文档介绍：An Approach to Develop and Measure Engineering Visualization in an Introductory Mechanics Course puter-Aided Learning Modules
Hodge Jenkins
Department of Mechanical and Industrial Engineering
Mercer University School of Engineering
Joan Burtner
Department of Mechanical and Industrial Engineering
Mercer University School of Engineering
Abstract
Sophomore engineering students have little preparation for visualization of three-dimensional concepts such as stress and deformation. In an attempt to address this puter-aided learning modules mercial engineering software were designed to improve sophomore students’ visualization and conceptualization skills in an introductory mechanics course. This manuscript provides details of the instructional approach of each module and an evaluation of student performance on conceptual quizzes, homework and exams before and after module implementation. The study of the module effectiveness was based on measured efforts of students enrolled in two sections of an introductory mechanics course (EGR 232, Statics/Solid Mechanics). Both sections of the course were taught by the same professor. One section received instruction using puter-aided engineering multimedia modules; the other section had only one module. Three conceptual quizzes were specifically designed to measure module ess for all students. Results indicated that participation in puter-aided engineering modules had a significant effect on several aspects of course performance. Potential revisions to the course in light of these and other results are discussed.
Keywords: mechanics of materials, statics, visualization, computer-aided engineering.
Introduction
There should be no doubt to engineering educators that many sophomore and freshman students lack the necessary visualization skills to perform at their best in the introductory courses of most engineering curricula. The difficulty for engineering faculty appears to be how to introduce and develop visualization skil