Salt Lake City, Utah
June 23, 2018
June 23, 2018
July 27, 2018
Most if not all of the Mechanics of Materials texts have a section on Stress Concentrations. This increase in stress in an axial, torsional, or flexural member arise from a change in the cross-sectional area such as fillets, notches, holes, etc. Many lessons on stress concentrations are limited to a few pictures from the text and an explanation of how to use the stress concentration figures to determine the stress concentration factor.
This paper will present the physical model used during a lesson on stress concentrations. The author will present the lesson and the use of the physical model. The physical model allows each student to demonstrate to themselves the importance of the change in shape and the placement of holes and notches. Assessment of exam and homework data will highlight the value of simple hands on activities within as many classes as possible. Each person in the session will participate in the use of this physical model.
Welch, R. W. (2018, June), Board 52: Playing Relieves Stress…Concentrations! Paper presented at 2018 ASEE Annual Conference & Exposition , Salt Lake City, Utah. https://peer.asee.org/30053
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