扩展曲线 meaning in English
extend curve
Examples
- Differential equation approximation of fatigue crack growth curve
疲劳裂纹扩展曲线的微分方程拟合法 - Test results and analysis show that the above equation can be applied to represent the fcp test results of various materials in the near - threshold region , the intermediate region of stable crack propagation and the rapid crack propagation region measured at different stress ratios
实验结果和分析证明，该式能用于描述具有各种不同特性材料的包含近门槛区、中部稳态扩展区和快速扩展区的整个疲劳裂纹扩展曲线。 - Research on the expression of fcp rate had started more than 50 years ago . more than 100 formulas for fcp rate were developed ; among whom formulas describing the whole fcp curve , including the near - threshold region , the intermediate stable crack propagation region and the rapid crack propagation region , can be easily found
对疲劳裂纹扩展速率表达式的研究已有50余年的历史，提出的裂纹扩展模型和表达式已达100多个；其中也有不少能描述包含近门槛区、中部稳态扩展区和快速扩展区等三个区在内的整个疲劳裂纹扩展曲线的表达式。 - Main conclusions or / and creative work are given in following . all materials have same fcp pattern , i . e . , the whole fcp curve comprises the near - threshold region , the intermediate region of stable crack propagation and the rapid crack propagation region and with s shape , though the materials have different micro - mechanisms of fcp
本文的主要结论和创新点有：首先，认为所有固体材料均具有相同的疲劳裂纹扩展宏观规律，即完整的疲劳裂纹扩展曲线都由近门槛区、中部稳定扩展区和快速扩展区所构成，曲线具有相似的s形，尽管不同特性的材料具有不同的疲劳裂纹扩展的微观机制。 - As a result , the curves of c3 and c4 continuity can be generated , and the shape of the curves can be adjusted by the parameters x . the quadratic non - uniform b - spline curves are further extended and the continuity of curves is improved in this paper ; with a local shape parameter in each piecewise curve , the shape of the curves can be controlled effectively ; moreover , cusps of curves can be generated conveniently on the curves while using multiple knots
对二次非均匀b样条作了进一步扩展，提高了曲线的连续性；曲线的每一段上都有一个局部控制参数，利用它们可以更有效的控制曲线的形状；同时，利用曲线的重节点可以很方便的在曲线上构造尖点。作为b样条扩展曲线的应用，作者将上面构造的各次调配函数应用到三次- b样条插值曲线上，得到下述结果。