A5087472150- Climate variability and models
- Meteorological Phenomena and Simulations
- Complex Systems and Time Series Analysis
- Hydrology and Drought Analysis
- Physics of Superconductivity and Magnetism
- Superconducting Materials and Applications
- Advanced Thermodynamics and Statistical Mechanics
- Flood Risk Assessment and Management
- Superconductivity in MgB2 and Alloys
- Fractional Differential Equations Solutions
- Plant Water Relations and Carbon Dynamics
- Energy Load and Power Forecasting
- Power Systems Fault Detection
- Vacuum and Plasma Arcs
- Ecosystem dynamics and resilience
- Tree-ring climate responses
- Geophysics and Gravity Measurements
- Forecasting Techniques and Applications
- Atmospheric and Environmental Gas Dynamics
- Magnetic Field Sensors Techniques
- Vibration and Dynamic Analysis
- Power Line Communications and Noise
- Theoretical and Computational Physics
- Hydrology and Watershed Management Studies
- Geochemistry and Geologic Mapping
Université du Québec à Montréal
2022-2023
McGill University
2014-2021
Sapienza University of Rome
2018-2019
University of Havana
2010-2015
AREA Science Park
2010
University of Oslo
2010
Institute of Applied Science and Intelligent Systems
2010
We provide a database of the coseismic geological surface effects following Mw 6.5 Norcia earthquake that hit central Italy on 30 October 2016. This was one strongest seismic events to occur in Europe past thirty years, causing complex ruptures over an area >400 km2. The originated from collaboration several European teams (Open EMERGEO Working Group; about 130 researchers) coordinated by Istituto Nazionale di Geofisica e Vulcanologia. observations were collected performing detailed field...
Abstract Classical Energy Balance Equations (EBEs) are differential equations of integer order ( h = 1), here we generalize this to fractional orders: the Fractional EBE (FEBE, 0 < ≤ 1). In FEBE, when Earth is perturbed by a forcing, temperature relaxes equilibrium via slow power‐law process: 1 exceptional (but standard) exponential case. Our FEBE derivation phenomenological, it complements derivations based on classical continuum mechanics heat equation (that imply 1/2 for surface...
Dispersion and migration of bacteria under flow in tortuous confined structures such as porous or fractured materials is related to a large spectrum practical interest, but still poorly understood. Here, we address the question transport dispersion an E. coli suspension flowing through micro-fluidic channel with funnel-like constriction its center. We show counter-intuitive symmetry breaking bacterial concentration, which increases significantly past funnel. This concentration enhancement...
Abstract. On scales of ≈ 10 days (the lifetime planetary-scale structures), there is a drastic transition from high-frequency weather to low-frequency macroweather. This scale close the predictability limits deterministic atmospheric models; thus, in GCM (general circulation model) macroweather forecasts, noise. However, neither noise nor climate fully realistic. In this paper we show how simple stochastic models can be developed that use empirical data force statistics and realistic so even...
Abstract Conventional long‐range weather prediction is an initial value problem that uses the current state of atmosphere to produce ensemble forecasts. Purely stochastic predictions for long‐memory processes are “past value” problems use historical data provide conditional Teleconnection patterns, defined from cross‐correlations, important identifying possible dynamical interactions, but they do not necessarily imply causation. Using precise notion Granger causality, we show temperature...
Abstract El Niño‐Southern Oscillation (ENSO) is often considered as a source of long‐term predictability for extreme events via its teleconnection patterns. However, given that characteristic cycle varies from two to 7 years, it difficult obtain statistically significant conclusions based on observational periods spanning only few decades. To overcome this, we apply the global flood risk modeling framework developed by Carozza and Boudreault an equivalent 1,600 years bias‐corrected General...
Abstract. At scales of ≈ 10 days (the lifetime planetary scale structures), there is a drastic transition from high frequency weather to low macroweather. This close the predictability limits deterministic atmospheric models; so that in GCM macroweather forecasts, noise. But neither noise nor climate fully realistic. In this paper we show how simple stochastic models can be developped use empirical data force statistics and realistic even two parameter model outperform GCM's for annual...
We propose a model for superconductor-metal composite that allows to derive intrinsic transport properties of the superconducting phase based on 2D images its cross section, and minimal set parameters. The method is tested experimentally by using, as composite, “transversal bridge” made Bi2Sr2Ca2Cu3O10+x (BSCCO)-Ag multi-filamentary tape. It shown approach predict measured I−〈E〉 curves filaments. In addition, one can determine critical current anisotropy between longitudinal transverse...
