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Academic Articles & Research Papers
Showing 20 of 579 academic articles
Shabir Ahmad, Salma Haque, Khalid Ali Khan, Nabil Mlaiki • Fractal and Fractional
(2023)
In this study, we analyze the transmission of the COVID-19 model by using a piecewise operator in the classical Caputo sense. The existence along with the uniqueness of the solution of the COVID-19 model under a piecewise derivative is pres...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/fractalfract7070501
Ingo Steinbach • Modelling and Simulation in Materials Science and Engineering
(2009)
The phase-field method is reviewed against its historical and theoretical background. Starting from Van der Waals considerations on the structure of interfaces in materials the concept of the phase-field method is developed along historical...
OPENALEX
DOI: https://doi.org/10.1088/0965-0393/17/7/073001
Eva Barreira, Vasco P. de Freitas • Advances in Materials Science and Engineering
(2014)
External Thermal Insulation Composite Systems (ETICS) are often used in Europe. Despite its thermal advantages, low cost, and ease of application, this system has serious problems of biological growth causing the cladding defacement. Recent...
DOAJ
Open Access (DOAJ)
DOI: 10.1155/2014/650752
ZHU Hongye, WANG Xiaoxu, LYU Jixiang, HAO Shulei • Xi'an Gongcheng Daxue xuebao
(2025)
To study the influence of edge effects on the resin filling flow pattern in the RTM process of composite materials, the finite element software PAM-RTM was used to simulate and analyze the impregnation process of the blade preforms in RTM.B...
DOAJ
Open Access (DOAJ)
DOI: 10.13338/j.issn.1674-649x.2025.04.002
Sepideh Parvizpour, Jafar Razmara, Mohammad M. Pourseif, Yadollah Omidi • BioImpacts
(2019)
Introduction: Triple-negative breast cancer (TNBC) is an important subtype of breast cancer, which occurs in the absence of estrogen, progesterone and HER-2 receptors. According to the recent studies, TNBC may be a cancer testis antigen (CT...
DOAJ
Open Access (DOAJ)
DOI: 10.15171/bi.2019.06
S. Umira, R. Qadri, Z.A. Bangi, M. Tariq Banday et al. • Журнал нано- та електронної фізики
(2017)
The Quantum effects instigate to dominate device recital when transistor geometries are abridged. Sometimes, transistors refrain to have the properties that mark them beneficial for computational designs. With the intention of keeping pace ...
DOAJ
Open Access (DOAJ)
DOI: 10.21272/jnep.9(3).03034
Sardar Ali, Firasat Hussain, Tehmeena Nousheen, Kashif Rahim et al. • Frontiers in Microbiology
(2025)
IntroductionMultidrug-resistant urinary tract pathogens, primarily Klebsiella pneumoniae and Pseudomonas aeruginosa, represent a significant and growing public health challenge. The overuse of antibiotics has accelerated the development of ...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fmicb.2025.1704938
Pankaj Singh, Sung-Yoon Jung • IEEE Access
(2022)
Nanomachines are submicrometer-scale devices led by nanotechnology that can perform simple sensing, local actuation, limited data processing, storage, and communication tasks in the terahertz (THz) band, that is, from $\mathrm {0.1~}$ - $...
DOAJ
Open Access (DOAJ)
DOI: 10.1109/ACCESS.2022.3204044
C. J. Harris, Kayhan Gültekin, Laura Blecha • The Astrophysical Journal
(2026)
We present a multimessenger investigation of supermassive black hole binary (SBHB) hardening by jointly comparing models to the observed stellar mass deficits of nearby core galaxies and to nanohertz gravitational-wave background measuremen...
