機械力學-懸臂樑的撓度計算 - 考試
By Zanna
at 2015-04-16T11:23
at 2015-04-16T11:23
Table of Contents
[課業] 國考課業相關問題,歷屆考題的討論,如學理觀念的釐清。
===========================板規宣導,ctrl+y可刪除 ============================
http://imgur.com/OJVbMDs
http://imgur.com/bQ5VxHo
http://imgur.com/Lcvwlab
http://imgur.com/sFuua2w
題目如上圖所示,有問題的地方在於ΔCA
請問為何是[(PL/2)*L*(1/2)*(L/3+L/2)+(PL/2)*(L/2)*(1/2)*(L/3)]/EL
ΔCA是代表大三角形面積*面積矩為何要加上小三角形?
而不是單純的(PL/2)*(3L/2)*(1/2)*1/3(L+L/2)
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備註:刪除文章會進入垃圾桶並不會消失,所以自刪課業文絕對能查的到!!
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