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Teaching & Learning Aids



Stress-Opticon

The Stress-Opticon is a unique, textbook size instrument which can be used to demonstrate the fundamental principles of stress analysis, mechanics of materials and the general nature of stress distribution in various structural shapes. Its five movable loading screws allow an infinite variety of loading modes - e.g., cantilever bending, column, statically indeterminate beam, and eccentrically loaded column to be studied on a single prismatic model.

Each of the eight models available for the Stress-Opticon is a separate structural shape which can be easily correlated to standard textbook examples.

The Stress-Opticon is effective in room lighting, requiring no special light source. For lecture purposes, it can be used with an overhead projector for particularly dramatic presentations. In addition, it is lightweight, yet rugged enough to be passed from student to student during laboratory courses.

The Stress-Opticon is 9 in (229 mm) long, 6 in (150 mm) high and 1-1 /2 in (38 mm) deep. The device comes complete with a detailed instruction manual and structural Model No. M-241.

Each Stress-Opticon model is a specific structural shape which can be subjected to a variety of different loading arrangements. The models are machined from Type PSM-1 Plastic, a durable, non-brittle photoelastic material that is high in photoelastic sensitivity and free from time-edge effects.