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	caadria2019_270
id	caadria2019_270
authors	Liu, Quan, Li, Xintian, Mao, Ming, Gu, Mengjie and Ye, Qingfeng
year	2019
title	The Study on the Relationship between Storm Surface Runoff and the Form of Street-Block using the Cellular Automata Model
source	M. Haeusler, M. A. Schnabel, T. Fukuda (eds.), Intelligent & Informed - Proceedings of the 24th CAADRIA Conference - Volume 1, Victoria University of Wellington, Wellington, New Zealand, 15-18 April 2019, pp. 331-340
doi	https://doi.org/10.52842/conf.caadria.2019.1.331
summary	This paper focuses on the reduction of storm surface runoff through optimizing the layout of permeable green area and other morphological elements of the urban street-block, and a distributed hydrological model based on cellular automata (CA) are used to accurately distinguish the impact of storm runoff reduction of various blocks, accordingly helping to find the morphological principle of surface runoff optimization. The model includes morphological setting and hydrological setting. The morphological setting includes the shape and size, land cover, and slope of street-block. The hydrological setting is based on Nanjing, China and include the process of rainfall, infiltration, surface flow, out flow. Comparing the results of runoff indicators, it can be found that the runoff can be greatly influenced by the layout of morphological elements of street-block. Therefore, it can be reduced by optimization the form of street-block in design process.
keywords	urban form; street-block; building fabric; storm surface runoff; cellular automata
series	CAADRIA
email
last changed	2022/06/07 07:59

_id	da35
authors	Liu, Y.T.
year	1994
title	Some Phenomena of seeing shapes in design
source	Design Studies, v 16, n 3, pp. 367-385
summary	This paper is a look at some of the pyschological results that suggest how shape emergence manifest itself in the human mind. The first interesting result goes back to top down expectation guiding recognition. Some experimental suggest that it is easier (quicker) to recognize shapes which we have some alternate mental familiarity. (I.E. verbal, structural descriptions). So if we can easily say a shape then we can easily discern it as an emergent shape. The paper then goes on to discuss the definition of emergent subshapes and gives various authors definitions of what makes up and emergent shape. One interesting classification is the difference between explicit and implicit emergent shapes made by Mitchell. This difference amounts to a fine line between imagination and emergence. The results of an experiment between experienced and in-experienced designers is discussed. The results suggest that experienced designers are able to find more emergent shape than non experienced designers. From these results and from the opinions of others, the author goes on to specify 3 phenomena related to emergent recognition. The first is as above that it is easier to see shapes with which we are familiar. Second from this, the harder shapes are found after the initial period. Third, from the first two, time is required to find more subshapes. The author then searches for an explanation of this phenomena. He suggests that the underlying cause is related to an experience person having a lower threshold of what it is to be a member of a shape. When seeing an L shape the experienced design is likely to consider it also a square, because his requirement for the set of features which must be present for some object to be a considered a square is a smaller set than the inexperienced. While the author suggests that this is a phenomena it is actually an hypothesis. An alternate hypothesis may be that top down inhibitions effect the bottom up performance of the inexperienced design more because of different representation.
series	journal paper
email
last changed	2003/04/23 15:14

_id	8db9
authors	Liu, Yu-Tung
year	1993
title	A Connectionist Approach to Shape Recognition and Transformation
source	CAAD Futures ‘93 [Conference Proceedings / ISBN 0-444-89922-7] (Pittsburgh / USA), 1993, pp. 19-36
summary	In human design processes, many drawings of shapes remain incomplete or are executed inaccurately. Cognitively, a designer is able to discern these anomalous shapes, whereas current CAAD systems fail to recognize them properly so that CAAD systems are unable to match left-hand-side conditions of shape rules. More unfortunately, as a result, current CAAD systems fail to retrieve right-hand-side actions. In this paper, multi-layered neural networks are constructed to solve the recognition and transformation of ill-processed shapes in the light of recent advances of connectionism in cognitive psychology and artificial intelligence.
keywords	Shape Recognition, Shape Transformation, Connectionist Models, PDP Models, Content-Addressable Memory, Neural Networks
series	CAAD Futures
email
last changed	2003/05/16 20:58

