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Multimodel GCM-RCM Ensemble-Based Projections of Temperature and Precipitation over West Africa for the Early 21st Century

I. Diallo, M. B. Sylla, F. Giorgi, A. T. Gaye et al. • International Journal of Geophysics (2012)

Reliable climate change scenarios are critical for West Africa, whose economy relies mostly on agriculture and, in this regard, multimodel ensembles are believed to provide the most robust climate change information. Toward this end, we ana...

DOAJ Open Access (DOAJ) DOI: 10.1155/2012/972896

Forward-Looking Geometric Configuration Optimization Design for Spaceborne-Airborne Multistatic Synthetic Aperture Radar

Deqing Mao, Yongchao Zhang, Jifang Pei, Weibo Huo et al. • IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (2021)

Spaceborne-airborne multistatic synthetic aperture radar (SA-MuSAR) has the ability to provide high-resolution forward-looking imagery for receivers, but it relies on careful design of the geometric configuration (GC). In this article, a fo...

DOAJ Open Access (DOAJ) DOI: 10.1109/JSTARS.2021.3103802

Assessing economic impacts of future GLOFs in Nepal's Everest region under different SSP scenarios using three-dimensional simulations

W. Furian, T. Sauter • Natural Hazards and Earth System Sciences (2025)

This study investigates simulated glacial lake outburst floods (GLOFs) at five glacial lakes in the Everest region of Nepal using the three-dimensional model OpenFOAM. It presents the evolution of GLOF characteristics in the 21st century co...

DOAJ Open Access (DOAJ) DOI: 10.5194/nhess-25-3779-2025

Air distribution to reduce nitrogen oxide emissions in the furnace of a boiler with tangential combustion scheme

Andrey V. Gil, Kirill I. Maltsev, Nikita V. Abramov, Stanislav A. Puzyrev et al. • Известия Томского политехнического университета: Инжиниринг георесурсов (2024)

Relevance. Determined by the importance of analyzing the combustion characteristics and factors affecting the emission of nitrogen oxides (NOx) in the furnace chamber of pulverized coal-fired power boiler unit when installing tertiary air n...

DOAJ Open Access (DOAJ) DOI: 10.18799/24131830/2024/12/4883

Underground Gas Storage Process Optimisation with Respect to Reservoir Parameters and Production Equipment

Vladislav Brkić, Ivan Zelenika, Petar Mijić, Igor Medved • Energies (2021)

The storage of natural gas in geological structures such as depleted fields, aquifers and salt caverns plays an important role in a gas supply system as it balances the fluctuation of gas demand and price. Hydraulic loss due to fluid flow t...

DOAJ Open Access (DOAJ) DOI: 10.3390/en14144324

Influence of valley topography on earth pressure of high-fill arch culvert

FENG Zhong-ju, WANG Si-qi, WANG Xi-qing, WANG Ze-guo et al. • Rock and Soil Mechanics (2023)

High-fill culverts placed in valley topography have a complex earth pressure distribution law due to their locations around culverts in various valley topography conditions. In order to investigate the influence of valley topography on the ...

DOAJ Open Access (DOAJ) DOI: 10.16285/j.rsm.2022.5297

Using a Cellular Automata-Markov Model to Reconstruct Spatial Land-Use Patterns in Zhenlai County, Northeast China

Yuanyuan Yang, Shuwen Zhang, Jiuchun Yang, Xiaoshi Xing et al. • Energies (2015)

Decadal to centennial land use and land cover change has been consistently singled out as a key element and an important driver of global environmental change, playing an essential role in balancing energy use. Understanding long-term human...

DOAJ Open Access (DOAJ) DOI: 10.3390/en8053882

Assessing the impact of forest structure disturbances on the arboreal movement and energetics of orangutans—An agent-based modeling approach

Kirana Widyastuti, Kirana Widyastuti, Romain Reuillon, Romain Reuillon et al. • Frontiers in Ecology and Evolution (2022)

Agent-based models have been developed and widely employed to assess the impact of disturbances or conservation management on animal habitat use, population development, and viability. However, the direct impacts of canopy disturbance on th...

