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	caadria2020_421
id	caadria2020_421
authors	Peters, Brady, Hoban, Nicholas and Kramer, Krystal
year	2020
title	Sustainable Sonic Environments - The Robotic Fabrication of Mass Timber Acoustic Surfaces
doi	https://doi.org/10.52842/conf.caadria.2020.2.453
source	D. Holzer, W. Nakapan, A. Globa, I. Koh (eds.), RE: Anthropocene, Design in the Age of Humans - Proceedings of the 25th CAADRIA Conference - Volume 2, Chulalongkorn University, Bangkok, Thailand, 5-6 August 2020, pp. 453-462
summary	This research proposes that mass timber panels can not only enable a new type of architecture that is sustainable, but that also sounds better. As mass timber construction often exposes the wood structure, and these panels are carefully constructed in factory settings, these panels have the potential to be built so that the acoustically absorptive, reflective, or sound scattering acoustic properties of surfaces can be integrated into the constructive logic and architectural aesthetic of the building. This paper specifically investigates the potentials of the sound scattering performance of cross laminated timber (CLT) panels. Through design, simulation, and prototyping various surface designs are investigated.
keywords	Architectural Acoustics; Robotic Prototyping; Sound Scattering; Acoustic Simulation; Mass Timber
series	CAADRIA
email
last changed	2022/06/07 08:00

_id	ecaade2020_395
id	ecaade2020_395
authors	Xian, Ziju, Hoban, Nicholas and Peters, Brady
year	2020
title	Spatial Timber Assembly - Robotically Fabricated Reciprocal Frame Wall
doi	https://doi.org/10.52842/conf.ecaade.2020.2.403
source	Werner, L and Koering, D (eds.), Anthropologic: Architecture and Fabrication in the cognitive age - Proceedings of the 38th eCAADe Conference - Volume 2, TU Berlin, Berlin, Germany, 16-18 September 2020, pp. 403-412
summary	Though highly robust and economical, traditional lamella and reciprocal structural systems cannot adapt to surfaces with complex double curvature; as the timber members are standardized with no variation. Recent research has explored the use of computation for design, structural optimization, and use of robotic systems for the automated fabrication of timber joints. The disconnection between fabrication and assembly makes the construction of non-uniform double-curved reciprocal frames challenging, due to the required precise placement of discrete members with compound angle butt joints. This project investigates the use of robotic fabrication to cut and assemble a timber reciprocal frame assembly. A computational model was created to generate the double-curved reciprocal frame geometry. Within this computational framework, joint analysis, fabrication, and assembly were monitored and adjusted to meet limiting factors. An industrial robot was implemented as a bridge between the computational model and the physical construction. This paper presents a number of novel computational and robotic fabrication techniques in designing, cutting, and positioning. These techniques were explored through the robotic fabrication and assembly of a demonstrator - a double-curved reciprocal frame wall.
keywords	Robotic Fabrication; Reciprocal Frame; Prototyping
series	eCAADe
email
last changed	2022/06/07 07:57

_id	ecaade2020_398
id	ecaade2020_398
authors	Menashe, Omri, Peters, Brady and Sain, Mohini
year	2020
title	Cellulosic Architecture
doi	https://doi.org/10.52842/conf.ecaade.2020.1.593
source	Werner, L and Koering, D (eds.), Anthropologic: Architecture and Fabrication in the cognitive age - Proceedings of the 38th eCAADe Conference - Volume 1, TU Berlin, Berlin, Germany, 16-18 September 2020, pp. 593-600
summary	Humanity is currently facing an environmental crisis driven by our reliance on fossil fuels and our indiscriminate use of global resources. To address this we investigate the development of a sustainable new material, nano-cellulose. Nano-fibrillated Cellulose (NFC) is a highly renewable material processed from wood fibres. In this research we present a new method for processing renewable Nano-fibrillated Cellulose into a bulk material. Presently, traditional wood fibre is utilized extensively; it is used in the production of paper, clothing, and buildings. This research asks if wood fibre could be utilized in applications that go beyond its traditional uses? Using an iterative approach, the research reveals the challenges of working directly in the processing and production of nano-fibrillated cellulose, a high-performance bio-polymer requiring no adhesives and no petrochemicals as a finished product. The paper presents these experiments and discusses the feasibility for using nano-cellulose in building products.
keywords	Nano-fibrillated Cellulose, Bio-Polymers; Lightweight Architectural Structures, Structural Hierarchy, Material Processing; High Performance Biodegradable
series	eCAADe
email
last changed	2022/06/07 07:58

