logarithmic spiral

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。

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The calculations thus made indicate that the simple slice method for circular slip surface and the logarithmic spiral surface method presented in this paper may well reflect the anti-sliding effect of the geotextile-reinforced bedding course.

计算表明：圆弧滑动面的简单条分法与对数螺旋面的本文方法能很好的反映加筋垫层的抗滑效果。

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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。

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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.

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Groove is a series of recessed logarithmic spiral.

槽型是一系列凹进的对数螺线.

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3D Modeling And Geometric Parameters Design of Logarithmic Spiral Bevel Gear

对数螺旋锥齿轮的三维建模与几何参数设计

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In this paper the upper bound theorem of plasticity theory is used, and the stability analysis under the earthquake force for the slope of the slide surface of logarithmic spiral in theory is proposed.

本文利用塑性理论上限解，从理论上对地震力作用下的对数螺旋线滑动面的土坡进行了稳定性分析。

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Experiment and Research on Machinability of Relieving Shaped Milling Cutter with Logarithmic Spiral Back Curve

对数螺线铲齿成形铣刀切削性能试验

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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。

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Theoretical analysis of logarithmic spiral slip plane about slope stability

土质边坡稳定对数螺旋滑裂面的理论分析

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