單位立法及能量法之外功 - 土木
By Linda
at 2018-02-23T15:58
at 2018-02-23T15:58
Table of Contents
如題
跟版上先進請教
在陳宏謀老師的結構學一書裡
單位力法的外功是W=P*cos角度*S
能量法的外功是W=1/2*P*d(delta)
請問為什麼有這樣的差異???差別在哪呢
感謝先進指導
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