_id	acadia21_512
id	acadia21_512
authors	Liu, Zidong
year	2021
title	Topological Networks Using a Sequential Method
source	ACADIA 2021: Realignments: Toward Critical Computation [Proceedings of the 41st Annual Conference of the Association of Computer Aided Design in Architecture (ACADIA) ISBN 979-8-986-08056-7]. Online and Global. 3-6 November 2021. edited by B. Bogosian, K. Dörfler, B. Farahi, J. Garcia del Castillo y López, J. Grant, V. Noel, S. Parascho, and J. Scott. 512-519.
doi	https://doi.org/10.52842/conf.acadia.2021.512
summary	The paper shares preliminary results of a novel sequential method to expand existing topology-based generative design. The approach is applied to building an interactive community design system based on a mobile interface. In the process of building an interactive design system, one of the core problems is to harness the complex topological network formed by user demands. After decades of graph theory research in architecture, a consensus on self-organized complex networks has emerged. However, how to convert input complex topological data into spatial layouts in generative designs is still a difficult problem worth exploring. The paper proposes a way to simplify the problem: in some cases, the spatial network of buildings can be approximated as a collection of sequences based on circulation analysis. In the process of network serialization, the personalized user demands are transformed into activity patterns and further into serial spaces. This network operation gives architects more room to play with their work. Rather than just designing an algorithm that directly translates users’ demands into shape, architects can be more actively involved in organizing spatial networks by setting up a catalogue of activity patterns of the residents, thus contributing to a certain balance of top-down order and bottom-up richness in the project. The research on data serialization lays a solid foundation for the future exploration of Recurrent Neural Network (RNN) applied to generative design.
series	ACADIA
type	paper
email
last changed	2023/10/22 12:06

_id	ecaade2017_309
id	ecaade2017_309
authors	Lo Turco, Massimiliano, Zich, Ursula, Astolfi, Arianna, Shtrepi, Louena and Botto Poaola, Matteo
year	2017
title	From digital design to physical model - Origami techniques applied to dynamic paneling shapes for acoustic performance control
source	Fioravanti, A, Cursi, S, Elahmar, S, Gargaro, S, Loffreda, G, Novembri, G, Trento, A (eds.), ShoCK! - Sharing Computational Knowledge! - Proceedings of the 35th eCAADe Conference - Volume 2, Sapienza University of Rome, Rome, Italy, 20-22 September 2017, pp. 77-86
doi	https://doi.org/10.52842/conf.ecaade.2017.2.077
summary	The recent trend toward non-standard and free form architecture has generated a lot of debate among the Scientific Community. The reasons can be found in the renewed interest in organic shapes, in addition to recent and powerful capabilities of parametric platforms. In this regard, the Visual Programming Language (VPL) interface gives a high level of freedom and control for conceiving complex shapes. The geometric problems in identifying a suitable shape have been addressed by relying on the study of Origami. The control of variable geometry has required the use of algorithmic models that ensure fast changes and free control of the model, besides a physical one made of rigid cardboard to simulate its rigid-foldability. The aim is to present a prototype of an adaptive structure, with an acoustic application, to control sound quality and perception in spaces where this has a central role, such as theatres or concert halls.
keywords	parametric modeling; generative design; shape and form studies; acoustics conditions; digital Representation
series	eCAADe
email
last changed	2022/06/07 07:59

_id	caadria2024_181
id	caadria2024_181
authors	Lo, Wei Che and Wang, Shih-Yuan
year	2024
title	Fungus Mesh: Non-woven Self-supporting Assemblies
source	Nicole Gardner, Christiane M. Herr, Likai Wang, Hirano Toshiki, Sumbul Ahmad Khan (eds.), ACCELERATED DESIGN - Proceedings of the 29th CAADRIA Conference, Singapore, 20-26 April 2024, Volume 3, pp. 201–210
doi	https://doi.org/10.52842/conf.caadria.2024.3.201
summary	This study aims to develop the application and exploration of digital manufacturing technology in the design of textile composite materials in the digital fabrication. The inspiration for this study comes from the folds of mushrooms and resulting caps. In nature, many organisms grow flexible bodies as structural systems instead of relying on hard bones. This raises the question of whether soft textile materials can also have the potential to serve as structural support materials. Research is divided into three parts. The first part aims to understand the application of non-woven fabrics in the construction field, and examine the manufacturing and reprocessing methods of composite materials. The second part aims to establish the logic of form finding and shape optimization. The third part is the design and manufacturing stage. This research not only establishes a digital fabrication work-flow based on composite fabric materials but also develops a large-scale self-supporting structure as a verification of this process.
keywords	Nonwoven Fabric, Soft material, Material-Based Fabrication, Bio-inspired, Bending Active
series	CAADRIA
email
last changed	2024/11/17 22:05

