請問一下體積積分法的m圖要怎麼畫呢? - 土木
By Edwina
at 2012-03-17T20:39
at 2012-03-17T20:39
Table of Contents
我有去坊間書局去找一些關於結構學的參考書,但是對於體積積分法的m圖沒有很詳細的
解說
所以想要請教板上的各位高手m圖要怎麼畫呢?
http://ppt.cc/h-eg
首先想先問這個m圖為什麼y=0.75a+0.25b 呢
我的想法是y=a+(1/3)b (y所在的位置高度為a的長方形+高度為(1/3)b的三角形)
http://www.wretch.cc/album/show.php?i=blackpitduke&b=1&f=1435430059&p=125
(題目)
http://www.wretch.cc/album/show.php?i=blackpitduke&b=1&f=1435430060&p=126
(詳解)
這題的m圖中間為什麼最高且值為L/4呢?兩邊高度最低?
--
解說
所以想要請教板上的各位高手m圖要怎麼畫呢?
http://ppt.cc/h-eg
首先想先問這個m圖為什麼y=0.75a+0.25b 呢
我的想法是y=a+(1/3)b (y所在的位置高度為a的長方形+高度為(1/3)b的三角形)
http://www.wretch.cc/album/show.php?i=blackpitduke&b=1&f=1435430059&p=125
(題目)
http://www.wretch.cc/album/show.php?i=blackpitduke&b=1&f=1435430060&p=126
(詳解)
這題的m圖中間為什麼最高且值為L/4呢?兩邊高度最低?
--
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土木
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