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Auxetic 스포크 구조를 갖는 비 공기압 타이어의 진동 특성 해석
조홍준(Hongjun Jo),이치훈(Chihoon Lee),김두만(Doo-Man Kim),김학주(Hakjoo Kim) 대한기계학회 2011 대한기계학회 춘추학술대회 Vol.2011 No.10
The vibration characteristic of tire which is heavily related to the noise and comfort on driving. Therefore, In this paper, we investigate modal analysis of non-pneumatic tires with auxetic spoke type and compare with the pneumatic tire. The modal analysis of non-pneumatic tire is investigated for geometric of NPT which is designed by cell angle of spoke. The analysis is based on the finite element method and used ABAQUS program, which is able to non-linear analysis. The material of NPT is used for the Ogden energy model, which is model of hyperelastic material. Natural frequencies and mode shapes of non-pneumatic tire are investigated and are compared result of NPT with it of pneumatic tire.