Journal of Engineering Design. Jan-Mar2016, Vol. 27 Issue 1-3, p118-145. 28p. 7 Color Photographs, 4 Black and White Photographs, 5 Charts, 1 Graph.
ENGINEERING design, PRODUCT design, INDUSTRIAL design, GESTURE, and VIDEO coding
There is an on-going focus exploring the use of gesture in design situations; however, there are still significant questions as to how this is related to the understanding and communication of design concepts. This work explores the use of gesture through observing and video-coding four teams of engineering graduates during an ideation session. This was used to detail the relationship between the function behaviour structure elements and individual gestures as well as to identify archetypal gesture sequences – compound reflective, compound directed one-way, mirroring, and modification. Gesture sequences occurred at critical periods during the design session, such as idea evolution and developing shared understanding. They are used to act out design concepts, repeat and learn from sequences, and establish shared understanding. Finally, a number of implications are identified for both researchers and those seeking to support practice. [ABSTRACT FROM PUBLISHER]
RAPID prototyping, PRODUCT design, THREE-dimensional printing, DESIGN education, and DESIGN research
Design for Additive Manufacturing (DfAM) is a growing field of enquiry. Over the past few years, the scientific community has begun to explore this topic to provide a basis for supporting professional design practice. However, current knowledge is still largely fragmented, difficult to access and inconsistent in language and presentation. This paper seeks to collate and organise this dispersed but growing body of knowledge, using a single and coherent conceptual framework. The framework is based on a generic design process model and consists of five parts: Conceptual design, Embodiment design, Detail design and Process planning and Process selection. 81 articles on DfAM are mapped onto the framework to provide, for the first time, a clear summary of the state of the art across the whole design process. Nine directions for the future of DfAM research are then proposed. [ABSTRACT FROM AUTHOR]
Sivanathan, Aparajithan, Ritchie, James M, and Lim, Theodore
Journal of Engineering Design. Oct-Dec2017, Vol. 28 Issue 10-12, p681-708. 28p. 7 Color Photographs, 6 Diagrams, 4 Charts, 1 Graph.
INDUSTRIAL engineering, ENGINEERING design, PRODUCT design, KNOWLEDGE management, and NEW product development
Cradle to grave product support has been a key issue in the engineering sector over many years, particularly because product engineering legacy knowledge is often lost during the product development process unless rigorously captured in some way. This is particularly the case during formal design reviews at any point during a product's lifecycle where engineering changes are not fully documented or where salient but important aspects of decision making are difficult to document explicitly. Though many software systems are available to support design reviews, they have not necessarily met the expectations of industry. Consequently, traditional knowledge capture methods tend to be time-consuming, costly and disruptive leading to many companies simply giving up on this crucial aspect of product development. This paper presents research carried out with regard to prototyping and testing a potential knowledge engineering capture and reuse solution, demonstrating real-time user-logging using virtual design environments focused on team-based design ‘reviews’. Called the Virtual Aided Design Engineering Review (VADER) system, it provides millisecond precision time-phased knowledge capture in an automatic and unobtrusive manner. Both structured and unstructured data are synthesised via a ubiquitous integration and temporal synchronisation (UbiITS) framework that enables interactive information mapping, retrieval and mining. VADER's frontend includes a virtual reality based 3D model view display as a multiuser collaborative interface and an auxiliary web interface for concurrent access by multiple distributed users during product design discussions. Feedback from engineers using the system demonstrated that this concept is one which believe would substantially enhance their engineering task knowledge capture, rapid retrieval and reuse capability. It was also surmised that, if required, such a system can be extended throughout the whole product development process capturing individual and team-based engineers’ inputs across the whole cradle-to-grave product life cycle. Also, due to its generic nature, this approach is not limited only to engineering applications or virtual environments but can potentially be used in other sectors using computer-based technologies of any kind. [ABSTRACT FROM PUBLISHER]
NEW product development, PRODUCT design, PRODUCT management, INDUSTRIAL design, CONSUMER goods, PRODUCT quality, and QUALITY control
The identification and implementation of customer requirements in the early stages of product development are significant issues for successful product development. Two important factors in this context are: (i) the use of methods to identify customer requirements, and (ii) the use of product representations to support the communication with customers in early product evaluations. The aim of this study has been to investigate the use and perceptions of methods and product representations in Swedish companies, and its possible impact on problems associated with late-discovered customer requirements. The survey shows that most companies have good knowledge of different methods and that several different methods for identifying and analysing customer requirements are used. In addition, traditional product representations, such as construction design drawings and hand-made sketches, are commonly used. The number of companies that use rapid prototyping is surprisingly high. Furthermore, the study reveals that late discovered product requirements are fairly common. There are indications that the use of certain methods and product representations may reduce this problem. However, the study also shows that product development processes tend to be focused on time-related efficiency rather than customer-related activities for improved product quality. [ABSTRACT FROM AUTHOR]
PRODUCT design, ENGINEERING, PRODUCT management, NEW product development, and RAPID prototyping
Most designs are modifications from previous products and lessons learned from earlier designs can be beneficial when developing new products. This paper introduces a support tool for the conceptual design phase, which is based on connectivity models of past designs and allows designers to assess the risk of change spreading between components and facilitates a visual analysis of these change models. Based on the example of a new generation of diesel engine design, this paper shows how the ability to predict change propagation can guide designers through conceptual design allowing them to analyse design alternatives and foresee potential problems arising from the product architecture. [ABSTRACT FROM AUTHOR]