logarithmic spiral

The principle and device of machining logarithmic spiral profile shaft with form milling cutter are introduced.

介绍了用成形铣刀加工对数螺线型面轴的原理和装置.

We have obtained fast generation algorithms for ellipse, parabola, hyperbola, Archimedes spiral, logarithmic spiral, and probability curve arcs with increments and properly-chosen parameter equations.

本文采用增量法，选取适当的参数方程，得到了椭园（包括园）、抛物线、双曲线、阿基米德螺线、对数螺线以及概率曲线弧的快速生成算法。

The logarithmic spiral method is a good way of describing damped harmonic motion.

对数螺线方法是描述阻尼谐振动的一个好方法。

This paper introduces the formulas for calculating the inner forces and deformation of non-circular arches with the fundamental formulas, these non-circular arches including parabolic, three-centered, elliptic, hyperbolic and logarithmic spiral arches under constant loads can be calculated.

本文以圆弧拱坝的形、载常数的基本公式为基础，推导了等厚抛物线、三心圆、椭圆、双曲线及对数螺旋线等拱圈的内力、变位计算公式。

Groove is a series of recessed logarithmic spiral.

槽型是一系列凹进的对数螺线.