sigmoid curve

Study on the deterioration of parameter C in S-N curve of steel bars with corrosionpits used in construction

产生坑蚀后建筑用钢筋S-N曲线中C参数劣化规律的研究

The effect of sulfuric acid,chromate acid and boric/sulfuric acid anodizing on fatigue performance of aeronautic aluminum alloys was studied by using S-N curve.

采用S-N曲线研究硫酸阳极化、铬酸阳极化和硼酸硫酸阳极化对航空铝合金疲劳极限的影响。

A simple method for measuring S-N curve and fatigue limit of a material or a machine part was detailed by a experiential fatigue strength decreasing model in this paper.

基于经验的疲劳强度衰减模型,提出了一种测定材料和结构的S-N曲线简易方法,同时可以确定材料和结构的临界载荷。

Study on the Accelaration/Decelaration Control Method for S-curve;

S曲线加减速控制方法研究

A Linearize Model of S-curve;

S曲线的一类线性化模型

Research and Implementation of S-curve Acceleration/Deceleration Algorithm Based on Rounding Error Compensation Tactic;

基于圆整误差补偿策略的S曲线加减速控制研究与实现

Study on simulation-based S-curve for construction process control

基于仿真的施工进度管理S型曲线研究

A conjunctive spot S-curve velocity look-forward control profile is proposed, the maximal linkup speed at the conjunctive spot is determined by the actual conditions of the conjunctive spot on the process route at first.

提出了型值点S型曲线加减速前瞻控制算法,先根据加工路径的型值点实际情况,确定每一型值点处的最大衔接速度,然后采用S型曲线加减速控制,实现各路径段之间进给速度的快速衔接,从而达到高速高精的运动控制目的。

A conjunctive spot S-curve velocity look-ahead control method is applied in this system.

运用了型值点S型曲线加减速前瞻控制算法,根据加工路径的型值点的实际情况,确定每一型值点处的最大衔接速度,采用S型曲线加减速控制,实现各路径段之间进给速度的快速衔接,从而达到高速高精的运动控制目的。

The fatigue life of graphitic materials is estimated from their S-N curves,And the fatigue behavior of graphitic materials with pre -fabricated cracks is analysed from crack propagation.

对迄今前人在石墨材料上所开展的疲劳研究工作进行了综述,以不同的疲劳设计方法为线索,一方面 通过对石墨寿命评价的S-N曲线来分析石墨的疲劳行为;另一方面从疲劳裂纹扩展的角度来分析在外应 力作用下有预制裂纹的石墨的疲劳行为。

Experimental results indicated that the effect of shot-peening and ion implantation on the S-N curves is related to temperature.

结果表明,喷丸和离子注入对材料疲劳S-N曲线的影响与实验温度有关。

The paper describes the evaluation of the fatigue life of membrane tank LNG carriers based on the S-N curves method under the assumption of linear cumulative damage (Miner-Palmgren s rule).

基于S-N曲线和Miner-Palmgren线性累计损伤理论,根据BV船级社规范以及GTT文件要求,针对大型No96薄膜型LNG船舶开展了结构疲劳强度评估研究。

Simulation and analysis of the equivalent law of work of P-s curve of anchor pile;

锚杆P-s曲线的功能互等定律法的模拟与分析

According to the grey theory,the author attempts to predict both t-s and P-S curves of the test and obtain the similar settlement which traditionally gained by slow load test.

探讨了灰色理论方法在快速法载荷试验数据处理中的应用,并运用此理论对快速载荷试验各级荷载下的t-s曲线及总体的P-S曲线进行预测,以得到荷载作用下与慢速法一致的稳定沉降量。

By using the data of pull-out tests of anchor rod,we have discussed the use of the nonequidistance GM(1,1)model for simulating the P-S curve of anchor rod and predicting the ultimate capacity of anchor rod,in the same time,we also discussed if we can predict the ultimate capacity of anchor rod by using the data of anchor rod pull-out tests before breakage.

结合锚杆抗拔试验数据,探讨了不等间距GM(1,1)模型拟合锚杆P-S曲线以及预测锚杆极限承载力的效果,同时分析了利用未破坏锚杆实测数据预测锚杆极限承载力的效果。

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

Experimental Research on P-S-N Curve of Concrete Fatigue Life

混凝土疲劳寿命P-S-N曲线的试验

Extreme Maximum Model and Application for the Probabilistic Fatigue S-N Relations;

概率疲劳设计S-N曲线的极大值模型及应用

On the Use of Infrared Thermography Method for Material S-N Curve Prediction

利用红外热像技术快速预测材料的S-N曲线

Dynamic S-N Curve Measurement for Laminated Composite Components

层合板结构元件动态S-N曲线的测定方法

Study on the deterioration of parameter C in S-N curve of steel bars with corrosionpits used in construction

产生坑蚀后建筑用钢筋S-N曲线中C参数劣化规律的研究

ogee curve

双弯曲线, s形曲线

Comparison of several fatigue design S-N curves for steel structure weld

不同标准的钢结构焊接细节疲劳设计S—N曲线比较

isothermal transformation curve

(c曲线, S曲线) 等温转变曲线

Isotropic Curvature on Warped Product S~1(a)×_fS~n(b);

关于warped乘积S~1(a)×_fS~n(b)的迷向曲率

Connection of the n degree Said-Ball Curves;

n次Said-Ball曲线的连接

The Compact Pseudo - Umbilical Submanifold With Pallaedmean Curvature In The Constant Curved Manifold S~(n+p)(c);

常曲率空间S~(n+p)(C)中具有平行中曲率向量的紧致伪脐子流形

Numerical study on characteristics based on non-incremental split scheme

基于特征线方程N-S方程非增量型分离算法

The Research of Elliptic Curve Cryptosystem over GF(2～n);

GF（2～n）上椭圆曲线密码体制的研究

The Julia Directions of the Value Distribution of Holomorphic Curves in P~n(C)

P~n(C)上全纯曲线值分布的Julia方向

The external auditory canal makes a slightly S-shaped curve.

外听道形如一S型的曲线。

The Realization of S-curve of Trigonometric Function on TMS320F2812 Chip

三角函数S曲线在芯片TMS320F2812上的实现

Submanifolds with Flat Normal Bundle and Constant Scalar Curvature in Space Form S~(n+p) (c);

空间形式S~(n+p)(c)中法丛平坦的常数量曲率子流形