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Finite Element Modeling Of Force Amplification At The Spindle Due To A Tire’S Cavity Mode: Experimental Verification, Won Hong Choi, Kyosung Choo, J Stuart Bolton
Finite Element Modeling Of Force Amplification At The Spindle Due To A Tire’S Cavity Mode: Experimental Verification, Won Hong Choi, Kyosung Choo, J Stuart Bolton
Publications of the Ray W. Herrick Laboratories
Reduction of tire road noise is an important issue when developing luxury cars and electric vehicles. In this context, the air cavity mode is an important source of spindle forces transmitted to the suspension that then increase interior noise levels. When a tire rotates, the cavity mode near 200 Hz splits into two adjacent modes due to a Doppler effect and tire deformation. That split can lead to increased levels of both longitudinal and vertical spindle forces at the spindle since the two acoustic modes each contribute to both forces when the tire rotates. Thus, it is important to develop …