Cumincad : CUMINCAD Papers : Search Results

CumInCAD is a Cumulative Index about publications in Computer Aided Architectural Design
supported by the sibling associations ACADIA, CAADRIA, eCAADe, SIGraDi, ASCAAD and CAAD futures

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_id	caadria2013_049
id	caadria2013_049
authors	Lee, Ju Hyun; Ning Gu and Anthony P. Williams
year	2013
title	Exploring Design Strategy in Parametric Design to Support Creativity
doi	https://doi.org/10.52842/conf.caadria.2013.489
source	Open Systems: Proceedings of the 18th International Conference on Computer-Aided Architectural Design Research in Asia (CAADRIA 2013) / Singapore 15-18 May 2013, pp. 489-498
wos	WOS:000351496100048
summary	This paper deals with the generative and evolutionary aspects of parametric design. We aim to provide a better understanding of individual design strategies to support creativity in parametric design via protocol analysis. An in-depth analysis conceptualises subjects’ creative strategies into two models: problem-driven strategy and solution-driven strategy. The solution-driven strategy progress design in the solution space resulted in the highest value in the level of creativity. This is one of potential aspects of parametric design. Exploring design strategies in parametric design contributes to its effective use.
keywords	esign strategy, Parametric design, Creativity, Protocol analysis
series	CAADRIA
email
last changed	2022/06/07 07:51

_id	cf2013_038
id	cf2013_038
authors	Lee, Ju Hyun; Ning Gu, Michael J. Ostwald, and Julie Jupp
year	2013
title	Understanding Cognitive Activities in Parametric Design
source	Global Design and Local Materialization[Proceedings of the 15th International Conference on Computer Aided Architectural Design Futures / ISBN 978-3-642-38973-3] Shanghai, China, July 3-5, 2013, pp. 38-49.
summary	Parametric design offers a new paradigm in the field of ComputerAided Design; a paradigm focused on the potential for producing design variations. However, despite this potential, the cognitive activities associated with parametric design are not well understood. The authors of this paper present a formal method for capturing cognitive activities via protocol analysis. To support the interpretation of this method, this paper evaluates creativity implicit in design products by way of a consensual assessment technique. The findings identify two cognitive activities (‘making generation’ and ‘changing existing parameters’) as potential critical to divergent thinking and the restructuring of design components. These activities facilitate the generative aspects of parametric design. The paper concludes with a discussion of three cognitive levels (physical, perceptual and conceptual) that support an understanding of cognitive activities in parametric design.
keywords	Parametric design, CAD, Cognitive activity, Protocol analysis, Consensual assessment technique
series	CAAD Futures
email
last changed	2014/03/24 07:08

_id	ijac201412303
id	ijac201412303
authors	Lee, Ju-Hyun; Ning Gu, Anthony P. Williams
year	2014
title	Parametric design strategies for the generation of creative designs
source	International Journal of Architectural Computing vol. 12 - no. 3, 263-282
summary	As one of the emerging Computer-Aided Design (CAD) technologies for digital design and visualisation in the Architecture, Engineering and Construction (AEC) domain, parametric design potentially offers an innovative way of generating new design solutions. Despite this potential, design strategies associated with algorithmic scripting are not well understood. This paper provides a comprehensive understanding of individual design strategies supporting creative solutions in parametric design, using the combined application of protocol analysis and Consensual Assessment Technique (CAT). The article examines the generative and evolutionary aspects of parametric design that play an important role in the generation of creative designs. An in-depth analysis conceptualises designers' parametric design strategies into problem-forwarding strategy and solution-reflecting strategy. The solution-reflecting strategy focusing on the solution space of designing has potential to produce creative solutions by parametric design. A more in-depth understanding of parametric design strategies supports its effective adaptation to better serve the needs of digital design and visualisation in the AEC industry
series	journal
last changed	2019/05/24 09:55

