查询词典 stiffness

Based on the inverse mapping with linear deformation, the geometric mapping was used to carry out the second element transformation in order to avoid the abnormality of the stiffness matrix and to improve the stability and the convergence of the numerical calculations.

在现有线性变形逆向映射法的基础上，采用几何映射法计算变换单元，避免单元刚度矩阵出现畸形，提高钣金展开有限元逆算法的稳定性和收敛速度，对几何映射法与投影法所计算的变换单元进行了对比，数值计算结果表明用几何映射法计算的初始估算展开料形状更接近于最终的钣金件展开形状。

The main work carried out goes as following:(1) The stiffness matrix of the 8-noded isoperimetric brick element with equivalent reinforcement membrane is carefully deduced.

本文的主要工作如下：(1)推导了带钢筋薄膜的八结点六面体等参数单元的单元刚度矩阵。

Then, the isotropy of the magnetic bearing supporting to the rotor is proved by the static magnetic field analysis and the linear stiffness is calculated.

在此基础上，建立了磁力轴承-转子系统的动力学方程，用有限元法计算了高速电机转子的临界转速。

Patients first complain of headaches and afterwards complain of arm or leg stiffness or itchiness or pain.

患者第一次抱怨头痛和事后抱怨手臂或腿部僵硬或痕痒或疼痛。

In order to know the response of membrane structure under wind and snow, static FEM analysis has been performed making use of step by step load and iteration with updated stiffness.

为了掌握膜结构在风荷和雪荷作用下的反应规律，本文采用增量变刚度迭代法，进行有限元静力分析。

During the next few days there is a growing sense of anxiety, jumpiness, disorientation, neck stiffness, and sometimes seizures or convulsions.

在未来数天内有一个日益增长的忧患意识， jumpiness ，迷失方向，颈部僵硬，有时缉获量或抽搐。

The relationship between the effect of friction on the motion and the parameters, including driving velocity, the kinetic friction coefficient, the friction drop number between the static and kinetic friction coefficient, and the joint equivalent spring stiffness, is investigated quantificationally.

本文分别计算这两类系统受同样激励时的摩擦扰动均值比，进行对比研究，在相同参数条件下，包括动摩擦系数，静动摩擦落差数和激励幅值，摩擦对微振动系统的影响一般要大于对有限刚体运动系统的影响。

It affects the cartilage on the back of the kneecap and causes pain and stiffness, especially when going up and down stairs.

它影响到软骨在背部的卡斯特罗和原因疼痛和僵硬，尤其是当不断上升，上下楼梯。

The main clinical expressions of KOA are knee joint pain, stiffness and limitation of activity.

临床上以膝关节疼痛、僵硬及活动受限为主要表现。

Methods Six cadaveric lumbar vertebrae were harvested and evaluated with dual-energy x-ray absorptiometry and quantitative computed tomography to assess bone mineral density. Matched, polyaxial pedicle screws were then randomly assigned by side and placed using the Magerl, Krag or caudad trajectory technique assisted by Iso-C 3D scan and 3D navigation system. Cyclic loading tests were performed with a maximum 250 N load at 3 Hz up to 30000 cycles while recording load and displacement. Stiffness quotients were calculated it comparison.

从尸体中获取6节腰椎椎体经DEXA和QCT检测骨密度值，证实为骨质疏松后在计算机导航下按随机分组的方法向12个椎弓根中置人不同方向的椎弓根螺钉，使用MTS-858生物力学仪脊柱力学测试平台进行±250N的循环负荷疲劳测试，记录负荷循环中的螺钉位移，计算系统的刚度系数并进行对比分析。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。