1) higher-order shear deformation theory
高阶剪切变形理论
1.
A new higher-order shear deformation theory based on global-local superposition and refined triangular plate element of composite laminate;
新型整体-局部高阶剪切变形理论及层合板精化三角形单元
2.
Four-node quadrilateral element formation for laminated composite plates based on 1,2-3 higher-order shear deformation theory
基于1,2-3高阶剪切变形理论的四边形层合板单元列式
3.
According to the Reddy’s higher-order shear deformation theory,geometrically nonlinear governing equations and their boundary conditions of laminated composite plates,including the hygrothermal effects,are obtained by the virtual displacement principle.
根据Reddy的高阶剪切变形理论,在应力应变本构关系中考虑湿热环境的影响,用虚位移原理推导出以位移形式表达的复合材料层板的几何非线性控制方程及相应的边界条件。
2) high order shear deformation theory
高阶剪切变形理论
1.
The study is based on the Reddy s high order shear deformation theory.
首先用虚位移原理推导出以位移形式表达的Reddy型高阶剪切变形理论复合材料层板的非线性控制方程及相应的边界条件。
3) High-order shear deformation theory
高阶剪切变形理论
1.
Based on Reddy抯 high-order shear deformation theory, geometrically nonlinear governing equations of composite laminated plates are obtained in the form of displacements by the virtual displacement principle.
首先用虚位移原理推导出以位移形式表达的Reddy型高阶剪切变形理论的复合材料层板的非线性控制方程。
2.
This paper presents the variational consistent mass matrices corresponding to the high-order shear deformation theory in the analysis of composite plates and shells, and studies the influence of the consistent mass matrices on the evaluation of the transverse vibrations.
本文讨论复合材料板壳分析中对应于高阶剪切变形理论的变分协调质量矩阵,及它们对计算横向振动频率的影响。
4) higher order shear deformation theory
高阶剪切变形理论
1.
Study on displacement model of higher order shear deformation theory of laminated composite plates;
复合材料层合板高阶剪切变形理论位移模式的研究
2.
Based on the Reddy′s higher order shear deformation theory, geometrically nonlinear governing equations and their boundary conditions of composite laminated plates are obtained in the form of displacements by the virtual displacement principle.
根据 Reddy的高阶剪切变形理论 ,用虚位移原理推导出以位移形式表达的复合材料层板的非线性控制方程及相应的边界条件。
5) first-order shear deformation theory
一阶剪切变形理论
1.
Based on the first-order shear deformation theory(FSDT),the finite element analytic method using 4-node and 20 DOF quadrilateral bending element with angular rotation for arbitrary laminated composite plates is presented in this paper.
以带转角的4节点20个自由度的四边形复合材料层合板单元为研究对象,建立了基于Mindlin一阶剪切变形理论的任意铺设情况层合板的有限元分析方法。
2.
The formulation of a new simple displacement-based, quadrilateral 20 DOF (5 DOF per node) finite element based on the first-order shear deformation theory (FSDT) for analysis of laminated composite plates is presented in this paper.
本文给出一种基于一阶剪切变形理论(FSDT)新型的、无闭锁的位移型四边形复合材料层合板单元TMQ20的列式;并根据Hellinger-Reissner变分原理,针对位移型复合材料板单元提出了一种新型应力杂交化后处理方法来改善单元计算应力的能力,使位移型单元可以简单和正确地预测层合板的应力,特别是层间横向剪应力的解。
3.
According to plate element ATF-PQ4a based on analytical trial functions, new finite element CATF-PQ4aH based on the first-order shear deformation theory(FSDT) for analysis of laminated plates is conducted in this paper.
根据基于解析试函数构造的ATF-PQ4a单元,按照层合板一阶剪切变形理论,对Timoshenko层台梁理论中的弹性模量和剪切模量进行双线性插值,构造了层合板单元CATF-PQ4aH;并对该单元进行应力杂交化处理,以改善单元计算应力的精度。
6) first order shear deformation theory
一阶剪切变形理论
1.
A first order shear deformation theory is used for symmetrically laminated plates in the paper.
本文采用层合板的一阶剪切变形理论，将纤维铺设角、材料参数和从层合板的中面到第Ｋ层板上表面的距离ＺＫ视为设计变量，研究了对称层合板特征值的灵敏度计算问题。
2.
Based on the shell theory and the first order shear deformation theory, an accurate strain-displacement relationship of the helicoidal structure modeled is derived.
基于板壳理论和一阶剪切变形理论导出了螺旋状结构模型精确的应变-位移关系,根据虚功原理建立其自由振动的能量方程,运用瑞雷-李兹法建立该螺旋状结构的解析特征方程,并通过有效的计算方法求解其自由振动特性。
3.
Based on the first order shear deformation theory, dynamic instability of finite length symmetrical laminated cylindrical shells and panels sandwiched between piezoelectric materials with simply supported boundary conditions is analyzed under the action of electric field and two way periodic compression.
应用一阶剪切变形理论 ,分析了简支边界有限长含压电层的对称层合圆柱壳及壳块在谐变电场及双向周期荷载作用下的动力稳定性问题 ,并用模态展开的方法得出一阶动力不稳定区。
补充资料：VB理论
分子式：
CAS号：
性质：简称VB理论，也称电子配对法。其核心思想是原子中的未成对的价电子以自旋相反配对形成定域化学键，由此可近似求解分子薛定谔方程。近代价键理论的基础始于1927年海特勒与伦敦对氢分子的处理，随后鲍林把它推广应用于较复杂的分子，但由于理论计算繁杂而发展缓慢。
CAS号：
性质：简称VB理论，也称电子配对法。其核心思想是原子中的未成对的价电子以自旋相反配对形成定域化学键，由此可近似求解分子薛定谔方程。近代价键理论的基础始于1927年海特勒与伦敦对氢分子的处理，随后鲍林把它推广应用于较复杂的分子，但由于理论计算繁杂而发展缓慢。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条