Results 21 to 30 of about 28,888,705 (209)

Extensive comparison of physical models for photovoltaic power forecasting

open access: yes, 2020
Forecasting the power production of grid-connected photovoltaic (PV) power plants is essential for both the profitability and the prospects of the technology.
M. J. Mayer, Gyula Gróf
semanticscholar   +1 more source

The publications of Ramon Margalef in Investigación Pesquera and Scientia Marina: The beginnings of marine ecology in the CSIC

open access: yesScientia Marina, 2020
Ramon Margalef López (1919-2004) was one of the most prominent scientists of the 20th century in the fields of limnology, oceanography and ecology. His contributions to theoretical ecology, which won him international recognition, were based on a great ...
Marta Estrada, Miquel Alcaraz
doaj   +1 more source

Collaborative Nested Sampling: Big Data versus Complex Physical Models [PDF]

open access: yesPublications of the Astronomical Society of the Pacific, 2017
The data torrent unleashed by current and upcoming astronomical surveys demands scalable analysis methods. Many machine learning approaches scale well, but separating the instrument measurement from the physical effects of interest, dealing with variable
J. Buchner
semanticscholar   +1 more source

Experimental and Simulation Studies on Water Discharge Coefficients of Rectangular Piano Key Weirs

open access: yesInternational Journal of Technology, 2022
The piano key weir (PKW) is a developed type of labyrinth spillway with the ability to transfer large amounts of discharge by keeping executive costs constant.
Vafa Rezaei   +3 more
doaj   +1 more source

Geometrical accuracy evaluation of an affordable 3D printing technology for spine physical models.

open access: yesJournal of clinical neuroscience, 2020
OBJECTIVE The aim of the study is to develop a workflow to establish geometrical quality criteria for 3D printed anatomical models as a guidance for selecting the most suitable 3D printing technologies available in a clinical environment.
P. Éltes   +9 more
semanticscholar   +1 more source

Recent Design Optimization Methods for Energy-Efficient Electric Motors and Derived Requirements for a New Improved Method—Part 1

open access: yesProceedings, 2018
Energy-efficient electric motors are gathering an increased attention since they are used in electric cars or to reduce operational costs, for instance.
Johannes Schmelcher   +4 more
doaj   +1 more source

A review on variable-order fractional differential equations: mathematical foundations, physical models, numerical methods and applications

open access: yesFractional Calculus and Applied Analysis, 2019
Variable-order (VO) fractional differential equations (FDEs) with a time (t), space (x) or other variables dependent order have been successfully applied to investigate time and/or space dependent dynamics.
Hongguang Sun   +3 more
semanticscholar   +1 more source

Models in physics [PDF]

open access: yes, 2018
In its most common use, the term ‘model’ refers to a simplified and stylised version of the so-called target system, the part or aspect of the world that we are interested in. For instance, in order to determine the orbit of a planet moving around the sun we model the planet and the sun as perfect homogenous spheres that gravitationally interact with ...
openaire   +1 more source

Transformers for modeling physical systems [PDF]

open access: yesNeural Networks, 2022
22 pages, 14 figures, 3 ...
Nicholas Geneva, Nicholas Zabaras
openaire   +3 more sources

On the use of 1g physical models for ground movements and soil-structure interaction problems

open access: yes, 2020
The paper focusses on the use of physical modelling in ground movements (induced by underground cavity collapse or mining/tunnelling) and associated soil-structure interaction issues.
M. Heib, F. Emeriault, H. Nghiem
semanticscholar   +1 more source

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