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TEACHING UNDERGRADUATE NUMERICAL METHODS THROUGH A PRACTICAL MULTIBODY DYNAMICS PROJECT

机译:通过实用的多体动力学项目讲授本科数值方法

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摘要

Among the many different approaches to teach engineering subjects, the project-based methodology turns out to be one of the most effective ones. In the field of undergraduate numerical methods, it can overcome some of its inherent difficulties. This paper considers a particular context: a general 90-hour numerical methods subject in an Industrial-Mechanical Engineering degree. The methods are applied to mechanical engineering problems such as matrix structural analysis, finite element method, multibody systems (MBS), harmonic analysis, or optimization. The article suggests how an appropriate formulation and a practical MATLAB™-based project make up a good approach for a short-time practical training on multibody dynamics (MBD) within that subject. The keys to the theoretical lessons and an example of the project are explained thoroughly. The mechanical project has to be rich in numerical methods. MBD and the finite element method fulfill this requirement. The former is chosen in this article. The students know the basics, but they have to learn everything about MBD in very little time. This experience can be useful in other educational contexts. After explaining the approach, some sample assignment exercises are described, as well as a possible way to assess the work of the students. The result of this approach is a reasonable achievement-time tradeoff shown in the solid skills acquired by the students and proven by the experience of the last few years.
机译:在教授工程学科的许多不同方法中,基于项目的方法被证明是最有效的方法之一。在本科数值方法领域,它可以克服一些固有的困难。本文考虑了一个特定的情况:工业机械工程学位中的一般90小时数值方法主题。这些方法适用于机械工程问题,例如矩阵结构分析,有限元方法,多体系统(MBS),谐波分析或优化。本文提出了合适的配方和基于MATLAB™的实际项目如何​​构成该主题中短期多体动力学(MBD)短期实践培训的好方法。理论课的关键和该项目的一个例子将得到详尽的解释。机械项目必须具有丰富的数值方法。 MBD和有限元方法可以满足此要求。本文选择前者。学生们了解基础知识,但是他们必须在很短的时间内学习完MBD的所有知识。这种经验在其他教育环境中可能会很有用。在解释了该方法之后,将描述一些样本分配练习,以及评估学生工作的一种可能方式。这种方法的结果是合理的成就时间权衡,体现在学生获得的扎实技能上,并由最近几年的经验证明。

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