964 resultados para Interface Design
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Firefly Algorithm is a recent swarm intelligence method, inspired by the social behavior of fireflies, based on their flashing and attraction characteristics [1, 2]. In this paper, we analyze the implementation of a dynamic penalty approach combined with the Firefly algorithm for solving constrained global optimization problems. In order to assess the applicability and performance of the proposed method, some benchmark problems from engineering design optimization are considered.
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Dissertação de mestrado em Design e Marketing
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Dissertação de mestrado em Design e Marketing
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Dissertação de mestrado em Engenharia Mecatrónica
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The present study proposes a dynamic constitutive material interface model that includes non-associated flow rule and high strain rate effects, implemented in the finite element code ABAQUS as a user subroutine. First, the model capability is validated with numerical simulations of unreinforced block work masonry walls subjected to low velocity impact. The results obtained are compared with field test data and good agreement is found. Subsequently, a comprehensive parametric analysis is accomplished with different joint tensile strengths and cohesion, and wall thickness to evaluate the effect of the parameter variations on the impact response of masonry walls.
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ABSTRACTIn the Amazon, river navigation is very important due to the length of navigable rivers and the lack of alternative road networks. Boats usually operate in unfavorable conditions, since there is no hydrodynamic relation among propellers, geometry, and the dimensions of the boat hull. Currently, there is no methodology for propeller hydrodynamic optimization with low computational cost and easy implementation in the region. The aim of this work was to develop a mathematical approach for marine propeller design applied to boats typically found on Amazon rivers. We developed an optimized formulation for the chord and pitch angle distributions, taking into account the classical model of Glauert. A theoretical analysis for the thrust and torque relationships on an annular control volume was performed. The mathematical model used was based on the Blade Element Momentum Theory (BEMT). We concluded that the new methodology proposed in this work demonstrates a good physical behavior when compared with the theory of Glauert and the experimental data of the Wageningen B3-50 propeller.
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Dissertação de mestrado integrado em Engenharia Eletrónica Industrial e de Computadores
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Linguagem da Ciência e a problematização na área da Cibercultura: O objecto de estudos científico; conceitos e teoria; Conceitos principais; A validade dos conceitos; Metodologia e técnicas sociológicas; Fontes da pesquisa; Agenda da pesquisa; Metodologias Sociológicas clássicas e emergentes; Métodos e técnicas de pesquisa sobre a Cibercultura; Exemplo de um projeto de investigação: a Comunicação Pública da Arte em museus físicos e virtuais.
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Architectural design is often associated with aesthetics and style, but it is also very important to building performance and sustainability. There are some studies associating architectural design to the choice for materials from sustainable sources, to indoor air quality, to energy efficiency and productivity. This article takes a step further to analyse how the use of efficient interior design techniques can impact the habitable space in order to improve building sustainability in land use. Smart interior design, a current trend related to the use of efficient and flexible furniture and movable walls in tiny or compact apartments, is analysed. A building with a standard design is used as a case study reference building and compared to a proposed theoretical design alternative using smart interior design techniques. In order to correctly assess sustainability performance, a quantifiable and verified method is used. Results showed that the use of smart interior design techniques can greatly reduce buildingsâ impact on the environment.
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Introdução: informação, conteúdos, saberes: Os conteúdos digitais; Projeto 1: A vida quotidiana dos infonautas; Netiquette; Produção e consumo cultural na sociedade da informação; Cibercultura e vida académica; Media studies e new media studies; Diversas áreas de pesquisa; Proliferação de questões; Reflexividade dos especialistas do saber prático; A falência das antigas certezas. Estética digital: Sean Cubbit: Digital Aesthetics; Computação estética; Natureza da arte digital; Interfaces; o iPhone e iPad; o Windows 8; Design da interação digital; Luvas de realidade virtual; Inputs diretos da eletricidade cerebral; o Sistema de interação com múltiplas interfaces.
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This Special Issue gathers selected contributions from the 1st Congress on Food Structure Design, covering most of the topics described above.
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Dissertação de mestrado em Engenharia Mecatrónica
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Dissertação de mestrado integrado em Engenharia de Materiais
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The paper reflects the work of COST Action TU1403 Workgroup 3/Task group 1. The aim is to identify research needs from a review of the state of the art of three aspects related to adaptive façade systems: (1) dynamic performance requirements; (2) façade design under stochastic boundary conditions and (3) experiences with adaptive façade systems and market needs.