結構矩陣法好用在哪呢? - 土木
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By James
at 2014-01-08T19:41
at 2014-01-08T19:41
Table of Contents
如題,最近聽完李老師的結構學後感覺結構矩陣法計算量滿大的,還要記K的矩陣形式
變位設3個就要解3階的反矩陣算到吐血,傾角變位法只要解3條聯立方程式還比較好解
遇到題目真的不會想用這個法來解,寧可用單位力法跟傾角變位法解,
除非說題目問勁度K值,不然真的覺得這個法好像沒那麼好用,感覺好像是為了
應付考試問K值而準備的,有高手可以跟我說這法強在哪嗎?
我自己覺得最好用的題型解法如下
靜定與靜不定桁架--> 單位力法或結構矩陣法(可互相check答案)
靜定梁-->懸臂梁--> 力矩面積法與線性疊加法或單位力法(可互相check答案)
-->簡支梁--> 共軛梁法與線性疊加法或單位力法(可互相check答案)
-->外伸梁--> 鎖住開鎖法與線性疊加法或單位力法(可互相check答案)
1度靜不定梁--> 單位力法或傾角變位法或綜合彎矩分配法(可互相check答案)
2度以上靜不定梁--> 傾角變位法或綜合彎矩分配法(可互相check答案)
靜定剛架與1度靜不定剛架--> 單位力法或傾角變位法或綜合彎矩分配法(可互相check答案)
2度以上靜不定剛架--> 傾角變位法或綜合彎矩分配法(可互相check答案)
移動載重--> 影響線法
另外說一下李奇謀老師真的教的不錯,幫我打通不少觀念,很適合初學者
老毛的真的要有很強基礎才能聽
--
變位設3個就要解3階的反矩陣算到吐血,傾角變位法只要解3條聯立方程式還比較好解
遇到題目真的不會想用這個法來解,寧可用單位力法跟傾角變位法解,
除非說題目問勁度K值,不然真的覺得這個法好像沒那麼好用,感覺好像是為了
應付考試問K值而準備的,有高手可以跟我說這法強在哪嗎?
我自己覺得最好用的題型解法如下
靜定與靜不定桁架--> 單位力法或結構矩陣法(可互相check答案)
靜定梁-->懸臂梁--> 力矩面積法與線性疊加法或單位力法(可互相check答案)
-->簡支梁--> 共軛梁法與線性疊加法或單位力法(可互相check答案)
-->外伸梁--> 鎖住開鎖法與線性疊加法或單位力法(可互相check答案)
1度靜不定梁--> 單位力法或傾角變位法或綜合彎矩分配法(可互相check答案)
2度以上靜不定梁--> 傾角變位法或綜合彎矩分配法(可互相check答案)
靜定剛架與1度靜不定剛架--> 單位力法或傾角變位法或綜合彎矩分配法(可互相check答案)
2度以上靜不定剛架--> 傾角變位法或綜合彎矩分配法(可互相check答案)
移動載重--> 影響線法
另外說一下李奇謀老師真的教的不錯,幫我打通不少觀念,很適合初學者
老毛的真的要有很強基礎才能聽
--
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