_id	acadia20_574
id	acadia20_574
authors	Nguyen, John; Peters, Brady
year	2020
title	Computational Fluid Dynamics in Building Design Practice
doi	https://doi.org/10.52842/conf.acadia.2020.1.574
source	ACADIA 2020: Distributed Proximities / Volume I: Technical Papers [Proceedings of the 40th Annual Conference of the Association of Computer Aided Design in Architecture (ACADIA) ISBN 978-0-578-95213-0]. Online and Global. 24-30 October 2020. edited by B. Slocum, V. Ago, S. Doyle, A. Marcus, M. Yablonina, and M. del Campo. 574-583.
summary	This paper provides a state-of-the-art of computational fluid dynamics (CFD) in the building industry. Two methods were used to find this new knowledge: a series of interviews with leading architecture, engineering, and software professionals; and a series of tests in which CFD software was evaluated using comparable criteria. The paper reports findings in technology, workflows, projects, current unmet needs, and future directions. In buildings, airflow is fundamental for heating and cooling, as well as occupant comfort and productivity. Despite its importance, the design of airflow systems is outside the realm of much of architectural design practice; but with advances in digital tools, it is now possible for architects to integrate air flow into their building design workflows (Peters and Peters 2018). As Chen (2009) states, “In order to regulate the indoor air parameters, it is essential to have suitable tools to predict ventilation performance in buildings.” By enabling scientific data to be conveyed in a visual process that provides useful analytical information to designers (Hartog and Koutamanis 2000), computer performance simulations have opened up new territories for design “by introducing environments in which we can manipulate and observe” (Kaijima et al. 2013). Beyond comfort and productivity, in recent months it has emerged that air flow may also be a matter of life and death. With the current global pandemic of SARS-CoV-2, it is indoor environments where infections most often happen (Qian et al. 2020). To design architecture in a post-COVID-19 environment will require an in-depth understanding of how air flows through space.
series	ACADIA
type	paper
email
last changed	2023/10/22 12:06

_id	ecaade2020_393
id	ecaade2020_393
authors	Peters, Brady, Lappalainen, Benjamin and Fiori, Alexandra
year	2020
title	Auralizing Acoustic Architecture - A Multi-channel Ambisonic Listening Room for Architectural Design
doi	https://doi.org/10.52842/conf.ecaade.2020.1.161
source	Werner, L and Koering, D (eds.), Anthropologic: Architecture and Fabrication in the cognitive age - Proceedings of the 38th eCAADe Conference - Volume 1, TU Berlin, Berlin, Germany, 16-18 September 2020, pp. 161-168
summary	There is a need for architectural design tools that enable designers to understand how spaces sound. This project aims to develop a method by which architects can gain experiential acoustic feedback on existing and proposed projects through the use of ambisonic spatial auralization. This research proposes that the creation of a fully three-dimensional soundfield can be a tool for architectural acoustic design. The use of ambisonics has largely been limited to virtual reality applications; however, with the growing support in a variety of popular software, opportunities for using spatial audio as a design tool are beginning to make themselves apparent. This paper reports on an experimental setup for a 12-channel, speaker-based auralization system that plays recorded and simulated ambisonic tracks. Novel uses for this setup are proposed.
keywords	Architectural Acoustics; Acoustic Simulation; Auralization; Ambisonics
series	eCAADe
email
last changed	2022/06/07 08:00

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