查询词典 stiffness

A simplified approximate calculation method is present in this paper for the central principal axis stiffness of numerical control processing.

这篇文章介绍了一种简化的近似计算数控加工中心主轴组件的方法。

Applying the concept of equivalent negative stiffness of axial forces, the approximate formula for the critical load of the system is suggested, and compared with theoretical results.

对伸臂位于项部的两层框架—筒体模型进行精确位移法分析，得到了结构有侧移失稳的临界荷载精确解。

To achieve a low stiffness beam in a micro plane, the planar spiral beam based on Archimedes' spiral is designed.

为了获得低刚度，设计了基于阿基米德螺旋线的平面螺旋梁结构。

To achieve a low stiffness beam in a micro plane,the planar spiral beam based on Archimedes′spiral is designed.

微开关由一个带触点的基座、一个惯性敏感单元以及框架和封盖组成。

In the second chapter, elementary theories and ideas of one step forming inverse approach were described and warped modification method, implemented by Cook, was introduced into one step forming simulation and based on idea of surface spreading; new quadrilateral element modification arithmetic was put forward. By spreading warped quadrilateral onto plane in local coordinate system, a plane quadrilateral element whose shape and area were equal to original warped quadrilateral element was gotten and internal force vectors of four nodes and stiffness matrix of elements were improved to increase precision of simulations on this plane element.

第二章从一步成形逆有限元法的基本理论和思想出发，将Cook基于弹性理论的四边形单元的翘曲修正算法引入基于塑性的一步成形，并且基于曲面展开的思想，本文提出一种新的四节点单元翘曲修正方案，通过把翘曲的单元展开的方法在局部参考系中得到一个与实际翘曲单元的形状与面积非常接近的平面单元，在该平面单元中进行单元刚度及内力向量的计算，进一步改善模拟结果的精度。

Abstract］ Objective To explore the effects of long-term cigarette smoking on arterial stiffness in patients with essential hypertension.

目的 探讨长期吸烟对原发性高血压患者动脉僵硬度的影响。

So it is a simple but acute way of measuring arterial stiffness.

因此，该方法是对动脉僵硬度的一个简单精确的测量方式。

The effect of the stiffness and the damping of the cement asphalt mortar on the vertical dynamic responses of the system was analyzed.

计算结果表明，合理的CA砂浆刚度为1.0~1.5 GPa/m，尽量采用大阻尼的CA砂浆垫层将有利于降低轨道板的振动。

This combination process is called the assemblage of stiffness matrices.

这种组合的过程称为刚度矩阵的装配。

Pre-stressed composite space truss is one of the new kind of space structure systems developed on the basis of prestress and space truss, which consists of steel and reinforced concrete. At present the study in this field is just being begun in our country. Therefore, in this paper static and dynamic performances of pre-stressed composite space truss associated with a practical engineering are studied, in addition, dynamic test on construction site and model experiment are done. Finally, we conclude this structure is well in stress and stiffness and dynamic characteristics.

预应力组合网架是一种基于网架和预应力技术发展起来的由钢和钢筋混凝土组合而成的新型预应力空间结构体系，目前国内在此领域的研究和应用都较少，为此，本文结合实际工程对预应力组合网架进行了静力和动力的分析研究，并作了施工现场的动力测试及模型试验，总结出预应力组合网架受力比较合理，刚度、动力特性好，是值得推广的一种空间结构形式。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。