Artificial Neural Network and Response Surface Methodology-Driven Optimization of Cu–Al2O3/Water Hybrid Nanofluid Flow in a Wavy Enclosure with Inclined Periodic Magnetohydrodynamic Effects

Mathematics

2024 | journal-article

A Simple Mathematical Model to Steering Oceanic Debris to a Targeted Region

Communications in Computer and Information Science

2024 | conference-paper

An Approach to Environmental Cleanup Through Conceptual Autonomous Technology

2024 | book-chapter

Exploring Controlled Passive Particle Motion Driven by Point Vortices on a Sphere

Computation

2024 | journal-article

What makes a steady flow to favour kinematic magnetic field generation: A statistical analysis

arXiv

2024 | other

Analytic characterization of stability islands on two point vortex systems

arXiv

2023 | other

Optimization of Vortex Dynamics on a Sphere

Lecture Notes in Networks and Systems

2023 | conference-paper

Origin of multifractality in solar wind turbulence: the role of current sheets

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

2023 | journal-article

Tracking Point Vortices and Circulations via Advected Passive Particles: An Estimation Approach

IEEE Control Systems Letters

2023 | journal-article

A Control Problem with Passive Particles Driven by Point Vortices on the Sphere

Communications in Computer and Information Science

2022 | conference-paper

A Numerical Algorithm for Optimal Control Problems with a Viscous Point Vortex

Lecture Notes in Electrical Engineering

2022 | book

Efficiency Drifts in Euronext Stock Indexes Returns

International Journal of Business

2022 | journal-article

Nonlinear Large-Scale Perturbations of Steady Thermal Convective Dynamo Regimes in a Plane Layer of Electrically Conducting Fluid Rotating about the Vertical Axis

MATHEMATICS

2022 | journal-article

Optimal Control of a Passive Particle Advected by a Lamb-Oseen (Viscous) Vortex

COMPUTATION

2022 | journal-article

The control of the displacement of a passive particle in a point vortex flow

Journal of Computational Methods in Sciences and Engineering

2021 | journal-article

Optimal Control of a Passive Particle Advected by a Point Vortex

Communications in Computer and Information Science

2021 | conference-paper

Two-Dimensional Isothermal and Newtonian Flow in Complex Geometries

Applied Mathematics

2021 | journal-article

Passive Particle Dynamics in Viscous Vortex Flow

Lecture Notes in Electrical Engineering

2020 | other

The Numerical Control of the Motion of a Passive Particle in a Point Vortex Flow

Lecture Notes in Electrical Engineering

2020 | other

Multiscale Turbulent Transport

2020 | book

Editorial for Special Issue “Multiscale Turbulent Transport”

Fluids

2019 | journal-article

Computation of Kinematic and Magnetic alpha-Effect and Eddy Diffusivity Tensors by Pade Approximation

FLUIDS

2019 | journal-article

Computation of kinematic and magnetic α-effect and eddy diffusivity tensors by Padé approximation

arXiv

2019 | other

Control problem in passive tracer advection by point vortex flow: A case study

COMPDYN Proceedings

2019 | conference-paper

Persistence in the Bel-20 index returns: Spurious long memory effect?

Proceedings of the 33rd International Business Information Management Association Conference, IBIMA 2019: Education Excellence and Innovation Management through Vision 2020

2019 | conference-paper

A recursive algorithm based on the maximum principle of pontryagin

13th APCA International Conference on Control and Soft Computing, CONTROLO 2018 - Proceedings

2018 | conference-paper

Eddy diffusivity of quasi-neutrally-buoyant inertial particles

PHYSICAL REVIEW FLUIDS

2018 | journal-article

Eddy diffusivity of short-correlated random flows: helicity, molecular-diffusion & mean-streaming effects

Proceeding of THMT-18. Turbulence Heat and Mass Transfer 9 Proceedings of the Ninth International Symposium On Turbulence Heat and Mass Transfer

2018 | other

Estimating and testing long memory in Portuguese stock market returns

Proceedings of the 32nd International Business Information Management Association Conference, IBIMA 2018 - Vision 2020: Sustainable Economic Development and Application of Innovation Management from Regional expansion to Global Growth

