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Dynamics, Volume 5, Issue 3

2025 September - 17 articles

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Articles (17)

  • Article
  • Open Access
807 Views
22 Pages

13 September 2025

Chemical synaptic coupling is crucial in the nervous system. This paper establishes a chemical synaptic Chay neuronal coupling system using the Heaviside function and analyzes the equilibrium point’s type and stability based on the Jacobian mat...

  • Article
  • Open Access
1,176 Views
11 Pages

8 September 2025

The Fluctuation Theorem establishes a relationship between microscopic reversibility and macroscopic irreversible phenomena, such as dissipation. In this short paper, we present an elementary derivation of this theorem within the framework of stochas...

  • Article
  • Open Access
2 Citations
1,071 Views
17 Pages

Coupled Nonlinear Dynamic Modeling and Experimental Investigation of Gear Transmission Error for Enhanced Fault Diagnosis in Single-Stage Spur Gear Systems

  • Vhahangwele Colleen Sigonde,
  • Desejo Filipeson Sozinando,
  • Bernard Xavier Tchomeni and
  • Alfayo Anyika Alugongo

4 September 2025

Gear transmission error (GTE) is a critical factor influencing the performance and service life of gear systems, as it directly contributes to vibration, noise generation, and premature wear. The present study introduces a combined theoretical and ex...

  • Systematic Review
  • Open Access
1,218 Views
26 Pages

Constructal Design Method Applied to Wave Energy Converters: A Systematic Literature Review

  • Maria Eduarda F. Capponero,
  • Giovani D. Telli,
  • Elizaldo D. dos Santos,
  • Liércio A. Isoldi,
  • Mateus das Neves Gomes,
  • Cesare Biserni and
  • Luiz Alberto O. Rocha

1 September 2025

The energy potential of sea waves has gained relevance, leading to extensive research on converters. The present work analyzes the contribution of Constructal Design to the development of wave energy converters. Constructal Design utilizes performanc...

  • Article
  • Open Access
787 Views
17 Pages

1 September 2025

Currently, D-fructose (DF) is produced through enzymatic isomerization of beta-D-glucose (DG) under disadvantageous conditions (equilibrium conversion of 50%, costly separation, etc.). Alternatively, the two-step Cetus enzymatic process became a prom...

  • Article
  • Open Access
1,317 Views
16 Pages

28 August 2025

Miller’s rule originated as an empirical relation between the nonlinear and linear optical coefficients of materials. It is now accepted as a useful tool for guiding experiments and computational materials discovery, but its theoretical foundat...

  • Article
  • Open Access
695 Views
24 Pages

The Use of Gas Dynamics to Estimate the Influence of Flanges on Gear Windage Power Loss

  • Thibaut Torres,
  • Yasser Diab,
  • Christophe Changenet,
  • Thomas Touret and
  • Bérengère Guilbert

14 August 2025

This study aims to develop a new model for windage losses, building upon existing formulation, complemented by dedicated experimental campaigns and a specific methodology designed to isolate and quantify windage losses. The model relies on an analyti...

  • Article
  • Open Access
911 Views
15 Pages

14 August 2025

The high-dimensional chaos generated in a neural network consisting of pseudo-neuron devices invented by one of the authors (S.N.) has been successfully applied to control the complex motion of a roving robot, e.g., to solve a maze, as reported in th...

  • Article
  • Open Access
687 Views
19 Pages

We derive a new exactly solvable multi-component system of non-linear evolution equations (NLEEs). The system consists of three 1+1-dimensional evolution equations—one first-order and two second-order in the spatial variable. We review their La...

  • Article
  • Open Access
744 Views
19 Pages

This work systematically addresses the dual challenges of non-inertial dynamic coupling and kinematic constraint redundancy encountered in dynamic modeling of serial–parallel–serial hybrid robotic mechanisms, and proposes an improved Newt...

  • Article
  • Open Access
2,668 Views
21 Pages

Aerodynamic Optimization and Thermal Deformation Effects on Mid-Altitude Sounding Rockets: A Computational and Structural Analysis

  • Aslam Abdullah,
  • Mohd Fadhli Zulkafli,
  • Muhammad Akmal Abdul Halim,
  • Ramanathan Ashwin Thanneermalai and
  • Bambang Basuno

Mid-altitude sounding rockets are essential for atmospheric research and suborbital experimentation, where aerodynamic optimization and structural integrity are crucial for achieving targeted apogees. This study uses OpenRocket v23.09 for preliminary...

  • Article
  • Open Access
1,422 Views
28 Pages

We advance a mathematical framework for collective conviction by deriving a continuum theory from the network-based model introduced by us recently. The resulting equation governs the evolution of belief through a degenerate anisotropic logistic&ndas...

  • Article
  • Open Access
1 Citations
857 Views
19 Pages

Coherent States of the Conformable Quantum Oscillator

  • Cresus Fonseca de Lima Godinho,
  • Claudio Maia Porto,
  • Marcos Cardoso Rodriguez and
  • Ion Vasile Vancea

The recently proposed conformable deformation of quantum mechanics by a fractional parameter α(0,1] has been used to construct a conformable quantum harmonic oscillator, which coincides with the standard quantum oscillator at α=1. W...

  • Article
  • Open Access
3 Citations
929 Views
11 Pages

Waveguide Arrays: Interaction to Many Neighbors

  • Marco A. Tapia-Valerdi,
  • Irán Ramos-Prieto,
  • Francisco Soto-Eguibar and
  • Héctor M. Moya-Cessa

We present an analytical framework for describing light propagation in infinite waveguide arrays, incorporating a generalized long-range coupling to achieve a more realistic model. We demonstrate that the resulting solution can be expressed in terms...

  • Article
  • Open Access
767 Views
15 Pages

A Combined Separation of Variables and Fractional Power Series Approach for Selected Boundary Value Problems

  • Gabriel Antonio Felipe,
  • Carlos Alberto Valentim and
  • Sergio Adriani David

Fractional modeling has emerged as an important resource for describing complex phenomena and systems exhibiting non-local behavior or memory effects, finding increasing application in several areas in physics and engineering. This study presents the...

  • Article
  • Open Access
2 Citations
1,940 Views
29 Pages

This research explores how RC columns respond to blast-induced dynamic effects, with a novel focus on partially submerged scenarios, bridging a gap between air blast and underwater explosion (UNDEX) research. Using advanced finite element modeling in...

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Dynamics - ISSN 2673-8716