請問要怎麼證第一類水力指數M - 土木
By Noah
at 2009-11-03T21:06
at 2009-11-03T21:06
Table of Contents
如題 要怎麼證明 First hydraulic exponent (M)
M=y/A [3T-(A/T)*(dT/dy)]
好像是從Z^2=C*y^M 跟 Z=A*D^0.5 推出來的 D是水力深度(D=A/T)
好像是要先取ln 再微分
可是消不掉C 請問要如何做?
感謝
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