1) direct stiffness method
直接刚度法
1.
The location of the control point is chosen at an assumed rock outcrop,and using direct stiffness method to compute the ratios of the displacement amplitude absolute values of the top of the ground to the ones of rock outcrop,that is amplifications.
文中控制点选在假想基岩露头,通过直接刚度法求解表面位移与控制点位移的比值,即放大系数。
2.
In this paper, according to the conception of rotation of the section orthographic projection around a fixed axis, the element stiffness matrix of thin-walled beam is directly deduced and the direct stiffness method is used to solve the continuous beam problem with different shear centers on one section.
按文[1]所述截面正投影绕定轴转动的概念,直接导出薄壁梁的单元刚度矩阵,并利用直接刚度法求解弯心不共线的连续梁。
2) refined direct stiffness method
精化直接刚度法
1.
The non-conforming displacement functions of refined direct stiffness methodare presented.
基于精化直接刚度法的不协调位移模式及有限元收敛理论中的ＩＰＴ条件，建立了Ｃ￣０类可分离位移型精化元的收敛性充分条件——强ＩＰＴ条件。
3) Dymanic stiffness matrix
动力直接刚度法
4) normal contact stiffness
法向接触刚度
1.
Some researchers studied normal contact stiffness between rough surfaces in theory, their researches, however, are all based on the statistically describing results of the micro profile of rough surfaces.
指出了以往有关粗糙表面法向接触刚度理论研究工作的缺陷与不足 ,并在一定的前提假设下 ,基于球体与平面的接触理论和粗糙表面的分形接触理论 ,从理论上给出了具有尺度独立性的粗糙表面法向接触刚度分形模型 ,并进行了数字仿真研究。
2.
The vice thread relaxation and normal contact stiffness reduction are the main reasons for load reduction of dynamometry bolt in the non-anchored section.
提出测力锚杆(锚杆)与围岩的工作关系图,论述螺纹副松弛和围岩法向接触刚度降低是测力锚杆非锚固段载荷降低的主要原因。
6) direct strength method
直接强度法
1.
Studied in the paper are the two calculating methods of stability of thin-walled cold-formed steel members— the effective width method and the direct strength method.
文章着重介绍冷弯薄壁型钢构件稳定性的计算方法,即有效宽度法和直接强度法,并通过算例对这2种方法进行了比较,说明了它们的使用范围及精度。
2.
In the end existed questions should be solved in the future are proposed in order to provide theoretical references for direct strength method.
介绍了求解截面的局部屈曲临界应力的意义,探讨了求解截面的局部屈曲临界应力cσrl的方法,并对实验值与理论值进行了比较,最后提出了有待进一步研究的问题,从而为直接强度法的顺利使用提供了理论基础。
3.
Furthermore,the ultimate carrying capacities are computed using traditional effective width method and direct strength method .
此外,分别利用传统的有效宽度法和新兴的直接强度法计算了短柱段的极限承载力,并对翼缘宽厚比超过规范限值的情况提出了计算建议。
补充资料：对比剂的直接引入法
对比剂的直接引入法
Ｘ线检查方法之一。将对比剂直接引入欲观察的器官或结构的造影检查方法。对比剂可通过人体自然腔道开口引入，或通过病理性腔道引入，还可采用穿刺的方法引入。通常在同一器官可以选择不同的直接引入法，如口服法、灌注法、顺行性或逆行性灌注法等。
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