GEOPDES

Innovative compatible discretization techniques for Partial Differential Equations

Coordinatore	CONSIGLIO NAZIONALE DELLE RICERCHE    more Spiacenti, non ci sono informazioni su questo coordinatore. Contattare Fabio per maggiori infomrazioni, grazie.
Nazionalità Coordinatore	Italy [IT]
Totale costo	750˙000 €
EC contributo	750˙000 €
Programma	FP7-IDEAS-ERC Specific programme: "Ideas" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
Code Call	ERC-2007-StG
Funding Scheme	ERC-SG
Anno di inizio	2008
Periodo (anno-mese-giorno)	2008-07-01   -   2013-06-30

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	CONSIGLIO NAZIONALE DELLE RICERCHE  Organization address address: Piazzale Aldo Moro 7 city: ROMA postcode: 185 contact info Titolo: Dr. Nome: Annalisa Cognome: Buffa Email: send email Telefono: -548579 Fax: -548643	IT (ROMA)	hostInstitution	0.00
2	CONSIGLIO NAZIONALE DELLE RICERCHE  Organization address address: Piazzale Aldo Moro 7 city: ROMA postcode: 185 contact info Titolo: Dr. Nome: Giovanni Cognome: Sacchi Email: send email Telefono: +39 0382 548211 Fax: +39 0382 548300	IT (ROMA)	hostInstitution	0.00

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 Obiettivo del progetto (Objective)

'Partial Differential Equations (PDEs) are one of the most powerful mathematical modeling tool and their use spans from life science to engineering and physics. In abstract terms, PDEs describe the distribution of a field on a physical domain. The Finite Element Method (FEM) is by large the most popular technique for the computer-based simulation of PDEs and hinges on the assumption that the discretized domain and field are represented both by means of piecewise polynomials. Such an isoparametric feature is at the very core of FEM. However, CAD software, used in industry for geometric modeling, typically describes physical domains by means of Non-Uniform Rational B-Splines (NURBS) and the interface of CAD output with FEM calls for expensive re-meshing methods that result in approximate representation of domains. This project aims at developing isoparametric techniques based on NURBS for simulating PDEs arising in electromagnetics, fluid dynamics and elasticity. We will consider discretization schemes that are compatible in the sense that the discretized models embody conservation principles of the underlying physical phenomenon (e.g. charge in electromagnetism, mass and momentum in fluid motion and elasticity). The key benefits of NURBS-based methods are: exact representation of the physical domain, direct use of the CAD output, a substantial increase of the accuracy-to-computational-effort ratio. NURBS schemes start appearing in the Engineering literature and preliminary results show that they hold great promises. However, their understanding is still in infancy and sound mathematical groundings are crucial to quantitatively assess the performance of NURBS techniques and to design new effective computational schemes. Our research will combine competencies in different fields of mathematics besides numerical analysis, such as functional analysis and differential geometry, and will embrace theoretical issues as well as computational testing.'