_id	caadria2008_11_session2a_093
id	caadria2008_11_session2a_093
authors	Lee, Juhyun and Hyunsoo Lee
year	2008
title	A Sensor based context-aware inference algorithm for ubiquitous residential environments
doi	https://doi.org/10.52842/conf.caadria.2008.093
source	CAADRIA 2008 [Proceedings of the 13th International Conference on Computer Aided Architectural Design Research in Asia] Chiang Mai (Thailand) 9-12 April 2008, pp. 93-102
summary	As the development of a computer and the internet have changed social and economic activities related with the human life style. According to these changes, ubiquitous residential environments have been discussed. This paper presents ways of interpreting the situation in association with human interaction with residential environments. This paper deals with various operations of architectural components based on a sensor based context awareness. The methods adopted in this paper for suitable services corresponding to residents’ requirements are Pattern Driven Inference(PDI), Rule Driven Inference(RDI) and Case Driven Inference(CDI). In summary, this paper describes processes how services are provided. And Context based residential management is main research issue.
keywords	Context-Aware: Algorithm; Ubiquitous Residential Environments; Ubiquitous Computing; Case-based Reasoning
series	CAADRIA
email
last changed	2022/06/07 07:52

_id	0a45
authors	Lee, K.
year	1999
title	Principles of CAD/CAM/CAE Systems
source	New York: Addison-Wesley 1999
summary	An Introduction to CAD/CAM/CAE is a timely text with coverage of many modern topics, including: rapid prototyping, virtual engineering, NT-based solid modeling systems, and Web-related issues. This book provides balanced coverage of CAD/CAM (with slightly more emphasis on CAD topics) and bonus coverage of computer-aided engineering (CAE). This book's emphasis on the integration of three related disciplines-CAD, CAM, and CAE-makes it a great theoretical introduction to all subjects from geometric representation to the most sophisticated CAE subjects. Many illustrations and references ground the theory in practical examples. The book also features a unique illustration of the whole product development process through a practical case study that gives readers a clear idea how CAD, CAM, and CAE systems are integrated to accelerate the product development process. This book is carefully targeted toward today's students; topics are introduced in a concise, efficient manner, with mathematical terminology that is kept to a minimum. A background in programming, calculus, and matrix and vector algebra is helpful when using this text.
series	other
last changed	2003/04/23 15:14

_id	acadia03_041
id	acadia03_041
authors	Lee, Ming-Chun and Do, Ellen Yi-Luen
year	2003
title	SpaceMaker - Creating Space by Sketching It
doi	https://doi.org/10.52842/conf.acadia.2003.311
source	Connecting >> Crossroads of Digital Discourse [Proceedings of the 2003 Annual Conference of the Association for Computer Aided Design In Architecture / ISBN 1-880250-12-8] Indianapolis (Indiana) 24-27 October 2003, pp. 311-323
summary	Creating space is the essence of architectural design. Architects actually work with three-dimensional (3-D) space, although two-dimensional (2-D) drawings are perhaps the most commonly used design medium. It is thus valuable to help architects truly see 3-D space, while making drawings in 2-D. In addition, architects usually use symbols in their drawings to identify architectural concepts. By recognizing the symbols, it is possible to identify architectural configurations of the design. This paper introduces a symbol-based modeling tool—SpaceMaker—that allows architects to make freehand floor plans and apply symbols to identify different functional spaces. SpaceMaker then converts those floor plans into 3-D models according to the symbols.
series	ACADIA
email
last changed	2022/06/07 07:51

_id	4cd0
authors	Lee, Ming-Chun
year	2001
title	SpaceMaker: A Symbol-based Three-dimensional Computer Modeling Tool for Early Schematic Development of the Architectural Design
source	University of Washington, Design Machine Group
summary	Designing architecture is an action of creating space. Architects start designing by making twodimensional (2-D) drawings in order to explore alternatives of spatial arrangement. However, architects are actually working with three-dimensional (3-D) space. They see 3-D space in their mind’s eye when making sketches in 2-D. It is thus valuable to help designers truly see 3-D space during designing. In addition, different spaces may have different functions and configurations of architectural components. Architects usually use text labels in their drawings to identify architectural concepts. They identify the function of space and remind themselves of the proposed configuration of architectural elements when labeling each space with a symbol. By recognizing the text label, it is possible to identify the architectural configuration of the space. Therefore, it is possible to create a 3-D modeling tool based on the recognition of labels in freehand sketches. This thesis introduces a symbol-based 3-D modeling tool – the SpaceMaker – that allows designers to make freehand floor-plan drawings to explore the initial concept of spatial layout and allows users to apply labels to identify different types of space. Finally, the program converts those floor plans into 3-D models according to the labels. In the SpaceMaker, a designer predefines a label by assigning it four boundary elements that encircle a space. When the designer draws the label in the sketch floor plan, the SpaceMaker then recognizes the label and constructs the space based on the defined boundary condition in a VRML (Virtual Reality Modeling Language) format that enables the designer to view the 3-D space through a VRML enabled web browser.
series	thesis:MSc
email
more	http://dmg.caup.washington.edu/xmlSiteEngine/browsers/stylin/publications.html
last changed	2004/06/02 19:12

