Module 1 - Introduction
Chapter 3: Load and Stress Analysis
Chapter 3 Overview
Chapter 3 covers the following key concepts:
- Introduction to forces, moments, and stress types.
- Fundamentals of free-body diagrams and their role in mechanical analysis.
- Application of load and stress concepts in machine design.
Lecture 2
Lecture 2 Tasks
Today, we’re diving deeper into fundamental concepts of stress and strain in machine design. The tasks below will help solidify your understanding of these critical topics.
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Read
- Sections 3.1-3.2, 3.4-3.7, and 3.8-3.12 from Shigley's Mechanical Engineering Design to review normal, shear, and torsional stresses and strains in beams.
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Watch
- Understanding Shear Force and Bending Moment Diagrams: Learn how to determine and plot shear force and bending moment diagrams through animations and examples.
- Understanding Stress Transformations and Mohr's Circle: Explore stress transformation equations and Mohr's circle through engaging animations and practical examples.
- Understanding Stresses in Beams: Understand the stresses that develop in beams due to axial, bending, and shear loads, explained through animations.
- Understanding Torsion: See animations illustrating the stresses that develop in round bars under torsional loads.
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Download
- Identification of Critical Element(s) Worksheet (Adapted from Dr. Beth Hess): Follow step-by-step instructions to locate and calculate the maximum stress in any machine component.
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Practice
- Problems 3-80 and 3-91 from Shigley's Mechanical Engineering Design, and then review the solutions posted.
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Complete
- Lecture 2 Quiz: due Tuesday, January 14 at 11:59 PM.