_id	sigradi2018_1327
id	sigradi2018_1327
authors	Lobosco, Tales
year	2018
title	Virtual Reality as a tool to regain tactual procedures in digital design
source	SIGraDi 2018 [Proceedings of the 22nd Conference of the Iberoamerican Society of Digital Graphics - ISSN: 2318-6968] Brazil, São Carlos 7 - 9 November 2018, pp. 37-43
summary	This article aims to analyze the transformations undergone in design since the implementation of the digital processes. Seeking to discuss the limits for the construction of an operational model that does not act directly on the generated form and where the gesture and the materiality lost their place. In this sense, this paper proposes a project experience based on the interaction between analogue and virtual reality tools, allowing the retrieval of tactile and material interactions, with the direct manipulation of the final shape of the object in a digital design environment.
keywords	Digital design; Tactual; Materiality; Virtual reality; Gesture
series	SIGRADI
email
last changed	2021/03/28 19:58

_id	ecaade2015_231
id	ecaade2015_231
authors	Lonsing, Werner
year	2015
title	Beyond Smart Remote Controls - Developing a More Integrated and Customizable Implementation of Automation in a Building by Utilizing Tools and Concepts from Makers
source	Martens, B, Wurzer, G, Grasl T, Lorenz, WE and Schaffranek, R (eds.), Real Time - Proceedings of the 33rd eCAADe Conference - Volume 2, Vienna University of Technology, Vienna, Austria, 16-18 September 2015, pp. 679-686
doi	https://doi.org/10.52842/conf.ecaade.2015.2.679
wos	WOS:000372316000075
summary	“Home Automation” describes the connecting of electronic household appliances to a centralized control unit like e.g. an app on a smart phone or some control panel. The overall goal of these efforts is to provide a general remote control for existing devices. By comparison a concept of home automation as part of a building design process has yet not come into shape.
series	eCAADe
email
last changed	2022/06/07 07:59

_id	cf2019_049
id	cf2019_049
authors	Lu, Heng; Chen Liu, Daekwon Park, Guohua Ji and Ziyu Tong
year	2019
title	Pneumatic Origami Joints A 3D Printed Flexible Joint
source	Ji-Hyun Lee (Eds.) "Hello, Culture!" [18th International Conference, CAAD Futures 2019, Proceedings / ISBN 978-89-89453-05-5] Daejeon, Korea, p. 432
summary	This paper describes the design and fabrication process of an adaptive joint using foldable 3D printed structures encased in heat-sealed synthetic polymer films (e.g. airtight plastic casing). The proposed joint can be pneumatically actuated using the airtight casing, and the shape of the deformation can be controlled using origami-inspired 3D printed structures. A zigzag-gap microstructure is designed for the connection portion of the origami structure inside the joint, in order that the rigid 3D printed material (PLA) acquires properties of mollusk material, such as flexibility and softness. Finally, the paper presents some applications adopting pneumatic origami joints which can interact with people or adapting indoor environment, and compares the advantages of this pneumatic technology with mechanical technology.
keywords	3D printing · Adaptive joint · Pneumatic architecture · Origami structure
series	CAAD Futures
email
last changed	2019/07/29 14:18

_id	caadria2018_067
id	caadria2018_067
authors	Lu, Shuai and Guo, Cong
year	2018
title	Investigation on the Potential of Improving Daylight Efficiency of Office Buildings by Optimized Curved Facades
source	T. Fukuda, W. Huang, P. Janssen, K. Crolla, S. Alhadidi (eds.), Learning, Adapting and Prototyping - Proceedings of the 23rd CAADRIA Conference - Volume 2, Tsinghua University, Beijing, China, 17-19 May 2018, pp. 113-121
doi	https://doi.org/10.52842/conf.caadria.2018.2.113
summary	With the rapid development of digital design methods, irregular curved shapes have been more and more widely used in buildings, which not only enriches the appearances of buildings, but also provide new possibilities of improving building performance by shape designs. However, existing researches regarding building performance and shapes mostly focus on regular shapes, while curved shapes are rarely explored. This paper aims to employ design optimization method to explore the improvement of building performance that curved shapes could contribute. Specifically, office buildings are chosen as an example and the potential of improving the daylight efficiency of them by optimized curved facades are investigated. Three major cities and two orientations are involved in the investigation. The results prove that curved facades do have significant potential to improve the daylight efficiency of office buildings, and an average improvement of 0.2032 is achieved by the optimized curved facades in the 6 cases conducted in this research in terms of the area-weighted average UDI (useful daylight illuminance) compared with the same building with plane facade.
keywords	Curved Facade; Daylight; Building Performance; Design Optimization; Office Building
series	CAADRIA
email
last changed	2022/06/07 07:59

