ENGR& 225 Mechanics of Materials (5 credits)
Distribution Area Fulfilled General Transfer Elective
Formerly ENGR 240 - CCN
Prerequisite ENGR& 214 and PHYS& 221 with at least a 1.5 grade in each of these classes
Course Description
Introduction to the principles of Mechanics of Materials. Analysis of stress, strain, and deformation in solid materials. Development of the relationships between load, stress, and deformation in columns, shafts, and beams. Analysis and design of members under tension, compression, shear, torsion, and bending.
Course Content
A. Review of free body diagrams and equilibrium analysis
B. Simple axial and direct shear stress analysis and allowable stress design
C. Axial strain analysis
D. Mechanical properties and stress-strain analysis
E. Axial load, thermal load, and stress concentrations
F. Torsional stress and deformation
G. Bending shear and moment diagrams
H. Bending stress and flexure
I. Beam design
J. Transverse shear stress and shear flow
K. Stress-strain transformations
Student Outcomes
Equilibrium Analysis (A)
1. Draw complete free-body diagrams for two and three dimensional structures
2. Use equilibrium methods to analyze two and three dimensional structures
3. Find internal forces and moments in structural members
Axial and Shear Stress Analysis (B,C,D,E)
4. Determine simple axial and direct shear stress in members
5. Determine axial and shear strain in members
6. Select appropriate material properties for analysis
7. Determine the deformation of axially loaded members
8. Calculate support reactions for statically indeterminate members.
9. Calculate thermal stress and determine concentration factors in members
Torsional Stress Analysis (F)
10. Determine torsional stress and angle of twist in round shafts
Bending Analysis (G,H,I)
11. Develop load, shear, bending moment diagrams using equilibrium analysis, and graphical methods
12. Calculate bending stress using the flexure formula
13. Design simple beams for strength, stiffness, and stability
Transverse Shear Analysis (J,K)
14. Calculate transverse shear and shear flow in beams
15. Calculate stress-strain transformations for principal stresses and strains using Mohr’s circle General Outcomes
16. Use computer software for analysis
17. Formulate reasonable and productive methods to solve problems
18. Work as a productive member of a group
19. Participate actively and responsibly in all course activities
Degree Outcomes
Critical, Creative, and Reflective Thinking: Graduates will evaluate, analyze, synthesize, and generate ideas; construct informed, meaningful, and justifiable conclusions; and process feelings, beliefs, biases, strengths, and weaknesses as they relate to their thinking, decisions, and creations.
Lecture Contact Hours 50
Lab Contact Hours 0
Clinical Contact Hours 0
Total Contact Hours 50
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