_id	2006_874
id	2006_874
authors	Lee, Ming-xian and Ji-Hyun Lee
year	2006
title	Form, Style and Function - A Constraint-Based Generative System for Apartment Façade Design
doi	https://doi.org/10.52842/conf.ecaade.2006.874
source	Communicating Space(s) [24th eCAADe Conference Proceedings / ISBN 0-9541183-5-9] Volos (Greece) 6-9 September 2006, pp. 874-883
summary	This paper describes the development of a constraint-based generative system (FSF system) to support the design of middle and high-rise apartment façades from architectural plans. Floor plan and façade designs are heavily interrelated, and, sometimes, the plan constrains the façade design during the design process. This relationship lends itself to apply constraint-based systems and we have designed the system to connect intelligently between apartment plan and façade. In our system, we define constraints into three categories: structural form, architectural style and function. We use genetic algorithm to generate plausible alternatives quickly and augmented by a constraint-based system, façades can be generated and modified much more easily in terms of real-time visual feedback for checking violence of the constraints and of dealing with updates smoothly through intelligent connecting plans to façades.
keywords	Generative system; Plan-to-façade; Constraint-based system; Intelligent CAD; Style description
series	eCAADe
email
last changed	2022/06/07 07:51

_id	61a0
authors	Lee, Philip, Wei, Susanna and Zhao, Jianmin (et al)
year	1990
title	Strength Guided Motion
source	Computer Graphics. ACM, August, 1990. vol. 24: pp. 253-262 : ill. includes bibliography
summary	A methodology and algorithm are presented that generate motion imitating the way humans complete a lifting task under various loading conditions. The path taken depends on 'natural' parameters: the figure geometry, the given load, the final destination, and especially, the strength model of the agent. Additional user controllable parameters of the motion are the comfort of the action and the perceived exertion of the agent. The algorithm uses this information to incrementally compute a motion path of the end-effector moving the load. It is therefore instantaneously adaptable to changing force, loading, and strength conditions. Various strategies are used to model human behavior that compute the driving torques as the situation changes. The algorithm runs in near-real time and offers an agent-dependent toolkit for fast path prediction. Example are presented for various tasks
keywords	algorithms, animation, computer graphics, modeling
series	CADline
last changed	2003/06/02 13:58

_id	ascaad2007_046
id	ascaad2007_046
authors	Lee, S. and K. de Bodt
year	2007
title	Plan_B: The architectonics of sonic information
source	Em‘body’ing Virtual Architecture: The Third International Conference of the Arab Society for Computer Aided Architectural Design (ASCAAD 2007), 28-30 November 2007, Alexandria, Egypt, pp. 587-594
summary	The paper addresses the influence of digital technology on architectural design and production, particularly considering the possibilities of sound for the design and conception of architecture based on the dynamic condition, which is present in the “everyday” and its permutations. The day-to-day condition is regarded as a highly dynamic flux of economic, social and political aspects and conceptually linked to sound and musical variation as guiding design principles, to actually retain and reflect the vitality of every day’s measure. We have traced precedents and cases in sound reproduction and its implications on the codification of architecture and have created a digital design tool in Max/MSP. The primary objective of the tool is to produce the corollary between sound reproduction and the conception and production of an architectonic codification, and ultimately to propose a strategy of architectural construct that has given way from the clarity of static geometry to the complexity in dynamic variability, that of dissonance. Virtual architecture and its techniques are considered to express and implement such permutations and induce a measure of change in every step and direction of the design process. The application of digital technology is regarded as the intervening of “apparatus” and to represent a different approach in relation to the prevailing regime.
series	ASCAAD
email
last changed	2008/01/21 22:00

