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	caadria2021_220
id	caadria2021_220
authors	MacDonald, Katie and Schumann, Kyle
year	2021
title	Twinned Assemblage - Curating and Distilling Digital Doppelgangers
source	A. Globa, J. van Ameijde, A. Fingrut, N. Kim, T.T.S. Lo (eds.), PROJECTIONS - Proceedings of the 26th CAADRIA Conference - Volume 1, The Chinese University of Hong Kong and Online, Hong Kong, 29 March - 1 April 2021, pp. 693-702
doi	https://doi.org/10.52842/conf.caadria.2021.1.693
summary	Recent developments in digital fabrication have made increasingly intelligent use of machine visioning and 3D scanning. These technologies enable ever-higher resolution digital models of physical material, and present opportunities for physical material to gain agency in the design process. Digital design workflows using such technologies require ever-greater computing power as the resolution of digitized models increases, and high-fidelity 3D scanning systems become cost-prohibitive, creating obstacles to widespread use. Twinned assemblage uses consumer-grade photogrammetry software, lowering the cost of equipment required, and presents a series of distillation methods that strategically reduce the fidelity of data digitally describing a physical object. Distillation methods discussed include reducing a mesh to a low-poly geometry, identifying the location and orientation of an object's largest faces, and creating 2D sections, among others. These methods can be designed intentionally to extract or highlight certain qualities in digital models, that in turn inform aggregation strategies generated through computational simulation. This paper presents several examples of such aggregations in a variety of materials, conveying benefits and challenges of the process. Such methods present opportunities for granting agency to physical materials in the design process, and for the democratized use of digitizing technologies.
keywords	Authorship; Digitizing; Material Agency; Digital Design; Democratized Technology
series	CAADRIA
email
last changed	2022/06/07 07:59

_id	caadria2021_218
id	caadria2021_218
authors	Saslawsky, Kevin, Sanford, Tyler, MacDonald, Katie and Schumann, Kyle
year	2021
title	Branching Inventory - Democratized Fabrication of Available Stock
source	A. Globa, J. van Ameijde, A. Fingrut, N. Kim, T.T.S. Lo (eds.), PROJECTIONS - Proceedings of the 26th CAADRIA Conference - Volume 1, The Chinese University of Hong Kong and Online, Hong Kong, 29 March - 1 April 2021, pp. 513-522
doi	https://doi.org/10.52842/conf.caadria.2021.1.513
summary	Branching inventory is a construction methodology demonstrated through a full-scale structural prototype that reduces the waste inherent in milling lumber and celebrates natural variation by making complex form the efficient result of irregular material. The processing of wood into standardized components embeds waste and intensive energy consumption into timber construction. This work reimagines the utility of raw materials, using computational feedback to place natural form in dialogue with design intent -- creating a dialogue between technology, material, and designer. A custom workflow synthesizes a network of branches into a specific, structural form, shaped by the thicknesses and curvatures of the stock material as well as design input. Building on work using machine visioning in fabricating non-standard timber by others -- most of which relies on elaborate and cost-prohibitive 3D scanning and robotic fabrication systems -- branching inventory demonstrates a low-fidelity, democratized version of such approaches, using standard wood and metal-working tools and in which the available material stock contributes to design possibilities.
keywords	Digital Design; Digital Fabrication; 3D Scanning; Material Agency; Democratized Technology
series	CAADRIA
email
last changed	2022/06/07 07:57

_id	acadia21_292
id	acadia21_292
authors	Schumann, Kyle; MacDonald, Katie
year	2021
title	Pillow Forming
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. 292-301.
doi	https://doi.org/10.52842/conf.acadia.2021.292
summary	Recent decades have seen the development of increasingly powerful digital modeling and fabrication tools applied to the creation of molds or formwork for cast or formed materials. Many of these processes are highly customizable but resource intensive, singular in geometry, and disposable. This paper introduces pillow forming as a customizable, reusable forming system aimed at minimizing the resource intensity of construction and capable of producing both standardized and unique curved molded panels. The apparatus consists of a field of pneumatic pillows that inflate to form a complex curved surface with which various materials can be formed or cast. The design and construction of the system is discussed, including the modular inflation system, pneumatic and electronic control systems, control software run through Rhinoceros, Grasshopper, and Arduino, as well as the standard operation procedure. The system is demonstrated through the production of Homegrown, an architectural installation built of pillow formed biomaterial aggregate. Various limitations and opportunities of the system are discussed and analyzed, and opportunities for future development and applications in sustainable construction are posited.
series	ACADIA
type	paper
email
last changed	2023/10/22 12:06

_id	sigradi2021_281
id	sigradi2021_281
authors	Bernal, Marcelo, Vegas, Gonzalo, Williams, Marvina and Andersen, Katie
year	2021
title	Quantification of Effective Temporal Exposure to Daylight Illuminance Levels in Healthcare Settings
source	Gomez, P and Braida, F (eds.), Designing Possibilities - Proceedings of the XXV International Conference of the Ibero-American Society of Digital Graphics (SIGraDi 2021), Online, 8 - 12 November 2021, pp. 315–326
summary	The purpose of this study is the quantification of the exposure of occupants to daylight illuminance levels. The case study is the typical floor of a patient tower occupied by nurses in twelve hours shifts, from 7 am to 7 pm. Significant evidence exists regarding the positive impact of access to daylight on staff outcomes in healthcare facilities in terms of reduction of stress, absenteeism, medication errors, and burn outs. However, the standard daylight simulation methods evaluate the building and do not capture the dynamic nature of people’s behavior while moving through the space. The proposed approach combines agent-based simulation and daylight performance analysis to compute the occupants’ exposure to daylight levels throughout the year. The results show the discrepancies between building-centric and human-centric types of analysis and the contribution of dynamic simulation methods to design occupancy schedules to warranty equitable access to daylight to building occupants.
keywords	Event model, Building occupancy, Behavior modeling, Space-use analysis, Design tools
series	SIGraDi
email
last changed	2022/05/23 12:10

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