sigmoid curve

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

產生坑蝕后建筑用鋼筋S-N曲線中C參數劣化規律的研究

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曲線研究硫酸陽極化、鉻酸陽極化和硼酸硫酸陽極化對航空鋁合金疲勞極限的影響。

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.

基于經驗的疲勞強度衰減模型,提出了一種測定材料和結構的S-N曲線簡易方法,同時可以確定材料和結構的臨界載荷。

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

S曲線加減速控制方法研究

A Linearize Model of S-curve;

S曲線的一類線性化模型

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

基于圓整誤差補償策略的S曲線加減速控制研究與實現

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

基于仿真的施工進度管理S型曲線研究

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.

提出了型值點S型曲線加減速前瞻控制算法,先根據加工路徑的型值點實際情況,確定每一型值點處的最大銜接速度,然后采用S型曲線加減速控制,實現各路徑段之間進給速度的快速銜接,從而達到高速高精的運動控制目的。

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

運用了型值點S型曲線加減速前瞻控制算法,根據加工路徑的型值點的實際情況,確定每一型值點處的最大銜接速度,采用S型曲線加減速控制,實現各路徑段之間進給速度的快速銜接,從而達到高速高精的運動控制目的。

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.

對迄今前人在石墨材料上所開展的疲勞研究工作進行了綜述,以不同的疲勞設計方法為線索,一方面 通過對石墨壽命評價的S-N曲線來分析石墨的疲勞行為;另一方面從疲勞裂紋擴展的角度來分析在外應 力作用下有預制裂紋的石墨的疲勞行為。

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

結果表明,噴丸和離子注入對材料疲勞S-N曲線的影響與實驗溫度有關。

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曲線和Miner-Palmgren線性累計損傷理論,根據BV船級社規范以及GTT文件要求,針對大型No96薄膜型LNG船舶開展了結構疲勞強度評估研究。

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

錨桿P-s曲線的功能互等定律法的模擬與分析

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.

探討了灰色理論方法在快速法載荷試驗數據處理中的應用,并運用此理論對快速載荷試驗各級荷載下的t-s曲線及總體的P-S曲線進行預測,以得到荷載作用下與慢速法一致的穩定沉降量。

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.

結合錨桿抗拔試驗數據,探討了不等間距GM(1,1)模型擬合錨桿P-S曲線以及預測錨桿極限承載力的效果,同時分析了利用未破壞錨桿實測數據預測錨桿極限承載力的效果。

Method of Estimating In-plane Shear S-N Curve of Unidirectional Laminate from Off-axis Tension S -N Curve

由單向層壓板偏軸拉伸S-N曲線估算面內剪切S-N曲線的方法

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

混凝土疲勞壽命P-S-N曲線的試驗

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

概率疲勞設計S-N曲線的極大值模型及應用

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

利用紅外熱像技術快速預測材料的S-N曲線

Dynamic S-N Curve Measurement for Laminated Composite Components

層合板結構元件動態S-N曲線的測定方法

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

產生坑蝕后建筑用鋼筋S-N曲線中C參數劣化規律的研究

ogee curve

雙彎曲線, s形曲線

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

不同標準的鋼結構焊接細節疲勞設計S—N曲線比較

isothermal transformation curve

(c曲線, S曲線) 等溫轉變曲線

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

關于warped乘積S~1(a)×_fS~n(b)的迷向曲率

Connection of the n degree Said-Ball Curves;

n次Said-Ball曲線的連接

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

常曲率空間S~(n+p)(C)中具有平行中曲率向量的緊致偽臍子流形

Numerical study on characteristics based on non-incremental split scheme

基于特征線方程N-S方程非增量型分離算法

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

GF（2～n）上橢圓曲線密碼體制的研究

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

P~n(C)上全純曲線值分布的Julia方向

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

外聽道形如一S型的曲線。

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

三角函數S曲線在芯片TMS320F2812上的實現

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

空間形式S~(n+p)(c)中法叢平坦的常數量曲率子流形