62 resultados para COMPUTAÇÃO GRÁFICA

em Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho"


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Objectives: This study aimed to assess dimensional changes in acrylic resin base and artificial teeth position after water storage and thermocycling using computer graphics measurements. Methods: Twenty-four waxed replicas were obtained from a previous upper complete denture. For linear measurements, points in cusps tips of left central incisor and second premolars and molars were marked in one of the prostheses with graphite and transferred to the others using an acrylic resin guide. The prostheses were scanned after waxing, polymerization and treatments and the images were exported to “AutoCad 2002 Today®” software for measurements. Results: There was no statistically significant difference in changes of each segment for each group and between the phases evaluated after polymerization and thermocycling. In groups I and III, the values after polymerization are higher than those after treatment, which suggests shrinkage while the prostheses in group II have expanded. Conclusion: The three groups exhibited artificial teeth movement after tests in comparison to the polymerized prosthesis. The prostheses submitted to water storage in kiln at 36ºC during seven days showed different behavior than the other groups.

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This paper aims to show some advantages brought by the computer graphics and inter-disciplinary communication within the academic institution UNESPBauru, using it as a teaching tool in undergraduate engineering and design. The communication in the classroom could be reconfigured through the adoption of new technologies by drawing a parallel between old and new programmatic contents, setting goals and parameters to improve communication between teacher and student, transferring and sediment of the given content and increasing production in quantity and complexity of work undertaken by students. As an example of computer graphics use, this work presents a final graduation work that was successful in the market, "Teardrop Trailer Caracol", as result of the final adoption of CAD technology as a teaching tool, design and production.

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Regardless its power rate, the tractors are the most used source in operations of tillage. Thus, due to the expansion of cultivated areas and the need of striking application of technologies to meet the advance of agribusiness, it has been shown that these machines are concentrated during the work periods, the physical and mechanical actions to perform the activity. So, it's possible to realize that the time of physical exposures and the operational decision-making are related with the job station comfort. In regard to what was mentioned, this paper's main objective is to design an ergonomically viable seat to furnish the operational requirements of the tractor driver, using the new CAD / CAE technologies in order to provide optimal comfort to the relationship between human being and machines.

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Pós-graduação em Ciências Cartográficas - FCT

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Pós-graduação em Artes - IA

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Pós-graduação em Ciências Cartográficas - FCT

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Pós-graduação em Ciência da Computação - IBILCE

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)