Engineering Models for Everyday Things

像回形针、铅笔和铝罐这样的日常用品都被拿走了 当然，但它们的设计和生产提出了巨大挑战， 工程师在工作公差，质量控制和经济性方面， 制造，更不用说美学和人体工程学。因此，这些简单 工件提供了理想的案例研究， 各种工程概念，原则和问题，在已经熟悉的 和易于访问的真实世界环境。在这个项目中， 像回形针这样的简单物体的分析和计算机模型， 开发，与桌面实验结合，向学生介绍 设计、分析和开发的方法和局限性 工程.最简单的模型对一年级学生来说是可以使用的， 将必然涉及足够的限制性假设和简化， 使它们也适合于改进，扩展和进一步使用， 随后的课程。分析和计算机模型，以及 使用实际回形针的补充桌面实验， 在项目范围允许的范围内，其他制造对象将 适合介绍和指导个人和团体设计练习 专注于重新设计和改进所探索的工件。此外 开发和使用模型进行设计和重新设计，该项目 也将开发更大的上下文来呈现设计问题， 学生将接触到产品实现的其他方面， 包括市场和销售方面的考虑。这样，分析 工程学的各个方面不会在真空中呈现。最后 在这个项目中开发的教学资源将以文章的形式呈现 以便在工程课程中广泛传播和使用。

Everyday objects like paper clips, pencils, and aluminum cans are taken for granted, yet their design and production present tremendous challenges to engineers in terms of working tolerances, quality control, and economy of manufacture, not to mention aesthetics and ergonomics. Thus, these simple artifacts provide ideal case studies for introducing students to a wide variety of engineering concepts, principles, and problems in already familiar and readily accessible real-world contexts. In this project, a variety of analytical and computer models of simple objects like paper clips will be developed, in conjunction with desk-top experiments, to introduce students to the methods and limitations of design, analysis, and development in engineering. The simplest models will be accessible to firstyear students, yet will necessarily involve enough restrictive assumptions and simplifications to make them suitable also for refinement, extension, and further use in subsequent courses. The analytical and computer models, as well as the complementary desk-top experiments employing actual paper clips and, to the extent permitted by the scope of the project, other manufactured objects, will be suitable to introduce and guide individual and group design exercises focused on the redesign and improvement of the artifacts explored. In addition to the development and use of models for design and redesign, this project will also develop larger contexts into which to present the design problem, so that students will be exposed to other aspects of product realization, including marketing and sales considerations. In this way, the analytical aspects of engineering will not be presented in a vacuum. Finally, the pedagogical resources developed in this project will be presented in articles for wide dissemination and use throuqhout the enqineerinq curriculum.