Mathematical Modelling And Simulation
Mostrando 1-12 de 45 artigos, teses e dissertações.
-
1. Mathematical modelling of vector-borne diseases and insecticide resistance evolution
Abstract Background: Vector-borne diseases are important public health issues and, consequently, in silico models that simulate them can be useful. The susceptible-infected-recovered (SIR) model simulates the population dynamics of an epidemic and can be easily adapted to vector-borne diseases, whereas the Hardy-Weinberg model simulates allele frequencies a
J. Venom. Anim. Toxins incl. Trop. Dis. Publicado em: 08/02/2018
-
2. Investigation on the Effects of Process Parameters on Laser Percussion Drilling Using Finite Element Methodology; Statistical Modelling and Optimization
Abstract In the present research, the simulation of the Nickel-base superalloy Inconel 718 fiber-laser drilling process with the thickness of 1mm is investigated through the Finite Element Method. In order to specify the appropriate Gaussian distribution of laser beam, the results of an experimental research on glass laser drilling were simulated using three
Lat. Am. j. solids struct.. Publicado em: 2017-03
-
3. ANAEROBIC MODELING FOR IMPROVING SYNERGY AND ROBUSTNESS OF A MANURE CO-DIGESTION PROCESS
Abstract Biogas production is becoming increasingly important in the environmental area because, besides treating wastewaters, it also generates energy. Co-digestion has become more and more powerful since it is possible, with the use of abundant and cheap substrates, to dilute the inhibitory effects of various other substrates, making the process of anaerob
Braz. J. Chem. Eng.. Publicado em: 2016-12
-
4. Modelling and Simulation of the Santa Rita Mine Milling Circuit
Abstract The Santa Rita Mine, located in the State of Bahia, was the first Mirabela Mineração operation in Brazil. Started in 2009, the nickel sulphide processing plant has undergone constant modifications, aiming to adapt to the changes in the ore. Main modifications included autogenous grinding converted to semi-autogenous, as well as the installation of
Rem: Rev. Esc. Minas. Publicado em: 2016-06
-
5. Dynamic analysis and vibration control of a multi-body system using MSC Adams
AbstractIn this paper, modelling and simulation of a multi-body system for its vibration control using sensors and actuators is presented. The model developed on MSC ADAMS consists of six legs connecting moving and base plates using spherical joints with axial rotation of legs constrained. It contains linear actuator collocated with force sensor. Mathematica
Lat. Am. j. solids struct.. Publicado em: 2015-08
-
6. Modelagem estatística de extremos espaciais com base em processos max-stable aplicados a dados meteorológicos no estado do Paraná / Statistical modelling of spatial extremes based on max-stable processes applied to environmental data in the Parana State
The most mathematical models developed for rare events are based on probabilistic models for extremes. Although the tools for statistical modeling of univariate and multivariate extremes are well-developed, the extension of these tools to model spatial extremes data is currently a very active area of research. Modeling of maximum values under the spatial dom
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 09/08/2012
-
7. Integrating Ridge-type regularization in fuzzy nonlinear regression
In this paper, we deal with the ridge-type estimator for fuzzy nonlinear regression models using fuzzy numbers and Gaussian basis functions. Shrinkage regularization methods are used in linear and nonlinear regression models to yield consistent estimators. Here, we propose a weighted ridge penalty on a fuzzy nonlinear regression model, then select the number
Comput. Appl. Math.. Publicado em: 2012
-
8. Modelagem cinética e simulação de processo de produção de frutooligossacarídeos por frutosiltransferase de Rhodotorula sp. livre e imobilizada / : Kinetic modelling and process simulation of fructooligosaccharides production by free and immobilized fructosyltransferase of Rhodotorula sp
Os frutooligossacarídeos são considerados prebióticos, uma vez que promovem seletivamente o crescimento de micro-organismos probióticos como Lactobacillus acidophillus e Bifidobacterium bifidus. Novas enzimas, na forma livre ou imobilizada, representam uma das possibilidades para síntese destes compostos. Neste trabalho procedeu-se ao estudo da modelage
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 10/12/2010
-
9. Dispersão de poluente em sistema de reservatorio : modelagem matematica e simulação computacional utilizando-se aproximação numerica e conjuntos fuzzy / Pollutant dispersion in reservoir s systems : mathematical modelling using numerical simulation and fuzzy sets
O presente trabalho propõe um método para o estudo da dispersão de poluente num sistema de reservatório, via Modelagem Matemática dos fenômenos principais envolvidos na análise deste tipo de situação. Na modelagem, a opção foi pela clássica Equação Diferencial Parcial de Difusão- Advecção com parâmetros fuzzy reunindo, portanto, aspectos de
Publicado em: 2009
-
10. Mathematical models for numerical simulations of environmental impact scenarios in the Balsas River / Modelagens matematicas para simulações computacionais de impacto ambiental no Rio Balsas
Worldwide, the growing concern with environmental problems has happened quite rapidly, with special emphasis, in many cases, as regards sweet water resources; humanity has acted as if such resources were endless, and today the situation has changed into a very diferent reality. In this general picture, this work proposes the modelling of the evolutive behavi
Publicado em: 2009
-
11. Numerical Simulation of Accidental Explosions in Offshore Production Plant
The production of oil and gas is an inherently hazardous task. Therefore it is crucial to provide reliable estimates of the risks involved. The major contributors to the risk level of an offshore installation, for example, arise from accidents involving explosion and fire. Computational Fluid Dynamics (CFD) can be a powerful tool to help with the calculation
Publicado em: 2009
-
12. Macroalgal populations under the influence of pollution at Sepetiba Bay, RJ, Brazil : mathematical modelling, numerical analysis and computational simulation / Influencia de poluentes sobre macroalgas na Baia de Sepetiba, RJ : modelagem matematica, analise numerica e simulações computacioonais
Este trabalho se constitui numa ferramenta que possibilita melhor avaliar, através de simulações computacionais, como a poluição pode afetar (ou vir a afetar) populações de macroalgas que interagem, também, entre si num importante ecossistema marinho localizado próximo à região metropolitana do Rio de Janeiro, a baía de Sepetiba. Com base no rela
Publicado em: 2009