Results 21 to 30 of about 2,350,673 (316)

Geographical and temporal weighted regression (GTWR) [PDF]

, 2015
Both space and time are fundamental in human activities as well as in various physical processes. Spatiotemporal analysis and modeling has long been a major concern of geographical information science (GIScience), environmental science, hydrology ...
Andrienko, Artelaris, Atkinson, Bitter, Brunsdon, Brunsdon, Brunsdon, Buyantuyev, Chen, Comber, Crespo, Cressie, Cressie, Demšar, Elhorst, Fotheringham, Fotheringham, Fotheringham, Gelfand, Giacinto, Goodchild, Harris, Huang, Hägerstrand, Kwan, Kwan, Malczewskia, Mennis, Nakaya, Nakaya, Pace, Pace, Rey, Takahashi, Tobler, Wheeler, Wrenn, Wu, Wu, Yu   +39 more
core   +1 more source

Top-Down Behavioral Modeling Methodology of a Piezoelectric Microgenerator For Integrated Power Harvesting Systems [PDF]

, 2008
In this study, we developed a top/down methodology for behavioral and structural modeling of multi-domain microsystems. Then, we validated this methodology through a study case : a piezoelectric microgenerator.
Basrour, S., Boussetta, Hela, Marzencki, M.   +2 more
core   +3 more sources

Computer Vision Algorithm for Characterization of a Turbulent Gas–Liquid Jet

Inventions
A computer vision algorithm to determine the parameters of a two-phase turbulent jet of a water-gas mixture traveling at a velocity in the range of 5–10 m/s was developed in order to evaluate the hydrodynamic efficiency of mass exchange apparatuses in ...
Ilya Starodumov, Sergey Sokolov, Pavel Mikushin, Margarita Nikishina, Timofey Mityashin, Ksenia Makhaeva, Felix Blyakhman, Dmitrii Chernushkin, Irina Nizovtseva   +8 more
doaj   +1 more source

Preface

Mathematical Biosciences and Engineering, 2010
A new A/H1N1 influenza virus strain was officially reported/identified in Mexico City on April 13 2009 and over a period of two-weeks the WHO pandemic alert was moved from level 3 to level 5. By May 2, a total of 141 cases had been confirmed in 19 states
Carlos Castillo-Chavez, Gerardo Chowell
doaj   +1 more source

Method of physical simulation of macro processes of solidification of castings on transparent models and liquids.

Литьë и металлургия, 2021
The technique of physical modeling of macro processes of solidification of castings on transparent models and liquids has been developed. The model liquids may be water with different salt contents.
E. I. Marukovich, V. Yu. Stetsenko, A. V. Stetsenko   +2 more
doaj   +1 more source

A Rewriting-Logic-Based Technique for Modeling Thermal Systems

, 2010
This paper presents a rewriting-logic-based modeling and analysis technique for physical systems, with focus on thermal systems. The contributions of this paper can be summarized as follows: (i) providing a framework for modeling and executing physical ...
Daniela Lepri, E. Lien, E. Villani, E.A. Lee, Erika Ábrahám, J. Meseguer, J.D. Hoffman, J.P. Bentley, K. Sen, M. Clavel, M. Katelman, Muhammad Fadlisyah, N. Kumar, P. C. Ölveczky, P. C. Ölveczky, P. C. Ölveczky, P. C. Ölveczky, P. E. Wellstead, P. Fritzson, Peter Csaba Ölveczky, Peter Csaba Ölveczky, T.A. Henzinger   +21 more
core   +2 more sources

Accurate parameter identification of solar cells and photovoltaic modules under real conditions using a new Differential Evolution approach

Unconventional Resources
The global shift towards solar energy has intensified the need for advanced research on high-efficiency photovoltaic (PV) systems. Accurate extraction of PV parameters from current-voltage curves is critical for precise simulation, evaluation, and ...
Driss Saadaoui, Mustapha Elyaqouti, Imade Choulli, Ismail Abazine, Abdelfattah Elhammoudy, Souad Lidighbi, Dris Ben Hmamou, Brahim Ydir, El Hanafi Arjdal, Khalid Assalaou   +9 more
doaj   +1 more source

A New Approach for Approximate Solution of ADE: Physical-Based Modeling of Carriers in Doping Region

Mathematics, 2021
The electric behavior in semiconductor devices is the result of the electric carriers’ injection and evacuation in the low doping region, N-. The carrier’s dynamic is determined by the ambipolar diffusion equation (ADE), which involves the main physical ...
Leobardo Hernandez-Gonzalez, Jazmin Ramirez-Hernandez, Oswaldo Ulises Juarez-Sandoval, Miguel Angel Olivares-Robles, Ramon Blanco Sanchez, Rosario del Pilar Gibert Delgado   +5 more
doaj   +1 more source

Predicting Students’ Physical Activity and Health-Related Well-Being: A Prospective Cross-Domain Investigation of Motivation Across School Physical Education and Exercise Settings \ud [PDF]

, 2012
A three-wave prospective design was used to assess a model of motivation guided by self-determination theory (Ryan & Deci, 2008) spanning the contexts of school physical education (PE) and exercise.
Gillison, Fiona B, Ntoumanis, Nikos, Standage, Martyn, Treasure, Darren C   +3 more
core   +1 more source

Optimization of PV parameters under varied environmental conditions: A hybrid secant–Newton-Raphson method

Unconventional Resources
Photovoltaic (PV) systems play a crucial role in renewable energy production, and accurate parameter estimation is essential for modeling and performance analysis. In this paper, a hybrid method combining the secant and Newton-Raphson methods is employed
Brahim El Fahmi, Driss Saadaoui, Imade Choulli, Khalid Assalaou, Ismail Abazine, Mustapha Elyaqouti, El hanafi Arjdal, Mohammed Agdam, Yassine El aidi Idrissi   +8 more
doaj   +1 more source