查询词典 contraction of tensor

Plugged the resulting stress tensor into the momentum equations and its divergence resulted in the production of the Navier-Stokes equations.

向动量方程中引入作为结果的应力张量，并且它的散度产生了Navier-Stokes方程。

From the basic formula of coulomb force and ampere force,together with the concept of electric stress tensor , the mathematic formula of electric force and magnetic force is deduced in this article.

从库仑力和安培力的基本公式出发，引用电应力张量和磁应力张量的概念，导出计算电场力和磁场力的简单数学表示式。

In this dissertation, normal force and tipping torque are studied using Maxwell stress tensor, and their difference between SLIM of steel secondary and SLIM of composite secondary is discussed.

本文应用麦克斯韦张量法对垂直力和颠簸转矩进行了分析计算，比较了钢次级电机与复合次级电机中这两种电机特性的差异，分析了纵向边端效应对它们的影响。

The electrostatic force evaluation with Maxwell stress tensor theory properly explains the experimental results.

采用Maxwell应力张量对微粒受到的静电力进行了计算和分析，其结果从力学角度解释了实验观察得到的结果。

Based on the Maxwell Stress Tensor method, an effective torque calculation model was developed to eliminate the difficulties in torque calculation.

针对目前此类球形电机转矩计算的困难，基于麦克斯韦张量法推导并建立了有效的电机转矩计算模型，运用该方法对已知的电机模型进行分析，获得了典型的转矩特性。

The results shows that die pressure of extruder, relaxation time of polymer and geometrical parameters of die have significant effect on stress tensor in extruder die. By changing the geometrical parameters in the flowing channel, the pressure can be controlled.

模拟结果表明：机头压力、材料的松弛时间以及口模流道的几何尺寸对高聚物在机头中的应力张量的变化影响较大；通过改变挤出流道的几何尺寸，完全可以控制高聚物的熔体压力。

In order to independence establish CFD software, this paper derives Navier-Stokes equations on non-inertial system and Favre-averaged equations, and Reynolds stress tensor on the basis of fluid mechanical fundamental.

为了独立编制CFD软件，本文从流体力学的基本原理出发，推导了非惯性系下Navier-Stokes方程组和Favre平均的方程组，同时对雷诺应力张量进行推导。

In view of the non-linear relation between the hefts of the partial stress tensor and the velocity gradient of the fluid, the intrinsic equation only depends on the first order differential coefficient of the velocity gradient.

考虑流体的偏应力张量分量与速度梯度为非线性关系的情况，本构方程仅依赖于速度梯度的一阶导数。

It is proved that frame indifference of strain energy founctions Wof a hyperelastic materical implies symmetry of Cauchy stress tensor T,and that frame indifference of T implies symmetry of T.

证明了应变能函数的客观性意味着 Cauchy 应力张量的对称性，以及 Cauchy 应力张量的客观性将包含应变能函数的客观性，从而也导致 Cauchy 应力张量的对称性。

Objective To investigate the value of whole brain diffusion tensor imaging histogram in the diagnosis of subcortical vascular dementia.

目的探讨全脑DTI直方图分析对皮质下缺血性痴呆患者的诊断价值。

Eight cases of simple chordee of penis were adopted urethral extending.9 cases of severe simple chordee of penis were adopted primary urethroplasty.

8例单纯性阴茎下弯患者采取尿道延伸术，9例重度阴茎下弯患者采取切断尿道矫直阴茎一期尿道成形术。

She is a daintily dressed young lady.

她是个装饰娇艳的少女。