如何计算不等角度的单对称指数？[关闭]

1

我看到一些涉及整合的公式。是否有一个简单的公式来计算这个而不是给定b，d，t和xx和uu轴之间的α角？

structural-engineering civil-engineering structural-analysis steel

— Bornny
source

2

你的问题不清楚。给多更多的细节。什么是“b”，“d”，“t”和其他？

— 彼得

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