The basic process of FEM and the principle of nonlinear element method are simply presented.
对有限元分析的基本过程及非线性有限元原理进行了简要介绍。
Finally, the nonlinear element is identified by using the test input signal and the reconstructed intermediate input.
最后,非线性元件来识别使用的测试输入信号和重构的中间输入。
This paper presents a modified method for multiple-faults diagnosis of resistance circuits with weakly nonlinear element.
本文提出了一种基本适用于弱非线性电阻电路在软故障情况下的故障分析方法。
In the second case, a nonlinear element may be situated anywhere in a control loop while the input of the element is known.
第二种情况是非线性元件在控制系统的任意处而其输入是已知的。
But the nonlinear element and nonlinear function of such systems have are a special property, namely the jump stochasticity property.
而该系统中的非线性元件和非线性函数项有一个特殊性质,即跳跃随机性。
If the nonlinear element has a single output and multiple input values, the output signal is taken to be sinusoidal and the inputs contain harmonics.
对于非线性元件的输出为单值而输入有多值的情况,令输出为正弦信号,输入包含有各次谐波。
The jump stochasticity property is due to an intrinsic stochasticity source which belongs to both deterministic nonlinear element and nonlinear function.
跳跃随机性是确定的非线性函数项和确定的非线性元件所特有的内随机源。
Accordil1g to the rule "Taking Seat by Order", the specific property matrix of the space geometrical nonlinear element of thin-walled girders is deduced.
按照“对号入座”法则导出了空间几何非线性薄壁梁单元特性矩阵。
There is only one nonlinear element in these circuits and it is very important to realize this nonlinear resistor that chaotic of these circuits can be illustrated.
该类电路中仅含有一个二端非线性电阻,该电阻的实现成为研究电路中的混沌现象极为重要的一个方面。
This thesis deduces computational formulations of displacement sensitivity and stress sensitivity in structural shape optimization considering geometric nonlinear element.
推导了考虑几何非线性项的结构形状优化位移灵敏度和应力灵敏度计算列式。
By introducing nonlinear element, the precision of simulative calculation has been increased. Some ways of improving diesel gen-set's governing behavior have been discovered.
通过引入非线性因子提高了模拟计算的精度,并探讨了提高柴油发电机组调速性能的途径。
Method for computing the element restoring force, rather than the stiffness matrix, is the most important factor that determines the accuracy of a geometric nonlinear finite element problem.
几何非线性单元的精度主要决定于单元恢复力的计算方法,刚度矩阵对单元精度的影响很小。
Based on the geometrical nonlinear finite element (GNFE) theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
本文根据几何非线性有限元理论,提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
A numerical model based on the finite element method incorporating an arc-length algorithm for nonlinear full-range analysis of UPC beams was developed.
建立了基于有限元方法并结合一种弧长算法的适用于UPC梁非线性全过程分析的数值模型。
In this dissertation, nonlinear finite element model establishment method of the guyed mast is studied.
本文研究了桅杆结构非线性有限元模型的建立方法。
Using nonlinear finite element method, the compression load deflection of the seal was analyzed and cross sectional shape of the seal was optimized.
利用非线性有限元法分析了密封条的压缩受力变形特性,根据结构力学原理对密封条横截面形状进行了优化。
The geometric nonlinear finite element method is used to analyze the impact mechanism of dynamic compaction.
采用大变形几何非线性有限元法分析强夯加固机理及其振动对环境影响。
Owing to the use nonlinear boundary element method, extensions to off design conditions can be easily obtained.
由于采用了非线性边界元,文中所提出的方法可以广泛地适用于偏离设计的工况。
This paper applies nonlinear finite element program BSNFEM to analyze the behaviors of eccentrically braced steel frames under cyclic load.
应用BSNFEM非线性有限元程序对偏心支撑钢框架进行了循环加载分析。
The results show that the infinite-element nonlinear model can describe the system more accuracy than the simple separating segment linear model do.
从仿真结果可见,与缆绳吊放声纳系统简单分段的线性模型相比,有限元非线性模型能更准确地描述系统的物理特性。
This paper discusses the apply in the drilling engineering by the method of nonlinear limited element, which is about the torque of string and direction of bit and while drilling.
本文探讨了结构力学分析方法——非线性有限元性在预测水平井钻进中的工程应用。
Biomechanical analysis of artificial hip prosthesis was made by nonlinear finite element method (FEM).
并采用非线性有限元方法,进行人工髋关节的生物力学分析。
Nonlinear finite element analysis of 1:10 advanced nuclear power plant prestressed concrete containment model structure subjected to internal pressure is carried out.
对先进核电厂预应力混凝土安全壳1:10模型结构进行了内压作用下的非线性有限元分析。
Aim at 7075 aluminium alloy vacuum electronic beam welding, using nonlinear finite element, the numerical simulation of the residual stresses distribution in welding joint was made.
针对7075铝合金中厚板真空电子束焊接过程,采用非线性有限元法,对焊接接头的残余应力分布进行了数值模拟。
The ground surface settlement and lateral deflection of retaining wall for deep excavations are calculated using nonlinear finite element method.
利用非线性有限元方法计算了深基坑开挖引起的地表沉降量与墙体侧向挠度。
The researches of nonlinear finite element and experiment indicate that the effect of anti-shear which is aroused by the width of the joints' wing board.
通过试验以及非线性有限元研究发现:节点区翼缘板外伸宽度对节点抗剪性能的影响与梁柱抗弯刚度比有关。
The researches of nonlinear finite element and experiment indicate that the effect of anti-shear which is aroused by the width of the joints' wing board.
通过试验以及非线性有限元研究发现:节点区翼缘板外伸宽度对节点抗剪性能的影响与梁柱抗弯刚度比有关。
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