考核结构件在宽带随机激励下的强度,需要考察结构的峰值应力响应。
The peak value of stress response is important when the strength of the structure in broadband random vibrations is considered.
本工作将探测到的感生电压积分,直接获得磁感强度峰值与待测应力的函数关系。
In this work, the peak value of magnetization dependence of stress can be obtained directly by integrating the inductive voltage of magnetic probe.
计算结果表明,等效应力强度因子与发动机点火顺序密切相关,其峰值随裂纹深度的增加而增大。
The numerical simulation results show that the equivalent stress intensity factors KIeq relates with the engine firing order, their peak value rises while the crack depth increases.
并讨论强度参数、峰值应力差与粒度分维值的关系。
Relationships among strength parameters, peak stress difference and fractal dimensions of granularity were also discussed.
岩石在接近峰值强度时单位时间内的应力增长速度减小、声发射事件率出现明显下降。
At the time when the rock strength approached to the peak value, the increasing velocity of stress in unit time reduced and the rate of acoustic emission event decreased obviously.
试验结果表明高性能混凝土中添加0.5%(体积比)的钢纤维对极限粘结强度略有提高,峰值粘结应力对应的滑移有较大的增长;
The experimental results indicated that when 0.5%(volume fraction) steel fibers were added to HPC, the ultimate bond stress was improved and the corresponding slip was also increased.
而对于低弹性模量胶粘剂接头,间隙使得接头上的应力峰值明显上升,可能导致接头的名义强度和实际强度显著降低。
On the other hand, the recessing in the joint with low elastic modulus adhesive caus es the peak stresses increase evidently that may decrease the nominal and actual strength of the joint markedly.
所有岩石都表现出在峰值强度之前应力与应变几乎呈线性关系,而峰值强度之后应力急剧下降的脆性特征。
For all rock samples, stress increased almost linearly with strain up to the maximum and then dropped rapidly, indicating brittle feature.
采用热弹塑性有限元方法,对平板对接接头中焊缝金属强度组配对焊接残余应力分布的影响进行了研究。结果表明,对于高组配接头,纵向残余应力的峰值接近焊缝金属的屈服极限,出现在焊缝中心。
In this paper the effect of strength matching of welded joint on welding residual stress distribution in plate welded joints was studied by an thermal elastoplastic finite element method.
通过改变扰动应力波峰值的大小,来考察动力扰动强度的变化对承受高应力矿柱稳定性的影响。
And then the effect of disturbance intensity on the stability of highly-stressed pillars is reflected by changing the different peak value of the dynamic stress wave.
声发射事件率在不同应力水平变化很大,峰值强度后的声发射现象仍然明显,其声发射特征随岩样破坏形式的不同而不同。
The AE rates change dramatically in different stages. In post-peak region, AE events stay evident and the AE characteristics depend on the failure type of rocks.
研究表明,在复杂应力条件下,随着围压增大,峰值抗压强度明显提高,塑性变形明显增大。
The results indicate that the peak values of compressive strength and the plastic deformation will increase significantly with the increment of the confining pressure.
研究表明,在复杂应力条件下,随着围压增大,峰值抗压强度明显提高,塑性变形明显增大。
The results indicate that the peak values of compressive strength and the plastic deformation will increase significantly with the increment of the confining pressure.
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