| 研究生: |
張群郁 Chang, Chun-Yu |
|---|---|
| 論文名稱: |
ANSYS應用於3D桿件元素之結構分析 Analysis of 3D Member Structures by Software ANSYS WORKBENCH |
| 指導教授: |
徐德修
Hsu, Deh-Shiu |
| 學位類別: |
碩士 Master |
| 系所名稱: |
工學院 - 土木工程學系 Department of Civil Engineering |
| 論文出版年: | 2012 |
| 畢業學年度: | 100 |
| 語文別: | 中文 |
| 論文頁數: | 131 |
| 中文關鍵詞: | 鋼結構 、ANSYS 、有限元素法 、斜撐桿件 、塑性 、非線性 、破壞分析 |
| 外文關鍵詞: | Steel structure, ANSYS, finite element method, solid element, plastic, nonlinearly, failure analysis |
| 相關次數: | 點閱:129 下載:11 |
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近年來,隨著建築技術的精進,結構物的強度與安全性也隨之提升,鋼結構設計亦不斷改進,並廣泛應用於公共工程當中,近年發展之輕型三維類桁架,鋼架結構多有應用在結構體中,此結構每單位重量的強度及勁度相當高。
材料在彈性階段時之結構行為已被前人所熟悉,當達到降伏進入塑性階段後,結構行為無法單純以理論推導而得,其中且因反覆的由彈性進入塑性、塑性進入彈性而更顯複雜。
類桁架結構與傳統桁架結構行為不同,傳統桁架載重僅作用於節點處,但類桁架載重可作用於桿件上,擁有桁架的幾何形狀,卻有鋼架的結構行為,桁架與類桁架兩者結構行為完全不相同。為了熟知三維類桁架結構在彈塑性間之行為,本研究利用電腦輔助工程分析軟體ANSYS Workbench來分析結構體材料達降伏進入塑性階段後之行為,如應力、變位、極限載重、破壞模式等進行研究探討,藉此獲得其彈塑性動力行為反應,並可據以進行合理之結構設計。
In recent years, building design and construction technology have been developed to enhance the strength and safety of the structures, including steel structures which are widely used in public works. Three dimensional truss-like steel frame which behaves with very high strength and stiffness is widely used.
Although it is already clear knowledge as structures vibrate in elastic stage, it will become much more complicated when it vibrate beyond elastic limit and the material goes into yielding stage. The structures behaves nonlinearly.
In order to investigate the dynamic behavior of the three dimensional truss-like steel frame, computer-aided engineering analysis software package ANSYS Workbench is used here in. Dynamic behaviors of the mentioned structure, such as stress, deflections, ultimate loads, and failure modes…etc. are detected in detail. It is expected to help engineers to face the design work in the future.
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