Computational modelling of high performance materials (DCB.6623)

Project nummer: dcb6623

Omschrijving van het onderzoek

The ever-increasing complexity of engineering problems is placing enormous demands on the computational tools available to engineers. Daring civil engineering projects with sophisticated high-performance materials such as reinforced soils, high-strength DCB.6623 03-09-2004 concrete, fibre-reinforced polymers, laminated composites and engineered cementitious composites, are planned for the future. For the safe and economically viable modelling computational tools are needed to analyse these complex problems. In this project a new category of computational techniques will be proposed for the analysis of high- performance materials and innovative structures. Research in the field of high-performance materials is still in an initial stage. Since these materials derive the excellent material properties from their micro-structure a solid micro-mechanical framework is necessary. A multi-scale computational strategy will be set up to account for multi-scale deformation and failure processes. The computational modelling is aimed at bridging the different length scales in the material. The spatial variability of the micro-structural properties and its influence on the macro-scale parameters is investigated. Furthermore, the relevant coupled hydro-mechanical, thermo-mechanical and chemo-mechanical processes will be incorporated in the formulation. A material modelling according to the above requirements is computationally extremely demanding, even more when three-dimensional computations are needed. For this reason, algorithms must be adapted for the nonlinear analysis of large-scale structures on massive parallel computers and efficient adaptive schemes (mesh de- and re-finement strategies) must be developed. On one hand, this research contributes to materials research since the improvement of high-performance materials with respect to strength, ductility, durability and fracture properties can be studied. On the other hand, the structural engineer in practice can use the computational tools for the analysis of high-performance materials in structural components or structures.

Projectleider

Dr.ir. L.J. Sluys

Technische Universiteit Delft
Civiele Techniek en Geowetenschappen
Afd. Mechanica Materialen en Constructies

Postbus 5048
2600 GA Delft

Status van het project

Gestart	: 01-06-2005
Einddatum	: 22-12-2009

Trefwoorden

high-performance materials, multi-scale modelling, optimization techniques, multi-physics problems, adaptive computational techniques

Print | Over deze site |

Sitemap | Voorbehoud | Gewijzigd 7-3-2006