Browsing by Author "Liu, Yu-Tung"

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Defining digital architecture : 2001 Far East International Digital Architectural Design Award
(Birkhauser, 2002)
Liu, Yu-Tung
Effects of the Grain Size on Dynamic Capillary Pressure and the Modified Green-Ampt Model for Infiltration
(2018-01-01)
Tsai, Yi-Zhih
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Liu, Yu-Tung
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Wang, Yung-Li
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Chang, Liang-Cheng
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Hsu, Shao-Yiu
Darcy-scale capillary pressure is traditionally assumed to be constant. By contrast, a considerable gap exists between the measured and equilibrium capillary pressures when the same moisture saturation is considered with a high flow rate, and this gap is called the dynamic effect on the capillary pressure. In this study, downward infiltration experiments of sand columns are performed to measure cumulative infiltration and to calculate the wetting front depth and wetting front velocity in sands with different grain sizes. We estimate the equilibrium capillary pressure head or suction head at the wetting front using both the classical Green-Ampt (GAM) and modified Green-Ampt (MGAM) models. The results show that the performance of MGAM in simulating downward infiltration is superior to that of GAM. Moreover, because GAM neglects the dynamic effect, it systematically underestimates the equilibrium suction head in our experiments. We also find that the model parameters (alpha) over cap and beta of MGAM are affected by the grain size of sands and porosity, and the dynamic effect of the capillary pressure increases with decreasing grain size and increasing porosity.
Future home design: an emotional communication channel approach to smart space
(2013-08-01)
Huang, Yu-Chun
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Wu, Kuan-Ying
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Liu, Yu-Tung
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建築研究所
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Institude of Architecture
Smart spaces use human-computer interfaces (HCIs) to improve how humans experience their surroundings. However, HCIs are sometimes less user-friendly and intuitive than their traditional counterparts. Our research aims to use every-day objects to create communication channels between spaces and people, which can then strengthen interpersonal emotional relationships through a natural and unobtrusive interface. This study explores how using simpler instruments such as a whiskey glass, a table, and an MP3 player to interact with a dwelling improves user experience in a HCI-equipped smart space. We implemented a real smart space-the Time Home Pub, which not only adjusts the environmental atmosphere (such as background lighting, music, and photos) in response to human activities but also encourages a better connection between humans, their memories, and physical space. Time Home Pub was exhibited at the Taipei Fine Arts Museum in 2007 for the topic of Architecture of Tomorrow. Preliminary evaluations by visitors demonstrate the satisfactory feasibility of the system and how a smart space could change and improve human experiences through the use of new technology and architectural design elements.
PRELIMINARY TECTONIC PHENOMENA OF DIVERSIFIED ARCHITECTURAL SPATIAL FORMS IN DIGITAL AGE
(2010-01-01)
Chen, Zi-Ru
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Wang, Chung-Yang
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Hung, Pei-Chien
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Liu, Yu-Tung
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建築研究所
The research on tectonics in the architectural field began from the middle of nineteenth century and in recent twenty years digital technology gradually developed and permeated through the field of architecture. Liu and Lim (2006, 2009) integrated classic and digital tectonic factors a present framework of new tectonics. However, the previous studies related to the tectonics in this digital age were only on architectural cases that use a great deal of digital media. The research wants to know what and how the tectonic factors affect the different spatial forms of modern architecture and focused on a case study of the diversified spatial forms, orthogonal, folding and curving. The results show the classic tectonic thinking is imperative until now. It is critical to prove the significance of adding the new digital tectonic factors in digital age.
Restructuring shapes : design cognition and computation
(Proctor Publications, 1998)
Liu, Yu-Tung