_id	sigradi2005_097
id	sigradi2005_097
authors	Luhan, Gregory A.
year	2005
title	At Full-Scale \| From Installation to Inhabitation
source	SIGraDi 2005 - [Proceedings of the 9th Iberoamerican Congress of Digital Graphics] Lima - Peru 21-24 november 2005, vol. 1, pp. 97-102
summary	In 1999, the University of Kentucky (then the College of Architecture, now the College of Design-School of Architecture) established a Digital Design Studio to combine the strong tradition of handcrafting in the existing design program with those technologically sophisticated tools shaping the profession for the 21st century. Over a six-year period, this all-digital design studio has developed from a pedagogical model for developing new different ways of seeing and making architecture to a proof-of-concept real-world experience to coalesce state-of-the-art visualization techniques with current expectations of practice. Creating dynamic links between students, industry, and the profession has enabled the School of Architecture to provide leadership for practicing architects, to create an effective dialogue between industrial and design professionals, and to incorporate successfully leading-edge design pedagogy with the more technological applications that will shape the future of architecture practice. The materials presented here reflect a sequence of comprehensive digital projects produced under my direction from 1999 through 2005.
series	SIGRADI
email
last changed	2016/03/10 09:55

_id	sigradi2017_087
id	sigradi2017_087
authors	Luna de Melo Jorge, Leonardo; Rafael Mourão Fiuza, Daniel Cardoso
year	2017
title	Moderno Paramétrico: Para Além da Fenomenologia na Arquitetura [Parametric Modern: Beyond Phenomenology in Architecture]
source	SIGraDi 2017 [Proceedings of the 21th Conference of the Iberoamerican Society of Digital Graphics - ISBN: 978-956-227-439-5] Chile, Concepción 22 - 24 November 2017, pp.605-610
summary	Analysis of Mies Van Der Rohe works seeking recurrences and the elements of his formal language aiming to develop a shape grammar. Elaboration of spreadsheet and explanatory images with the parameters and rules that govern these elements and initial sketch of the algorithm in Rhino + Grasshpper.
keywords	Mies Van Der Rohe; Shape Grammar;
series	SIGRADI
email
last changed	2021/03/28 19:58

_id	ga0004
id	ga0004
authors	Lund, Andreas
year	2000
title	Evolving the Shape of Things to Come - A Comparison of Interactive Evolution and Direct Manipulation for Creative Tasks
source	International Conference on Generative Art
summary	This paper is concerned with differences between direct manipulation and interactive evolutionary design as two fundamentally different interaction styles for creative tasks. Its main contribution to the field of generative design is the treatment of interactive evolutionary design as a general interaction style that can be used to support users in creative tasks. Direct manipulation interfaces, a term coined by Ben Shneiderman in the mid-seventies, are the kind of interface that is characteristic of most modern personal computer application user interfaces. Typically, direct manipulation interfaces incorporate a model of a context (such as a desktop environment) supposedly familiar to users. Rather than giving textual commands (i.e. "remove file.txt", "copy file1.txt file2.txt") to an imagined intermediary between the user and the computer, the user acts directly on the objects of interest to complete a task. Undoubtedly, direct manipulation has played an important role in making computers accessible to non-computer experts. Less certain are the reasons why direct manipulation interfaces are so successful. It has been suggested that this kind of interaction style caters for a sense of directness, control and engagement in the interaction with the computer. Also, the possibilities of incremental action with continuous feedback are believed to be an important factor of the attractiveness of direct manipulation. However, direct manipulation is also associated with a number of problems that make it a less than ideal interaction style in some situations. Recently, new interaction paradigms have emerged that address the shortcomings of direct manipulation in various ways. One example is so-called software agents that, quite the contrary to direct manipulation, act on behalf of the user and alleviate the user from some of the attention and cognitive load traditionally involved in the interaction with large quantities of information. However, this relief comes at the cost of lost user control and requires the user to put trust into a pseudo-autonomous piece of software. Another emerging style of human-computer interaction of special interest for creative tasks is that of interactive evolutionary design (sometimes referred to as aesthetic selection). Interactive evolutionary design is inspired by notions from biological evolution and may be described as a way of exploring a large – potentially infinite – space of possible design configurations based on the judgement of the user. Rather than, as is the case with direct manipulation, directly influencing the features of an object, the user influences the design by means of expressing her judgement of design examples. Variations of interactive evolutionary design have been employed to support design and creation of a variety of objects. Examples of such objects include artistic images, web advertising banners and facial expressions. In order to make an empirical investigation possible, two functional prototypes have been designed and implemented. Both prototypes are targeted at typeface design. The first prototype allows a user to directly manipulate a set of predefined attributes that govern the design of a typeface. The second prototype allows a user to iteratively influence the design of a typeface by means of expressing her judgement of typeface examples. Initially, these examples are randomly generated but will, during the course of interaction, converge upon design configurations that reflect the user’s expressed subjective judgement. In the evaluation of the prototypes, I am specifically interested in users’ sense of control, convergence and surprise. Is it possible to maintain a sense of control and convergence without sacrificing the possibilities of the unexpected in a design process? The empirical findings seem to suggest that direct manipulation caters for a high degree of control and convergence, but with a small amount of surprise and sense of novelty. The interactive evolutionary design prototype supported a lower degree of experienced control, but seems to provide both a sense of surprise and convergence. One plausible interpretation of this is that, on the one hand, direct manipulation is a good interaction style for realizing the user’s intentions. On the other hand, interactive evolutionary design has a potential to actually change the user’s intentions and pre-conceptions of that which is being designed and, in doing so, adds an important factor to the creative process. Based on the empirical findings, the paper discusses situations when interactive evolutionary design may be a serious contender with direct manipulation as the principal interaction style and also how a combination of both styles can be applied.
series	other
email
more	http://www.generativeart.com/
last changed	2003/08/07 17:25

