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題 名 | 股脛關節之有限元素接觸應力分析=Finite Element Contact Stress Analysis of the Tibiofemoral Joint |
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作 者 | 陳文斌; 江清泉; 黃偉良; 簡秋記; | 書刊名 | 中華醫學工程學刊 |
卷 期 | 19:1 1999.03[民88.03] |
頁 次 | 頁19-27 |
分類號 | 416.26 |
關鍵詞 | 股脛關節; 膝; 有限元素法; 接觸應力; Tibiofemoral joint; Knee; Finite element method; Contact stress; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究目的在建立人體股腔關節之三維有限元素模型並分析其股骨及經骨間之接 觸應力。利用電腦斷層掃瞄所得到的影像來擷取股腔關節股骨與經骨緻密骨與海綿質骨輪廓 ,之後以分層輪廓建立三角形表面模型並以 MARC 有限元素分析軟體來建立其四面體有限元 素網格,再以 CRAY 超級電腦來作接觸應力分析。此外,並以模的收斂性來驗證此模型。依 本研究之方法可自動且精確的建立人體股脛關節有限元素模型,此模型可提供在.不同負載 條件下複雜之骨頭結構接觸應力分佈情形,分析之結果可提供膝關節生物力學相關研究之參 考。 |
英文摘要 | The purpose of this study is to reconstruct a three-dimensional finite element model of the human tibiofemoral joint and to analyze the contact stress in the joint. CT scan images were used to obtain the cortical and cancellous bone contours of the femur and the tibia in each cross-section. The contours were used to generate the triangular surface model and then tetrahedral finite element mesh was created by using a commercial finite element software - MARC. Contact stress analysis for the tibiofemoral joint subjected to the stance loading condition was performed on a Cray supercomputer. The convergence of the mesh was also verified. This anatomically accurate finite element model can provide a means for evaluating the stress distributions of the complex bone structure under various loading conditions. The results can provide valuable information for understanding the biomechanics of the tibiofemoral joint. |
本系統中英文摘要資訊取自各篇刊載內容。