The cutter curve is fitted with the least square method and corrected to assure the corrected generation surface is identical with that of original fitted curve.
用最小二乘法求出了刀具拟合直线,并对拟合直线进行了修正,保证了修正后的创成表面与原拟合直线创成表面相吻合。
A method of three dimensional grid auto generation of the ship wet surface is presented in this paper, with the accumulative chord length cubic parameter spline theory being utilized.
运用累加弦长的三次参数样条函数理论,提出了一种实现船体三维湿表面网格自动生成的方法。
Using the solution obtained, a new method for the generation and interpolation of fractal surface is given.
由其解的表达式,得到分形曲面生成和插值的一种新方法。
Based on the triangulation of parametric surface, a new method of tool path generation for complicated multi surfaces is presented.
提出了一种基于参数曲面三角化的复杂曲面刀具轨迹生成方法。
The grid generation method described in this paper can make the grid lines through dividing surface smooth and continuous.
所介绍的网格生成方法在分块生成网格时能保证穿过分界面上的网格线是光滑连续的。
The experimental results show that this method is reasonable, and indicate that neglecting surface generation velocity would result in reducing of apparent generation lifetime.
并且指出,在表面产生与体产生相比较实际上不能忽略时,忽略表面产生的方法将导致测得的产生寿命低于它的真实值。
Using differential geometry and vector analysis, a new tool-path generation method for freeform surface machining is presented.
以微分几何学和矢量分析为工具,提出了复杂曲面加工路径规划的新方法。
On the basis of this, a method of using twice sweep under different voltage sweep rates for determining both bulk generation lifetime and surface generation velocity is proposed.
在此基础上,建议了一种通过两次不同电压扫描率的线性电压扫描来测定半导体的体产生寿命和表面产生速度的方法。
By combining random graphics and deformation of free-formed surface, a uniform interpolation displacement method for free-formed surface generation is proposed.
将随机图形与自由曲面的变形相结合,提出了随机曲面生成的均匀插值移位法。
Based on analyzing the physical process of runoff generation, a method for partition of surface and ground net rainfall and runoff generation is proposed.
对流域产流的物理过程进行了分析,建立了地面及地下净雨划分的数学公式及流域产流的计算方法。
The experimental results show that this method is reasonable, and indicate that neglecting surface generation velocity would result in reducing of apparent genera…
并且指出,在表面产生与体产生相比较实际上不能忽略时,忽略表面产生的方法将导致测得的产生寿命低于它的真实值。
A laser generation and optical difference detection method of surface acoustic waves (SAW) is used to study the influence of laser source on SAW.
利用激光激发声表面波及光差分技术研究激光源对声表面波的影响。
An analysis was performed of the method and characteristics of SPOT stereopair for DEM generation and some other methods for underlying surface information extraction currently used in engineering.
分析了利用SPOT卫星影像提取下垫面信息的现状,包括工程实践中通过SPOT立体像对恢复DEM的方法及其特点以及其他下垫面信息的提取方法及其特点;
Firstly, a new mesh generation method for 3-d hydro-elastic analysis is proposed with the combination of 2-d Timoshenko beam theory and 3-d wetted surface mesh generation method.
首先,将二维梁振动理论与三维船体湿表面网格划分方法相结合,提出了一种适用于三维水弹性分析的浮体湿表面网格划分方法。
Firstly, a new mesh generation method for 3-d hydro-elastic analysis is proposed with the combination of 2-d Timoshenko beam theory and 3-d wetted surface mesh generation method.
首先,将二维梁振动理论与三维船体湿表面网格划分方法相结合,提出了一种适用于三维水弹性分析的浮体湿表面网格划分方法。
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