JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

UNIT - I

Introduction: Fundamental Principles, Vehicle tires performance, cornering characteristics, Mechanics of Vehicle Terrain interaction. Vehicle Kinematics, Fundamental principles of velocity, acceleration. Two dimensional mechanisms, Forward Vehicle Dynamics.

UNIT - II

Three dimensional Mechanisms, Multi-Body Systems Design, Introduction to 3D vehicle design.

UNIT - III

Suspension Design: Computer models using Bond Graph Technology, Drive train dynamics, vehicle performance

UNIT - IV

Steering Mechanisms: Two and three dimensional analysis, Mechanics of Vehicle Terrain interaction. Vehicle Collations, Fundamental laws of motion, energy and momentum, Forces and Moments 2D and 3D. The Dynamics of vehicle rollovers.

UNIT - V

Wheeled Vehicle Handling – Handling control loop, vehicle transfer function, Kinematic behavior of vehicles with rigid wheels and with complaint tyres: Neutral steer point, static margin, over and under- steer. Solution with two degree of freedom in the steady state: Stability factor, characteristic and critical speeds. Tracked Vehicle Handling – Analysis of sprocket torques and speeds, required to skid steer a tracked vehicle. Extension of theory to include three degrees of freedom.

REFERENCE:

• 1. Vehicle Dynamics: Theory and Application/Reza Jazar/Springer 2008
• 2. Theory of Ground Vehicles/ J. Y. Wong/ John Wiley.
• 3. Vehicle stability/ Dean Karnopp/ Dekker Mechanical Engineering
• 4. Modeling & Simulation of Mechatronics Systems/ Karnoop Margolis, Rosenberg, /Wiley/ 2007.
• 5. Suspension and Tyres / Giles J.G. Steering/ Illiffe Books Ltd., London.
• 6. Fundamental of Vehicle Dynamics/ Gillespie/ T.D, SAE USA. M. Tech I Year – II Sem (Machine Design) COMPUTER AIDED TESTING, ANALYSIS AND MODELLING LAB TESTING
• 1. Preparation and study of the Micro Structure of ferrous metals and alloys.
• 2. Preparation and study of the Microstructure of nonferrous metals and alloys.
• 3. Effect of tempering time on the hardness of quenched carbon steels.
• 4. Effect of tempering temperature on the hardness of a hardened carbon steels.
• 5. Preparation of metallic specimens by electro polishing.
• 6. Study of work hardening characteristics of a pure metal.
• 7. Determination of carbon percentage in the given ferrous specimen. MODELING
• 1. Surface modeling.
• 2. Solid modeling.
• 3. Drafting.
• 4. Assembling. ANALYSIS OF STRUCTURES USING FEA PACKAGES
• 1. Static Analysis.
• 2. Modal Analysis.
• 3. Harmonic Analysis.
• 4. Spectrum Analysis.
• 5. Buckling Analysis.
• 6. Analysis of Composites.
• 7. Fracture mechanics.
• 8. Transient analysis