_id	804b
authors	Lee, S., Adams, T.M. and Ryoo, B.
year	1997
title	A fuzzy navigation system for mobile construction robots
source	Automation in Construction 6 (2) (1997) pp. 97-107
summary	Fuzzy navigation systems control a robot by implementing a fuzzy logic controller (FLC). Fuzzy navigation systems are simpler to implement than other navigation systems because they can handle infinite navigation situations with a finite set of rules. Existing fuzzy navigation systems for path finding in an unknown environment tend to find the shortest path in convex obstacle fields, but fail when obstacles are concave or placed continuously in certain configurations. This paper presents a fuzzy navigation system that can escape from concave and maze-like obstacle fields in an unknown environment. The system combines a tangent algorithm for path planning with sets of linguistic fuzzy control rules. In particular, we introduce the control rules for a Tracking mode of the FLC and improvements to the commonly used, intuitively reasonable tangent algorithm.
series	journal paper
more	http://www.elsevier.com/locate/autcon
last changed	2003/05/15 21:22

_id	8cb9
authors	Lee, S., Mitchell, W.J., Naka, R., Morozumi, M. and Yamaguchi, S.
year	1998
title	The Kumamoto-Kyoto- MIT Collaborative Project: A Case Study of the Design Studio of the Future
source	Proceedings of Collaborative Buildings 1998, Darmstadt, Germany
summary	The Department of Architecture at the Massachusetts Institute of Technology has conducted a series of experimental design studios, as part of a larger ongoing research endeavour called The Design Studio of the Future, an interdisciplinary effort focusing on geographically distributed computer-mediated design and work group collaboration issues. A recent exploration was a collaborative design project joining geographically dispersed design students, faculty, researchers, and practitioners from Kumamoto University, Kyoto Institute of Technology, and MIT to examine the nature of computer networked collaborative environments and advanced computer-aided design technologies to support architectural education and practice. This paper will describe this project, which provided the students and faculty members with practical experience in the use of emerging technologies for collaboration, design, and communication in both the day-to-day activities of distributed groupwork as well as in the more formalized reviews.
series	other
last changed	2003/04/23 15:14

_id	ecaade2018_373
id	ecaade2018_373
authors	Lee, Sang and Holzheu, Stefanie
year	2018
title	Theatrical Performance as Experimental Architecture
doi	https://doi.org/10.52842/conf.ecaade.2018.1.589
source	Kepczynska-Walczak, A, Bialkowski, S (eds.), Computing for a better tomorrow - Proceedings of the 36th eCAADe Conference - Volume 1, Lodz University of Technology, Lodz, Poland, 19-21 September 2018, pp. 589-594
summary	This paper discusses by way of the authors' recent projects how improvised live dance performance, architectonic composition, and sensing technology converge and inform new opportunities in architectural experimentation. We first lay out the theoretical basis of technology in architectural experimentation in "new rationalities" of technologically augmented aesthetic work. We then briefly describe two projects, X-Change Room and RaumSubsTANZ and the motives behind them. X-Change Room deals with /non-verbal/ ambient display of information and interaction through envelope threshold. RaumSubsTANZ, a short interactive dance composition that highlights the ephemerality of architectural composition augmented by interaction devices. Through the two small projects we attempt to explore a specific technological milieu and reflect on the potentials and challenges of experimentation in architectural composition. The paper presents design methods and techniques that incorporate theories of perception and semiotics by way of an umbrella concept, "ambient displays" and interactive composition. Ultimately, we explore non-verbal communication and theatrical performance as architectural informant that augments semiosis and cognition that pertains to the role of technology at the intersection of primordial senses, cerebral technology, and place-making.
keywords	Ambient; Bauhaus; Cybernetics; Sensors; Society; Theater
series	eCAADe
email
last changed	2022/06/07 07:52

