综放工作面上覆岩层存在着比分层开采层位更高的平衡结构,以大变形梁的形式存在。
There is a balance structure of upper rock layer in higher level compared with the layered extraction, which exists in the form of finite deformation beam.
研究了绝对坐标法在大变形柔性梁系统刚-柔耦合动力学问题中的应用。
The application of an absolute nodal coordinate (ANC) formulation in the coupling dynamics of flexible beams with large deformation was investigated.
通过给出橡胶梁弯曲变形的数值算例,说明再生核粒子方法在解决大变形等工程问题上有着精度高,自适应能力强等特点。
Finally, a numerical instance of rubber beam bending deformation is given to demonstrate that the method is highly accurate and self-adaptive in solving large deformation engineering problems.
将梁的弹性大挠度弯曲理论应用于蜂窝壁板,研究了大变形条件下蜂窝材料的非线性剪切变形行为。
Basing on the elastic bending theory of beams in large deflection, the non-linear shearing behavior of cellular materials under large deformation is studied in the paper.
建立了分析均布载荷作用下受约束悬臂梁的弹性大变形三阶段模型。
A model for analyzing the large deflection of an elastic cantilever beam with constraint under uniformly distributed load was established.
本文运用模糊神经网络原理,采用学习结合型FNN方法,针对两种不同材料梁的大变形进行了网络建模和预测的数值仿真。
Principles of fuzzy neural network and FNN method are adopted for the numerical simulation of network modeling and forecasting of beams with finite deformation of two different materials.
提出一种求解几何非线性问题的优化算法,并研究了简支梁的几何非线性大变形问题。
An optimum algorithm is proposed to solve the geometrically nonlinear problem for a simply-supported beam with large deformation.
该方法是基于曲梁大变形理论及断裂力学而提出来的。
The approach is based on large deflection characterisation of a curved beam, coupled with fracture mechanics concepts.
基于轴向可伸长梁的几何非线性理论建立了弹性直梁在热过屈曲静态大变形附近自由振动的几何非线性模型。
Based on the geometrically nonlinear theory for axially extensible beams, formulations of free vibrations in the vicinity of thermal post-buckling were derived.
对欧拉梁的大变形问题进行了深入研究,直接从欧拉梁的非线性挠曲线微分方程,推导出求解梁挠度的一种简便有效的积分表达式。
Large deformation problems of Euler beams are studied. An efficient integration formula for the deflection is deduced directly from the nonlinear differential equation.
提出了梁壳垂直组合结构在有限元计算中存在的问题,并以几何大变形问题为依托提供了解决该问题的计算原理和有限元方法。
The problems in computing beam-shell-composed structures with the finite element method are pointed out, and a corresponding solution method is proposed based on the finite deformation theory.
本文提供了一种求解变截面悬臂梁在任意载荷作用下最大正应力及最大变形的方法。
It may solve the problems of maximum stress and maximum deformation of cantilever beams with variable cross section under arbitrary loads.
本文提供了一种求解变截面悬臂梁在任意载荷作用下最大正应力及最大变形的方法。
It may solve the problems of maximum stress and maximum deformation of cantilever beams with variable cross section under arbitrary loads.
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