DOAJ
Open Access (DOAJ)
DOI: 10.3847/1538-4357/ae9767
Hui Liu, Bo Zhao, Linquan Huang • Entropy
(2019)
The paper proposes a lossless quantum image encryption scheme based on substitution tables (S-box) scrambling, mutation operation and general Arnold transform with keys. First, the key generator builds upon the foundation of SHA-256 hash wi...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e21040343
Sihan Xiong, Yiwei Fu, Asok Ray • Entropy
(2018)
This paper presents a nonparametric regression model of categorical time series in the setting of conditional tensor factorization and Bayes network. The underlying algorithms are developed to provide a flexible and parsimonious representat...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e20060396
Wei Zhang, Christof Schütte • Entropy
(2017)
Many interesting rare events in molecular systems, like ligand association, protein folding or conformational changes, occur on timescales that often are not accessible by direct numerical simulation. Therefore, rare event approximation app...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e19070367
Jeremiah D. Paul, Richard M. Plotkin • The Astrophysical Journal
(2026)
The origin of core radio emission in radio-quiet active galactic nuclei (AGNs) is still actively debated. General-relativistic magnetohydrodynamics simulations often predict the launching of moderately large-scale jets from super-Eddington ...
DOAJ
Open Access (DOAJ)
DOI: 10.3847/1538-4357/ae36a6
Yanpeng Zhang, Wenjie Dong, Jing Zhang, Qun Ding • Entropy
(2023)
Most existing chaotic systems have many drawbacks in engineering applications, such as the discontinuous range of chaotic parameters, weak chaotic properties, uneven chaotic sequence outputs, and dynamic degradation. Therefore, based on the...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/e25071005
Sumi Kim, Ena Choi, Amanda C. N. Quirk, Rachel S. Somerville et al. • The Astrophysical Journal
(2025)
We investigate the influence of supernova (SN) feedback on the satellites of elliptical host galaxies using hydrodynamic simulations. Utilizing a modified version of the GADGET-3 code, we perform cosmological zoom-in simulations of 11 ellip...
DOAJ
Open Access (DOAJ)
DOI: 10.3847/1538-4357/adec96
Cano-González M., Schödel R., Alberdi A., Najarro F. et al. • Astronomy & Astrophysics
(2026)
Context. The Arches cluster, located in the Galactic Centre (GC) is one of the best astrophysical laboratories to study the properties of massive stars and young massive clusters (YMCs). However, despite having been observed for decades at ...
DOAJ
Open Access (DOAJ)
DOI: 10.1051/0004-6361/202660846
Chin-Chun Wu, Kan Liou, Brian E. Wood, Lynn Hutting • The Astrophysical Journal
(2024)
The propagation of interplanetary shocks, particularly those driven by coronal mass ejections (CMEs), is still an outstanding question in heliophysics and space weather forecasting. Here, we address the effects of the ambient solar wind on ...
DOAJ
Open Access (DOAJ)
DOI: 10.3847/1538-4357/ad88ee
Senbei Du, Merav Opher, Marc Kornbleuth • The Astrophysical Journal Letters
(2025)
The evolution of the velocity distribution of pickup ions is crucial for understanding the energetic neutral atom (ENA) fluxes observed by Interstellar Boundary Explorer. Pickup ions in the heliosheath contain two main components: those tra...
DOAJ
Open Access (DOAJ)
DOI: 10.3847/2041-8213/adbc9a
Adolf N. Witt, Geoffrey C. Clayton, B. T. Draine (2004)
Abstract. Currently ∼36 different absorption bands have been detected in the infrared spectra of cold, dense interstellar and circumstellar environments. These are attributed to the vibrational transitions of ∼17 different molecules frozen ...
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Peter H. Bodenheimer, Peter H. Bodenheimer, Gregory Laughlin, Gregory Laughlin et al. • CRC Press eBooks
(2006)
Numerical Methods in Astrophysics: An Introduction outlines various fundamental numerical methods that can solve gravitational dynamics, hydrodynamics, and radiation transport equations. This resource indicates which methods are most suitab...
OPENALEX
DOI: https://doi.org/10.1201/9781420011869