DOAJ Open Access (DOAJ) DOI: 10.3389/fevo.2022.983337

Threshold dynamics of a delayed predator–prey model with impulse via the basic reproduction number

Xiangsen Liu, Binxiang Dai • Advances in Difference Equations (2018)

Abstract In this paper, we study a delayed predator–prey model with impulse and, in particular, the existence of the predator-free periodic solution. We employ the approach and techniques coming from epidemiology and calculate the basic rep...

DOAJ Open Access (DOAJ) DOI: 10.1186/s13662-018-1895-1

On mathematical modeling of fractional-order stochastic for tuberculosis transmission dynamics

C.W. Chukwu, E. Bonyah, M.L. Juga, Fatmawati • Results in Control and Optimization (2023)

Tuberculosis remains one of the most dangerous diseases globally and has affected many people in Sub-Saharan Africa. In this paper, a fractional stochastic model of tuberculosis disease was formulated and analyzed. The existence and uniquen...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.rico.2023.100238

Mathematical modeling of the COVID-19 pandemic with intervention strategies

Subhas Khajanchi, Kankan Sarkar, Jayanta Mondal, Kottakkaran Sooppy Nisar et al. • Results in Physics (2021)

Mathematical modeling plays an important role to better understand the disease dynamics and designing strategies to manage quickly spreading infectious diseases in lack of an effective vaccine or specific antivirals. During this period, for...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.rinp.2021.104285

A Novel Energy-Efficient Reception Method Based on Random Network Coding in Cooperative Wireless Sensor Networks

Yulun Cheng, Longxiang Yang • International Journal of Distributed Sensor Networks (2015)

This paper presents an opportunistic reception (OR) algorithm for energy-efficient transmission in cooperative wireless sensor networks (WSNs), where the characteristics of random linear network coding and the energy consumption property of...

DOAJ Open Access (DOAJ) DOI: 10.1155/2015/238386

Numerical Modal Analysis of Vibrations in a Three-Phase Linear Switched Reluctance Actuator

José Salvado, Maria do Rosário Calado, António Espírito Santo, Anna Guerman • Modelling and Simulation in Engineering (2017)

This paper addresses the problem of vibrations produced by switched reluctance actuators, focusing on the linear configuration of this type of machines, aiming at its characterization regarding the structural vibrations. The complexity of t...

DOAJ Open Access (DOAJ) DOI: 10.1155/2017/3258376

A Novel MRAC Scheme for Output Tracking

Tingting Tian, Xiaorong Hou, Fang Yan • Mathematics (2022)

This paper puts forward a novel output feedback model reference adaptive control (MRAC) scheme for solving an adaptive output tracking problem. The proposed control scheme only needs a scalar function to be updated online, which decreases t...

DOAJ Open Access (DOAJ) DOI: 10.3390/math10142384

Changing Movements in a Changing World: Modelling Early Pleistocene and Early Middle Pleistocene Climatic and Ecological Environments and Influences on Hominin Dispersal in Eurasia

Kamilla L. Lomborg, Carolina Cucart-Mora, Jan-Olaf Reschke, Christine Hertler et al. • Journal of Computer Applications in Archaeology (2026)

In a world of drastic climatic and ecological changes, our knowledge of how the environment influenced hominin behaviour is of the utmost importance. Archaeology plays a key role in this domain, as it is the only discipline that studies emp...

DOAJ Open Access (DOAJ) DOI: 10.5334/jcaa.212

The Effects of the Weak Allee Effect and Disease on the Dynamics of a Predator–Prey System: Stability and Bifurcation Properties

Yurong Dong, Hua Liu, Jianhua Ye, Gang Ma et al. • Axioms (2025)

In this paper, an eco-epidemiological model with a weak Allee effect and prey disease dynamics is discussed. Mathematical features such as non-negativity, boundedness of solutions, and local stability of the feasible equilibria are discusse...

DOAJ Open Access (DOAJ) DOI: 10.3390/axioms14070531