Finite Element Simulation of Torsion Experiment and Teaching Practice in Higher Vocational Colleges

Abstract

The problem of poor teaching effect of torsion experiment in Engineering Mechanics course in higher vocational colleges has existed for a long time. In order to solve it, the research group put forward a method of using finite element modeling and simulation calculation to obtain materials such as pictures, animation and etc., so as to improve teaching quality. Hence a 3D finite element model for torsion experiment was established and conducted calculations on a computer. The calculated Mises stress nephogram and demonstration animation were used as course materials in the classroom of Engineering Mechanics. The teaching practice shows that the application of these materials improves teaching quality, and enhances students’ learning interest. The model simulation obtained clear demonstration animations, which can repeatedly show the process of axial deformation and stress distribution under external load. In addition, the model simulation and demonstration were done on a computer, which not only has no danger, but also saves the experimental cost. It is a more efficient teaching mode to combine finite element simulation with torsion experiment. The research idea of this paper should be applied in more courses of vocational education.