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sympyで「薄肉球殻(Thin spherical shell)」をやってみた。技術士機械平成27年問Ⅲ-8

Last updated at Posted at 2020-09-07

①薄肉球殻のonline webを探しています。
薄肉円筒の1/2でいいですか。
②薄肉円筒のonline webのおすすめを教えて下さい。
よろしくお願いします。

技術士 01機械部門 平成27年問Ⅲ-8

< 公式ホームページ

入力

from sympy import *																												
var('σt π t r p')																												
s = solve(Eq(π*r**2*p, 2*π*r*t*σt), t)																												
print("t=",s)																												
print("t=",Float(s[0].subs({σt:250,p:0.5, r:3000}),2))																												

出力

t= [p*r/(2*σt)]																												
t= 3.0																												

(参考)【2015九大】薄肉円筒容器問題【材料力学院試対策演習】

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