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 ecaade2018_261
id ecaade2018_261
authors Austern, Guy, Capeluto, Isaac Guedi and Grobman, Yasha Jacob
year 2018
title Rationalization and Optimization of Concrete Façade Panels
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. 727-734
summary The presented research develops methods for introducing fabrication constraints into architectural design, a process often referred to as design rationalization. In the first stage of the research, a computational method for evaluating the fabrication potential of geometries was developed. The method predicts the feasibility, material use and machining time of a geometry in relation to different fabrication techniques. It uses geometric properties to mathematically estimate these parameters without simulating the actual machining. The second stage of the research describes processes for adapting architectural designs to their fabrication technique. The evaluation method previously developed is used as a fitness criterion for a computational optimization algorithm aimed at adapting concrete façade elements to the fabrication constraints of their molds. A case study demonstrates how the optimization process succeeded in improving the feasibility of different geometries within a time-frame suitable to the architectural design process, and without significant changes to the initial design.
keywords Optimization; Digital Fabrication; Rationalization; Computational Design Process
series eCAADe
last changed 2018/07/24 10:23

_id acadia18_136
id acadia18_136
authors Austern, Guy; Capeluto, Isaac Guedi; Grobman, Yasha Jacob
year 2018
title Fabrication-Aware Design of Concrete Façade Panels. A Computational Method For Evaluating the Fabrication of Large- Scale Molds in Complex Geometries
source ACADIA // 2018: Recalibration. On imprecisionand infidelity. [Proceedings of the 38th Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-0-692-17729-7] Mexico City, Mexico 18-20 October, 2018, pp. 136-145
summary This paper presents a design methodology for concrete façade panels that takes into consideration constraints related to digital fabrication machinery. A computational method for the real-time evaluation of industrial mold-making techniques, such as milling and hot wire cutting, was developed. The method rapidly evaluates the feasibility, material use, and machining time of complex geometry molds for architectural façade elements. Calculation speed is achieved by mathematically approximating CAM-machining operations. As results are obtained in nearly real time, the method can be easily incorporated into the architectural design process during its initial stages, when changes to the design are more effective.

In the paper, we describe the algorithms of the computational evaluation method. We also show how it can be used to introduce fabrication considerations into the design process by using it to rationalize several types of panels. Additionally, we demonstrate how the method can be used in complex, large-scale architectural projects to save machining time and materials by evaluating and altering the paneling subdivision.

keywords full paper, fabrication & robotics, digital fabrication, performance + simulation, geometry
series ACADIA
type paper
last changed 2019/01/07 11:21

_id ijac20097402
id ijac20097402
authors Grobman, Yasha Jacob; Abraham Yezioro; Isaac Guedi Capeluto
year 2009
title Computer-Based Form Generation in Architectural Design - a Critical Review
source International Journal of Architectural Computing vol. 7 - no. 4, 535-554
summary The idea of using computers for form generation and evaluation in the architectural design process has been put forward already in the early days of computers. However, as opposed to computer aided drafting, the generation of form, its optimization and manufacturing has not been widely accepted and implemented by practitioners. The paper critically reviews the research and state of the practice experiments that has been done in this field and develops an argument regarding the possibilities and limitations of computer-based form generation in the architectural design process.
series journal
last changed 2010/09/06 06:02

_id ijac20108105
id ijac20108105
authors Grobman, Yasha Jacob; Abraham Yezioro; Isaac Guedi Capeluto
year 2010
title Non-Linear Architectural Design Process
source International Journal of Architectural Computing vol. 8 - no. 1, 41-54
summary The introduction of the computer to the architectural design process have facilitated the possibility to examine a large number of design alternatives by allowing continuous variation between pre defined constraints. However, for the most part, evaluation and comparison of the alternatives is still handled manually in a linear fashion by the designer. This paper introduces a different approach to the architectural design process, which calls for a multithreaded or a non-linear design process. In a non-linear design process design directions and alternatives are generated, presented and evaluated simultaneously, and in real time. As an example for a non-linear design process the Generative Performance Oriented Design model and software tool (GenPOD) are presented and discussed. Moving towards non-linear modes of design arguably increases design creativity by allowing generating and evaluating a greater number and variation of design alternatives.
series journal
last changed 2019/05/24 07:55

_id 2005_687
id 2005_687
authors Nir, Eyal and Capeluto Guedi
year 2005
title Smart Cloud-of-Points Model: Point-based Digital Media and Tools for Architectural Design
source Digital Design: The Quest for New Paradigms [23nd eCAADe Conference Proceedings / ISBN 0-9541183-3-2] Lisbon (Portugal) 21-24 September 2005, pp. 687-694
summary Abandoning the scale-model concept in favor of an abstract representation led us to the development of a digital design model based on point-clouds as design media. In this paper we examine the potential usage of point-clouds as design media. Extending the point-cloud model with a forth dimension represented as a numeric pointer to generative algorithms provides a parametric interface for the regeneration and alteration of the extended point-cloud model referred to as “Smart Cloud of Points”.
keywords Point-Clouds; Parametric Design; Generative Modeling
series eCAADe
last changed 2012/11/23 18:17

_id 2006_794
id 2006_794
authors Nir, Eyal and Guedi Capeluto
year 2006
title On Design Continuity with Smart Cloud of Points
source Communicating Space(s) [24th eCAADe Conference Proceedings / ISBN 0-9541183-5-9] Volos (Greece) 6-9 September 2006, pp. 794-797
summary The continuity of the design process is not well supported by the widespread available CAD systems that mainly focus on specific design stages overlooking the transition between them, where some of the design information is lost or duplicated. The growing use of complex geometries in architectural design projects led to the adoption of constraint-based parametric modeling techniques in the construction industry. Applying these techniques and tools requires rationalizing the design solution and fixing its geometry at an early design stage. When done prematurely, it can result in design fixation and restrain the design creativity, putting it within constraints. In this paper we explore the use of Smart Cloud of Points (SmCP) as an adaptive design media supporting the continuity of the design process.
keywords Parametric Design: point-clouds; performance driven design
series eCAADe
last changed 2006/08/16 16:54

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