重疊定理與力偶矩 - 土木

By Isla
at 2012-03-19T14:41
at 2012-03-19T14:41
Table of Contents
http://tinyurl.com/86xvjjv (題目)
http://tinyurl.com/888pwyw
我看詳解求δB把在非B點的力用力偶矩的方式全部集中在B點
然後用帶公式直接算很快
http://tinyurl.com/7smr9j2
我也以同樣的方式作,以δC2為例,但是我算出來系數為(1/3)跟書上答案不同
不知哪邊錯了?
http://tinyurl.com/7lbtdkd (題目)
http://tinyurl.com/7hdu79v
詳問一下重疊法使用的觀念,為什麼B點左邊可以用弧常類比呢?弧長是曲線
但撓度是直線,這樣不會有誤差嗎?
另外如果B點右邊也用弧常類比算出來會跟公式法的答案不同
不知哪邊錯了?
--
http://tinyurl.com/888pwyw
我看詳解求δB把在非B點的力用力偶矩的方式全部集中在B點
然後用帶公式直接算很快
http://tinyurl.com/7smr9j2
我也以同樣的方式作,以δC2為例,但是我算出來系數為(1/3)跟書上答案不同
不知哪邊錯了?
http://tinyurl.com/7lbtdkd (題目)
http://tinyurl.com/7hdu79v
詳問一下重疊法使用的觀念,為什麼B點左邊可以用弧常類比呢?弧長是曲線
但撓度是直線,這樣不會有誤差嗎?
另外如果B點右邊也用弧常類比算出來會跟公式法的答案不同
不知哪邊錯了?
--
Tags:
土木
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at 2012-03-22T06:32
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