_id	cf2019_059
id	cf2019_059
authors	Ma, Lisha ; Xiaofang Yuan, Yu Wu and Wuzhen Zhu
year	2019
title	A National Pattern Generation Method Based on Cultural Design Genetic Derivation
source	Ji-Hyun Lee (Eds.) "Hello, Culture!" [18th International Conference, CAAD Futures 2019, Proceedings / ISBN 978-89-89453-05-5] Daejeon, Korea, p. 500
summary	It is a great challenge to digitally generate emotionally satisfying patterns with national style characteristics to meet diversified consumer demands for national patterns. As the core of national culture’s gestation, growth and development, cultural genes can realize cultural inheritance and maintain national identity . From the view of design, the basic feature elements of cultural genes are extracted by original national pattern deconstruction and semantically summarized to form specific cultural design genes suitable for the rapid design of national pattern. Further, the topology principle and ComputerAided design is introduced to simultaneously generate pattern shapes using Self-Crossing and Cross-Crossing transformation by shape grammar. Then, the pattern elements are arranged according to the initial ethnic pattern composition rules to generate new series of ethnic patterns. Finally, Chinese Tibetan pattern is patterned as an example to demonstrate that this research can creates patterns faster and in line with the user's intent.
keywords	National pattern, Cultural design gene, Pattern deconstruction, Shape grammar, Computer-Aided design
series	CAAD Futures
email
last changed	2019/07/29 14:18

_id	sigradi2014_305
id	sigradi2014_305
authors	Machado, Lara Maria de Araújo; André Ximenes , Matheus Henrique do Vale Alencar
year	2014
title	A abordagem sistêmica do processo generativo da forma aplicada ao projeto em Design [The systemic approach of the generative process of the form applied to the project in Design]
source	SiGraDi 2014 [Proceedings of the 18th Conference of the Iberoamerican Society of Digital Graphics - ISBN: 978-9974-99-655-7] Uruguay - Montevideo 12 - 14 November 2014, pp. 413-417
summary	The study addresses Shape Grammar as analytic and generative project methodology in Design. In order to authenticate the influence of these generation laws in design practice, the works of some artists of the Bauhaus school were analyzed. Furthermore, the study shows the importance of the designer in the conception process of his project, from the use of the identified grammar as generative tool for new products.
series	SIGRADI
email
last changed	2016/03/10 09:55