_id	ecaade2016_127
id	ecaade2016_127
authors	Lee, Sang
year	2016
title	Architecture of Intermodal Complex
doi	https://doi.org/10.52842/conf.ecaade.2016.2.297
source	Herneoja, Aulikki; Toni Österlund and Piia Markkanen (eds.), Complexity & Simplicity - Proceedings of the 34th eCAADe Conference - Volume 2, University of Oulu, Oulu, Finland, 22-26 August 2016, pp. 297-303
wos	WOS:000402064400029
summary	This paper focuses on the conception and design of architecture as the work of producing media about buildings and other environmental artifacts. I approach the questions regarding simplicity and complexity through "interdependence" and "intermodality." I believe the two concepts offer more precise frames of relations and contexts involving simplicity and complexity. I will first discuss the complexity as a condition of interdependences and how today's interdependences may provide a framework to understand complexity. I will then propose that intermodality adds to interdependence a notion that specifically pertains to today's media-driven culture and its complexity. I will next discuss how dependences and modalities are interconnected at various levels and eventually producing a new kind of semiosis that results from the disjunction between the medium and the content. I will in conclusion propose a new concept "apparatization" driven by interdependence and intermodality and how it changes shape and remain fluid, rather than scaling between simplicity and complexity, without a specific physical locus.
keywords	apparatus; interdependence; intermodality; media; pervasive computing
series	eCAADe
email
last changed	2022/06/07 07:52

_id	cf2019_019
id	cf2019_019
authors	Lee, Seong-Ki ; Reinhard Koenig and Frank Petzold
year	2019
title	Computational Support for Interactive Exploration of Urban Design Variants
source	Ji-Hyun Lee (Eds.) "Hello, Culture!" [18th International Conference, CAAD Futures 2019, Proceedings / ISBN 978-89-89453-05-5] Daejeon, Korea, p. 133
summary	This research aim is to develop a design support system for interactive exploration of urban space variants. During the early design process for urban masterplan, the design support system can evaluate the state of the design stage quickly and suggest alternative design variants to the designers. Design variants obtained while developing the design concept can be managed to be re-used. Through the management of design information at each design step, a designer can be supported to explore the history of the design process and reuse it. Therefore, it is possible to support breadth-first and depth-first design modes in solution development in a highly structured manner. Therefore, a user can practi ce informed decision making while preserving ownership during the design process, which can assist designer-led creative design activities.
keywords	Interactive Exploration, Urban Design, Design Support System, Design Process, Design Management
series	CAAD Futures
email
last changed	2019/07/29 14:08

_id	ecaade2011_069
id	ecaade2011_069
authors	Lee, Seongki
year	2011
title	Feasibility Computation of the Perimeter Block Housing in Early Design Process: A Perimeter Block Housing Design based on Zone Ordinance of Seoul
doi	https://doi.org/10.52842/conf.ecaade.2011.235
source	RESPECTING FRAGILE PLACES [29th eCAADe Conference Proceedings / ISBN 978-9-4912070-1-3], University of Ljubljana, Faculty of Architecture (Slovenia) 21-24 September 2011, pp.235-244
wos	WOS:000335665500026
summary	The goal of this paper is to present the feasibility computing tool for the perimeter block housing design in early design process. Firstly, the paper describes briefly issues of perimeter block housing focusing on block design cases of Seoul. Secondly, constraints and requirements of perimeter block housing are analysed and formulated based on specific zone ordinance and regulation. Thirdly application of half-edge data structure is presented for interconnected geometric problem solving. Fourthly, multi-objective optimization algorithm developed is shortly explained as problem solving method. Finally, feasibility-computing software using Java object oriented programming is developed. This can contribute to the tool development that can generate, optimize, evaluate and visualize perimeter block housings in early phases of design process by providing reliable design solutions for stakeholders.
keywords	Perimeter block housing; design-constraints; parametric design; multi-objective optimization problem; design support system
series	eCAADe
email
last changed	2022/05/01 23:21

