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The ASEE 2020 Virtual Annual Conference content is available.
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2020 ASEE Virtual Annual Conference Content Access

Representations Between Engineering Design and Engineering Analysis

Presented at Design Methodologies 1

This research aims to characterize the overlap as well as distinctness between engineering design thinking, on the one hand, and engineering model-based reasoning, on the other hand. The 1990s witnessed the rise of a transformative wave to the engineering curricula, where the “engineering science” model became dominant in engineering curricula. In this model, the focus in the first two years of the curriculum is placed on the “engineering sciences,” or, alternatively, “analysis,” with the expectation that students would apply the learned scientific principles to solve technical problems. However, a segregation problem between “design” and “analysis” started to emerge. The problem was caused not only by lack of appreciation for the complexities associated with design teaching and learning, but also by lack of students’ fluency to apply their learned mathematical modeling skills in complex, open-ended design problems. In this paper, we develop a “representations framework” to study the relationship between engineering design thinking and engineering model-based reasoning. It is the focus of this study to understand the role of multiple representations in problem solving, in order to characterize the overlaps and the distinctiveness in the use of the term “representation” in the contexts of mathematical modeling and design processes. Engineering design is a systematic, intelligent process that aims to solve ambiguous problems. Design pedagogy is enhanced through project-based learning (PBL), where students engage in real-life projects that motivate learning by doing. The original PBL pedagogy featured two unique themes: (1) design-oriented projects which focused on the know-how of synthesizing knowledge from different disciplines, and (2) problem-oriented projects which focused on the know why of solving theoretical problems through relevant knowledge. These two themes point to early attention in the design pedagogy to the relationship between design and analysis. Modeling efforts attempt to translate natural phenomenon or real-world problems into representation systems, including mathematical and computational models. In educational settings, the process of is called model-eliciting activity. The process aims to train students in the “process” of creating models while practicing model-based reasoning. In the majority of current engineering education curricula, a major emphasis is placed on the traditional view where prerequisite ideas are taught in decontextualized situations. While students in their courses interact with models in varying contexts, teaching focuses on algorithmic steps to find a solution. Although there are studies that indicated the importance of mathematical modeling as one representation in design; others focused on visual synthesis in representation; and others studied language as representation of knowing, studies are lacking on integrating the different levels of representation. In this paper, we develop a framework to understand how representation is described, taught and learned in analysis-focused classes and in design-focused classes.

Authors
  1. Hadi Ali Arizona State University, Polytechnic campus [biography]

    Hadi Ali is a doctoral student in Engineering Education Systems and Design at Arizona State University.

  2. Dr. Ann F. McKenna Arizona State University [biography]

    Ann F. McKenna is the Vice Dean of Strategic Advancement for the Ira A. Fulton Schools of Engineering at Arizona State University, and is a professor of engineering in the Polytechnic School, one of the six Fulton Schools. Prior to joining ASU she served as a program director at the National Science Foundation in the Division of Undergraduate Education, and was the director of education improvement in the McCormick School of Engineering at Northwestern University. Dr. McKenna received her B.S. and M.S. degrees in Mechanical Engineering from Drexel University and Ph.D. from the University of California at Berkeley.

Note

The full paper will be available to logged in and registered conference attendees once the conference starts on June 22, 2020, and to all visitors after the conference ends on June 26, 2021

Are you a researcher? Would you like to cite this paper? Visit the ASEE document repository at peer.asee.org for more tools and easy citations.

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