This work describes a three-dimensional thermal finite-difference analysis of brazing process vacuum interrupters. The overall objective is to develop reliable numerical model be used optimise the number interrupters and configuration in which these are placed within furnace so that duration cost minimized. Significant simplification tasks performed during discretization stage bearing mind high interrupters, their complex geometry fact heat exchange mainly governed by radiation mechanism. As...
Beyond their deterministic predictability limits of ≈10 days and 6 months, the atmosphere ocean become effectively stochastic. This has led to development stochastic models specifically for this macroweather regime. A particularly promising approach is based on Fractional Energy Balance Equation (FEBE), an update classical Budyko–Sellers energy balance approach. The FEBE scaling symmetries that imply long memories, these are exploited in Stochastic Seasonal Interannual Prediction System...
Little is known on the electrical properties of superconducting tapes and coatings in direction transverse to long dimension composite. However, dissipation can eventually determine fate a transmission line case failure due presence transversal cracks, also crucial AC regime. In this paper we present detailed experimental study transport along Bi2Sr2Ca2Cu3O10+x-Ag tapes, compare them with those measured axis material. We detail influence tape's microstructure both directions by using sliding...
Using fluorescent microthermal imaging we have investigated the origin of "two-step" behavior in I-V curves for a current-carrying YBa2Cu3Ox superconducting bridge.High resolution temperature maps reveal that as applied current increases first step voltage corresponds to local dissipation (hot spot), whereas second is associated with onset global throughout entire bridge.A quantitative explanation experimental results provided by simple model an inhomogeneous superconductor, assuming hot...
Abstract Explanations for the industrial epoch warming are polarized around hypotheses of anthropogenic (AW) and giant natural fluctuations (GNFs). While climate sceptics have systematically attacked AW, up until now they only invoked GNFs. This has changed with publication by D. Keenan a sample 1000 series from stochastic processes purporting to emulate global annual temperature since 1880. Keenan's objective was criticize International Panel on Climate Change's trend uncertainty analysis...
One of the pressures exerted by markets on companies is continuous demand to reduce both product development times and costs. Companies are increasingly researching ways design cycles evaluating changing processes. The goal leading achieve a real competitive advantage that enables them provide customers with innovative high quality products in less time. This paper shows how application simulation technologies over Vacuum Interrupters can increase rate generation, understanding...
Composite structures such as High-Tc multi-filamentary tapes display a complex anisotropy arising from the combination of intrinsic Bi-2223 grains, and that associated to superconducting phase distribution in superconductor-metal composite, well cracks other defects. In this paper we characterize in-plane BSCCO-Ag tapes, i.e., difference between transport properties along longitudinal axis those transverse direction also lying on wide face tape. particular, demonstrate dissipation approaches...
Earth and Space Science Open Archive This preprint has been submitted to is under consideration at Geophysical Research Letters. ESSOAr a venue for early communication or feedback before peer review. Data may be preliminary.Learn more about preprints preprintOpen AccessYou are viewing the latest version by default [v1]Long-range Forecasting as Past Value Problem: Using Scaling Untangle Correlations CausalityAuthorsLeninDel Rio AmadoriDShaun M.LovejoyiDSee all authors Lenin Del...
Abstract Over time scales between 10 days and 10–20 years – the macroweather regime atmospheric fields, including temperature, respect statistical scale symmetries, such as power-law correlations, that imply existence of a huge memory in system can be exploited for long-term forecasts. The Stochastic Seasonal to Interannual Prediction System (StocSIPS) is stochastic model exploits these symmetries perform It models temperature high-frequency limit (fractional) energy balance equation...
The new Technical Specification IEC/TS 62271-210 gives basic guidelines for the use of numerical analysis models, such as Finite Element Method, to assess seismic response high voltage metal enclosed switchgear and controlgear assemblies. However, authors observe a need further study on reliability simulations in order be able provide more accurate virtual models enhance customer confidence with simulation results. This work, performed over assembly medium distribution, will cover conditions...
Composite structures such as High-Tc multi-filamentary tapes display a complex anisotropy arising from the combination of intrinsic Bi-2223 grains, and that associated to superconducting phase distribution in superconductor-metal composite, well cracks other defects. In this paper we characterize in-plane BSCCO-Ag tapes, i.e., difference between transport properties along longitudinal axis those transverse direction also lying on wide face tape. particular, demonstrate dissipation approaches...