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Mathematical and Computational Applications, Volume 28, Issue 4

2023 August - 14 articles

Cover Story: To determine buckling loads in cracked Euler–Bernoulli columns within a Winkler elastic medium, the utilized beam can be modelled as two continuous segments connected by a massless rotational spring at the cracked section, whose rotation discontinuity is proportional to the bending moment transmitted through this section. By solving the differential equations for the buckling behavior by considering the corresponding boundary conditions, as well as compatibility and jump conditions at the cracked section, the buckling load is calculated. These loads vary as a function of the support type, soil stiffness, crack position, and initial crack length. Comparison with existing partial approaches highlights the interaction between the parameters on the buckling loads. View this paper
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Articles (14)

  • Feature Paper
  • Article
  • Open Access
11 Citations
4,337 Views
37 Pages

FE2 Computations with Deep Neural Networks: Algorithmic Structure, Data Generation, and Implementation

  • Hamidreza Eivazi,
  • Jendrik-Alexander Tröger,
  • Stefan Wittek,
  • Stefan Hartmann and
  • Andreas Rausch

Multiscale FE2 computations enable the consideration of the micro-mechanical material structure in macroscopical simulations. However, these computations are very time-consuming because of numerous evaluations of a representative volume element, whic...

  • Article
  • Open Access
3 Citations
3,816 Views
16 Pages

A cerebral aneurysm is a medical condition where a cerebral artery can burst under adverse pressure conditions. A 20% mortality rate and additional 30 to 40% morbidity rate have been reported for patients suffering from the rupture of aneurysms. In a...

  • Article
  • Open Access
4 Citations
2,105 Views
17 Pages

Burn injuries are very common due to heat, accidents, and fire. Split-thickness skin grafting technique is majorly used to recover the burn sites. In this technique, the complete epidermis and partial dermis layer of the skin are used to make grafts....

  • Article
  • Open Access
6 Citations
3,522 Views
19 Pages

The main objective of this study is to find out the influences of cooperation and intra-specific competition in the prey population on escaping predation through refuge and the effect of the two intra-specific interactions on the dynamics of prey–pre...

  • Article
  • Open Access
3 Citations
2,501 Views
13 Pages

Buckling of Cracked Euler–Bernoulli Columns Embedded in a Winkler Elastic Medium

  • José Antonio Loya,
  • Carlos Santiuste,
  • Josué Aranda-Ruiz and
  • Ramón Zaera

This work analyses the buckling behaviour of cracked Euler–Bernoulli columns immersed in a Winkler elastic medium, obtaining their buckling loads. For this purpose, the beam is modelled as two segments connected in the cracked section by a mass...

  • Article
  • Open Access
1 Citations
2,030 Views
13 Pages

The negative multinomial distribution appears in many areas of applications such as polarimetric image processing and the analysis of longitudinal count data. In previous studies, general formulas for the falling factorial moments and cumulants of th...

  • Article
  • Open Access
1 Citations
1,795 Views
22 Pages

Exploration of solar irradiance can greatly assist in understanding how renewable energy can be better harnessed. It helps in establishing the solar irradiance climate in a particular region for effective and efficient harvesting of solar energy. Und...

  • Article
  • Open Access
4 Citations
2,747 Views
18 Pages

Thermal–Structural Linear Static Analysis of Functionally Graded Beams Using Reddy Beam Theory

  • Carlos Enrique Valencia Murillo,
  • Miguel Ernesto Gutierrez Rivera and
  • Luis David Celaya Garcia

In this work, a finite element model to perform the thermal–structural analysis of beams made of functionally graded material (FGM) is presented. The formulation is based on the third-order shear deformation theory. The constituents of the FGM...

  • Article
  • Open Access
41 Citations
3,989 Views
19 Pages

A New Sine Family of Generalized Distributions: Statistical Inference with Applications

  • SidAhmed Benchiha,
  • Laxmi Prasad Sapkota,
  • Aned Al Mutairi,
  • Vijay Kumar,
  • Rana H. Khashab,
  • Ahmed M. Gemeay,
  • Mohammed Elgarhy and
  • Said G. Nassr

In this article, we extensively study a family of distributions using the trigonometric function. We add an extra parameter to the sine transformation family and name it the alpha-sine-G family of distributions. Some important functional forms and pr...

  • Feature Paper
  • Article
  • Open Access
2 Citations
2,846 Views
27 Pages

This study investigates the strain and stress states in an aluminum single lap joint bonded with a functionally graded Al2O3 micro particle reinforced adhesive layer subjected to a uniform temperature field. Navier equations of elasticity theory were...

  • Article
  • Open Access
1 Citations
2,090 Views
12 Pages

Effect of Chrome and Vanadium on the Behavior of Hydrogen and Helium in Tungsten

  • Meicong Li,
  • Zheng Zhang,
  • Yangyang Li,
  • Qiang Zhao,
  • Mei Huang and
  • Xiaoping Ouyang

Tungsten is a promising material for nuclear fusion reactors, but its performance can be degraded by the accumulation of hydrogen (H) and helium (He) isotopes produced by nuclear reactions. This study investigates the effect of chrome (Cr) and vanadi...

  • Article
  • Open Access
5 Citations
2,151 Views
20 Pages

Vehicle Make and Model Recognition as an Open-Set Recognition Problem and New Class Discovery

  • Diana-Itzel Vázquez-Santiago,
  • Héctor-Gabriel Acosta-Mesa and
  • Efrén Mezura-Montes

One of the main limitations of traditional neural-network-based classifiers is the assumption that all query data are well represented within their training set. Unfortunately, in real-life scenarios, this is often not the case, and unknown class dat...

  • Article
  • Open Access
2,703 Views
12 Pages

Reflected partial differential equations (PDEs) have important applications in financial mathematics, stochastic control, physics, and engineering. This paper aims to present a numerical method for solving high-dimensional reflected PDEs. In fact, ov...

  • Article
  • Open Access
5 Citations
4,214 Views
16 Pages

The inverse finite element method is a technique that can be used for material model parameter characterization. The literature shows that this approach may get caught in the local minima of the design space. These local minimum solutions often fit t...

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Math. Comput. Appl. - ISSN 2297-8747