NUMSIM

Numerical simulation in technical sciences

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 Obiettivo del progetto (Objective)

'Computer simulation plays an increasing role in technical sciences and allows the detailed investigation of physical phenomena way beyond what can be achieved in the laboratory. It is used extensively in the industry for example for rapid prototyping or for reducing the risk in underground construction. The aim of the project is to bring together groups of scientists in Latin America and Europe that are working on innovative methods for the computer simulation of physical processes in technical sciences. There are several world -renowned groups working in Europe and Latin America on the development of innovative methods for simulation, for example Boundary Element methods and coupled methods that can save considerable time and effort. Notably, Brazil has played and is playing an important role in the development of Boundary Element methods. There have been some loose connections between some groups in the past but a considerable benefit for the ERA could be gained by a close collaboration, initiated through the exchange of staff. Some specific topics that will be addressed are: Simulation of corrosion protection Adaptive coupling of methods, depending on the physical phenomena to be modelled High performance computing and fast methods Computer graphics and mesh generation'

Introduzione (Teaser)

Researchers from EU and Latin America developed improved simulation tools. Applications include meshless corrosion protection and the efficient simulation of large engineering problems using parallel computers.

Descrizione progetto (Article)

Computer simulation is an invaluable part of many technical subjects, including engineering design and scientific research. Advantages include an ability to study physical phenomena without the expense and difficulty of laboratory testing; sometimes, simulation is the only practical method.

The EU-funded NUMSIM (Numerical simulation in technical sciences) project aimed to unite researchers on the subject from Europe and Latin America. The partnership, including five European members, addressed three subtopics. First was simulation of corrosion protection: advancing existing boundary element method (BEM) models for cathodic protection. The second topic, computer graphics and adaptive coupling, involved development of techniques able to ascertain where one modelling method becomes more suitable than another. Lastly, high-performance computing meant development of parallel computing tools for use in large engineering problems. The four-year project concluded in October 2014.

All proposed aspects of the project were achieved. Team members developed meshless methods for optimising cathodic protection systems. Work included advanced BEM models based on optimisation of problems involving multiple materials, plus isogeometric boundary element formulations for application in future models. Researchers also developed software to validate the modelling outcomes.

Results of the second subtopic included development and implementation of models, algorithms and other elements of computer graphics that support interactive technical software. Much of the effort involved development of pre- and post-processing systems, including adaptive simulation techniques. Results are applicable to crack propagation in solids, tunnel excavation and identification of non-linearities.

Lastly, work on the high-performance computing subtopic involved development of a special framework for solving problems affecting fluid-structure interaction. An additional result was development of parallel boundary element software.

NUMSIM achieved sophisticated simulation tools that exceed the state of the art. The work included development of necessary software, plus the training of ESR project members in advanced modelling techniques.