Results 21 to 30 of about 2,334,757 (288)

Application of the material point method in the modeling of arching effects behind retaining walls with active movements [PDF]

open access: yesNumerical Methods in Civil Engineering, 2023
Numerical modeling of problems with large deformations is one of the main challenges in computational mechanics. Conventional numerical approaches cannot accurately model large deformations.
Akbar Rouzkhosh   +2 more
doaj   +1 more source

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

open access: yesЛитьë 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   +2 more
doaj   +1 more source

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

open access: yesMathematics, 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   +5 more
doaj   +1 more source

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

open access: yesInventions
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   +8 more
doaj   +1 more source

Geographical and temporal weighted regression (GTWR) [PDF]

open access: yes, 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   +39 more
core   +1 more source

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

open access: yesUnconventional 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   +9 more
doaj   +1 more source

Physical aggression, compromised social support, and 10-year marital outcomes: Testing a relational spillover model [PDF]

open access: yes, 2015
The purpose of the present study was to test a relational spillover model of physical aggression whereby physical aggression affects marital outcomes due to its effects on how spouses ask for and provide support to one another. Newlywed couples (n = 172)
Bradbury, Thomas N.   +3 more
core   +2 more sources

Evolution of Pneumatic Tsunami Simulators–From Concept to Proven Experimental Technique

open access: yesFrontiers in Built Environment, 2021
This paper describes the evolution through three generations of pneumatic Tsunami Simulators for physical model tests of realistic tsunami. The pneumatic method, originally developed for tidal modeling in the Fifties, has been modernized to generate ...
Ian Chandler   +3 more
doaj   +1 more source

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

open access: yesUnconventional 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   +8 more
doaj   +1 more source

A Rewriting-Logic-Based Technique for Modeling Thermal Systems

open access: yes, 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   +21 more
core   +2 more sources

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