Shape Approximation
Mostrando 1-12 de 37 artigos, teses e dissertações.
-
1. High-Frequency Induction Heating of Al-Si-Cu-Mg aluminum alloy in Thixoforming
Thixoforming is the process of shaping near net shape metal components in a semisolid state. The process consists of preparing feedstock, reheating and shaping. Reheating the billet is the most critical step in thixoforming. Induction heating requires precise temperature control to obtain globular microstructure and prevent process defects, such as insuffici
Mat. Res.. Publicado em: 28/10/2019
-
2. A Interpretação do Supremo Tribunal Federal para as Anistias Políticas Concedidas ao Longo do Período Republicano Brasileiro
Resumo O presente estudo analisa as correlações existentes entre as condições da política nacional e a jurisprudência do Supremo Tribunal Federal que versa sobre anistia política. Neste artigo serão debatidos o militarismo e as características da política nacional como elementos conformadores da interpretação realizada pelo Supremo Tribunal Feder
Sequência (Florianópolis). Publicado em: 03/06/2019
-
3. New hybrid approach for free vibration and stability analyses of axially functionally graded Euler-Bernoulli beams with variable cross-section resting on uniform Winkler-Pasternak foundation
Abstract In this paper, a new hybrid approach is presented based on the combination of the power series expansions and the Rayleigh-Ritz method for stability and free vibration analyses of axially functionally graded non-uniform beams resting on constant Winkler-Pasternak elastic foundation. In the proposed novel technique, the power series approximation is
Lat. Am. j. solids struct.. Publicado em: 08/04/2019
-
4. Identification and management of inverted or everted edges of traumatic tympanic membrane perforations
Resumo Introdução: A maioria das perfurações de membrana timpânica traumáticas apresenta bordas invertidas ou evertidas; no entanto, os efeitos dessas configurações sobre a cicatrização espontânea do tímpano continuam a ser uma questão controversa. Objetivo: Investigar a influência de bordas invertidas ou evertidas sobre a cicatrização espo
Braz. j. otorhinolaryngol.. Publicado em: 2019-02
-
5. Analysis of Geometrically Nonlinear Vibrations of Functionally Graded Shallow Shells of a Complex Shape
Abstract Geometrically nonlinear vibrations of functionally graded shallow shells of complex planform are studied. The paper deals with a power-law distribution of the volume fraction of ceramics and metal through the thickness. The analysis is performed with the use of the R-functions theory and variational Ritz method. Moreover, the Bubnov-Galerkin and the
Lat. Am. j. solids struct.. Publicado em: 2017-09
-
6. Multidisciplinary Design Optimization of UAV Under Uncertainty
ABSTRACT: Uncertainty-based multidisciplinary design optimization considers probabilistic variables and parameters and provides an approach to account for sources of uncertainty in design optimization. The aim of this study was to apply a decoupling uncertainty-based multidisciplinary design optimization method without any dependence on probability mathemati
J. Aerosp. Technol. Manag.. Publicado em: 2017-06
-
7. Fatores que contribuem para preocupação com a imagem corporal de estudantes universitárias
Resumo: Objetivo: Estimar a contribuição de variáveis sociodemográficas, laborais e do índice de massa corporal para a preocupação com a imagem corporal. Métodos: Para estimar a preocupação com a imagem corporal foram utilizadas as escalas Body Shape Questionnaire (BSQ) e Weight Concerns Scale (WCS)Foi realizada análise fatorial confirmatória
Rev. bras. epidemiol.. Publicado em: 2015-12
-
8. Preocupação com a forma do corpo de graduandos de Farmácia-Bioquímica
Objetivo Identificar a preocupação com a forma do corpo de estudantes de Farmácia-Bioquímica e sua relação com variáveis sociais e laborais e com o estado nutricional. Métodos Participaram 346 discentes com média de idade de 20,2 (DP = 2,4) anos, sendo 278 (80,3%) do sexo feminino. Utilizou-se o Body Shape Questionnaire (BSQ). As validades fatorial
J. bras. psiquiatr.. Publicado em: 2015-03
-
9. Structural dynamic analysis for time response of bars and trusses using the generalized finite element method
The Generalized Finite Element Method (GFEM) can be viewed as an extension of the Finite Element Method (FEM) where the approximation space is enriched by shape functions appropriately chosen. Many applications of the GFEM can be found in literature, mostly when some information about the solution is known a priori. This paper presents the application of the
Lat. Am. j. solids struct.. Publicado em: 2012-06
-
10. Vibroacustografia na avaliação tridimensional de artroplastia total de quadril / Vibro-acoustography in the tridimensional evaluation of total hip arthroplasty
Vibro-acoustography (VA) is a high lateral resolution (<0.7 mm), speckle-free, non- ionizing and non-invasive image based on the nonlinear combination phenomenon of ultrasound waves (MHz) that generates a narrow focus region of low frequency (kHz). In this work, we propose a VA-based tridimensional evaluation of the exposed area of implants, after total hip
Publicado em: 2011
-
11. Excavation analysis of tunnels with lining using the boundary element method / Análise de escavações de túneis com revestimento utilizando o método dos elementos de contorno
In this work, an isoparametric boundary element method (BEM) formulation with approximation of any order was developed to the analysis of stiffened two-based on local stiffness corrections, which are made using an additional integral written in terms of initial stresses, applied over the areas close to stiffeners. Besides the usual displacement integral equa
Publicado em: 2010
-
12. Implementação da rotina de unfolding para determinação de distribuição de tamanho de grãos esféricos via distribuição de interceptos lineares e de área de seção
Na unfolding method of linear intercept distributions and secction área distribution was implemented for structures with spherical grains. Although the unfolding routine depends on the grain shape, structures with spheroidal grains can also be treated by this routine. Grains of non-spheroidal shape can be treated only as approximation. A software was develo
Publicado em: 2009