Seeing Structures

Mechanics of Materials

An Online Learning Platform

Welcome to the wonderful world of Mechanics of Materials! Building on the foundation you gained in Statics, we’ll study the effects of internal forces and moments on engineering materials. For example, pulling on a bar of steel with 1N of force results in a markedly different result than applying the same force to a common rubber band. We’ll examine how structures deform, rotate, and translate under applied loads, compute internal stresses and strains, and characterize the magnitude and sense of the deformation. The importance of safety factors and their application in the Allowable Stress Design philosophy leads to an enhanced awareness of the professional and ethical responsibilities that are inherent to engineering practice.

Preliminaries (LE00)

LE00 Effective Communication

I. The Fundamentals of Solid Mechanics (LE01-LE05)

LE01 Average Normal Stress

LE02 Average Normal Strain

LE03 Properties of Materials

LE04 Shear Stress and Strain

LE05 Poisson's Ratio & Hooke's Law (3D)

II. Axial Theory and Problem-Solving (LE06-LE10)

LE06 Axial Deformation

LE07 Thermal Effects

LE08 Pressure Vessels

LE09 Indeterminate Axial I

LE10 Indeterminate Axial II

III. Beam Theory and Problem-Solving (LE11-LE21)

LE11 Shear and Moment Diagrams I

LE12 Shear and Moment Diagrams II

LE13 Centroid and Moment of Inertia

LE14 Beam Stresses I

LE15 Beam Stresses II

LE16 Beam Stresses III

LE17 Beam Stresses IV

LE18 Beam Deflection I

LE19 Beam Deflection II

LE20 Beam Deflection III

LE21 Beam Deflection IV

IV. Torsion Theory and Problem-Solving (LE22-LE24)

LE23 Torsion II

LE24 Torsion III

V. Column Theory and Problem-Solving (LE25-LE27)

LE26 Columns II

LE27 Columns III

VI. Allowable Stress Design and Connections (LE28-LE30)

LE28 Allowable Stress Design I

LE29 Allowable Stress Design II

LE30 Allowable Stress Design III

VII. Combined Loads / Combined Stresses (LE31-LE33)

LE31 Combined Loads I

LE32 Combined Loads II

LE33 Combined Loads III

VIII. Stress Transformation (LE34-LE36)

LE34 Stress Transformation I

LE35 Stress Transformation II

LE36 Stress Transformation III

Bonus content: Failure Theories

Failure Theories

Interactive Visualizations

The Seeing Structures 3D Warehouse Repository contains interactive and animated visualizations for this course and more.

Video Tutorials

The Seeing Structures YouTube site contains video tutorials for tough topics and common misconceptions in this class.

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