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Mostrando ítems 511-520 de 612
Ponencia
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Induced vibrations due to high-speed trains: Córdoba-Málaga high speed line
(Sociedad Española de Acústica, 2007)
Numerical models to obtain ground vibrations induced by the passage of HST, based on finite element method and boundary element method, have been developed in the last years. A few models have been validated, comparing the ...
Ponencia
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Análisis del campo singular de tensiones en esquinas de materiales ortrótropos
(AEMAC (asociación española de materiales compuestos), 1995)
Se presenta un método simple para el cálculo del orden de la singularidad de tensiones en esquinas bidimensionales ortótropas con diversas combinaciones de condiciones de contorno homogéneas. Se presentan resultados ...
Ponencia
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Fully 3D analysis of HST-track-soil-structure dynamic interaction
(KU Leuven, Department of Mechanical Engineering,, 2010)
In this paper, a general and fully three dimensional multi-body-finite element-boundary element model formulated on time domain to predict vibrations due to train passage at the vehicle, the track and the free field ...
Artículo
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Estudio del efecto escala en laminados [0,90n]s de material compuesto
(Sociedad Española de Integridad Estructural. Grupo español de Fractura, 2021-07)
El efecto escala en materiales compuestos es conocido como el retraso en la aparición de daño en las láminas más débiles de un laminado (típicamente las láminas a 90 grados). Esta cuestión ha adquirido una enorme relevancia ...
Artículo
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Improving the performance of lead-free piezoelectric composites by using polycrystalline inclusions and tuning the dielectric matrix environment
(IOP Publishing Ltd, 2019-07)
Piezoelectric composites are a class of smart materials which can be manufactured in a scalable manner by additive processes, while catering to a wide range of applications. Recent efforts are directed towards composites ...
Artículo
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Crack impinging on a curved weak interface: Penetration or deflection?
(Elsevier, 2023-09)
Curved weak interfaces present promising advantages to be implemented as crack arrestors in structures designed under the damage tolerant-design principles. Among other advantages, they neither add extra weight nor ...
Artículo
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Unique real‐variable expressions of displacement and traction fundamental solutions covering all transversely isotropic elastic materials for 3D BEM
(Wiley, 2008)
A general, efficient and robust boundary element method (BEM) formulation for the numerical solution of 9 three-dimensional linear elastic problems in transversely isotropic solids is developed in the present work. The ...
Artículo
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An Experimental Study on Static and Dynamic Strain Sensitivity of Embeddable Smart Concrete Sensors Doped with Carbon Nanotubes for SHM of Large Structures
(MDPI, 2018)
The availability of new self-sensing cement-based strain sensors allows the development of dense sensor networks for Structural Health Monitoring (SHM) of reinforced concrete structures. These sensors are fabricated by ...
Ponencia
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Motion-based design of viscous dampers for cable-stayed bridges under uncertainty conditions
(Editorial Club Universitario, 2019)
Passive damping devices are widely installed to control the vibration level of stay cables of bridges induced by wind action. The design of passive damping devices must ensure the performance for the all the life-cycle of ...
Tesis Doctoral
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Análisis numérico de problemas elastodinámicos en materiales transversalmente isótropos
(1997)
En esta Tesis se estudia la formulación e implementación del Método de los Elementos de Contorno para problemas tridimensionales de difracción de ondas y problemas de mecánica de la fractura, tanto estáticos como dinámicos ...