stiffness ratio

Influence of Speed Ratio on Rattling Threshold Speed of a Gear System with Time-Varying Meshing Stiffness

传动比对齿轮时变系统拍击门槛转速的影响

Analysis of coattail catastrophe model of slope failures using stiffness ratio

斜坡失稳的燕尾突变模型

Research on analytical methods of embedment effect on stiffness and damping ratio for machine foundations

埋置动力机器基础地基刚度和阻尼比分析方法研究

Sandwich structures are widely used in the fields of spacecrafts, architecture and transportation because of their outstanding performances such as excellent high strength, stiffness ratio and good sound insulation, ant-vibration and thermal insulation performance.

夹层结构因具有较高的比刚度和比强度，且可实现隔声、隔震及隔热等优点，被广泛应用于航空、航天、建筑及交通运输等领域。

Through the static test parameter selection, analysis, and through the fixed structure stiffness and reinforcement ratio to quantitatively evaluated the RC bridge carrying capacity.

通过对静力测试中参数的选择、分析，并通过修正结构刚度及配筋率来定量地对在役RC桥梁承载能力进行评定。

The test result indicated: With the steel corrosion rate increases, bearing capacity and stiffness of the tested beams reduce obviously, the tensile ratio increases, the inter-average strains of steel bars and concrete no longer meet the section assumption.

试验结果表明：随着钢筋锈蚀率的增大，试验梁的极限承载力和刚度均明显降低，屈强比增大，跨中钢筋与混凝土平均应变不再符合平截面假定。

Tensile strength and stiffness increase as skin thickness ratio increases.

拉伸强度和硬度随外壳厚度比增加而增加。

Moreover, the ductility level, damping ratio and natural period of systems produce important effects on the energy spectra of bilinear SDOF systems, and the effect of yield stiffness ratio can be neglected.

体系延性系数、阻尼比、自振周期是影响双线性SDOF体系能量谱的重要因素。

Magnesium alloy has a high ratio of stiffness, good thermal conductivity and electromagnetic shielding. As a kind of structural materials, it has great potential applications in aviation and automotive industry currently.

镁合金具有较高的比刚度、导热性及良好的电磁屏蔽性，是目前在航空和汽车工业领域具有巨大潜在应用的结构材料之一。