n curve
英 [en kɜːv]
美 [en kɜːrv]
【电】N曲线
双语例句
- Method of Estimating In-plane Shear S-N Curve of Unidirectional Laminate from Off-axis Tension S-N Curve
由单向层压板偏轴拉伸S-N曲线估算面内剪切S-N曲线的方法 - Several useful statistical methods used for dealing with p s n curve
几种有效的P-S-N曲线的数据处理方法 - An analysis on the test scheme of P S N curve by the use of simulated testing method
用模拟试验法对P-S-N曲线试验方案的分析 - Where as TIG dressing can result in crater cracks and therefore shorten the fatigue lifetime. The S& N curve and life estimation equation under vertical weld after TIG dressing are presented by least square method.
钨极氩弧焊（TIG）修整虽能改善焊缝形状，但弧坑处易于产生裂纹，疲劳寿命降低；利用最小二乘法给出立焊时疲劳寿命的估算式及S&N曲线。 - P-S-N Curve Research for V Belt
V带疲劳寿命P-S-N曲线研究 - A s n curve of structural detail and testing method
结构细节的a-S-N曲线及其试验方法 - Maximum likelihood method for measuring p-S-N curve
P-S-N曲线测定的最大似然法 - Correction of p-S-N Curve in Estimating Part's Safe Fatigue Life
构件安全疲劳寿命估算中的p-S-N曲线修正 - Differential equation fitting method of a-N curve
a-N曲线的微分方程拟合法 - Based on two hypothesis, a new kind of four parameters model was posed that used on S N curve over long and middle life range of composite laminate.
本文提出一种新的基于两个假设条件下，用于复合材料层压板中、长寿命区S-N曲线构造的四参数模型。 - The simple and convenient method to measuring p s N curve of materials
测定材料pSN曲线的一种简便方法 - Compared with other methods, it allowed for nothing of fatigue principle, but fatigue test data and it determined the S N curve equation with purified mathematical way.
与其它方法相比，此方法不用考虑疲劳机理，只是根据疲劳试验数据，用纯数学方法来确定S-N曲线方程。 - According to S-N curve of bolt material and experiment results, P-S-N curves were plotted and bolt fatigue life under different failure probability was also acquired.
根据中值S一N曲线及实验数据，推导出的P一S一N曲线，获得了在不同失效概率下的螺栓疲劳寿命。 - S& n curve model of composite laminate
一种复合材料层合板的S&N曲线模型 - For safety and reliability of fatigue analysis the reliability and confidence of a S N curve are considered.
为了用aSN曲线进行耐久性分析或疲劳分析时的安全可靠，给出了给定置信水平和可靠度下的aSN曲线。 - A minimum sample method is given to determine the fatigue limits of structural components based on Bayes estimation theory, the accelerated life testing theory and the similarity of S& N curve between material and components.
从材料的SN曲线与构件的SN曲线形状相似原理出发，结合Bayes估计理论和加速寿命试验理论，提出一个估计构件疲劳极限的极小样本方法。 - Life estimate formulas for R S N curve are derived based on the Weibull distribution, and the results are compared with the result based on logarithmic mormal distribution. It is possible to predict thd safty and reliability of offshore structure.
给出各种可靠度下的RSN曲线估算式，并与对数正态分布处理的结果进行了比较，对海上石油钻井平台的安全性评估具有一定的意义。 - An optimization method for fitting three parameter equation of constant amplitude P S N curve is presented.
等幅疲劳P-S-N曲线采用三参数幂函数方程形式。 - Based on the distribution of static compressive strength of concrete, a new distribution of fatigue life was deduced from the equation of S N curve. A lot of the experiments with hydraulic concrete under compressive cyclic loading were conducted.
在已知混凝土静压强度分布的基础上使用SN曲线模型推导出一种疲劳寿命满足的分布，并对水工混凝土做了大量的等幅抗压疲劳试验。 - A method of calculating the initial crack length based on cumulative model of crack growth and ε-N curve is set up in the present paper.
本文依据裂纹扩展的累积损伤模型和材料的ε－N曲线，提出了一种确定缺口试件初始裂纹长度的方法。 - Evaluation of fatigue damage in frequency domain based on subsection s& n curve
基于分段S&N曲线的频域疲劳损伤估计 - All the test data of a S& N curve in different stress levels can be analyzed as an integration, so its information quantity is much bigger than traditional group test method.
该方法能将一条S&N曲线上的所有试验数据作为一个整体进行统计分析，实现多母体联合推断，信息量远远大于成组试验法，既可节省大量试件，又能提高测试精度。 - Study on the cycles n_0 corresponding to the breaking point of the s& n curve
S&N曲线转折点循环数N0的探讨 - Two new equations of the S N curve equation and the E N curve equation are presented in this paper. These equations are with four parameters, therefore they have better physical properties than those with two or three parameters.
首先提出了两个新的复合材料全寿命范围的E-N曲线方程与S-N曲线方程，与过去的双参数和三参数曲线公式相比，此二方程因均有四个参数而具有更好的物理性质； - Compared with traditional methods, the presented method can not only save specimens, but also increase precision in ε-N and P-ε-N curve tests effectively.
在-εN曲线和P-ε-N曲线测试中，与传统方法相比，既可节省大量试件，又能有效地提高精度。 - At last, S& N curve was used to analyze fatigue at welding lines and the linear fatigue life with Miner rule was obtained.
由S&N曲线进行焊缝疲劳分析，根据Miner准则得到线性疲劳寿命。 - Through the analysis of h_1~ n curve for cylinder with an internal axial crack, this paper determines the normalised load for this cracked body, and gives the estimation formula of strain hardening exponent in a widened interval.
通过分析含轴向内部裂纹圆筒的h1～n曲线，给出了这种裂纹体的标准载荷和关于应变硬化指数的拓宽范围内的估算公式。 - An expression for the stress life relational curve ( S N curve) of metal is proposed which bears the advantage of simple form and easy access to parameter solution.
提出了一种金属材料应力－寿命关系曲线（S－N曲线）的表达式，该表达式形式简单，参数容易求解。