Results 111 to 120 of about 63,095 (231)

CFD‐Based and Control‐Oriented Modeling of a Counterflow Heat Exchanger With Utilization of Parameter Identification

open access: yesProceedings in Applied Mathematics and Mechanics, Volume 26, Issue 2, June 2026.
ABSTRACT Counterflow heat exchangers (CHXs) thermally couple consumers and producers to a district heating network (DHN). Fluctuating loads and control actions naturally lead to unsteady operation conditions of the network and its components, posing a challenge for DHN models and CHX parameterizations based on Nusselt correlations that assume steady ...
Marten Klein   +5 more
wiley   +1 more source

Application of Levenberg-Marquardt technique for electrical conducting fluid subjected to variable viscosity. [PDF]

open access: yesIndian J Phys Proc Indian Assoc Cultiv Sci (2004), 2022
Shah Z   +6 more
europepmc   +1 more source

Stabilizing Plasmodium falciparum proteins for small molecule drug discovery

open access: yesProtein Science, Volume 35, Issue 6, June 2026.
Abstract Early‐stage drug discovery relies on the availability of stable protein for reliable biophysical characterization of ligand binding. However, many Plasmodium falciparum proteins are challenging to produce in heterologous systems, which limits their experimental utility.
Marius Amann   +3 more
wiley   +1 more source

FilmQADose: Open‐source software for radiochromic film dosimetry

open access: yesJournal of Applied Clinical Medical Physics, Volume 27, Issue 5, May 2026.
Abstract Purpose FilmQADose is an open‐source, Python‐based software for radiochromic film dosimetry, designed to provide medical physicists with a freely available, extensible tool for two‐dimensional dose verification in radiotherapy. It covers the full film QA workflow, from calibration curve generation to plan‐to‐film comparison, targeting clinical
Eduardo Herrera‐Alba   +4 more
wiley   +1 more source

Parameters Identification for Lithium-Ion Battery Models Using the Levenberg–Marquardt Algorithm

open access: yesWorld Electric Vehicle Journal
The increasing adoption of batteries in a variety of applications has highlighted the necessity of accurate parameter identification and effective modeling, especially for lithium-ion batteries, which are preferred due to their high power and energy ...
Ashraf Alshawabkeh   +2 more
doaj   +1 more source

Impact of software tools and kinetic model selection on myocardial blood flow and flow reserve quantitation in 13N‐ammonia PET

open access: yesJournal of Applied Clinical Medical Physics, Volume 27, Issue 5, May 2026.
Abstract Background Quantitative assessment of myocardial perfusion using 13N‐ammonia PET with compartmental modeling enables evaluation of myocardial flow reserve (MFR) and prediction of patient prognosis. However, the reliability of these assessments can depend on the analytical methods used for quantitation.
Naochika Akiya   +13 more
wiley   +1 more source

An implementation of the partitioned Levenberg-Marquardt algorithm for applications in computer vision

open access: yesSemina: Ciências Exatas e Tecnológicas, 2009
At several applications of computer vision is necessary to estimate parameters for a specific model which best fits an experimental data set. For these cases, a minimization algorithm might be used and one of the most popular is the Levenberg ...
Tiago Polizer da Silva   +3 more
doaj  

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