Abstract
This paper used NX8.0 to perform parametrization design, motion simulation, finite element analysis, fatigue life analysis and optimization design on the automobile interior doorhandle. Load Transfer Method and Single Body Method were used to analyze the Maximum stress of door-handle. The mechanical properties before and after optimization were compared. Results showed that the maximum stress was reduced by 12.65%, the fatigue life is 3.62E+007 Duty Cycles, and fatigue life met design requirements. All processes were completed under the same software, which ensured the data consistency and improved design efficiency.
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