Advanced Machine Design
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Advanced Machine Design Syllabus — Unit-wise Content
The official GTU curriculum for Advanced Machine Design (subject code 3171925) as prescribed for Mechanical Engineering · Semester 7 divides the course into 6 units, covering 69 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 (3171925)Unit 1 Fracture Mechanics
- Rise in stresses due to crack
- Crack tip opening displacement
- LEFM: Effect of crack on strength of ductile and brittle material
- Crack opening modes and Griffith theory
- Conceptof SIF and K Crack Tip Plasticity
- Use of K in design and analysis
- Determination of plastic zone
- size and shape
- Limitations ofLEFM
Unit 2 Surface Failures
- Friction: Rolling
- Effect of roughness
- velocity and lubrication on friction
- Wear: Adhesive
- Abrasive and Corrosive
- Lubrication: Hydrodynamic
- hydrostatic and elasto hydrodynamic lubrication
- Surface Fatigue
- Contact Stresses: Spherical
- General and Dynamic
- Surface Fatigue Strength
- design to avoid surface fatigue
Unit 3 Creep and Damping
- True stress and true strain
- Creep phenomenon
- Creep Curve
- Creep parameters
- time-temperature parameters and life estimate: Sherby- Dorn and Larson-Miller
- Stress relaxation
- Stress-Strain- Time relation
- Creep deformation under varying stress
- Component stress- strain analysis
- Energy dissipation in materials
Unit 4 Fatigue Failure
- Fatigue test and stress life (S-N) approach
- Factor Influences on S-N Behavior
- Life Estimating using S-N curve
- Fatigue from Variable Amplitude Loading
- Spectrum Load and Cumulative Damage
- Cumulative Damage Theories
- Cycle Counting Methods
- Life estimation using Stress Life Approach
- Life Estimation using Strain Life Approach
- Crack Growth and Life Estimation Model
Unit 5 Multiaxial stresses
- States of Stress and Strain and Proportional versus Non proportional Loading
- Yielding and Plasticity in Multiaxial Fatigue
- Stress-Based Criteria
- Equivalent Stress Approaches
- Sines Method
- Examples Using the Stress-Life Approach
- Energy-Based, and Critical Plane Approaches
- Strain-Based and Energy-Based Approaches
- Critical Plane Approaches and the Fatemi-Socie Model
- Example of Non proportional Loading
- Fracture Mechanics Models for 08 Subject Code: 3171925 w.e.f
- AY 2018-19 Fatigue Crack Growth
- Notch Effects and Variable Amplitude Loading
Unit 6 Housings
- The Function of Housings
- Materials for Housings
- Design of Housings
- Housings Split through the Axes of Shafts
- Design of Mounting Feet
- Design of Lifting Elements
- Housings Split at Right Angle to the Axes of the Shafts
- Non-split Housings
- Deformations and Stiffness Problems
- Housing Seals
- Sealing of Rigid Connections (Static Seals
- Sealing Movable Joints
- Noncontact Seals
- Contact Seals
- Combined Seals
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