研讀平城哥的渠道水力學,小小卡住了 - 土木
By Harry
at 2013-10-17T16:59
at 2013-10-17T16:59
Table of Contents
先謝謝civil版的大哥大姐肯花時間點進來看^^
小弟資質駑鈍,在研讀時遇到兩個問題
懇請解惑!
(1) 時常出現在比能(Specific energy)公式中,為了求水深的「試誤法」,
有使用上的絕竅嗎?
每每為了求 y 總要代個 5 ~ 10 次好想哭 (尤其是要精確到小數點後3位時)
(2) 比力(Specific force)公式應用中,若斷面為梯形(非單為渠寬),會用到含有
y bar的原始公式,請問 y bar 要如何求?
下面附一個例題,是謝平誠老師新書 Ch4 水躍 的歷屆試題 6 ,看不懂阿~
試題6的part1 http://ppt.cc/nWx2
試題6的part2 http://ppt.cc/JwSf
最後,能在這麼多前輩面前發問,深覺好幸福阿~
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