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Parametrization study of suspension damping via finite element analysis
Fernandez-Cano, Daniel
Fernandez-Cano, Daniel
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t24009_Fernandez-Cano.pdf
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2024-05
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Dampers are used to absorb energy associated with undesirable vibration or force. In a passive suspension damping system, a direct interaction between the fluid and structural components is apparent. This thesis primarily focuses on conducting a systematic examination of cartridge valve emulators utilizing Finite Element Analysis (FEA). Simulations fulfill the theoretical premise on which cartridge dampers are based. A cartridge damper uses a valving mechanism to control the damping of the system by the passage of fluid through an orifice that is regulated by an elastic stack of plates or shims. Energy is not only absorbed by the elastic deformation of shims but also regulated by the changing restriction of flow through the orifice. After creating a cartridge damper model, this study concentrates on parametrizing the behavior of the damper in relation to the design parameters of shims using the FEA method. Variations in individual parameters, such as the shim length and the shim thickness are analyzed in relation to the damping force of suspension. All the results are achieved solely through the use of FEA within the Ansys software along with the following programs: Fluid Flow (Fluent), Transient Structural, and Coupled System. Fluid Flow (Fluent) and Transient Structural are connected through fluid-solid interactions provided by Coupled System for feedback. Based on the simulation results, it is assumed that the parametrization of cartridge valves is effective for achieving the proper operation of cartridge dampers.
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Thesis (M.S.)-- Wichita State University, College of Engineering, Dept. of Industrial, Systems, and Manufacturing Engineering
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Wichita State University
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