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系統識別號 U0026-0812200915255493
論文名稱(中文) 靜止站立時鞋底墊對足底壓力重新分佈的影響
論文名稱(英文) Effects of Sole on the Plantar Stress Redistribution during Standing
校院名稱 成功大學
系所名稱(中) 工程科學系碩博士班
系所名稱(英) Department of Engineering Science
學年度 97
學期 2
出版年 98
研究生(中文) 童劭豪
研究生(英文) Shao-hao Tong
電子信箱 n9696121@mail.ncku.edu.tw
學號 n9696121
學位類別 碩士
語文別 中文
論文頁數 94頁
口試委員 口試委員-黃聖杰
口試委員-黃登淵
指導教授-李輝煌
中文關鍵字 有限元素模型    鞋墊  足底壓力 
英文關鍵字 Finite Element Model  Footwear  Sole  Plantar Pressure 
學科別分類
中文摘要 鞋子的舒適度,取決於穿著在腳上時是否有局部異常的疼痛感,承受人所有重量的足底,則是最容易發生足部病變的部位,為了減少足部病痛的產生,增加足底與鞋墊的接觸面積,及降低足底最大壓力並且均佈化是本研究的主要目的。然而,鞋子舒適程度的定義卻不僅止於足底壓力的大小,其中,鞋墊(Sole)與鞋大底(Outsole)材料、厚度、軟硬程度都是必需考量的因子,因此,在本論文中,利用已經建立完成的右踝足3D實體模型,成功建構出鞋墊、大底的簡單幾何形狀,並分別導入線性材料參數至鞋墊、大底、軟骨 (Cartilage)與骨頭,與非線性材料參數至皮膚軟組織 (Soft tissue)及足底筋膜 (Plantar fascia),透過有限元素分析軟體ANSYS,以人靜止站立在鞋墊上,模擬站立時鞋墊的應力反應值對人足部三區塊:前足(Fore-foot)、中足(Mid-foot)與後足(Rear-foot)的壓力、足底筋膜應力分佈及鞋墊三區塊:蹠骨區(Metatarsal region)、中足區(Mid-foot region)與足跟區(Heel region)應力的分析,並以足底壓力量測儀器Pedar-X系統,進行量測人站立一段時間體重平均分佈在雙腳上的足底壓力,經過比較模擬分析結果與實驗數據,得到初步分析的一致性,有利於進一步的鞋墊厚度最佳化與鞋底應力分析,以供製鞋業者參考。
英文摘要 The comfortability of footwear is determined by the foot pain of sensitivity on local area of the plantar which is to bear weight. This study aims at increasing the contact area between plantar and insole, decreasing the peak plantar pressure and redistributing the plantar pressure. However, quantification of plantar pressure is not complete enough to describe the biomechanical behavior and the comfortability of footwear. It is necessary to consider the material, thickness and hardness of insole and outsole. In this research, a 3D solid model of right angle-foot which had been created previously was used to construct a simple geometry of insole and outsole. Moreover, nonlinear material models, Mooney-Rivlin hyperelasticity model and polynomial form model, were employed for plantar fascia and soft tissue, respectively; while the sole, cartilage and bone were assumed to be linearity. By using finite element analysis software ANSYS 11.0, effects of sole on the plantar stress redistribution and plantar fascia stress response were analyzed during standing for three regions of plantar: fore-foot, mid-foot and rear-foot. Meanwhile, the analysis of stress of insole for three regions: metatarsal region, mid-foot region and heel region were also encountered. The FE model validation was completed by comparing the FE model calculation to the Pedar-X device measurements. A good agreement between experimental and analytical result has been achieved.
論文目次 摘要 I
Abstract II
致謝 III
表目錄 IX
圖目錄 X
符號說明 XIV
第一章 緒論 1
1-1 前言 1
1-2 研究背景 2
1-3 研究動機與目的 15
第二章 基礎理論 17
2-1 足部骨骼 17
2-1-1 跗骨 17
2-1-2 蹠骨和趾骨 19
2-2 足部為功能上的構造 22
2-2-1足弓 22
2-2-2 足部的推進動作 23
2-3 工程分析 26
2-4 材料非線性理論 28
2-4-1 Mooney-Rivlin理論 30
2-4-2 Polynomial Form材料常數 31
2-4-3 Hyperfoam理論 31
第三章 研究方法 32
3-1 建立模型 33
3-2 3D有限元素模型 36
3-3 材料參數設定 41
3-4 邊界條件設定 44
3-5非線性分析結果與討論 46
3-5-1 足底壓力 46
3-5-2 踝骨與筋膜 50
3-5-3 鞋墊 52
3-5-4 黏滯性材料 53
第四章 實驗方法與驗證 55
4-1 實驗儀器設備 55
4-2 校正實驗儀器 56
4-3 數據擷取 60
4-4 實驗驗證 63
第五章 結論與未來展望 67
5-1 結果討論 67
5-2 未來展望 69
參考文獻 71
附錄 A 76
索引 92
自 述 94
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