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Research Papers

A Framework for Visualization-Driven Eco-Conscious Design Exploration

[+] Author and Article Information
Devarajan Ramanujan

School of Mechanical Engineering,
Purdue University,
West Lafayette, IN 47907
e-mail: dev@purdue.edu

William Z. Bernstein, William Benjamin

School of Mechanical Engineering,
Purdue University,
West Lafayette, IN 47907

Karthik Ramani

School of Mechanical Engineering,
Purdue University,
West Lafayette, IN 47907;
School of Electrical and Computer Engineering,
Purdue University,
West Lafayette, IN 47907
e-mail: ramani@purdue.edu

Niklas Elmqvist

College of Information Studies,
University of Maryland,
College Park,
College Park, MD 20742

Devadatta Kulkarni, Jeffrey Tew

Cincinnati Innovation Lab,
Tata Consultancy Services,
Milford, OH 45150

1Corresponding author.

Contributed by the Computers and Information Division of ASME for publication in the JOURNAL OF COMPUTING AND INFORMATION SCIENCE IN ENGINEERING. Manuscript received May 26, 2015; final manuscript received July 7, 2015; published online November 4, 2015. Editor: Bahram Ravani.

J. Comput. Inf. Sci. Eng 15(4), 041010 (Nov 04, 2015) (9 pages) Paper No: JCISE-15-1181; doi: 10.1115/1.4031592 History: Received May 26, 2015; Revised July 07, 2015

A large portion of design activity involves applying previous design knowledge in order to solve new problems. Therefore, facilitating eco-conscious exploration of archived designs is needed for advancing sustainable product design. It is thus necessary to create integrated exploration tools that share common data representations for design and sustainability-related product metadata. This can allow designers to observe covariations in design data and develop engineering intuition with regards to environmental sustainability performance. In this work, we present a framework for relating sustainability and product metadata using taxonomy-based representations of lifecycle data. This facilitates simultaneous visualization of environmental indicators along with part similarities. To demonstrate this framework, we implement shapeSIFT, an interactive multidimensional visualization tool for eco-conscious design exploration. shapeSIFT uses a visual analytics-based approach to represent part metadata and environmental indicators. This facilitates query-based dynamic exploration of part repositories.

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Figures

Grahic Jump Location
Fig. 1

Overview of our framework for supporting sustainability-aware design exploration in 3D part repositories. Components within the pipeline along with their section numbers are shown in bold font.

Grahic Jump Location
Fig. 2

Data representation model for defining a “part class” in our framework. Here, the arrows represent an aggregation relationship. Metadata contained in the class are either specified as input data during instantiation or subsequently derived from input data. Minimum input data that need to be specified include: (1) the part geometry in the form of a 3D model, (2) the part material, (3) an ordered list of manufacturing processes, (4) part functions, and (5) identifiers for indexing and query.

Grahic Jump Location
Fig. 3

Pipeline for estimating the environmental impact indicator from a three-dimensional, mesh-based representation of the part and corresponding input metadata. Gray squares represent reference taxonomies and databases used for standardizing data description.

Grahic Jump Location
Fig. 5

A screen capture of the modified shapeSIFT interface. It consists of a squarified (tiled) layout window that displays query results (a). A control panel (b1) is used for setting similarity thresholds for material, manufacturing, function, and shape similarities. A text query box is also provided for users to query part metadata. A label (b2) is used to display metadata information and a picture of a particular part that is selected from the squarified layout. The similarity polygon (c) allows the user to obtain an understanding of the similarity attributes. The sketch window (d) contains a canvas and related controls for creating/modifying the sketch, uploading an image, and querying the repository. The object viewer window (e) displays a 3D model of a selected part. A brief demonstration of the interface is available in a video under the “Supplemental Data” tab for this paper on the ASME Digital Collection.

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