Starting from the variation principle of elasticity theory, the finite element method (FEM) theory is introduced simply.
从弹性力学的变分法原理出发，简单介绍了有限单元法。
The method based on the cubic B-spline function, beam vibration function (or trigonometric functions) and variation principle.
这个方法是建立在三次样条函数、梁振动函数(或三角函数)及变分原理基础上。
Based on the continuity equation of ground water and the variation principle, the seepage differential equation can be acquired.
根据地下水的连续方程和变分原理建立渗流场微分方程。
Using variation principle, the difference discrete scheme with diffusion flux form on the irregular hexahedral grid is constructed.
在非正规六面体网格上，用变分原理建立扩散流形式的差分格式。
Based on the variation principle, the composite element method (CEM) is studied for seepage analysis considering discontinuous surfaces and drainage holes.
基于变分原理，研究渗流分析中模拟排水孔和不连续面的复合单元法。
This dissertation establishes numerical methods in structural analysis on the basic of variation principle, finite member element method, spline function, etc.
本文利用变分有限元法、样条函数等，提出了薄壁箱梁结构分析的数值理论和方法。
Then, Lagrange arithmetic operator is applied in variation principle of finite deformation resilience to establish a generalized variation principle of springback.
然后应用拉氏乘子法于有限变形回弹变分原理建立有限变形广义回弹变分原理。
Based on biconjugate gradient method, we redefine inner products using general variation principle, which can make complex linear equations solving have high-performance.
在一般双共轭梯度法的基础上，本文利用广义变分原理对内积进行了重新定义，使双共轭梯度法求解复线性方程组更为有效。
Based on Hamilton's law of variation principle, the high accuracy incompatible formulation of finite dynamic element that increased internal degree of freedom was established.
汉密尔顿的法律基础上的变分原理，高精度不相容的配方，增加内部自由度动态有限元成立。
Surrounding non-integrity system mechanical model of digital human body, the variation principle of human body non-integrity system mechanics was developed to study in this paper.
该文围绕数字人体非完整系统力学模型，开展了人体非完整系统力学的变分原理研究。
Through cutting experiments in which the contact length between chip and rake face of restricted contact cutter is reduced step by step, the variation principle of cutting force is studied.
通过切削试验，研究了限制接触刀具前刀面的刀—屑接触长度逐渐减小时切削力的变化规律。
Based on energy variation principle, the nonlinear control equations of elastics plate on (two-parameter) foundation including the coupled effect of the foundation are derived in this paper.
基于能量变分原理，考虑地基耦合效应，建立了双参数地基上弹性板的非线性静力平衡方程。
From the variation principle, an analytical solution of the tangential stiffness matrices with nonlinear effects geometrically, for two-nodal two-dimension curved beam element, has been derived.
利用变分原理，推导了两节点二维曲梁单元几何非线性的单元切线刚度矩阵。
The variation principle of the 3-D contact problem is introduced, the related formulas based on the finite element method are derived, and the contact mode and condition of the boundary are discussed.
介绍了三维接触问题的变分原理，推导了接触问题有限元计算公式，讨论了边界接触模式和接触条件。
This approach is a variation of the separation of concerns principle embodied in the Model-View-Controller architecture.
这种方法是分离关注点原则的一个变种，附在模型-视图-控制器架构中。
Reason, on the other hand, is a mere principle or potential order, on which indeed we may cometo reflect but which exists in us ideally only, without variation or stress of any kind.
另一方面，理性知识一种原则或者是潜在的秩序，我们确实可以在此基础上存在于我们心中，没有种种变化，或任何压力。
Although the difference is little in principle between airplane imaging and ship imaging, the pose variation of ship is more complicate for the fluctuation of sea, so it need to be studied specially.
虽然舰船成像与飞机成像在基本原理上没有区别，但由于海水的波动，使舰船的姿态变化比较复杂，有必要作专门的研究。
Synergistic effects, nonlinear variation, and difficulties in discounting the future make the intellectual problem difficult, but not (in principle) insoluble.
这项智力难题因协同作用，非线性变化，和考虑将来而变得困难，但(原则上)不是不可能解决。
The establishment of variation-principle is of benefit to deriving the finite element method or semi-analytical solution to the cylindrical shell static-dynamical problems of piezoelectric materials.
变分原理的建立将有利于压电材料圆柱壳静力学和动力学问题的有限元方法或半解析法的推导。
Methods: According to the principle and methods of the WHO stipulation, the influenza epidemic strains, antigen, gene variation, serum antibody and virus multi-pathogen were monitored.
方法：按who规定的原理和方法进行：对流感流行株、抗原和基因变异以及血清抗体和病毒多病原实行监测。
Owing to the modified error in principle, the manufacturing error and the variation of the load, there still exists the mesh impact in the transmission of modified spur gear.
由于存在修形原理误差、齿轮加工误差以及载荷工况的变化，渐开线修形齿轮在使用中仍会有啮合冲击现象。
This design principle and method can also be applied in rotating disk-shaped part processing machine with speed variation.
该设计原理与方法同样适用于其它具有转速变化的回转体盘形零件加工机器上。
The work principle of belt tensioning device is explained. Power source incorporating accumulator can damp pressure variation of the system, hence to keep the stable tension of the belt.
说明了皮带自动张紧装置的工作原理，带蓄能器的动力源能缓冲系统压力变化，从而使皮带的张紧力保持稳定。
Its working principle and load voltage variation are all presented.
概述了其工作原理及负载电压变化。
Using these results, this paper presents filter-separation principle and filter surplus-separation principle of variation knowledge.
利用这些结果，给出变异知识过滤-分离原理和变异知识过滤剩余-分离原理。
The fourth part from the analysis summary porch space rule, the variation rule obtained, proposed the porch space the principle which should follow in the design.
第四部分从分析总结廊空间的规律、变异规律入手，提出了廊空间在设计中应遵循的原则。
The principle and the inherent demerits of tuned AC filter are discussed, the detuning due to variation of filter parameters is the main cause of deterioration of filtering performance.
论述了交流调谐滤波器的工作原理和固有缺点，说明滤波器参数变化所引起的失谐是导致滤波性能恶化的主要原因。
Results: the variation of tooth position gave no effects to the directions of principle stress around apex area in symmetrical occlusal type.
结果：在对称性咬合，牙位的变化对各牙的根尖主应力方向无影响。
A method of region partition based on the curvature variation of data points is proposed. This algorithm is simple in principle, easy for understanding and programming.
提出了一种基于数据点曲率变化区域分割方法，该算法原理简单、易于理解和编程。
A method of region partition based on the curvature variation of data points is proposed. This algorithm is simple in principle, easy for understanding and programming.
提出了一种基于数据点曲率变化区域分割方法，该算法原理简单、易于理解和编程。
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