_id	ca47
authors	Lee, Shu Wan
year	1996
title	A Cognitive Approach to Architectural Style Several Characteristics of Design Thinking in Architecture
doi	https://doi.org/10.52842/conf.caadria.1996.223
source	CAADRIA ‘96 [Proceedings of The First Conference on Computer Aided Architectural Design Research in Asia / ISBN 9627-75-703-9] Hong Kong (Hong Kong) 25-27 April 1996, pp. 223-226
summary	Designing is a complicated human behaviour and method, and is often treated as a mysterious "black box” operation in human mind. In the early period as for theory-studying of design thinking, the way of thinking that the researchers took were mostly descriptive discussions. Therefore, they lacked direct and empirical evidence although those studies provided significant exploration of design thinking (Wang, 1995). In recent years as for the study of cognitive science, they have tried to make design "glass box”. That is to try to make the thinking processes embedded in designers publicized. That is also to externalize the design procedure which provided the design studies another theoretical basis of more accurate and deeply researched procedure (Jones, 1992). Hence the studying of design thinking has become more important and the method of designing has also progressed a lot. For example, the classification of the nature of design problem such as ill-defined and well-defined (Newell, Shaw, and Simon, 1967), and different theoretical procedure modes for different disciplines, such as viewing architectural models as conjecture-analysis models and viewing engineering models as analysis-synthesis (Cross, 1991).
series	CAADRIA
last changed	2022/06/07 07:52

_id	7c47
authors	Lee, Tsai-Sun and Hardin, Mary
year	1996
title	Daylight Visual Effects: An Interactive Multimedia Courseware Prototype for Beginning Design Students
source	Computer Graphics. August 1996
summary	An interactive multimedia courseware prototype, Daylight Visual Effects (DVE), has been designed to provide a demonstration database and easy-to-use interface for beginning design students. Users gain or enhance knowledge about the visual effects of daylighting by reviewing relevant daylighting images, written information, animations and 3D computer models in the DVE's database. The presentation includes a live demonstration of the DVE prototype, a summary of the accomplishments and limitations of the courseware development, the effectiveness of the DVE interface, and the impact of DVE courseware on students and instructors.
series	journal paper
last changed	2003/04/23 15:14

_id	88e0
authors	Lee, Y.T., De Pennington, P. and Shaw, N.K.
year	1984
title	Automatic Finite- Element Mesh Generation from Geometric Models : A Point Based Approach
source	ACM Transactions on Graphics. October, 1984. vol. 3: pp. 287-311 : ill. includes bibliography
summary	A novel algorithm for automatic finite-element mesh generation is described. It uses constructive solid geometry to provide the geometric data for the object to be meshed. The geometric definition of the object and a value for the required mesh density are the only inputs. The method consists of two stages: point generation and mesh construction over the points. It has been implemented in two dimensions and is capable of generating predominantly 'good' quadrilateral elements. Triangular elements are only created in circumstances under which quadrilateral elements are not feasible
keywords	solids, geometric modeling, finite elements, analysis, CSG
series	CADline
last changed	2003/06/02 13:58

_id	ecaade03_237_51_zone
id	ecaade03_237_51_zone
authors	Lee, Y.Z. Lim, C.K. and Liu, Y.T.
year	2003
title	Multiple digital media in realizing various urban spaces: Project 2050 Taiwan
doi	https://doi.org/10.52842/conf.ecaade.2003.237
source	Digital Design [21th eCAADe Conference Proceedings / ISBN 0-9541183-1-6] Graz (Austria) 17-20 September 2003, pp. 237-246
summary	In Taiwan, it is a common phenomenon that landscape, urban spaces, and buildings are not considered as a whole by governments at all levels and private clients. More terribly, the government has never proposed any urban statement for the future. The Minister strongly therefore proposes this statement: 2050 vision Taiwan, aim to design the public spaces for the life of Taiwan in the year 2050. The Council for Culture Affairs plans to spend two years to cover 100 locations and invite 20 design teams to provide new vision of the places. Our design team, AleppoZONE first conducts the initial stage of this project that includes three areas of Taiwan: Taipei as the capital of Taiwan is expected to become a better place reflecting new and old space combination. Hsinchu is planned to explore the prototype for a digital city where digital technology is wellinstalled in the city plaza and public buildings. In the island of Pen-Hu, the ecology and high-tech transportation are equally considered to shape Pen-Hu as an island with nature. In the process, design team successfully synthesizes digital models and dynamic films into virtual and physical coexisting environmental animations by using multiple digital media in realizing the 2050 vision cities. The aim of this research is to give a throughout introduction of this project.
keywords	Digital media; urban spaces; representation
series	eCAADe
email
last changed	2022/06/07 07:52

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