_id	0149
authors	Mackenzie, C.A.
year	1988
title	Heuristic Search and Tree Systems Inference for Structural Pattern Recognition
source	Knowledge based systems. 1988. vol. 1: pp. 78-89
summary	An experiment is reported that combines the use of a heuristic search and a tree systems inference technique to induce context-free relational grammars that generate patterns in the style embodied in a sample set. This is achieved by searching for concise structural representations of each pattern in a sample set and discovering regularities in their tree systems representation. The knowledge induced is represented as an accepting tree systems automation and generative grammar, and is used to classify extant patterns and generate novel ones. Examples are given to illustrate the methodology, and to lend support to the hypothesis that the style of a pattern can be partially characterized by a unique generative process
keywords	algorithms, heuristics, search, pattern recognition, inference, shape grammars
series	CADline
last changed	2003/06/02 13:58

_id	a68b
authors	Mackenzie, C.A.
year	1989
title	Inferring Relational Design Grammars
source	Environment and Planning B. 1989. vol. 16: pp. 252-287
summary	The hierarchical structure afforded by linguistic systems, together with inter-element relationships, is suggested as a means of representing interpretations of generative design processes. The utility of relational descriptions for describing spatial arrangements and performing geometric transformations is discussed. Tree systems are shown to be a useful representation for relational descriptions, by making explicit the possible hierarchical organizations, and a search mechanism is introduced to look for 'interesting' design interpretations. A method for inferring tree automata from positive sample sets is employed to infer relational grammars. Issues in the representation and the grammatical inference method are discussed in the light of examples from the domain of spatial configuration
keywords	inference, shape grammars, design, synthesis, relations, search
series	CADline
last changed	2003/06/02 13:58

_id	f2cf
authors	Madrazo, Leandro
year	2001
title	NETWORKING : a web environment for a collaborative education
source	Stellingwerff, Martijn and Verbeke, Johan (Eds.), ACCOLADE - Architecture, Collaboration, Design. Delft University Press (DUP Science) / ISBN 90-407-2216-1 / The Netherlands, pp. 169-182 [Book ordering info: m.c.stellingwerff@bk.tudelft.nl]
summary	NETWORKING is a teaching environment developed in close connection with the course "Sistemas de RepresentaciÛn", which has been carried out for the first time at the E.T.S. d'Arquitectura La Salle, Barcelona, in the academic year 1999/00. It is a web-based environment that promotes the exchange of ideas among students and their capacity to work collaboratively. There is a customized NETWORKING environment for each one of the six themes that made up the course: text, shape, object, image, space and light. In this paper we will discuss two of the six environments: OBJECT and SPACE.
series	other
last changed	2001/09/14 21:30

_id	bfa9
id	bfa9
authors	Mahiques, Myriam Beatriz
year	2004
title	BUENOS AIRES: URBAN QUADRILLE AND FRACTALITY UNDER THE LIGHT OF SOCIAL ASPECTS
source	Proceedings of the Fourth International Conference of Mathematics & Design, Special Edition of the Journal of Mathematics & Design, Volume 4, No.1, pp. 55-59.
summary	Investigations about urban form are developed in many directions, being the history branch the strongest. It is based on the importance of forms created by previous generations. So, urban morphologists must examine the inhabitants and the processes that originate the urban form. In our discipline, ´´epistemological physicalism´´ is studied through the theory of complex systems and chaos theory. The resultant shape is obtained by selecting some elements of the abstract structure considered (non Euclidean geometry) and simulation software is used for experimentation, like L Systems, Diffusion Limited Aggregated, Cellular Automata. Then we have to discover what is veiled at first sight and to reflect on the optimal model for the community.
series	other
type	normal paper
email
last changed	2005/04/07 12:48

_id	1162
authors	Malkawi, Ali and Jabi, Wassim
year	1996
title	Integrating Shadow Casting Methodology and Thermal Simulation
source	Proceedings of the Solar ‘96 Conference. Asheville, North Carolina: American Solar Energy Society, 1996, pp. 271-276
summary	This paper describes an experiment that integrates shadow casting methodology and thermal simulation algorithms developed by the authors. The 3D shadow procedures use a polyhedral representation of solids within a Cartesian space that allows for accurate casting of shadows. The algorithm is also capable of calculating surface areas of polygonal shadows of any arbitrary shape and size. The thermal simulation algorithms – using the Transfer Function Method (TFM) – incorporate the shaded area calculations to better predict solar heat gain from glazing based on transmitted, absorbed, and conducted cooling loads. The paper describes the use of a 3D computer model to illustrate the impact of the pattern and area of shading on the visual and thermal properties of building apertures. The paper discusses the objectives of this experiment, the algorithms used, and their integration. Conclusions and findings are drawn.
keywords	Shadow Casting Algorithms Energey Thermal Simulation
series	other
email
last changed	2002/03/05 19:51

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