Dynamic Modeling
Mostrando 1-12 de 403 artigos, teses e dissertações.
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1. Mathematical Modeling of the Film Influence on the Salting Time of Mozzarella Cheese in a Static and Dynamic System: Application of Artificial Neural Networks of the Multilayer Perceptron Type
The NaCl and KCl diffusion in the film formed on the cheese surface during salting was simulated by the finite element method. The time and salts concentration values on the cheese surface were determined, tabulated, and presented to the multilayer perceptron neural network (MLP) for the regression modeling. The samples were divided into 70, 15 and 15% for t
Journal of the Brazilian Chemical Society. Publicado em: 2022
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2. Dynamic Systems with Fractional Derivatives Applied to Interagent Populations Problems
ABSTRACT The present work has as main objective to investigate the use of fractional calculus in the modeling of epidemic outbreaks of interacting populations. In particular, we propose a generalization of the SIR model with fractional derivatives to describe the dynamics of the COVID-19 epidemic outbreak in two cities with interacting populations. In specia
Trends in Computational and Applied Mathematics. Publicado em: 2022
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3. Faith-based intervention, change of religiosity, and abstinence of substance addicts
Objective: To investigate the effects of developing religiosity on abstinence of substance abuse among recovering addicts in a faith-based and a secular-based treatment program. Methods: Religiosity of recovering addicts was measured using the 38-item Brief Multidimensional Measure of Religiousness/Spirituality at three points in time: at initiation of subs
Brazilian Journal of Psychiatry. Publicado em: 2022
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4. THE INFLUENCE OF THE FILM FORMED ON THE PRATO CHEESE SURFACE DURING THE NACL AND KCL SALTING PROCESS: APPLICATION OF THE FINITE ELEMENT METHOD AND NEURAL NETWORKS OF THE SELF-ORGANIZING MAP (SOM) AND MULTILAYER PERCEPTRON (MLP) TYPES
Sodium chloride is used in the cheese salting process as it promotes sensory changes and food preservation. However, in excess can cause hypertension problems, and for this reason, it has been partially replaced by potassium chloride. In the present work, Prato cheese was subjected to joint diffusion of NaCl and KCl by immersion in static and stirred brine.
Química Nova. Publicado em: 2022
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5. Dynamic anisotropy and non-linear geostatistics supporting short term modelling of structurally complex gold mineralization
Abstract Non-linear geostatistical methods are known to deal appropriately with the geological and geometrical complexity of gold deposits. This article reports the results related to an investigation to improve the gold content estimate based on restricted ore modeling to honor the structural aspects that control the mineralization. The grade domains are de
REM, Int. Eng. J.. Publicado em: 2021-06
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6. Application of self-organizing maps to evaluate the influence and behavior of the film formed during salting of Prato cheese
Abstract Problems related to high blood pressure have led consumers to choose foods with low levels of sodium chloride, and an alternative to reduce the salt content of this salt is its partial replacement with KCl. In order to not affect the sensory properties of cheese, salting was performed using a solution containing 70% of NaCl and 30% of KCl in a stati
Food Sci. Technol. Publicado em: 2020-12
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7. Optimization of shells modeled using NURBS subjected to a dynamic loading condition
Abstract This study presents an optimization method for the thickness of shell elements subjected to dynamic loads. Structural analyses were carried out using the finite element method. The analyzed domains were modeled using NURBS, and meshes were generated using a transformation of the parametric domain into the geometric domain via a geometric function. T
REM, Int. Eng. J.. Publicado em: 2020-03
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8. Professionalism in the Training of Medical Specialists: an Integrative Literature Review
RESUMO Introdução O constructo profissionalismo vem, cada vez mais, sendo reconhecido como importante componente da educação médica, sendo fundamental na atuação do médico na sociedade. Objetivo Reunir de forma sucinta e sistematizada as informações disponíveis nas produções científicas sobre o conceito de profissionalismo médico e sua apl
Rev. bras. educ. med.. Publicado em: 13/01/2020
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9. Ecological niche modeling of Schinus molle reveals the risk of invasive species expansion into biodiversity hotspots
Abstract: Invasive species need a closer look on the threats they may cause to the environment, mainly considering the scenario of climatic changes predicted for the next decades. Schinus molle is a pioneer tree native from South America, reported as an important invasive species in four continents. Using ecological niche modeling we show that a wide area ov
An. Acad. Bras. Ciênc.. Publicado em: 28/11/2019
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10. Application of statistical analysis to improve time management of a process modeling project
Resumo Este trabalho decorreu de um termo de cooperação firmado entre a Universidade de Brasília (UnB) e uma organização de segurança, cujo objetivo foi o mapeamento de seus processos logísticos, realizado com o intuito de amparar a modernização de um sistema de controle gerencial de materiais. O projeto foi gerenciado num formato dinâmico, mediant
Gest. Prod.. Publicado em: 17/10/2019
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11. Modelagem no ensino de Física via produção de stop motion, com o computador Raspberry Pi
Resumo Neste trabalho apresentamos um aparato de baixo custo para produção de animações quadro a quadro (stop motion) como ferramenta didática no ensino da Física. Dedicado à captura e exibição de stop motions, o aparato é construído com o computador Raspberry Pi e conta com uma interface que permite ao aluno um manuseio simplificado e reproduçã
Rev. Bras. Ensino Fís.. Publicado em: 09/09/2019
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12. Adaptive Filtration of Parameters of the UAV Movement Based on the TDOA-Measurement Sensor Networks
ABSTRACT: In modern conditions unmanned aerial vehicles (UAVs) generate new classes of threats, including their use for terrorist purposes. A feature of modern UAVs is the ability to perform sudden maneuvers and to keep the same position in the point in space. For the description of the UAV movement with various types of maneuver it is used a rectangular coo
J. Aerosp. Technol. Manag.. Publicado em: 26/08/2019