Vehicle Dynamics
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Vehicle Dynamics Syllabus — Unit-wise Content
The official GTU curriculum for Vehicle Dynamics (subject code 3170203) as prescribed for Auto · Semester 7 divides the course into 7 units, covering 86 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (3170203)Unit 1 Understanding Vehicle dynamics
- Fundamental Approach to Modeling (Lumped mass
- Vehicle Fixed Coordinate system
- Earth Fixed Coordinate System
- Euler Angles)
- Acceleration performance of Vehicle Power-limited Acceleration (based on Engines
- Power Train – transmission & final drive ratio
- Automatic Transmissions)
- Traction-limited Acceleration (Transverse weight shift due to drive torque
- traction limits)
- Braking Performance Basic Equations (Constant Deceleration
- deceleration with wind resistance)
- Energy / Power absorbed during braking
- Braking Forces
- Brakes factor
- Tire road Friction
- Federal Requirements for Braking Performance
- Braking Proportioning
- Anti-Lock brake system
- Braking Efficiency
- Rear wheel Lockup
- Pedal Force Gain
Unit 2 Aerodynamics
- Mechanics of Air Flow Around a Vehicle
- Pressure Distribution on a Vehicle
- Aerodynamic Forces
- Drag Components
- Aerodynamics Aids
- Rolling Resistance (Factors affecting rolling resistance
- Typical coefficient)
- Total road Loads and effect of Road loads on Fuel economy
Unit 3 Tire Mechanics
- Tire Construction
- Size and Load Rating
- Terminology and Axis System
- Tractive Properties
- Cornering Properties
- Camber Thrust
- Aligning Moment
- Combined Braking and Cornering
- Conicity and Ply Steer
- Rolling Resistance
- Elastic Band Model for longitudinal slip
- Simple model for lateral slip
- Combined longitudinal/lateral slip (friction ellipse)
- Taut string model for lateral slip
- Magic Tire Formula
Unit 4 Suspensions
- Suspension Kinematics
- Suspension types
- Solid Axles
- Independent Suspensions
- Anti-Squat and Anti-Pitch Suspension Geometry
- Anti-Dive Suspension Geometry
- Roll Center Analysis
- Suspension Dynamics
- Multi-body vibration
- Body and Wheel hop modes
- Invariant points
- Controllable Suspension Elements: Active
- Semi- Active
- Choice of suspension spring rate
- Calculation of effective spring rate
- Vehicle suspension in fore and apt directions
Unit 5 The Steering System
- The Steering Linkages
- Steering System Forces and Moments
- Steering System Models
- Steering Geometry
- Steady Handling (2 DOF steady state model)
- 08 Subject Code: 3170203 wef AY 2018-19 Under steer and Over steer
- Effect of Tire Camber and Vehicle Roll (3 DOF steady-state model)
- Transient Handling and Directional Stability (2 DOF unsteady model)
- Effect of Vehicle Roll on Transient Handling (3 DOF unsteady model)
- Steady-State and Transient Handling of Articulated Vehicles
Unit 6 Rollover
- Quasi-Static Rollover of a Rigid Vehicle
- Quasi-Static Rollover of a Suspended Vehicle
- Transient Rollover
- Steady-state Cornering Basics
- Low-speed Turning
- High- speed cornering (Tire Cornering forces
- Cornering Equations)
Unit 7 Motorcycle Dynamics
- Kinematic structure of motorcycle
- geometry of motorcycles
- importance of trail
- Resistance forces acting on motorcycle (tyre rolling resistance
- aerodynamic resistance forces
- resistant force caused by slope)
- Location & height of motor cycle’s centre of gravity (C.G)
- Moments of inertia on Motorcycle
- Introduction to Front & Rear suspensions of Motorcycle
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