Title :
Wear analysis of UHMWPE acetabular cup in standard gait
Author :
Bao-Quan Zhu ; Wen-jie Zhai
Author_Institution :
Sch. of Mechatron. Eng., Harbin Inst. of Technol., Harbin, China
Abstract :
The integral values of stress based on FEM to distance based on Euler angle on the UHMWPE acetabular cup for standard gait was obtained, and the Archard wear equation was applied to evaluate wear resistance of the a series points on the surface of the UHMWPE acetabular cup. The result shows that the deepest wear point depends on both the loading and the relative moving tracks. In the special condition, each point on the surface of the acetabular is acquired and the wear depth is no more than 0.3 mm after a million paces.
Keywords :
finite element analysis; gait analysis; prosthetics; spatial variables measurement; stress analysis; wear resistance; Archard wear equation; Euler angle; FEM; UHMWPE acetabular cup; relative moving tracks; standard gait; wear depth; wear resistance; Finite element methods; Hip; Iron; Joints; Load modeling; Mathematical model; Stress; Archard law; acetabular cup; wear;
Conference_Titel :
Electronic and Mechanical Engineering and Information Technology (EMEIT), 2011 International Conference on
Conference_Location :
Harbin, Heilongjiang, China
Print_ISBN :
978-1-61284-087-1
DOI :
10.1109/EMEIT.2011.6023493
