1) iteration method in subspace in successive levels
逐层子空间迭代法
1.
In this paper,the theory and the technique of ISS (iteration method in subspace in successive levels) are presented.
介绍了逐层子空间迭代法的基本原理及实现步骤。
2) the iteration of layer by layer
逐层迭代法
1.
Calculating drum′s unit pressure by the iteration of layer by layer;
逐层迭代法计算卷取机卷筒单位压力
3) subspace iteration method
子空间迭代法
1.
Taking the double-cable suspension bridge located in the lower reach of the Huanghe Daxia Reservoir as an example,the natural vibration characteristics of the suspension bridge are analyzed by introducing in 3-D tension-only elements and adopting the subspace iteration method of the geometrical nonlinearity nature.
引入只受拉三维拉索单元,采用考虑几何非线性的子空间迭代法对黄河大峡水库下游某双索悬索桥自振特性进行分析,理论值与实测值能较好的吻合,说明该空间非线性有限元分析方法的正确性;进而将该桥与相同跨径和结构参数的单索悬索桥的自振频率、振型进行对比分析,结果表明双索悬索桥能有效提高桥梁一阶竖弯振动频率。
2.
The free vibration characteristics of stringed beam structure were analyzed systematically with subspace iteration method of software ANSYS.
利用ANSYS软件中的子空间迭代法,分析了张弦梁结构的自振特性,针对不同的参数如矢跨比、垂跨比、撑杆数、横索数、预应力度和整体倾角等进行了大量参数分析,得出了各参数对张弦梁结构的自振特性的影响及张梁弦结构的自振规律。
4) subspace iteration
子空间迭代法
1.
A subspace iteration algorithm is applied to solve the problem using a quasi front method.
针对叶片动频率陀螺特征值问题,首先将其转化为等价的广义实对称矩阵特征值问题,然后用拟波前子空间迭代法进行求解。
2.
By the EBE strategy and the preconditioned conjugate gradient method (PCG method),we have developed an EBE-subspace iteration for generalized eigenproblems, in which all computations are performed on the element level.
本文利用EBE策略和预处理共轭梯度法(PCG法),将广义特征值问题子空间迭代法中各步的计算都单元化,从而避免了总刚度和总质量矩阵的组集,大大节省了存储量。
3.
In this paper, subspace iteration is used to reduce high-order dynamic systems to loworder ones.
本文采用子空间迭代法将工程结构高阶动力系统减缩为低阶动力系统,然后用Collatz包含定理的推广求出该结构系统的最低阶固有频率。
5) an adjoint simplectic subspace iteration method
辛子空间迭代法
6) sub-space iteration method
子空间迭代法
1.
Based on modal type analysis in ANSYS finite element analysis program, sub-space iteration method is employed to calculate the dynamic characteristics of this structure.
以郑州国际会展中心会议厅钢屋盖为研究对象,根据ANSYS有限元分析程序中的模态分析,利用子空间迭代法对结构进行了计算,分析了这种新型的预应力大跨空间钢屋盖的动力特性。
2.
Dynamic behavior of spaced truss is tested and analysed using free vibration and sub-space iteration methods respectively.
采用自由振动法测试和子空间迭代法分析网架结构的动力特性,并用增加钢材质量密度的方法来考虑由于混凝土屋面板的存在对网架结构质量的增加,求解网架的自振频率和振型,测试结果与计算结果相当吻
3.
The first five natural frequencies with different plate thickness are obtained using the sub-space iteration method.
通过编制程序,采用子空间迭代法求得不同板厚的前5阶固有频率值,并将计算结果与理论解和有限元软件ABAQUS的结果进行比较。
补充资料:层子
见强子结构。
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