2018 | conference-paper

Long-term memory in Euronext stock indexes returns: An econophysics approach

BUSINESS AND ECONOMIC HORIZONS

2018 | journal-article

Maximum principle for the optimal control of the Obukhov model

13th APCA International Conference on Control and Soft Computing, CONTROLO 2018 - Proceedings

2018 | conference-paper

Optimal Control Framework for AUV's Motion Planning in Planar Vortices Vector Field

2018 IEEE/OES AUTONOMOUS UNDERWATER VEHICLE WORKSHOP (AUV)

2018 | conference-paper

Point-source dispersion of quasi-neutrally-buoyant inertial particles

arXiv

2018 | other

Settling velocity of quasi-neutrally-buoyant inertial particles,Vitesse de sédimentation de particules inertielles dotées de flottabilité quasi neutre

Comptes Rendus - Mecanique

2018 | journal-article

Simulação Da Termo-Fluido Dinâmica

Novas Edições Acadêmicas. OmniScriptum Publishing

2018 | book

Two-Dimensional Simulation of the Navier-Stokes Equations for Laminar and Turbulent Flow around a Heated Square Cylinder with Forced Convection

Applied Mathematics

2018 | journal-article

Optimization and control theory in shell models of turbulence

Proceedings of PHYSCON 2017, Florence, Italy

2017 | book-chapter

Simulação da interação termo-fluido-estrutura de corpos imersos em fluidos Newtonianos

Encontro Ciência '17, Lisboa

2017 | conference-poster

Eddy diffusivity of quasi-neutrally-buoyant inertial particles

arXiv

2017 | other

Optimal Multi-process Control of a Two Vortex Driven Particle in the Plane

IFAC-PapersOnLine

2017 | conference-paper

Optimal Power Consumption Motion Control of a Fish-Like Vehicle in a Vortices Vector Field

OCEANS 2017 - ABERDEEN

2017 | conference-paper

Settling velocity of quasi-neutrally-buoyant inertial particles

arXiv

2017 | other

A Stochastic Diffusion Process Based On The Two-Parameters Weibull Density Function

Zenodo

2016 | journal-article

A new approach to the Pontryagin maximum principle for nonlinear fractional optimal control problems

MATHEMATICAL METHODS IN THE APPLIED SCIENCES

2016 | journal-article

Combined role of molecular diffusion, mean streaming and helicity in the eddy diffusivity of short-correlated random flows

JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT

2016 | journal-article

A numerical approach to a control problem in passive tracer advection by point vortex flow

EPCO'015 - Encontro Português de Controlo Ótimo 2015

2015 | conference-paper

On the Optimal Control of Flow Driven Dynamic Systems

MATHEMATICS OF ENERGY AND CLIMATE CHANGE

2015 | conference-paper

A Wavelet-Based Method to Measure Stock Market Development

Open Journal of Statistics - OJS

2014 | journal-article

Optimal Control of Incompressible Flow Driven Systems

2014 | conference-paper

Optimal control of passive particles advected by two-dimensional point vortices

2014 | conference-paper

Probabilidade e Estatística: Teoria e Prática com Excel

Plural Editores (Grupo Porto Editora)

2014 | book

Optimal Control of Partial Differential Equations Driven Systems

2013 | other

Optimal Control of Particle Advection in Couette and Poiseuille Flows

2013 | journal-article

Optimal Control of Passive Particle under Point Vortices

2013 | conference-paper

Controlo Óptimo de Sistemas dinâmicos Impulsionados por Escoamentos de Couette

Boletim da Sociedade Portuguesa de Matemática

2012 | journal-article

dlog-Padé approximants for the eddy viscosity in two-dimensional flow

IV Conferência Nacional em Mecânica dos Fluídos, Termodinâmica e Energia

2012 | conference-paper

A Study of Correlation and Entropy for Multiple Time Series

2011 | other

Dependence of magnetic field generation by thermal convection on the rotation rate: A case study

Physica D: Nonlinear Phenomena

2010 | journal-article

Métodos Espectrais Aplicados ao Filme de Fundido de um Processo de Extrusão de Polímeros

Congreso de Métodos Numéricos en Ingeniería 2009

2009 | conference-paper

The cauchy problem for a short-wave equation

2009 | journal-article

Magnetic field generation in a plane layer by thermal convection at various rotation rates

II Conferência Nacional de Métodos Numéricos em Mecânica de Fluidos e Termodinâmica '08

