查询词典 stiffness

It is difficult to calculate the short-term stiffness and short-term deflection at the service load.

在使用荷载下，钢筋混凝土双向板短期刚度和挠度的计算是很困难的。

The vertical stiffness decreases with shear deformation increase and the ratio of quantity of vertical deformation producing shear deformation and vertical stress is variable.

结果是随着剪切变形的增加，隔震橡胶支座的竖向刚度逐渐减小：由剪切变形和竖向压力产生的竖向沉降量的比例是不断变化的。

Through the low cyclic load test of eight high strength concrete-filled square steel tubular columns, considering the effect of the axial compression ratio, steel ratio and slenderness ratio, the hysteretic curve, ductility, degradation of stiffness, energy dissipation capacity, failure mechanism and characteristics of the specimens were researched.

摘要］以轴压比、含钢率和长细比为参数，进行了8根方钢管高强混凝土柱的低周反复荷载试验，研究分析了该类构件的滞回曲线、延性、刚度退化、耗能能力、破坏机理和破坏特征；并与型钢高强混凝土柱的受力性能进行了比较分析。

The influence of local stiffness degression resulted from damage in the impact process is simulated by modifying the material constants of damaged layers.

另外，分类考虑了不同的损伤形式，通过修正损伤层的材料常数来模拟单层板损伤所造成的局部刚度下降对压痕过程的影响。

This paper has also derived the unit stiffness matrix of bar element on which the moment of some nodes is over the elastic ultimate moment and discussed the convergent properties of computing method.

把水压机活动横梁假设成一交叉梁系，对其做了弹塑性有限元分析，导出了部分节点弯矩超过弹性极限时的梁单元刚度矩阵，讨论了计算方法的收敛性。

Advanced composite materials are widely used in the industry of national defense and civil, especially in the areas of aeronautics and astronautics, due to their superior property of high specific strength and stiffness, high specific energy absorption, and designable capability.

复合材料具有比强度高、比刚度大、比吸能能力强及可设计性等优点，目前已在国防工业和民用工业，特别是航空航天领域得到了越来越多的应用。

On the other hand, higher cyclic stress level and initial deviator stress accelerate the degradation of stiffness.

在试验的基础上推导了反映土体刚度软化规律的经验公式，得到了萧山软黏土的破坏刚度比。

To study the dynamic response performance of reinforced concrete frame structure with friction energy dissipation braces,the element stiffness and mechanics model of the element of friction energy dissipation device and the element of frame bar are analyzed.

为研究钢筋砼摩擦耗能支撑框架结构的动力反应性能，对其中的摩擦耗能器单元和框架杆单元的单元刚度和力学模型做了分析。

So it can be widely used in analyzing the strength and stiffness of parts in diesel engine.

为柴油机设计提供了一种方便、快速、有效、全新的设计、检测手段。

Based on the ICMmethod,the discrete topological optimization problem about spot-weld's existence or not is transformed into the continuous optimization problem on[0,1].The optimization model is founded with maximizing the structural stiffness as objective and structural strength as constraints.The problem of multi-objectives and multi-constraints is transformed into the problem of single-objective and single-constraint with the K-S function.The displacement and stress are transformed into the explicit function of design variables with the Response Surface Methodology.The optimization model is solved with Sequential Quadratic Program.

基于ICM（Independent Continuous Mapping，即独立、连续、映射）方法，将焊点有无的离散拓扑优化问题转化为[0，1]区间上的连续优化问题；建立了以结构刚度最大为目标、结构强度为约束的连续拓扑优化模型；采用K-S函数将多目标和多约束问题转化为单目标和单约束问题；运用响应面方法将位移和应力转化为设计变量的显式函数，采用序列二次规划方法求解优化模型。

Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。