Search Results - "Tsouvalas, A."

Noise reduction by the application of an air-bubble curtain in offshore pile driving by Tsouvalas, A., Metrikine, A.V.

“…Underwater noise pollution is a by-product of marine industrial operations. In particular, the noise generated when a foundation pile is driven into the soil…”
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The steady-state response of a rotating ring subjected to a stationary load by Lu, T., Tsouvalas, A., Metrikine, A.V.

“…The in-plane steady-state response of a rotating ring on elastic foundation subjected to a stationary load is investigated theoretically using a high-order…”
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A high-order model for in-plane vibrations of rotating rings on elastic foundation by Lu, T., Tsouvalas, A., Metrikine, A.V.

“…A new high-order model for in-plane vibrations of rotating rings is developed in this paper. The inner surface of the ring is connected to an immovable axis…”
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The in-plane free vibration of an elastically supported thin ring rotating at high speeds revisited by Lu, T., Tsouvalas, A., Metrikine, A.V.

“…The in-plane free vibration of a rotating thin ring is revisited in this paper. A new model is proposed which accounts for the elastic foundation and the…”
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A three-dimensional vibroacoustic model for the prediction of underwater noise from offshore pile driving by Tsouvalas, A., Metrikine, A.V.

“…Steel monopiles are nowadays widely used as foundations for a large number of offshore structures. The installation procedure commonly involves a pile driving…”
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A semi-analytical model for the prediction of underwater noise from offshore pile driving by Tsouvalas, A., Metrikine, A.V.

“…Underwater noise from offshore pile driving gained considerable attention in recent years mainly due to the large scale construction of offshore wind farms…”
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Magnetomechanical response of a steel monopile during impact pile driving by Meijers, P.C., Tsouvalas, A., Metrikine, A.V.

“…•Magnetic stray field is measured during installation of a steel hollow pile.•Impact-induced transient stray field correlates well with measured axial…”
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A three dimensional semi-analytical model for the prediction of gate vibrations immersed in fluid by Tieleman, O.C., Tsouvalas, A., Hofland, B., Peng, Y., Jonkman, S.N.

“…A model is developed to predict bending vibrations of flood gates with fluid on both sides. The liquid flow is three-dimensional and the gate is represented as…”
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Plasticity Detection and Quantification in Monopile Support Structures Due to Axial Impact Loading by Meijers, P.C., Tsouvalas, A., Metrikine, A.V.

“…Recent developments in the construction of offshore wind turbines have created the need for a method to detect whether a monopile foundation is plastically…”
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CD40 expression and its association with low-grade inflammation in a Greek population of type 1 diabetic juveniles: evidence for differences in CD40 mRNA isoforms expressed by peripheral blood mononuclear cells by Chatzigeorgiou, A E, Lembessis, P E, Mylona-Karagianni, C F, Tsouvalas, E A, Diamanti-Kandarakis, E, Kamper, E F

“…CD40 signalling has been associated with the pathogenesis of autoimmune diseases and diseases with low-grade chronic inflammation. To investigate, early in the…”
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A fluid–structure interaction model for assessing the safety of flood gate vibrations due to wave impacts by Tieleman, O.C., Hofland, B., Tsouvalas, A., de Almeida, E., Jonkman, S.N.

“…This paper establishes a computationally efficient model to predict flood gate vibrations due to wave impacts including fluid–structure interaction. In…”
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Magnetic stray field measurements to identify and localise impact-induced plastic deformation in a steel structure by Meijers, P.C., Jolink, C.T., Tsouvalas, A., Metrikine, A.V.

“…To study the irreversible changes in the magnetic stray field surrounding a steel structure caused by impact-induced elastic and plastic deformations, a steel…”
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A non-collocated method to quantify plastic deformation caused by impact pile driving by Meijers, P.C., Tsouvalas, A., Metrikine, A.V.

“…•Upper bound for plastic deformation can be found from non-collocated measurements•Quantification method was successfully validated against a lab-scale…”
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Some C-continuous mixed formulations for general dipolar linear gradient elasticity boundary value problems and the associated energy theorems by Markolefas, S I, Tsouvalas, D A, Tsamasphyros, G I

“…The goal of this work is a systematic presentation of some classes of mixed weak formulations, for general multi-dimensional dipolar gradient elasticity…”
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Convergence and performance of the h- and p-extensions with mixed finite element C-continuity formulations, for tension and buckling of a gradient elastic beam by Tsamasphyros, G I, Markolefas, S, Tsouvalas, D A

“…Mixed formulations with C0-continuity basis functions are employed for the solution of some types of one-dimensional fourth- and sixth-order equations,…”
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Theoretical analysis of a class of mixed, C continuity formulations for general dipolar Gradient Elasticity boundary value problems by Markolefas, S I, Tsouvalas, D A, Tsamasphyros, G I

“…Mixed weak formulations, with two or three main (tensor) variables, are stated and theoretically analyzed for general multi-dimensional dipolar Gradient…”
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Mixed finite element formulation for the general anti-plane shear problem, including mode III crack computations, in the framework of dipolar linear gradient elasticity by Markolefas, S. I., Tsouvalas, D. A., Tsamasphyros, G. I.

“…A mixed formulation is developed and numerically validated for the general 2D anti-plane shear problem in micro-structured solids governed by dipolar strain…”
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Some C 0-continuous mixed formulations for general dipolar linear gradient elasticity boundary value problems and the associated energy theorems by Markolefas, S.I., Tsouvalas, D.A., Tsamasphyros, G.I.

“…The goal of this work is a systematic presentation of some classes of mixed weak formulations, for general multi-dimensional dipolar gradient elasticity…”
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Convergence and performance of the h- and p-extensions with mixed finite element C 0-continuity formulations, for tension and buckling of a gradient elastic beam by Tsamasphyros, G.I., Markolefas, S., Tsouvalas, D.A.

“…Mixed formulations with C 0-continuity basis functions are employed for the solution of some types of one-dimensional fourth- and sixth-order equations,…”
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Theoretical analysis of a class of mixed, C 0 continuity formulations for general dipolar Gradient Elasticity boundary value problems by Markolefas, S.I., Tsouvalas, D.A., Tsamasphyros, G.I.

“…Mixed weak formulations, with two or three main (tensor) variables, are stated and theoretically analyzed for general multi-dimensional dipolar Gradient…”
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