Mechanical Design

This course is case study driven and brought by experts with many experiences of mechanical design. We emphasize on openness of discussions that will offer insight into your need.

1.       Introduction

Design and Design Process. Engineering Design Process. Design Methodology. Functional Based Approach. Significance of Design. Thinking Process in Design. Function, Mechanism & Structure. Force and Strength. Form and Dimension. Case Study in Process Plant Design. References.

2.       Material and Process

Material Property Definition : Tensile et, Ductility and Brittleness, Compression Test, Bending Test, Torsion Test, Fatigue Strength and Endurance Limit, Impact Resistance, Fracture Toughness, Creep and Temperature Effects. Homogeneity and Isotropy. Hardness. Coating and Surface Treatment. General Properties of Metals. General Properties of Non-metals.

3.       Load Determination

Loading Classes. Free Body Diagram. Load Analysis: 2-Dimensional Analysis, 3-Dimensional Analysis, Static Load Analysis. Case Studies of Static Load Analysis. Case Studies of Dynamic Analysis. Vibration Load. Impact Load.

4.       Stress, Strain, and Deflection

Stress. Strain. Principal Stresses. Plane Stress and Plane Strain. Mohr’s Circle. Applied vs. Principal Stresses. Direct Shear Stress, Bearing Stress and Tear-out. Beams and Bending Stresses. Deflection in Beams. Castigliano’s Method. Torsion. Combined Stresses. Case Studies in Static Stress and Deflection Analysis.

5.       Static Failure Theories

Failure of Ductile Material under Static Loading, Failure of Brittle Material under Static Loading Fracture Mechanics. Case Studies.

6.       Fatigue Failure Theories

Mechanism of Fatigue Failure. Fatigue-Failure Models. Machine Design Considerations. Fatigue Load. Measuring and Estimating Fatigue-Failure Criteria. Notches and Stress Consideration. Residual Stress. A General Approach to High-Cycle Fatigue Design. Case Studies.

7.       Surface Failure

Surface Geometry. Friction. Adhesive Wear. Abrasive Wear. Corrosion Wear. Surface Fatigue. Dynamic Contact Stress.