The Design and Analysis of a Cushioning Module for Footwear
| Autor: | PING-JU LI, 李秉儒 |
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| Rok vydání: | 2019 |
| Druh dokumentu: | 學位論文 ; thesis |
| Popis: | 107 The middle-aged afflicted with Osteoarthritis (OA) are quite a few. In Taiwan, there are 3.5 million people suffering from the disease. On the one hand, for those with slight symptoms, the disease will cause mobility impairment; on the other hand, the patients with severe symptoms must need to undergo the surgery of knee replacement. Therefore, through mechanical analysis, the research aims to design a type of cushioning and energy-storing module for shoes, not merely alleviating the pains of patients but lowering the incidence rate of the disease as well. The cushioning module of the research possesses nonlinear characteristics. While under pressures, the relatively small stiffness at early stage can reduce the impact force; with constant pressures along the way, at the later stage, more energy can be accumulated within the limited deformed space due to the increase on stiffness. The energy helps provide the force to bounce back, enabling the users to feel a lot more relaxed and vigorous when walking or running. The research applies finite element analysis for simulation. By means of simulating and adjusting each parameter of shrapnel, the effect of cushion can match the individuals’ needs of different users or scenarios. Besides, the process includes establishing mathematical model of human body, exploring the interaction of stiffness and damping of shoe-module and ground vertical reaction force, and modifying the mathematical model according to the measurements on force plate. Eventually, the prototypes are offered for patients to wear, and parameters of shrapnel will be further recalibrated based on the objective data and subjective feelings of wearers. |
| Databáze: | Networked Digital Library of Theses & Dissertations |
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