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Computation, Volume 12, Issue 10

October 2024 - 18 articles

Cover Story: This article provides an in-depth evaluation of a massively parallel Direct Simulation Monte Carlo (DSMC) kernel called SPARTA (Stochastic Parallel Rarefied-Gas Time-Accurate Analyzer). This study focuses on the fundamentals of applying DSMC methods in rarefied hypersonic flows, which are crucial for understanding high-altitude aerospace applications. The evaluation emphasizes the scalability, accuracy, and computational performance of SPARTA, a critical tool for advanced simulations in rarefied gas dynamics. This research lays the groundwork for improving simulation techniques in aerospace engineering and high-speed vehicle design. View this paper
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Articles (18)

  • Article
  • Open Access
4 Citations
3,011 Views
18 Pages

This paper proposes a facial expression recognition network called the Lightweight Facial Network with Spatial Bias (LFNSB). The LFNSB model effectively balances model complexity and recognition accuracy. It has two key components: a lightweight feat...

  • Article
  • Open Access
1 Citations
1,396 Views
21 Pages

Solving the Problem of Fuzzy Partition-Distribution with Determination of the Location of Subset Centers

  • Anatoly Bulat,
  • Elena Kiseleva,
  • Sergiy Yakovlev,
  • Olga Prytomanova and
  • Danylo Lebediev

A large number of real-world problems from various fields of human activity can be reduced to optimal partitioning-allocation problems with the purpose of minimizing the partitioning quality criterion. A typical representative of such problem is an i...

  • Article
  • Open Access
1 Citations
2,735 Views
24 Pages

The Direct Simulation Monte Carlo (DSMC) method, introduced by Graeme Bird over five decades ago, has become a crucial statistical particle-based technique for simulating low-density gas flows. Its widespread acceptance stems from rigorous validation...

  • Article
  • Open Access
8 Citations
1,342 Views
17 Pages

A New Investigation on Dynamics of the Fractional Lengyel-Epstein Model: Finite Time Stability and Finite Time Synchronization

  • Hani Mahmoud Almimi,
  • Ma’mon Abu Hammad,
  • Ghadeer Farraj,
  • Issam Bendib and
  • Adel Ouannas

30 September 2024

In this paper, we present an investigation into the stability of equilibrium points and synchronization within a finite time frame for fractional-order Lengyel–Epstein reaction-diffusion systems. Initially, we utilize Lyapunov theory and multip...

  • Article
  • Open Access
1 Citations
1,358 Views
11 Pages

30 September 2024

In this paper, for spatially distributed systems, we propose a new method of model predictive control with spatio-temporal logic specifications. We formulate the finite-time control problem with specifications described by SSTLf (signal spatio-tempor...

  • Article
  • Open Access
977 Views
12 Pages

27 September 2024

This paper considers two models of queuing with a varying structure based on the introduction of additional transient intensities into known models or their combinations, which create stationary distributions convenient for calculation. In the first...

  • Article
  • Open Access
2 Citations
3,213 Views
20 Pages

Dynamics of Blood Flows in the Cardiocirculatory System

  • Maria Pia D’Arienzo and
  • Luigi Rarità

25 September 2024

Models and simulations of blood flow in vascular networks are useful to deepen knowledge of cardiovascular diseases. This paper considers a model based on partial differential equations that mimic the dynamics of vascular networks in terms of flow ve...

  • Article
  • Open Access
3,673 Views
16 Pages

Computational Modeling of the Coffee Consumer Experience and Its Impact on the Sustainability of the Regional Industry in Peru

  • Emma Verónica Ramos Farroñán,
  • Marco Agustín Arbulu-Ballesteros,
  • Nancy Mercedes Soto Deza,
  • Sandra Elizabeth Pagador Flores and
  • Karla Paola Agurto Ruiz

24 September 2024

This study addresses the significant social value of understanding consumer experiences in the coffee market, which is crucial for enhancing local economic sustainability and consumer satisfaction in the cities of Piura, Trujillo, and Chiclayo in Per...

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Computation - ISSN 2079-3197Creative Common CC BY license