Search Results - "Ponta, L."
-
1
Inferring multi-period optimal portfolios via detrending moving average cluster entropy (a)
Published in Europhysics letters (01-03-2021)“…Abstract Despite half a century of research, there is still no general agreement about the optimal approach to build a robust multi-period portfolio. We…”
Get full text
Journal Article -
2
A Novel Correlation Model for Horizontal Axis Wind Turbines Operating at High-Interference Flow Regimes
Published in Energies (Basel) (25-03-2019)“…Driven by economics-of-scale factors, wind-turbine rotor sizes have increased formidably in recent years. Larger rotors with lighter blades of increased…”
Get full text
Journal Article -
3
Marine-current power generation by diffuser-augmented floating hydro-turbines
Published in Renewable energy (01-04-2008)“…The oceans represent a huge energy reservoir consistent of stored solar and gravitational energy in several forms, causing ceaseless movements of an enormous…”
Get full text
Journal Article -
4
Heterogeneous information-based artificial stock market
Published in New journal of physics (21-05-2010)Get full text
Journal Article -
5
A multi-assets artificial stock market with zero-intelligence traders
Published in Europhysics letters (01-01-2011)“…In this paper, a multi-assets artificial financial market populated by zero-intelligence traders with finite financial resources is presented. The market is…”
Get full text
Journal Article -
6
Information-based multi-assets artificial stock market with heterogeneous agents
Published in Nonlinear analysis: real world applications (01-04-2011)“…In this paper, an artificial stock market characterized by heterogeneous and informed agents is presented. The heterogeneous agents are seen as nodes of…”
Get full text
Journal Article -
7
Emerging dynamics in neuronal networks of diffusively coupled hard oscillators
Published in Neural networks (01-06-2011)“…Oscillatory networks are a special class of neural networks where each neuron exhibits time periodic behavior. They represent bio-inspired architectures which…”
Get full text
Journal Article -
8
Dynamic aeroelastic behavior of wind turbine rotors in rapid pitch-control actions
Published in Renewable energy (01-07-2017)“…Pitch control comprises a significant proportion of current wind turbine load-control approaches. Collective pitching is used in restricting the overall power…”
Get full text
Journal Article -
9
Numerical experiments on vortex shedding from an oscillating cylinder
Published in Journal of fluids and structures (01-04-2006)“…Vortex street wakes behind a cylinder oscillating in a steady free stream have been studied experimentally and numerically by several authors. Williamson and…”
Get full text
Journal Article -
10
Strouhal-Reynolds number relationship for vortex streets
Published in Physical review letters (20-08-2004)“…A rationale for the empirically observed Strouhal-Reynolds number relation for vortex shedding in the wake of a cylinder is provided. This rationale derives…”
Get full text
Journal Article -
11
The kinematic Laplacian equation method
Published in Journal of computational physics (10-08-2005)“…A novel procedure for the Navier–Stokes equations in the vorticity–velocity formulation is presented. The time evolution of the vorticity is solved as an ODE…”
Get full text
Journal Article -
12
On the sources of cyclic loads in horizontal-axis wind turbines: The role of blade-section misalignment
Published in Renewable energy (01-03-2018)“…In this paper we investigate the sources of cyclic loads affecting the structural solicitation and power production in Horizontal Axis Wind Turbines, in…”
Get full text
Journal Article -
13
On the aerodynamics of variable-geometry oval-trajectory Darrieus wind turbines
Published in Renewable energy (2007)“…A new computational model for the aerodynamics of vertical-axis wind turbines is introduced. It is based on the double-multiple streamtube concept and it…”
Get full text
Journal Article -
14
Effects of rotor deformation in wind-turbine performance: The Dynamic Rotor Deformation Blade Element Momentum model (DRD–BEM)
Published in Renewable energy (01-07-2016)“…Understanding the multi-physics phenomena associated with blade dynamics constitutes a fundamental factor for the continuous development of wind-turbine…”
Get full text
Journal Article -
15
On the structural behaviour of variable-geometry oval-trajectory Darrieus wind turbines
Published in Renewable energy (01-03-2009)“…We developed a computational model based on a finite-element mixed formulation with quadratic isoparametric beam elements. We applied this model to the…”
Get full text
Journal Article -
16
Effect of shear-layer thickness on the Strouhal–Reynolds number relationship for bluff-body wakes
Published in Journal of fluids and structures (01-11-2006)“…In a previous paper, we provided a rationale for the empirically observed St–Re number relationship for vortex shedding in bluff-body wakes. This rationale…”
Get full text
Journal Article -
17
A vortex model for Darrieus turbine using finite element techniques
Published in Renewable energy (01-09-2001)“…Since 1970 several aerodynamic prediction models have been formulated for the Darrieus turbine. We can identify two families of models: stream-tube and vortex…”
Get full text
Journal Article -
18
Advances and trends in hydrokinetic turbine systems
Published in Energy for sustainable development (01-12-2010)“…An emerging class of renewable energy technology, the hydrokinetic conversion device (HCD), offers ways to capture the energy of flowing water without the…”
Get full text
Journal Article -
19
Analysis of alternative adaptive geometrical configurations for the NREL-5 MW wind turbine blade
Published in Renewable energy (01-11-2013)“…The correct prediction of flexo-torsional deformation is of capital importance for the future development of advanced wind-turbine blade prototypes. Coupling…”
Get full text
Journal Article -
20
Inferring multi-period optimal portfolios via detrending moving average cluster entropy (a) Contribution to the Focus Issue Progress on Statistical Physics and Complexity edited by Roberta Citro, Giorgio Kaniadakis, Claudio Guarcello, Antonio Maria Scarfone and Davide Valenti
Published in Europhysics letters (01-03-2021)Get full text
Journal Article