建立橋梁分析模式 - 土木
By Tristan Cohan
at 2012-02-26T13:51
at 2012-02-26T13:51
Table of Contents
各位先進好，最近在建構橋梁分析模式，有些疑惑想請各位先進指點。
該案例為簡支梁系統，如圖1。橋台兩端為輥支承，柱端均為鉸支承。
http://ppt.cc/ECBL-圖1
有限元素模式於圖2，節點1、2為大梁形心，節點100、200、201為帽梁頂部，
所以使用Body束制。接下來將節點1、200使用rigid bar連接，rigid bar設定方式
於圖3、4。為了符合鉸支承的特性，我將橋柱頂部彎矩釋放，設定方式於圖5。
希望這樣的設定能符合柱端與大梁為鉸支承之行為。
http://ppt.cc/KFjk-圖2
http://ppt.cc/G1iV-圖3
http://ppt.cc/czx!-圖4
http://ppt.cc/@1EI-圖5
懇請各位先進指導，感激！
--
該案例為簡支梁系統，如圖1。橋台兩端為輥支承，柱端均為鉸支承。
http://ppt.cc/ECBL-圖1
有限元素模式於圖2，節點1、2為大梁形心，節點100、200、201為帽梁頂部，
所以使用Body束制。接下來將節點1、200使用rigid bar連接，rigid bar設定方式
於圖3、4。為了符合鉸支承的特性，我將橋柱頂部彎矩釋放，設定方式於圖5。
希望這樣的設定能符合柱端與大梁為鉸支承之行為。
http://ppt.cc/KFjk-圖2
http://ppt.cc/G1iV-圖3
http://ppt.cc/czx!-圖4
http://ppt.cc/@1EI-圖5
懇請各位先進指導，感激！
--
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土木
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