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5-036-HalfCarVibration-ModelingScenario

Author(s): Shengyong Zhang

Purdue University Northwest, Westville IN USA

Keywords: vibration vehicle half-car model finite element analysis shock absorbers suspension

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Abstract

Resource Image Vibration vehicle models provide an opportunity to integrate vehicle-based vibrations into a mechanical engineering vibrations course. The project is on a multiple-degree-of-freedom (MDOF) including pitch and bounce of vehicle body on suspension system.

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Article Context

Resource Type
Differential Equation Type
Technique
Qualitative Analysis
Application Area
Course
Course Level
Lesson Length
Technology
Approach
Skills
Key Scientific Process Skills
Assessment Type
Pedagogical Approaches
Vision and Change Core Competencies - Ability
Principles of How People Learn
Bloom's Cognitive Level

Description

The approach utilizes differential equation (DE) based mathematical modelling to solve speedbump induced vibration. The problem involves a half-car approach to a vehicle’s response when subject to a speed bump, or a sudden impulse load upon the model. These responses are captured and analyzed on pitch and bounce of the model at the center-of-gravity of the model. Finite element analysis (FEA) will be used in this project.

Students need be familiar with planar kinematic and planar kinetic analysis of rigid bodies, Laplace transform and inverse Laplace transform, and a knowledge of fundamental concepts in vibration analysis. It is suggested that each group is composed of three students.  It will take students 5 weeks to complete this project, including their in-class oral presentations.

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Authors

Author(s): Shengyong Zhang

Purdue University Northwest, Westville IN USA

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