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Session 1368

Online experimentation for study of stress and deformation in structural beams

Alamgir Choudhury, Jorge Rodriguez, Mitch Keil, Sam Ramrattan and Pavel Ikonomov

Department of Industrial and Manufacturing Engineering

Western Michigan University

Abstract

Analysis of stress and deformation of beam elements are utilized in a wide range of curriculum. In most engineering and engineering technology programs, analytical methods are often augmented with computer applications and laboratory experiments. In the lecture only classes, theoretical learning can be complemented by online experimentation in a remote laboratory. The laboratory consists of a hydraulically actuated beam loading mechanism, sensors, data acquisition system, and web based application programs for the data monitoring and control. Using this system, one can quickly create an experimental setup in a remote laboratory for a theoretical problem, apply the load, and monitor resulting deformation and stress. Close agreement between the analytical and the experimental results establishes the validity of the theoretical analysis without the use of a formal laboratory class. Among the students of the class, it also creates awareness on limitations of the theoretical methods predicting behavior of structural members in reality.

1. Introduction

Stress and deformation analysis [1,2] is taught in undergraduate level mechanical design courses in both engineering and engineering technology programs. The goal is to enable students to investigate different stress and deformation scenarios in design problems. They are expected to be familiar with the theory, formulation of problems, and use of efficient techniques for solution of the problems. The effectiveness of this learning depends on the depth of subject matter covered and the method of instruction. In the engineering technology programs, the emphasis is on mastering the routine techniques for the solution of a problem. After learning the theoretical foundations, students use both analytical and computer assisted solution methods for this purpose. They are also introduced to commercial computer assisted tools or customized packages for the

Proceedings of the 2005 American Society for Engineering Education Annual Conference and Exposition Copyright © 2005, American Society for Engineering Education

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Keil, M., & Ikonomov, P., & Ramrattan, S., & Rodriguez, J., & Choudhury, A. (2005, June), Online Experimentation For Study Of Stress And Deformation In Structural Beams Paper presented at 2005 Annual Conference, Portland, Oregon. 10.18260/1-2--15000