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FE Review: Mechanics of Materials

D. Nims, P.E.

March 2, 2005

College of Engineering

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Two Purposes

• Help experts recall their skills. Civils, CET, and Mechanicals have taken at least three courses in this area. It should be a strength. Target should be 90%+.

• Help novices pick the low fruit. BIOE, CHEE, EE, ET, and CS may not have taken the course. Target should be 60%+.

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Axial Stress-Strain Relationship

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ThinWalled

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Failure Theories

))(),(),((absmax2

S

DuctileStressShearMax

SorS

BrittleStressNormalMax

322131max

Ymax

c3t1

321

Energy of Distortion - Ductile

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Bending – Sign Convention

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Bending Stress Distribution

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Bending Deflection

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Relationship Between V and M

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Transverse Shear

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