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mechanics相关的网络例句

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On basis of statistical mechanics,partition matrix element in traditional Kmeans clustering is changed and a lagrange multiplier controlling the clusters number is introduced.

在统计力学的基础上,对传统K均值聚类划分矩阵里的元素做了形式上的改变,并引入一个调控实际聚类数目的因子。

In this thesis, according the matrix forms in quantum mechanics and the experience of the author in theories and experiments we think that quantum parallelism can be understood equally as that quantum computers process the multiplication of U matrix and vectors directly.

在本文中,由量子力学中的矩阵形式并根据作者在从理论和实验工作中的个人体会,认为该原则被等价地表述为量子计算直接进行的就是U矩阵对矢量的乘法更有利于对量子算法的理解。

Pre-alloyed powder matrixs properties was analyzed and compared with mechanical mixed matrix in mechanics capability. The hardness was heightened 11%, 8%, 4% and bending strength was heightened 10%, 29%, 10%.

将预合金粉烧结的刀头和传统机械混合粉烧结的刀头在各种力学性能上做对比,其硬度分别提高11%,8%,4%;抗弯强度分别提高10%,29%,10%。

To shorten the computational time again, the intermediate variables of Riccati transfer matrix method used in vibration mechanics are improved without changing calculation precision and memory storage.

在Riccati变换时,选择了不同于振动力学Riccati传递矩阵法的合适中间变量,不扩大存储量的前提下进一步减小了计算时间。

And then, the change of elastoplastic matrix, parameters of material mechanics performance with temperature were considered, from thermal elastoplastic constitutive relation and applying the theory of thermal elastoplastic increment, the theoretical finite element equation was established.

考虑了弹塑性矩阵、材料的力学性能参数随温度变化的因素,从热弹塑性本构理论出发,应用热弹塑性增量理论建立了热弹塑性有限元方程。

A considered shear deformation affect, exactitude multi-segment bar member s stiffness matrix was deduced by structural mechanics principle.

利用结构力学原理推导得出了考虑剪切变形影响的精确多分段杆单元模型的单元刚度矩阵。

Metal matrix composite ; meso mechanics ; damage ; cohesive zone model ; Gurson Tvergaard model

金属基复合材料;细观力学;损伤;内聚力模型; G-T模型

Metal matrix composite ; micro mechanics ; damage ; cohesive zone model ; Gurson Tvergaard model

金属基复合材料;细观力学;损伤;内聚力模型; G-T模型

To the problem that the isotropy and the technological efficiency of the parallel kinematic machine based on Stewart platform are not satisfactory, a novel architecture of 6-DOF 3-dimensional platform parallel kinematic machine (6-DOF 3-D PPKM) based on the 2-2-2-SPS 3-D PPR is presented. The technological efficiency of design of the parallel kinematic machine is analyzed. Its workspace and the effect of design parameters to the workspace volume are studied. By using the submatrices of Jacobian matrix and force Jacobian matrix, the kinematics/mechanics transmission isotropic indices, kinematics transmission indices, load-bearing capacity indices at any configuration of the parallel kinematic machine are proposed, respectively.

分析其结构和装配工艺性,研究其定位姿工作空间及机床结构参数对工作空间大小的影响,基于Jacobian矩阵和力Jacobian矩阵中同量纲元素构成的子阵,提出该并联机床在任意位姿的运动/力学传递各向同性评价指标、运动学传递能力评价指标和承载能力评价指标;基于柔度矩阵中同量纲元素构成的子阵,提出该并联机床在任意位姿的力-位置柔度评价指标、力-姿态柔度评价指标、力矩-姿态柔度评价指标和力矩-位置柔度评价指标;研究各性能指标在定位姿工作空间内的分布情况。

Based on the method of matrix transformation used in the compound material mechanics, the anisotropic flexibility matrix of the anisotropic sand with a certain stress state is transformed to be an isotopic one of a certain isotropic reference material with the corresponding stress state, and a corresponding stress matrix is obtained simultaneously.

借鉴复合材料力学中矩阵转换的数学方法,将各向异性砂样的柔度矩阵转化为各向同性等效参考砂的柔度矩阵,同时导出与其相当的应力状态的表达式,以使对各向异性岩土材料的分析可转换为对各向同性状态进行分析,由此可将以前基于各向同性假设的强度条件能够用于各向异性土体。

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