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1988 Manuale tecnico / Guida tecnica open access

Materials with elastic range: A theory with a view toward application

Lucchesi M ; Podio Guidugli P

No abstract available

Materials
1987 Rapporto di ricerca / Relazione scientifica metadata only access

Un modello idrodinamico per acque basse con termini sorgenti e sua integrazione numerica

Si descrive un metodo per la risoluzione approssimata delle equazioni per acque basse ed il software sviluppato per la implementazione dello schema numerico.

shallow water numerical scheme numerical solution of PDE hydrodynamics
1987 Contributo in Atti di convegno metadata only access

A comparative study of Chebyshev acceleration and residue smoothing in the solution of nonlinear elliptic difference equations

PJ van der Houwen ; BP Sommerijer ; G Pontrelli
1987 Articolo in rivista metadata only access

Medium Term Market Perspectives, Goal Prices and Competitiveness of Renewable Sources in the Italian Energy System

U Amato ; G Amodeo ; V Brandi ; V Cuomo ; D Ruggi ; C Serio ; V Silvestrini ; GC Tosato
1987 Nota tecnica open access

Computation of stereo disparity using regularization

The computation of stereo disparity is a mathematical ill-posed problem. However, using regularization theory it may be transformed into a well-posed problem. Standard regularization can be to solve ill-posed problems by using stabilizing functionals that impose global smoothness constraints on acceptable solutions. However, the presence of depth discontinuities causes serious difficulties in standard regularizations, since smoothness assumptions do not hold across discontinuities. This paper presents a regularization approach to stereopsis based on controlled-continuity stabilizing functionals. These functionals provide a spatial control over smoothness, allowing the introduction of discontinuities into the solution.An iterative method for the computation of stereo disparity is derived, and the result of a computer simulation with a synthetic stereo pair of image is shown.

stereopsis depth computation III-posed problems regularization
1986 Contributo in Atti di convegno metadata only access

Un metodo numerico per l'integrazione di sistemi iperbolici

1986 Contributo in Atti di convegno metadata only access

A discrete vector potential method for unsteady 3-D Navier-Stokes equations.

MANSUTTI D ; Bulgarelli U ; Piva R ; Graziani G
1986 Contributo in Atti di convegno metadata only access

A reduced implicit scheme, via discrete stream function generation, for unsteady Navier-Stokes equations in general curvilinear coordinates.

Bulgarelli U ; Graziani G ; MANSUTTI D ; Piva R
1986 Contributo in Atti di convegno metadata only access

Generazione di un potenziale vettore discreto per flussi incomprimibili viscosi non-stazionari.

MANSUTTI D ; U Bulgarelli ; R Piva ; G Graziani
1986 Articolo in rivista metadata only access

Wake flow past a plate with spoiler II: Gravity effects

Bassanini P ; Mansutti D

The effects of transverse gravity on steady flow past a split plate are investigated, by adopting the wake model proposed in the preceding paper (I). The existence and uniqueness of the solution as well as the convergence of an iteration process involving the free streamlines are proved for large Froude numbers by means of the Banach contraction mapping principle using Lipschitz norms. © 1986 Birkhäuser Verlag.

mathematica steady flow Froude number contraction mapping iterative process
1986 Articolo in rivista metadata only access

Statistical Correlation Between Hourly and Daily Values of Solar Radiation on Horizontal Surface at Ground in the Italian Climate

U Amato ; B Bartoli ; B Coluzzi ; V Cuomo ; C Serio ; P Silvestrini
1986 Articolo in rivista metadata only access

Markov Processes and Fourier Analysis as a Tool to Describe and Simulate Daily Solar Irradiance

U Amato ; A Andretta ; B Bartoli ; B Coluzzi ; V Cuomo ; F Fontana ; C Serio
1986 Poster in Atti di convegno open access

The storage capacity of an associative memory with superimposed traces

No abstract available

J.3 Life and Medical Sciences
1985 Rapporto di ricerca / Relazione scientifica metadata only access

On the matrix forms to compute the FFT

The matrix recursive expression for the computation of the Discrete Fourier Transform of a complex sequence is constructed. The properties of the matrices involved in the recursive expression are exposed. The report contains also a software for the computation of the FFT.

Fast Fourier Transform matrix formulation
1985 Contributo in Atti di convegno metadata only access

An Eulerian-Lagrangian method for open channel flows

V Casulli ; G Pontrelli ; P Secchi
1985 Articolo in rivista metadata only access

Stochastic Modelling of Solar Radiation Data

U Amato ; A Andretta ; B Bartoli ; B Coluzzi ; V Cuomo ; C Serio
1985 Articolo in rivista metadata only access

A Simple Method to Calculate Average Spectra of Clear Sky Solar Radiation and their Dependence on the Atmospheric Parameters

U Amato ; V Cuomo ; R Guzzi ; M Macchiato ; R Rizzi ; C Serio
1985 Articolo in rivista metadata only access

A Simplified Method of Calculating the Maximum Efficiency of Devices for Photochemical Transformation of Solar Energy under Conditions of a Real Atmosphere

U Amato ; V Cuomo ; M Macchiato ; D Ruggi ; C Serio
1985 Articolo in rivista metadata only access

The Role of Renewable Energy Sources in the Italian Agricultural System

U Amato ; G Amodeo ; B Bartoli ; V Cuomo ; C Serio ; V Silvestrini
1985 Articolo in rivista metadata only access

A Dynamic Linear Programming Approach to Market Allocation of Renewable Resources in the Italian Energy System: the Case of Solar Thermal and Biogas Technologies

U Amato ; G Amodeo ; V Brandi ; V Cuomo ; D Ruggi ; C Serio ; GC Tosato