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研究生:吳明親
研究生(外文):Ming-Chin Wu
論文名稱:複合材料圓管承受扭矩之應力應變分析
論文名稱(外文):Stress and Strain Analysis of Laminated Composite Pipe Subjected to Torsional Loading
指導教授:劉文縉
指導教授(外文):Wen-Jinn Liou
學位類別:碩士
校院名稱:逢甲大學
系所名稱:機械工程學所
學門:工程學門
學類:機械工程學類
論文種類:學術論文
論文出版年:2005
畢業學年度:93
語文別:中文
論文頁數:66
中文關鍵詞:有限元素分析軟體扭轉負荷角度疊層正交疊層
外文關鍵詞:Element Analysis SoftwareTorsional LoadingCross-PlyAngle-Ply
相關次數:
  • 被引用被引用:2
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  • 下載下載:0
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  具強化纖維之疊層複合材料由於在室溫下與其他的材料比起來擁有很高的抗腐蝕性、高強度/密度比 (Strength-to- Density Ratio)和高勁度/密度比(Stiffness-to-Density Ratio)。所以被廣泛的運用在石油化學工業的輸油管和壓力容器等,近年來有許多有關複合材料圓管這一方面的研究,例如:應力和應變分析、挫屈分析、振動分析及設計等。
  在本論文中,吾等利用現有的有限元素分析軟體,探討疊層複合材料圓管承受扭轉負荷時的彈性行為。分析單向性疊層,正交疊層和角度疊層和擬等方向疊層的複合材料圓管籌受扭矩負荷時的,應力分佈、應變分佈及扭轉角度。利用有限元素分析軟體所預測的應力和應變分佈情形與現有的複合材料力學分析模型理論求得之結果做比較,發現兩者之結果非常的相似。吾等也討論疊層方向對於複合材料圓管在承受扭轉負荷時的應力、應變、扭轉角度和扭轉勁度會有什麼樣的影響。
Fiber-reinforced composite laminates have been used extensively for making pipelines and pressure vessels in petrochemical industry due to their high corrosion resistance and high strength-to-density ratio and/or stiffness-to-density ratio as compared to any other materials at moderate temperature. Many studies have been conducted on various aspects of composite laminated pipe which cover the topics of stress and strain, buckling, design, etc.
In the present investigation, the elastic behavior of laminated composite pipe subjected to torsional loading was performed by using finite element analysis software. The stress distributions along the thickness of the pipe, strain distributions and torsional angles of unidirectional, cross-ply, angle-ply, quasi-isotropic laminated pipes were analyzed. The predicted stress and strain distributions were compared with the solutions computed by the existing analytical model based on the mechanics of composite materials. A good agreement was noticed between the finite element solution and analytical results. The effects of ply orientations on the stress, strain, torsional angle and torsional stiffness were also conducted.
誌謝 I
摘要 II
ABSTRACT III
目錄 IV
圖目錄 VI
表目錄 IX
第一章 前言 1
1.1 簡介 1
1.2 文獻回顧 3
1.3 研究動機及方向 5
第二章 複合材料積層板理論 7
2.1 前言 7
2.2 古典層板理論(Classical Lamination Theory) 7
2.2.1 單一疊層之應力應變關係(Lamina Stress-Strain Relationships) 8
2.2.2 複合材料積層板的勁度矩陣 12
2.2.3 對稱積層板之剪力模數 16
2.3 複合材料圓管承受扭力負荷之應力應變關係 17
第三章 ANSYS簡介以及分析模型規劃 23
3.1 前言 23
3.2 有限元素軟體ANSYS 簡介 23
3.3 模型建立 24
第四章 複合材料圓管承受扭矩之機械行為 26
4.1 前言 26
4.2 單向性(Unidirectional) 疊層複合材料圓管 26
4.3 正交(Cross Ply) 疊層和角度(Angle Ply) 疊層複合材料圓管 29
4.4 擬等方向性(Quasi-Isotropic) 疊層複合材料圓管 31
第五章 結論與未來發展 34
參考文獻 39
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