The main employment positions of students in vocational colleges are technical operation positions in enterprise production lines. In addition to theoretical knowledge, the cultivation of students' ability to identify problems, ask questions and analyze problems is important for their future work. In this paper, we use finite element modeling and simulation technology to solve students' doubts about mechanics experiments. In the process of solving the confusion, the research team involved the students in the whole process of modeling and simulation in the form of task assignment and seminar. The results of the teaching practice showed that: (1) the finite element modeling and simulation can obtain the Mises stress nephograms that can clearly show the stress and deformation of the specimen, which solved the students' doubts; (2) students have a deeper understanding of mechanical experiments by completing the task of structural dimensioning before modeling; (3) the students' data processing skills and text expression skills were exercised by completing the task of data analysis after the simulation. The use of finite element simulation technology to solve students' learning problems is an important innovation in vocational education teaching methods.
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