944 resultados para Dimensión fractal
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The local fractional Burgers’ equation (LFBE) is investigated from the point of view of local fractional conservation laws envisaging a nonlinear local fractional transport equation with a linear non-differentiable diffusion term. The local fractional derivative transformations and the LFBE conversion to a linear local fractional diffusion equation are analyzed.
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Three dimensional model design is a well-known and studied field, with numerous real-world applications. However, the manual construction of these models can often be time-consuming to the average user, despite the advantages o ffered through computational advances. This thesis presents an approach to the design of 3D structures using evolutionary computation and L-systems, which involves the automated production of such designs using a strict set of fitness functions. These functions focus on the geometric properties of the models produced, as well as their quantifiable aesthetic value - a topic which has not been widely investigated with respect to 3D models. New extensions to existing aesthetic measures are discussed and implemented in the presented system in order to produce designs which are visually pleasing. The system itself facilitates the construction of models requiring minimal user initialization and no user-based feedback throughout the evolutionary cycle. The genetic programming evolved models are shown to satisfy multiple criteria, conveying a relationship between their assigned aesthetic value and their perceived aesthetic value. Exploration into the applicability and e ffectiveness of a multi-objective approach to the problem is also presented, with a focus on both performance and visual results. Although subjective, these results o er insight into future applications and study in the fi eld of computational aesthetics and automated structure design.
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Tesis (Maestría en Ciencias de la Ingeniería Mecánica con Especialidad en Materiales) UANL
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Tesis (Maestría en Ciencias de la Ingeniería Mecánica con Especialidad en Materiales) U.A.N.L.
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Tesis (Maestría en Ciencias Odontológicas con Especialidad en Ortodoncia) U.A.N.L.
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Tesis (Maestría en Ciencias de la Ingeniería Mecánica con Especialidad en Materiales) U.A.N.L.
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Tesis (Maestro en Ciencias de la Ingeniería Mecánica con Especialidad en Diseño Mecánico) - Universidad Autónoma de Nuevo León, 1998
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Tesis (Maestría en Ciencias de la Ingeniería Mecánica con Especialidad en Materiales) U.A.N.L.
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Tesis (Maestría en Planeación e Investigación de la Comunicación) U.A.N.L.
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Tesis (Maestro en Ciencias de la Ingeniería Mecánica con Especialidad en Térmica y Fluidos) UANL, 1999.
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Tesis ( Maestría en Enseñanza Superior) U.A.N.L.
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[Tesis] ( Maestría en Formación y Capacitación de Recursos Humanos ) U.A.N.L.
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Tesis (Maestría en Ciencias en Ingeniería de Sistemas) UANL, 2011.
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Tesis (Doctora en Derecho con orientación en Derecho Procesal) UANL, 2014
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This thesis presents the Radar Cross Section measurements of different geometric structures such as flat plate,cylinder, corner reflector and circular cone loaded with fractal based metallo dielectric structures.Use of different fractal geometris,metallizations of different shapes as well as the frequency tanability is investigated for TE and TM polarization of the incident electromagnetic field.Application of fractal based metallo-dielectric structures results in RCS reduction over a wide range of frequency bands.RCS enhancement of dihedral corner is observed at certain acute and obtuse corner angles.The experimental results are validated using electromagnetic simulation softwares.