Results 21 to 30 of about 890,387 (196)

Determination of structural composite elements strength through the use of the refined plastic‐hinge method [PDF]

open access: yes, 2017
O presente trabalho tem como finalidade implementar e avaliar uma estratégia generalizada baseada no método da compatibilidade de deformações (MCD) para a obtenção das curvas de resistência e de início de plastificação de estruturas mistas de aço e ...
Lemes, Í.J.M.   +3 more
core   +3 more sources

La Scala Graduum Caloris de Newton. Una simulación numérica

open access: yesAsclepio: Revista de Historia de la Medicina y de la Ciencia, 2021
Sir Isaac Newton, en la Scala graduum Caloris, publicada en 1701, presentaba una escala “con el grado de calor” de los cuerpos que extendía las medidas muy por encima de los valores disponibles en la época.
Julián Simón Calero
doaj   +1 more source

Studying human–nature relationships through a network lens: A systematic review

open access: yesPeople and Nature, Volume 2, Issue 4, Page 1100-1116, December 2020., 2020
Abstract Understanding the complex interlinkages between humans and nature is crucial for developing strategies to effectively manage natural resources and to enhance resilience of social–ecological systems (SES). Network analysis bears great potential to advance such comprehension of SESs because it allows for identifying and analysing direct and ...
Lotta C. Kluger   +5 more
wiley   +1 more source

Outcomes of obstructed abdominal wall hernia: results from the UK national small bowel obstruction audit

open access: yesBJS Open, Volume 4, Issue 5, Page 924-934, October 2020., 2020
This study shows that small bowel obstruction due to abdominal wall hernia is common, typically involves a co‐morbid group of patients and has poor outcomes, including high mortality rates. High mortality from this problem Background Abdominal wall hernia is a common surgical condition.
National Audit of Small Bowel Obstruction Steering Group and National Audit of Small Bowel Obstruction Collaborators   +538 more
wiley   +1 more source

Evaluation of appendicitis risk prediction models in adults with suspected appendicitis

open access: yesBJS (British Journal of Surgery), Volume 107, Issue 1, Page 73-86, January 2020., 2020
Women in the UK had a disproportionate risk of admission without surgical intervention and had high rates of normal appendicectomy. Risk prediction models to support shared decision‐making were identified by identifying UK adults at low risk of appendicitis. An online calculator is available (http://appy‐risk.org).
A. Bhangu   +2030 more
wiley   +1 more source

Cálculo de Autovalores via Métodos tipo Newton

open access: yesTrends in Computational and Applied Mathematics, 2004
Neste trabalho, desenvolve-se uma análise numérica de alguns métodos de decomposição parcial do espectro de uma matriz, mostrando a relação desses métodos com o método de Newton para calcular zeros de funções.
L.H. Bezerra
doaj   +1 more source

Newton and Leibniz on Non-substantival Space [PDF]

open access: yes, 2005
The aim of this paper is to analyze Leibniz and Newton’s conception of space, and to point out where their agreements and disagreements lie with respect to its mode of existence.
Cassini, Alejandro
core   +4 more sources

Generación de fractales a partir del método de Newton

open access: yesModelling in Science Education and Learning, 2013
A large number of fractals known, as Julia fractals and Mandelbrot, can be generated from an iterative method. In this paper we present a virtual laboratory developed as a Graphical User Interface (GUI) of Matlab that allows us to study and visualize in ...
María José Marín   +2 more
doaj   +1 more source

ANÁLISE E APLICAÇÃO DO MÉTODO DE NEWTON-RAPHSON NA DETERMINAÇÃO DOS PARÂMETROS DO CIRCUITO EQUIVALENTE DE CÉLULAS SOLARES

open access: yesRevista Mundi Engenharia Tecnologia e Gestão (ISSN 2525-4782)
Neste estudo, foi avaliado o método de Newton-Raphson para a determinação dos parâmetros do circuito equivalente de células solares, particularmente no contexto do modelo de diodo único composto por cinco parâmetros.
L. F. B. Martins
semanticscholar   +1 more source

Solución simultánea de las ecuaciones gobernanates del problema termo-elastohidrodinámico de contacto lineal [PDF]

open access: yes, 1998
Un modelo unidimensional del problema termo-elastohidrodinámico de contacto lineal se resuelve numéricamente usando el método de elementos finitos. El sistema de ecuaciones resultante es fuertemente no lineal y se resuelve en forma simultánea mediante ...
Di Paolo, José
core   +4 more sources

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