- 等角螺線
- 對數螺法
- 對數螺線
- 對數螺旋曲線
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logarithmic spiral中文什么意思
例句與用法
- A model is erected for fs with logarithmic spiral sliding surface which can simulate the genuine sliding surface better than others , then the express of fs is deduced based on the upper bound theorem of limit analisis
采用對實際滑裂面模擬較好的對數螺旋曲線滑裂面，建立了整體穩定安全系數f _ c的模型，從極限分析中的上限理論推導了整體穩定安全系數f _ c的表達式。 - Third , it puts forward the logarithmic spiral failure surface bishop steep reinforced slope limit equilibrium stability analysis method . this method is used to calculate the engineering living example and compared with the calculations of the engineering living example and compared with the calculations of the swedish circle method and proved applicable
第三，本文針對加筋陡坡潛在破裂面矢徑隨路堤深度而增加的特點，提出用對數螺旋線作滑動面的畢肖普法進行穩定分析，編制了穩定分析程序，并對工程實例進行了分析計算，將計算結果與瑞典圓弧法分析進行比較。
百科釋義
A logarithmic spiral, equiangular spiral or growth spiral is a special kind of spiral curve which often appears in nature. The logarithmic spiral was first described by Descartes and later extensively investigated by Jacob Bernoulli, who called it Spira mirabilis, "the marvelous spiral".
詳細百科解釋