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Computation, Volume 11, Issue 8

August 2023 - 19 articles

Cover Story: A nonlinear finite element model is used to study masonry walls subjected to blast loads. Unilateral contact–friction interfaces provide the discrete failure between the blocks, while a continuum damage plasticity model provides the compressive and tensile failure of the blocks. Parametric studies have investigated the different collapse mechanisms as an effect of the blast load parameters and the static load of the wall. It has been shown that the traditional in-plane diagonal cracking failure mode may still dominate when a blast action is present, depending on the considered standoff distance and the blast weight when in-plane static loading is also applied. It has also been highlighted that the presence of an opening in the wall may significantly reduce the effect of the blasting action. View this paper
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Articles (19)

  • Article
  • Open Access
1 Citations
2,294 Views
16 Pages

Evolutionary PINN Learning Algorithms Inspired by Approximation to Pareto Front for Solving Ill-Posed Problems

  • Tatiana Lazovskaya,
  • Dmitriy Tarkhov,
  • Maria Chistyakova,
  • Egor Razumov,
  • Anna Sergeeva and
  • Tatiana Shemyakina

The article presents the development of new physics-informed evolutionary neural network learning algorithms. These algorithms aim to address the challenges of ill-posed problems by constructing a population close to the Pareto front. The study focus...

  • Article
  • Open Access
3 Citations
4,423 Views
22 Pages

A numerical investigation of masonry walls subjected to blast loads is presented in this article. A non-linear finite element model is proposed to describe the structural response of the walls. A unilateral contact–friction law is used in the i...

  • Article
  • Open Access
1,575 Views
12 Pages

Diffusion Kinetics Theory of Removal of Assemblies’ Surface Deposits with Flushing Oil

  • Michael Vigdorowitsch,
  • Valery V. Ostrikov,
  • Alexander N. Pchelintsev and
  • Irina Yu. Pchelintseva

The diffusion kinetics theory of cleaning assemblies such as combustion engines with flushing oil has been introduced. Evolution of tar deposits on the engine surfaces and in the lube system has been described through the erosion dynamics. The time-d...

  • Article
  • Open Access
4 Citations
3,018 Views
18 Pages

A quadrotor trajectory tracking problem is addressed via the design of a model reference adaptive control (MRAC) system. As for real-world applications, the entire quadrotor dynamics is typically unknown. To take that into account, we consider a plan...

  • Article
  • Open Access
3 Citations
1,832 Views
28 Pages

The Complexity of the Super Subdivision of Cycle-Related Graphs Using Block Matrices

  • Mohamed R. Zeen El Deen,
  • Walaa A. Aboamer and
  • Hamed M. El-Sherbiny

The complexity (number of spanning trees) in a finite graph Γ (network) is crucial. The quantity of spanning trees is a fundamental indicator for assessing the dependability of a network. The best and most dependable network is the one with the...

  • Article
  • Open Access
1,989 Views
13 Pages

Study on Optical Positioning Using Experimental Visible Light Communication System

  • Nikoleta Vitsi,
  • Argyris N. Stassinakis,
  • Nikolaos A. Androutsos,
  • George D. Roumelas,
  • George K. Varotsos,
  • Konstantinos Aidinis and
  • Hector E. Nistazakis

Visible light positioning systems (VLP) have attracted significant commercial and research interest because of the many advantages they possess over other applications such as radio frequency (RF) positioning systems. In this work, an experimental co...

  • Article
  • Open Access
1 Citations
1,975 Views
19 Pages

Analysis and 3D Imaging of Multidimensional Complex THz Fields and 3D Diagnostics Using 3D Visualization via Light Field

  • Michael Gerasimov,
  • Adnan Haj Yahya,
  • Vadim Patrick Nave,
  • Egor Dyunin,
  • Jacob Gerasimov and
  • Aharon Friedman

We present a numerical platform for 3D imaging and general analysis of multidimensional complex THz fields. A special 3D visualization is obtained by converting electromagnetic (EM) radiation to a light field via the Wigner distribution function, whi...

  • Article
  • Open Access
2 Citations
2,062 Views
11 Pages

Genomic Phylogeny Using the MaxwellTM Classifier Based on Burrows–Wheeler Transform

  • Jacques Demongeot,
  • Joël Gardes,
  • Christophe Maldivi,
  • Denis Boisset,
  • Kenza Boufama and
  • Imène Touzouti

Background: In present genomes, current relics of a circular RNA appear which could have played a central role as a primitive catalyst of the peptide genesis. Methods: Using a proximity measure to this circular RNA and the distance, a new unsupervise...

  • Article
  • Open Access
1,565 Views
19 Pages

The Reissner–Nordstrom spacetimes and some generalised Reissner–Nordstrom spacetimes are analysed. The blackhole solutions are considered. The generalised Reissner–Nordstrom spacetimes with a cosmological-constant term, endowed with...

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Computation - ISSN 2079-3197