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系統識別號 U0026-2607201013145900
論文名稱(中文) 應用SolidWorks整合膝下義肢承筒建模與有限元素分析之研究
論文名稱(英文) Using SolidWorks for the Integration of Modeling and Finite Element Analysis for the Design of Transtibial Sockets
校院名稱 成功大學
系所名稱(中) 機械工程學系專班
系所名稱(英) Department of Mechanical Engineering (on the job class)
學年度 98
學期 2
出版年 99
研究生(中文) 劉風源
研究生(英文) Feng-Yuan Liu
學號 n1797105
學位類別 碩士
語文別 中文
論文頁數 137頁
口試委員 指導教授-許來興
口試委員-尤春風
口試委員-徐中華
口試委員-李輝煌
口試委員-黃聖杰
中文關鍵字 SolidWorks Simulation  ANSYS  義肢承筒  有限元素分析  介面壓力  膝下殘肢  逆向工程 
英文關鍵字 SolidWorks Simulation  ANSYS  Prosthetic socket  Finite element analysis  Interface pressures  Transtibial amputees  Reverse engineering 
學科別分類
中文摘要 本研究是整合建模工作與有限元素分析在SolidWorks的工作環境之下,從建模使用SolidWorks到有限元素分析使用SolidWorks Simulation,檔案不需要經過轉換,直接在相同的環境工作,避免轉檔的誤差並減少不同軟體的學習時間。
在實驗驗證上,本研究進行步態分析,並且進行殘肢與承筒間介面壓力之量測實驗,針對殘肢之受壓區與非受壓區的若干部位,詳細記錄數值,比對有限元素分析模擬數據,驗證義肢承筒的適合程度,作為義肢裝具師設計更符合患者穿戴的承筒之參考。
在有限元素分析上,設定邊界條件,經由轉換力板座標與義肢座標,利用求得之反力值施加於支幹上,作為輸入條件,以ANSYS及SolidWorks Simulation進行模擬分析,驗證實驗量測、ANSYS及SolidWorks Simulation模擬,三者數值之間的差異,獲得某些誤差範圍內的結果,數據顯示證明SolidWorks作為整合建模與有限元素分析的可行性。
英文摘要 This research is to integrate modeling and finite element analysis work in SolidWorks environment, from modeling to finite element analysis using SolidWorks and SolidWorks Simulation, the file does not require conversion, direct work in the same environment. It’s avoid the error file conversion and reduce the learning time during different softwares.
In the experiment, this study conducted gait analysis, and to interface between the stump and the prosthetic socket pressure measurement in the pressure-tolerance areas against the stump and pressure-relief areas of the site, detailed records of value, compared finite element analysis simulation data to verify the suitability of the prosthetic socket. The results of this study may provide an objective information for prosthetist to design the prosthetic sockets.
In the finite element analysis, setting boundary conditions, by converting force plate coordinates with prostheses coordinates, using the value obtained by the reaction force imposed on a branch of the prosthetic socket , as input conditions to ANSYS and SolidWorks Simulation analysis, confirmatory experimental measurement, ANSYS and SolidWorks Simulation data, the difference between the three values to obtain the results within some error, the data show that as the integration of SolidWorks modeling and finite element analysis is feasible.
論文目次 目次
第一章 緒論 1
1.1 前言 1
1.2 研究背景與動機 3
1.3 研究目的 6
1.4 論文架構 8
第二章 文獻回顧與理論基礎 9
2.1 截肢 9
2.1.1截肢的人口 9
2.1.2截肢的原因 11
2.1.3截肢的種類 12
2.2 義肢 14
2.2.1膝下義肢的結構 15
2.2.2膝下義肢的型式 18
2.2.3膝下義肢設計的要求 21
2.3 步態分析 22
2.3.1步態分析簡介 22
2.3.2步態分析的參數定義 24
2.3.3步態分析的動作分析 26
2.3.4步態分析的反作用力量測 31
2.4 殘肢與承筒間介面應力之量測 34
2.5 殘肢與承筒間介面應力有限元素分析 41
2.6 動力分析相關理論 51
第三章 實驗設計 54
3.1 實驗目的 54
3.2 受測義肢穿戴者、受測承筒與受測部位 54
3.3 實驗設備 59
3.3.1 介面壓力量測設備 59
3.3.2 步態分析量測設備 63
第四章 有限元素模型建立與分析 71
4.1 問題描述 71
4.2 SolidWorks Simulation簡介 72
4.3 幾何模型建立 74
4.3.1 骨頭模型建立 74
4.3.2 軟組織模型建立 84
4.3.3 襪套模型建立 88
4.3.4 承筒模型建立 91
4.4 有限元素分析流程簡介 92
4.5 義肢承筒有限元素分析案例 95
4.5.1 材料性質設定 95
4.5.2 網格建立與收斂性分析 96
4.5.3 接觸條件設定 99
4.5.4 邊界條件設定 100
第五章 結果與討論 102
5.1 步態分析實驗結果 102
5.2 殘肢與承筒間介面壓力結果 110
5.3 殘肢與承筒間介面壓力實驗與FEA結果比較 112
第六章 結論與未來展望 123
6.1 結論 123
6.2 未來展望 125
參考文獻 127
自 述 137
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