MECH 2040 Solid Mechanics I Tutorial 1 - Stress and Strain

***Please seek for instructors' help if you still feel confused*** Table of Contents: 00:01:14 1.1 Direct Stress and Strain 00:03:24 - 1.1.1 Direct Stress, Strain and Deformation of Uniform (Prismatic) Bars 00:13:23 - 1.1.2 Direct Stress, Strain and Deformation of Non-uniform (Prismatic) Bars 00:19:29 --- Example 1.1 00:23:20 --- Example 1.2 00:28:02 1.2 Shear Stress and Strain 00:32:02 1.3 Examples of Shear and Strain 00:35:47 --- Video Reference: https://youtu.be/Y770ds3xSxA 00:37:39 --- Example 1.3 00:44:45 1.4 Poisson's Ratio 00:46:40 1.5 Sign Convention of Shear Stresses CORRECTION: Negative z-axis is the outward normal of negative z-plane 00:54:57 1.6 Stress-Strain Diagram of Materials --- Video Reference: https://youtu.be/D8U4G5kcpcM 01:03:35 Summary of Tutorial 1 The handouts of this video tutorial can be found at: https://drive.google.com/open?id=0B5IK1cbO8cRIUWhzWWp4Tjd1Szg Video Speaker: Globas Sen WU Video Editor: Ryan PUN The video is discussing the concepts of direct and shear forces/stresses, axial and shear strains, Poisson's Ratio of linearly elastic materials, sign convention of shear stresses and stress-strain diagram of materials. This video is intended for the beginners of solid mechanics. Recommended for HKUST MECH 2040 students in their first week of study. The video is one of the series of videos of UEI project. All videos are spoken by students from MAE department of HKUST.