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博碩士論文 etd-0726101-143022 詳細資訊
Title page for etd-0726101-143022
論文名稱
Title
高爾夫桿頭厚度變化之碰撞效果分析
Analysis of Impact Effect to Varied Thickness of Golf Club Head
系所名稱
Department
畢業學年期
Year, semester
語文別
Language
學位類別
Degree
頁數
Number of pages
72
研究生
Author
指導教授
Advisor
召集委員
Convenor
口試委員
Advisory Committee
口試日期
Date of Exam
2001-06-08
繳交日期
Date of Submission
2001-07-26
關鍵字
Keywords
有限元素法、電腦輔助工程、彈簧效應、甜蜜區
Spring-like Effect, Sweet Spot, Finite Element Method, Computer Aided Engineering
統計
Statistics
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中文摘要
中 文 摘 要
本文主旨在藉由結合電腦輔助設計軟體I-DEAS及有限元素分析軟體LS-DYNA,分析高爾夫球桿頭與球體碰撞過程。I-DEAS軟體之參變數設計特性可設定不同尺寸及結構厚度參數,藉由改變各項參數可輕易地繪製出不同容積及結構厚度高爾夫球桿頭有限元素模型。而LS-DYNA軟體外顯性中央差分法使得分析過程更快速。
本文以田口式實驗設計法為基礎架構分析桿頭結構厚度改變對不同容積之高爾夫球桿頭其擊球效果變化,以探討各結構厚度對擊球效果之影響。並分析桿頭質心偏移球體質心之碰撞,以探討不同容積之高爾夫球桿頭其甜蜜區之大小及最佳打擊點位置。最後利用上述分析結果,歸納出較佳之桿頭設計方向,以提供桿頭研發設計人員參考。

Abstract
ABSTRACT
The substance of this study is to analyze the impact process between golf club head and golf ball by integrating the capability of the CAD software I-DEAS and the finite element analysis software LS-DYNA. The various golf club head can be created much easily by determined the dimension parameter in the variable-parameter characteristics of I-DEAS. The computational cost can be reduced by explicit central difference method of LS-DYNA.
This study is to analyze the impact effect of varied thickness based on Taguchi method of experimentation and off-center hit in difference volume club head. After that, the hitting area, the sweet spot of club head and influencing factors of impact effect are discussed. It is expected that the findings of the study may provide engineers with some effective method to deal with golf club head design.

目次 Table of Contents
內容目錄

標 題 頁 數
中文摘要…………………………………………………………. I
英文摘要…………………………………………………………. II
內容目錄…………………………………………………………. III
圖目錄……………………………………………………………. V
表目錄……………………………………………………………. VII
第一章、緒論……………………………………………………. 1
1-1 前言……………………..……………………………… 1
1-2 文獻回顧…..…………………………………………… 2
1-3 研究動機及目的……………………………………….. 4
1-4 使用軟體介紹………………………………………….. 5
1-5 高爾夫桿頭外形設計法則…………………………….. 8
1-6 研究方法及步驟……………………………………….. 10
第二章、理論基礎………………………………………………. 12
2-1前言……………………..……………………………… 12
2-2理論基礎……………………..………………………… 12
2-2-1 統禦方程式……………………………………….. 12
2-2-2 接觸-碰撞演算法則……….……………………… 16
2-2-3 中央差分法……………………………………….. 18
第三章、有限元素模型…………………………………………. 22
3-1前言……………………..……………………………… 22
3-2 基本假設………………………………………………. 22
3-3 材料性質………………………………………………. 22
3-4有限元素模型之元素種類..…………………………… 24
3-5 邊界及初始條件………………………………………. 25


3-6有限元素模型建構及分析流程………………………. 26
第四章、分析結果……………………………………………… 28
4-1前言……………………..……………………………… 28
4-2 不同容積之二參數厚度桿頭之碰撞分析……………. 28
4-2-1分析說明………………………………………….. 28
4-2-2分析結果….…….………………………………… 29
4-2-3結果討論….…….………………………………… 33
4-3不同容積之三參數厚度桿頭之碰撞分析…………….. 34
4-3-1分析說明………………………………………….. 34
4-3-2分析結果….…….………………………………… 35
4-3-3結果討論….…….………………………………… 44
4-4 桿頭最佳擊球區域之探討……………………………. 48
4-4-1分析說明………………………………………….. 48
4-4-2分析結果….…….………………………………… 49
4-4-3結果討論….…….………………………………… 54
4-5 三參數厚度桿頭偷輕結構之碰撞分析………………. 58
4-5-1分析說明………………………………………….. 58
4-5-2分析結果….…….………………………………… 60
4-5-3結果討論….…….………………………………… 60
4-6 不同揮桿速度之碰撞分析……………………………. 61
4-6-1分析說明………………………………………….. 61
4-6-2分析結果….…….………………………………… 61
4-6-3結果討論….…….………………………………… 67
第五章、結論……………………………………………………. 68
參考文獻…………………………………………………………. 71

參考文獻 References
參考文獻
1. Takuzo IWATSUBO, Nobuki KONISHI, and Tetsuo YAMAGUCHI, "Research on Optimum Design of a Golf Club", 日本機械學會論文集(c), Vol. 56, pp. 68-73,1990.
2. Takuzo IWATSUBO, Noritoshi NAKAGAWA, Masakatsu AKAO, Ichiro TOMINNAGA, and Tetsuo YAMAGUCHI, "Optimum Design of a Golf Club Head", 日本機械學會論文集(c), Vol. 56, pp.203-209, 1990.
3. Tetsuo YAMAGUCHI, Ichiro TOMINAGA, Takuzo IWATSUBO, Nortitoshi NAKAGAWA, and Masakatsu AKAO, "Transfer Characteristics in Collision of Two Viso-Elastomers under Mechanical Impedance", Theoretical and Appl. Mech., Vol. 34, pp. 153-166,1985.
4. Charles E. Smith, Pao-Pao Liu, "Coefficient of Restitution", J. Appl. Mech., Vol. 59, pp. 963-969,1992.
5. A.C. Eringen, "Transverse Impact on Beam and Plates", J. Appl. Mech., 1953.
6. Y. Lee, J. F. Hamilton, and J. W. Sullivan, "The Lumped Parameter Method for Elastic Impact Problems", J.Appl. Mech., Vol. 50, pp.823-827, 1983.
7. C. Zener, and H. Feshbach, "A method of Calculating Energy Losses During Impact", J. Appl. Mech., June, pp. A67-A70, 1939.
8. J. B. Keller, "Impact With Friction", J. Appl. Mech., Vol. 53, pp.1-4, 1986.
9. Brylawski, A. M(1994) “An investigation of three dimension deformation of a golf club during downswing”. Science and golf II: Proceedings of the 1944 World Scientific Congress of golf. pp. 265-170.
10. Miline, R.D. (1990)”What is the role of the shaft in the golf swing?” Science and Golf: Proceedings of the 1944 World Scientific Congress of golf. pp. 252-257.
11. Winfield, D.C. and Tan, T.E.(1994)”Optimization of clubhead loft and swing elevation angles for maximum distance of a golf drive”. Computers & Structures Vol.53, nl, pp19-25.
12. Kane, T K. and Levision, D.A., (1985)Dynamices: Theory and Applications. McGraw-Hill, NewYork.
13. Takuzo IWATSUBO(1998)”Analysis of Golf Impact Phenomenon and Ball Trajection. ”JSME Int. Journal., Series C, Vol.41,No.4,pp.823-828.


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