再采用与实物等厚度、与真实咬边等尺寸的模拟试样,进行与实际结构等应力范围条件下的模拟疲劳试验。
Using the samples with equal thickness to the tank and with the same size as the real undercuts, a simulation fatigue testes are performed under the stress range of an actual structure.
目的研制冷热循环机械载荷咀嚼模拟疲劳试验机来人工模拟口腔环境的温度变化和咀嚼负荷,检测口腔材料的疲劳寿命。
Objective to design a new kind of thermocycling and mechanical loading (TCML) chewing simulator and test the chronic fatigue characteristics of dental materials and prosthesis.
论文在对车架结构模型构建的基础上,将道路模拟试验、可靠性分析理论和有限元分析方法等结合起来,分析其可靠度及疲劳寿命。
In this paper, together with road simulation test, reliability theory and FEM, the fatigue life and degree of reliability were analyzed based on the construction of the frame.
利用三维有限元模拟和动态响应试验对点焊接头疲劳裂纹萌生和扩展特性进行了研究。
Fatigue crack characteristics are investigated based on the dynamic response simulation by finite element and the dynamic response experiments for tensile-shear spot-welded specimens.
分析了非均匀接触下燕尾形榫头连接的应力状态,并借助于模拟试验,提出了非均匀接触导致疲劳破坏的基本痕迹特征。
The basic fatigue failure characteristics have been analyzed according to the stress analysis and simulation test under inhomogeneous swallowtail between compressor disk and blade.
在数值模拟结果与试验结果基础上,总结分析了微动疲劳损伤机理及寿命的影响因素及原因。
Based on the experiment research and finite element analysis, the fretting wear mechanism and the influence factors on fatigue life are made clear in this paper.
对微钒钛高抗震性能建筑结构钢进行了模拟地震载荷高应变低周疲劳试验。
The high strain low cycle fatigue properties of V ti micro alloyed high anti seismic structural steel were studied with simulated earthquake loading.
在力学试验研究中,采用声发射技术对已具有疲劳裂纹的核反应堆一回路模拟压力管进行加载爆破断裂的监测。
By using the acoustic emission technique to monitor the fractures on analogous pressure pipes of the primary circuit, which has had cracks and was loaded with pressure, was investigated.
预测了变幅载荷下给定存活率的疲劳寿命,并用蒙特卡洛法模拟变幅载荷下疲劳试验进行了验证。
The fatigue life with given survivability under variable amplitude loading is predicted, and checked by simulating test using Monte Carlo method.
最后在T型梁振动台架上进行试验,可以达到很高模拟精度,满足疲劳模拟试验要求,证明这种方法是实用的。
An experiment on a t shaped vibration structure is carried out. It shows that the method can achieve high simulation precision and meet the requirement of fatigue test and this method is practical.
该方法不仅可用于构件从应力疲劳到应变疲劳的各类疲劳寿命预测,还可用于构件的疲劳试验模拟件设计。
This method can be applied to designing sample components for fatigue test as well as to forecasting various fatigue life of component from stress fatigue to strain fatigue.
首先对叶片进气边分区进行了模拟外来物损伤试验,并对外伤叶片和损伤后的修理叶片分别进行了疲劳试验。
Firstly, simulated . experiments of FOD on the leading edge of the blade were performed. Then, the damaged blades were fatigue tested.
通过三片模拟梁试验实测结果,探讨了基频法评估铁路桥梁疲劳使用性能的可行性。
The first frequency method of estimating the fatigue serviceability on small and medium span railway concrete bridge is discussed in this paper through three piece test beam under fatigue load.
由全尺寸框向模拟试件简化过程中 ,遇到复合载荷工况 ,而这种复合载荷不适合在疲劳机上进行加速试验。
The combined load cases were encountered which were not suited for working of fatigue machine during simplification of simulative specimens which were simplified from the full scale titanium frame.
试验结果表明:缘板模拟件、叶冠模拟件的材料疲劳性能分别为对比试件(和叶身中部材料性能基本相当)的5.93%和7.68%。
Tests results show that the fatigue performances of the shroud-like specimen and the platform-like specimen are respectively 7.68% and 5.93% those of the notched specimen.
试验结果表明:缘板模拟件、叶冠模拟件的材料疲劳性能分别为对比试件(和叶身中部材料性能基本相当)的5.93%和7.68%。
Tests results show that the fatigue performances of the shroud-like specimen and the platform-like specimen are respectively 7.68% and 5.93% those of the notched specimen.
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