Centro de Ciências Exatas e de Tecnologia - CCET: Recent submissions
Itens para a visualização no momento 641-660 of 7258
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Classificação preditiva de fases para ligas multicomponentes CrCoFeMnNi utilizando machine learning
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 16/02/2023)When we refer to multicomponent alloys, or high entropy alloys as they are commonly called, it is inevitable to discuss the challenge of exploring new compositions that may be of scientific interest. This difficulty is ... -
Cálculo da energia de falha de empilhamento através da teoria do funcional da densidade
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 24/03/2023)Due to the large number of possible compositions, multicomponent alloys present a wide spectrum of properties, especially mechanical, when compared to traditional ones. In this context, the use of methods that allow knowing ... -
Materiais compósitos de matriz polimérica na indústria aeronáutica e perspectiva crítica de potencialidade: polímeros com memória de forma
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 24/03/2023)The present work has as its central theme the use of composite materials of polymeric matrix in aircraft from a perspective of the shape memory property. The application of polymeric materials through composites in aircraft ... -
Desenvolvimento de vitrocerâmicos transparentes resistentes ao impacto
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Ciência e Engenharia de Materiais - PPGCEM, Câmpus São Carlos, 11/11/2021)Transparent glass-ceramics (GCs) can replace glasses traditionally used as ballistic windows and electronic displays due to their better mechanical properties. This improvement is obtained by the crystallization of phases ... -
Parametrização de ligantes em reações catalisadas por metais de transição
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 24/04/2023)The approach of statistical methods capable of accurately predicting the relationship between catalyst structure and reactivity represents a major impact on reaction development, since both reactivity and selectivity of ... -
The period function for some planar piecewise vector fields
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Matemática - PPGM, Câmpus São Carlos, 27/04/2023)In this work, we study the period function for fixed families of piecewise differential vector fields with a line of discontinuities. These systems, indistinctly called piecewise or nonsmooth, appear in several applications, ... -
Aplicações das séries de Fourier
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 31/03/2023)The focus of this project is the introduction to the study of Fourier series. The Fourier series that emerged from the studies of Jean Baptiste Joseph Fourier on the heat equation is an important tool in solving certain ... -
Otimização de projeto de viadutos de múltiplas longarinas considerando critérios ambientais e econômicos
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Civil - PPGECiv, Câmpus São Carlos, 14/06/2023)Brazil lacks investments in road infrastructure, as it is responsible for more than half of the volume of cargo transportation in the country. When addressing the topic of road infrastructure, one of the main variables is ... -
Tool holder instrumentation for didactic purposes: a theoretical and experimental approach
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 24/05/2023)In machining processes the feed and cut movement are the main responsible for the power consumption, justifying a deep study about it in mechanical engineering courses. The power consumption is due to the machining forces ... -
Investigação dos mecanismos de remoção de material de insertos de metal duro de diferentes classes durante a retificação
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Mecânica - PPGEMec, Câmpus São Carlos, 07/06/2023)After pressing and sintering processes, cutting inserts must be ground in order to obtain the necessary surface finish and tolerances for their application in machining operations. An appropriate process design requires a ... -
Desenvolvimento do aplicativo "O Número Secreto" e uma experiência de aplicação para alunos do ensino fundamental
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Ensino de Ciências Exatas - PPGECE, Câmpus São Carlos, 03/05/2023)The present work has, as its objective, the development of an application of the game “The Secret Number”, available on the OBMEP´s website, and its proposed use in the classroom. Currently, Math teachers face enormous ... -
Metodologias sintéticas envolvendo reações fotoquímicas e eletroquímicas em condições de batelada e fluxo contínuo
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 26/04/2023)SYNTHETIC METHODOLOGIES INVOLVING PHOTOCHEMICAL AND ELECTROCHEMICAL REACTIONS IN BOTH BATCH AND CONTINUOUS FLOW CONDITIONS. Initially (Chapter 1), general aspects of the studied reactions were presented and in the chapter ... -
Significados da Felicidade nas Dimensões do Espaço Urbano
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Urbana - PPGEU, Câmpus São Carlos, 16/03/2023)This thesis investigates the use of happiness as a guiding principle to comprehensively understand the production of urban space. To do this, the concept of happiness is analyzed in different theoretical perspectives, ... -
Análise e resolução de desvios no processo de fermentação para produção de etanol hidratado em uma usina sucroalcooleira "X" no noroeste paulista
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 14/03/2023)The indiscriminate use of non-renewable energy sources, like petroleum and coal has been dramatically reducing the fossil fuel sources and causing serious environmental damage, such as the worsening of the natural greenhouse ... -
Estudo de viabilidade para a produção de gás de síntese em uma usina de etanol
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 14/03/2023)One of Brazil's main industries is the sugarcane industry, which has great potential for growth over the years. In this industry, there are several byproducts and wastes generated that are currently not widely used, such ... -
Arquitetura systolic array baseada em FPGA para o filtro de Kalman robusto aplicado a um sistema aéreo
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Elétrica - PPGEE, Câmpus São Carlos, 28/02/2023)This dissertation presents a proposed implementation of a hardware accelerator, with parallel architecture based on systolic array, for building the navigation system in an aerial vehicle. The estimate of the attitude, ... -
Modelo de regressão chances de sobrevivência proporcionais para dados discretos com presença de censura
(Universidade Federal de São Carlos, UFSCar, Programa Interinstitucional de Pós-Graduação em Estatística - PIPGEs, Câmpus São Carlos, 25/04/2023)Survival models, in their majority, consider continuous survival times. However, in several studies these times are discrete, and in some occasions, it is not advisable to use a continuous model to analyze discrete data. ... -
Implementação de plano de APPCC em um parque bioenergético de produção de etanol neutro
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 14/03/2023)The development, implementation and operation of physical-chemical processes, regardless of the raw materials, equipment and technologies used, has risks associated with all stages. Especially in the chemical industry, ... -
Identificação dos fatores críticos de sucesso na implementação do Building Information Modeling pelo setor de pré-moldados de concreto
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Civil - PPGECiv, Câmpus São Carlos, 01/04/2023)The industrialization of construction is perceived as a solution to the problems of the conventional method of building, improving the sector’s productivity and the quality of products and rationalizing the use of human, ... -
Investigação de métodos de seleção de atributos para problemas de classificação hierárquica multirrótulo
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 06/04/2023)Classification is the task of assigning data instances to classes. In Hierarchical Multi- label Classification, instances may belong to two or more classes (labels) simultaneously, where the classes are hierarchically ...