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Based on the Disc Brakes Assembly Strength and Stiffness Analysis

Author: ZhangZuo
Tutor: MaLi
School: Wuhan University of Technology
Course: Vehicle Engineering
Keywords: Disc brake assembly Strength stiffness Thermal stress Modal Mechanical stress Parametric design
CLC: U463.512
Type: Master's thesis
Year: 2011
Downloads: 355
Quote: 4
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Abstract


This paper first expounded topic source and topic background. Expounded the purpose and significance of research subjects. Analyzed the research status from domestic and abroad. Learned about current of international and domestic research achievements about brake. In view of the current situation and trend of the research, determined the brake assembly performance study method combined with the requirements of topic coming from enterprise, designed a set of complete design technical route, and determined the overall research schemes and theories. According to the theory of thermodynamics, the theory of strength and stiffness, modal theory and parametric design theory, conducted temperature field and thermal stress research, mechanical stress finite element analysis, modal analysis and the parametric finite element analysis to the brake assembly.According to the thermal theoretical basis, established the temperature field and thermal stress of the mathematical model. Chose the ABAQUS as the temperature field and thermal stress analysis software platform. Established the simplify geometry model and the finite element calculation model about brake disc and brake block. According to the thermal stress calculation results, researched the steady-state temperature field about the brake.Researched the mechanical stress about the brake assembly. According to the analysis of stress, analyzed the brake disc assembly braking force situation. Chose the ANSYS as the simulation analysis software platform. Established the finite element calculation model about the brake assembly.Analyzed the free modal of the brake calipers, frame, piston, brake plate and the block. Established the parts finite element calculation model. All parts were extracted first 12 modes, and obtain the frequencies and modal shape.In order to improve product design efficiency and reduce duplication of work time for modeling consumption, using the ANSYS parametric design language APDL established the brake disc assembly parametric geometric model and parametric FEM. Analyzed the parametric finite element model of a typical disc brake assembly.This research for disc brake assembly product development, retrofit and the establishment of digital platform provides reference and basis.

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CLC: > Transportation > Road transport > Automotive Engineering > Automotive structural components > Braking system > Brake > Disc
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