ENGR 2020 Fall 2018: Statics and Mechanics of Solids Schedule All readings come from the 2nd edition of Beer, et al. textbook. Date Lec. Topic Readings Videos # before 8/24 1 8/27 2 8/29 3 8/31 9/3 9/5 4 9/7 9/10 6 7 9/12 9/14 8 9 9/17 10 9/19 11 9/21 12 9/24 9/25 9/26 13 14 Stress concentration questions; Yielding and failure in 1D 9/28 15 1D thermal expansion; Statically indeterminate axial system 5 Introduction; Forces; Moments Free Body Diagrams (FBD); equilibrium 2.1, 2.2, 2.4, 3.1 2.3, 2.5, 3.1A, 4.14.3 Centroid questions; 3.3, 5.1, Centroids Couples; distributed loads 5.2A, 5.3, 5.4 ACTIVITY: FBD Labor Day Internal forces and moments Trusses: method of joints 6.1, 6.2 Truss review; Frames Method of Sections Frames 6.3 Machines and 6.4 mechanisms ACTIVITY: mechanisms Concept of stress: normal and shear Concept of strain: normal and shear; Axial loading and deformation Prelim review/catchup Online homework Example Homework Discussion videos due labs Yes (3) Skills assessment Yes (3) Centroids Yes HW1 FM balance prep Q’s FM balance Yes Yes Frames HW2 Yes HW3 8.1 9.1 Prelim 1 9.9, 8.4 9.2, 9.3 HW4 Stress concentrations (1 and 2) Stress Concentrations Superposition Superposition Uniaxial tension 10/1 16 10/3 17 10/5 10/8 10/10 10/12 10/15 18 10/17 10/19 22 23 10/22 24 10//24 10/26 10/29 10/31 25 26 27 28 11/2 29 11/5 11/6 11/7 30 11/9 32 ACTIVITY: Composite beam design Shear stress in beams 11/12 33 Shear stress in beams 11/14 34 Deformation of beams 15.1 11/16 11/19 35 36 15.2 15.3 11/21 11/23 11/26 11/28 11/30 12/3 37 38 39 40 Beam deflection Superposition of beam deflection Thanksgiving Break Thanksgiving Break Buckling Buckling ACTIVITY: Femur Course wrap-up 19 20 21 Superposition questions; ACTIVITY: Thermal expansion (bridge) Multiaxial state of stress Multiaxial Fall Break ACTIVITY: multiaxial Pressure vessels ACTIVITY: Pressure vessels Torsion Torsion Statically indeterminate torsion Pure bending Moment of inertia Composite beams Shear and bending moment diagrams VM diagrams; Normal stress in beams Prelim review 9.4-9.7 Spring in parallel /series prep Q’s Springs in parallel/series HW5 HW6 10.1-10.2 Yes Torsion sign convention 10.3 HW7 Torsion 11.1-11.2 7.1A-B, 7.2 11.3 12.1-12.2 HW8 Yes Yes 12.3 HW9 Prelim 2 31 13 Shear in Ibeams (1 and 2) Further shear stress notes HW10 Beam deflection prep Q’s Beam deflection HW11 Yes 16.1 Buckling HW12