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Computation, Volume 10, Issue 6

June 2022 - 25 articles

Cover Story: The lattice Boltzmann method (LBM) is well-suited for parallelization on GPUs at peak efficiency. However, its high memory demand restrains lattice resolution on GPUs, where memory capacity is limited. In-place streaming—that is resolving data dependencies with only a single computational grid in memory instead of two—almost cuts memory demand in half, yet existing solutions are complicated and have never gained wide adoption. This study presents the simplest solution to in-place streaming in the form of the two new Esoteric Pull/Push schemes, which also offer faster performance. Their simplicity, when combined with a new memory compression technique, with little effort reduces LBM memory demand to 1/3 of what is usually required. View this paper
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Articles (25)

  • Article
  • Open Access
9 Citations
3,102 Views
24 Pages

A Multiobjective Variable Neighborhood Strategy Adaptive Search to Optimize the Dynamic EMS Location–Allocation Problem

  • Ponglert Sangkaphet,
  • Rapeepan Pitakaso,
  • Kanchana Sethanan,
  • Natthapong Nanthasamroeng,
  • Kiatisak Pranet,
  • Surajet Khonjun,
  • Thanatkij Srichok,
  • Sasitorn Kaewman and
  • Chutchai Kaewta

An aging society increases the demand for emergency services, such as EMS. The more often EMS is needed by patients, the more medical staff are needed. During the COVID-19 pandemic, the lack of medical staff became a critical issue. This research aim...

  • Article
  • Open Access
15 Citations
5,307 Views
17 Pages

The purpose of speech enhancement is to improve the quality of speech signals degraded by noise, reverberation, or other artifacts that can affect the intelligibility, automatic recognition, or other attributes involved in speech technologies and tel...

  • Article
  • Open Access
3 Citations
2,753 Views
18 Pages

Crack Identification in Cantilever Beam under Moving Load Using Change in Curvature Shapes

  • Nutthapong Kunla,
  • Thira Jearsiripongkul,
  • Suraparb Keawsawasvong and
  • Chanachai Thongchom

Cracks in structural components may ultimately lead to failure of the structure if not identified sufficiently early. This paper presents a crack-identification method based on time-domain. Captured time-domain data are processed into central differe...

  • Article
  • Open Access
3 Citations
3,094 Views
17 Pages

Model of Series-Parallel Photovoltaic Arrays Using Double-Diode Model and Parallel Computing

  • Juan David Bastidas-Rodríguez,
  • Carlos Andrés Ramos-Paja and
  • Sergio Ignacio Serna-Garcés

Several applications require to estimate the power production of photovoltaic (PV) systems under partial shading conditions. For example, dynamic reconfiguration of the array connections is needed to maximize the power production under partial shadin...

  • Article
  • Open Access
2 Citations
2,683 Views
15 Pages

Symmetry in nature is a result of biological self-organization, driven by evolutionary processes. Detected by the visual systems of various species, from invertebrates to primates, symmetry determines survival relevant choice behaviors and supports a...

  • Article
  • Open Access
5 Citations
4,087 Views
16 Pages

Swarm robotics finds inspiration in nature to model behaviors, such as the use of pheromone principles. Pheromones provide an indirect and decentralized communication scheme that have shown positive experimental results. Real implementations of phero...

  • Feature Paper
  • Article
  • Open Access
117 Citations
6,466 Views
12 Pages

The fractional differential equations involving different types of fractional derivatives are currently used in many fields of science and engineering. Therefore, the first purpose of this study is to investigate the qualitative properties including...

  • Review
  • Open Access
7 Citations
3,620 Views
24 Pages

Pattern Recognition for Human Diseases Classification in Spectral Analysis

  • Nur Hasshima Hasbi,
  • Abdullah Bade,
  • Fuei Pien Chee and
  • Muhammad Izzuddin Rumaling

Pattern recognition is a multidisciplinary area that received more scientific attraction during this period of rapid technological innovation. Today, many real issues and scenarios require pattern recognition to aid in the faster resolution of compli...

  • Review
  • Open Access
7 Citations
4,916 Views
18 Pages

The strong and functional couplings among ecological, economic, social, and technological processes explain the complexification of human-made systems, and phenomena such as globalization, climate change, the increased urbanization and inequality of...

  • Article
  • Open Access
4 Citations
6,423 Views
21 Pages

Modelling the Thermal Effects on Structural Components of Composite Slabs under Fire Conditions

  • Carlos Balsa,
  • Matheus Silveira,
  • Valerian Mange and
  • Paulo A. G. Piloto

This paper presents a finite-element-based computational model to evaluate the thermal behaviour of composite slabs with a steel deck submitted to standard fire exposure. This computational model is used to estimate the temperatures in the slab compo...

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Computation - ISSN 2079-3197Creative Common CC BY license