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Musical strings and sound board materials-new exercises for materials engineering

机译:音乐弦和音板材料-材料工程的新练习

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Two years ago, students in introduction to materials engineering began studying basic subject areas within the course in the broad context of musical instrument design. Results from the initial assessment data show that the students enjoy the course more and score higher, as a group, on certain examination questions. For example, a classic set of problems involves calculating stress, strain, yield, and the elastic constant given load and elongation data. The new way to introduce these same concepts is to use the tuning and design process for a stringed instrument. While many students are unaware that objects strain under load, they do know that musical strings change pitch as the load is changed during tuning. Once the students understand the underlying concepts based on idealized musical strings, they more easily transition to classical problems. This paper describes the new exercises and design problems that were developed; it also gives the data needed to develop many additional exercises. Lectures and data sets will be available on a CD. The paper concludes with the initial assessment data and goals for changes in the course.
机译:两年前,材料工程概论的学生开始在乐器设计的广泛背景下学习本课程中的基础学科领域。初步评估数据的结果表明,在某些考试问题上,学生更喜欢该课程,并且整体得分更高。例如,一组经典的问题涉及计算应力,应变,屈服以及给定载荷和伸长率数据的弹性常数。引入这些相同概念的新方法是对弦乐器使用调音和设计过程。尽管许多学生并不知道物体会在负载下过紧,但他们确实知道,随着调音过程中负载的变化,音乐弦会改变音高。一旦学生了解了基于理想音乐弦的基本概念,他们将更容易过渡到古典问题。本文介绍了新的练习和已开发的设计问题。它还提供了进行许多其他练习所需的数据。讲座和数据集将在CD上提供。本文以初步评估数据和课程变更目标作为结束。

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