Results 21 to 30 of about 1,805 (133)

Methods for Calculating Empires in Quasicrystals

Crystals, 2017
This paper reviews the empire problem for quasiperiodic tilings and the existing methods for generating the empires of the vertex configurations in quasicrystals, while introducing a new and more efficient method based on the cut-and-project technique ...
Fang Fang, Dugan Hammock, Klee Irwin
doaj   +1 more source

Non-Local Game of Life in 2D Quasicrystals

Crystals, 2018
On a two-dimensional quasicrystal, a Penrose tiling, we simulate for the first time a game of life dynamics governed by non-local rules. Quasicrystals have inherently non-local order since any local patch, the emperor, forces the existence of a large ...
Fang Fang, Sinziana Paduroiu, Dugan Hammock, Klee Irwin   +3 more
doaj   +1 more source

CFD analysis and experimental comparison of novel roof tile shapes

Propulsion and Power Research, 2017
In tiled pitched roofs, a ventilated layer reduces the heat transfer between tiles and roof structure by means of natural and forced convection, thereby also reducing the cooling energy requirement.
Michele Bottarelli, Giovanni Zannoni, Marco Bortoloni, Richard Allen, Nigel Cherry   +4 more
doaj   +1 more source

Ambiente térmico no interior de modelos de galpões avícolas em escala reduzida com ventilação natural e artificial dos telhados Thermal environment inside models of poultry housings in reduced scale with natural and artificial ventilated roofs

Engenharia Agrícola, 2005
O presente trabalho teve o objetivo de avaliar o ambiente térmico no interior de modelos físicos de galpões avícolas construídos em escala reduzida (1:10). O conforto térmico foi avaliado por meio do Índice de Temperatura do Globo Negro e Umidade (ITGU),
Pedro A. dos Santos, Tadayuki Yanagi Junior, Vitor H Teixeira, Leandro Ferreira   +3 more
doaj   +1 more source

Cooling Effectiveness of a Data Center Room under Overhead Airflow via Entropy Generation Assessment in Transient Scenarios

Entropy, 2019
Forecasting data center cooling demand remains a primary thermal management challenge in an increasingly larger global energy-consuming industry. This paper proposes a dynamic modeling approach to evaluate two different strategies for delivering cold air
Luis Silva-Llanca, Marcelo del Valle, Alfonso Ortega, Andrés J. Díaz   +3 more
doaj   +1 more source

Direct Atomic Force Microscopy Observation of DNA Tile Crystal Growth at the Single-Molecule Level [PDF]

Journal of the American Chemical Society, 2012
While the theoretical implications of models of DNA tile self-assembly have been extensively researched and such models have been used to design DNA tile systems for use in experiments, there has been little research testing the fundamental assumptions of those models.
Evans, Constantine G., Hariadi, Rizal F., Winfree, Erik   +2 more
openaire   +3 more sources

Fuglede's conjecture holds on cyclic groups $\mathbb{Z}_{pqr}$

Discrete Analysis, 2019
Fuglede's conjecture holds on cyclic groups $\mathbb{Z}_{pqr}$, Discrete Analysis 2019:14, 14 pp. A conjecture of Fuglede from 1974 states that a measurable set $E\subset \mathbb R^n$ of positive Lebesgue measure has a set of translates that tile ...
Ruxi Shi
doaj   +1 more source

Design and development of a double-edged trenching machine for reusable wood composite material tiles

ITEGAM-JETIA
The industrial sector has undergone significant advancements in recent years, adopting efficient and state-of-the-art technologies that have reduced waste production and improved product quality and production efficiency. The wood cutting industry is no
Badri Narayan Mohapatra, Yash Lokhande, Rajwardhan Patil   +2 more
doaj   +1 more source

General Computation using Slidable Tiles with Deterministic Global Forces

CoRR
Full version of paper in Proceedings of the 17th Innovations in Theoretical Computer Science (ITCS)
Avila-Jimenez, Alberto, Barreda, David, Evans, Sarah-Laurie, Luchsinger, Austin, Massie, Aiden, Schweller, Robert, Tomai, Evan, Wylie, Tim   +7 more
openaire   +3 more sources

Periodicity of joint co-tiles in $\mathbb{Z}^d$

Discrete Analysis
Periodicity of joint co-tiles in $\mathbb{Z}^d$, Discrete Analysis 2024:13, 32 pp. A finite subset, or *tile*, $F$ of an abelian group $G$ is said to *tile $G$ by translations* if there there is some complementary set, or *co-tile*, $A$ of $G$ such that
Tom Meyerovitch, Shrey Sanadhya, Yaar Solomon   +2 more
doaj   +1 more source