2008 | conference-paper

Time and scale Hurst exponent analysis for financial markets

2008 | journal-article

Anisotropy and universality in Solar Wind turbulence. Ulysses spacecraft data

2007 | conference-paper

Eddy diffusivity in convective hydromagnetic systems

European Physical Journal B

2007 | journal-article

Multiscale analysis of convective magnetic systems in a horizontal layer

2007 | conference-paper

Correlation of worldwide markets' entropies

Workshop Perspectives on Econophysics

2006 | conference-paper

Small-scale anisotropy and intermittence in high- and low-latitude solar wind

Astrophysical Journal

2006 | journal-article

Anisotropy in large eddy simulations determined from SO(3) symmetry group

Journal of Turbulence

2005 | journal-article

Localização de pólos espaciais em soluções de equações às derivadas parciais

Congreso de Métodos Numéricos en Ingeniería 2005

2005 | conference-paper

An econophysics approach to the Portuguese Stock Index - PSI-20

2004 | journal-article

Introdução Computacional à Probabilidade e Estatística

Porto Editora

2004 | book

Testing of subgrid-scale models using the Kolmogorov flow

10th Euromech European Turbulence Conference

2004 | conference-paper

Short-wave instabilities in the Benjamin-Bona-Mahoney-Peregrine equation: Theory and numerics

Inverse Problems

2001 | journal-article

Statistical properties of passive tracers in a positive four-point vortex model

2000 | journal-article

Time evolution of the eddy viscosity in two-dimensional Navier-Stokes flow

Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics

2000 | journal-article

Fractal Behaviour Simulation of Foetal Heart Rate

Medical & Biological Engineering & Computing

1999 | newspaper-article

Fractal Modeling of Hydroxyapatite Growth on Bioactive Surfaces

Medical & Biological Engineering & Computing

1999 | newspaper-article

Classification of foetal heart rate sequences based on fractal features

Medical and Biological Engineering and Computing

1998 | journal-article

Classification of FHR Sequences Using Fractal Measures

XVIII World Congress on Medical Physics and Biomedical Engineering

1997 | conference-paper

Fractal Characterisation of FHR sequences

IX Conferência de Reconhecimento de Padrões, RECPAD97

1997 | conference-paper

Series expansions and transport coefficients in two-dimensional incompressible Navier-Stokes flow

Textos de Matemática (Série B)

1997 | journal-article

Analytical and Numerical Multiscale Calculations for Eddy Viscosity

IUTAM Symposium on Asymptotic Methods for Turbulent Shear Flows at High Reynolds Numbers

1996 | other

Computation of the eddy viscosity in two and three dimensional flow

Métodos Numéricos en Ingeniería

1996 | conference-paper

On the reconstruction of fetal heart rate sequences

IV Congresso Português de Engenharia Biomédica

1996 | conference-paper

Eddy viscosity of three-dimensional flow

Advances in Turbulence V

1995 | other

Negative Isotropic Eddy Viscosity: A Common Phenomenon in two Dimensions

Navier—Stokes Equations and Related Nonlinear Problems

1995 | other

The two-dimensional Navier-Stokes-Kuramoto-Sivashinsky equation on the Connection Machine

Computing Systems in Engineering

1995 | journal-article

Two-Dimensional Isotropic Negative Eddy Viscosity: A Common Phenomenon

Advances in Turbulence V

1995 | other

Local Helicity, a Material Invariant for the Odd-dimensional Incompressible Euler Equations

Solar and Planetary Dynamos

1994 | other

Negative Eddy Viscosity in Isotropically Forced Two-Dimensional Flow: Linear and Nonlinear Dynamics

Journal of Fluid Mechanics

1994 | journal-article

Proving the Existence of Negative Isotropic Eddy Viscosity

Solar and Planetary Dynamos

1994 | other

Slow-down of nonlinearity in 2-D Navier-Stokes flow

1994 | journal-article

Concentration de vorticité dans les écoulements bi-dimensionnels

Revue Scientifique et Technique de la Défense

1993 | journal-article

Simulations of two-dimensional turbulence on the connection machine

Applied Scientific Research

1993 | journal-article

The two-dimensional Navier-Stokes equations with a large-scale instability of the Kuramoto-Sivashinsky type: Numerical exploration on the Connection Machine

Journal of Scientific Computing

1991 | journal-article