研究
Symplectic Methods in Dynamic and Thermal Buckling of Elastic Cylindrical Shells
弹性圆柱壳动力和热屈曲中的辛方法
Study on Inelastic Yield Load of Concrete Filled Steel Tubular Columns
钢管混凝土柱的弹塑性屈曲荷载研究
The DQE Method for Analyzing the Nonlinear Buckling of Tubular Under Radial Constraints
受径向约束管柱非线性屈曲的DQE法
Study on elastic distortional buckling of lipped channel beam-columns
卷边槽钢压弯构件弹性畸变屈曲研究