MS 807 – Advanced Computational Strategies for Modelling, Simulation and Characterisation of Multi-Scale Heterogeneous Materials

ECCOMAS Congress 2016

5 – 10 JUNE 2016 Crete Island, Greece

European Congress on Computational Methods in Applied Sciences and Engineering
MS 807 – Advanced Computational Strategies for Modelling, Simulation and Characterisation of Multi-Scale Heterogeneous Materials

 

Dear Colleague,

 

Stéphane Bordas, Fabrice Pierron, Pierre Kerfriden, Pascal Lava, Timon Rabczuk, and Daniel Dias-da-Costa, would like to invite you and your co-workers to participate in the mini-symposium

 

MS 807 – Advanced Computational Strategies for Modelling, Simulation and Characterisation of Multi-Scale Heterogeneous Materials

 

which is being organised as part of the ECCOMAS Congress 2016 (http://www.eccomas2016.org/).

 

The conference will be held in the Island of Crete, Greece, on June 5-10, 2016. 
If you accept this invitation, please send me an email to daniel.diasdacosta@sydney.edu.au with the title of your presentation at your earliest convenience. 

The abstract can be submitted via the conference website until November 29, 2015.

Below you may find more information regarding the scope of the mini-symposium and instructions for abstract submission.

 

We look forward to hearing from you.

 

Best regards

Stéphane Bordas, Fabrice Pierron, Timon Rabczuk, Pierre Kerfriden, Pascal Lava and Daniel Dias-da-Costa

MS 807 – Advanced Computational Strategies for Modelling, Simulation and Characterisation of Multi-Scale Heterogeneous Materials

A central topic in mechanics consists in building “virtual laboratories” to optimise heterogeneous materials so as to achieve specific targets. This requires building constitutive models on one or more scales, devising and verifying well-suited numerical schemes to solve the resulting mathematical problems numerically and, most importantly, to design and optimise experimental techniques to ensure the observability of relevant quantities, and validate the models. Materials are heterogeneous or even discrete at some scale. Those heterogeneities can be accounted for either by averaging properties at smaller scales, or by considering explicitly the micro/meso structures of the materials. However, when failure occurs, it is no longer possible to separate micro from macro effects and more advanced strategies are required, such as the error-controlled adaptive model order reduction or adaptive hybrid multi-scale methods. Discretising the heterogeneities, cracks, dislocations and defects can be cumbersome using standard finite element methods. Enrichment and implicit boundary strategies can be applied to deal with complex and evolving boundaries/geometries, whereas other approaches aim at completely abolishing the need for finite element meshes. 
Sharing some appealing properties with mesh-free methods, isogeometric methods were recently introduced with the aim to simplify the design-through analysis concept and were recently used for digital image correlation. Such full-field techniques, used to measure material deformation, have brought up a revolution in mechanical testing of materials. The visualisation of deformation maps enables researchers to naturally address heterogeneities. In particular, the Digital Image Correlation (DIC) and grid-based methods are particularly appealing thanks to their simplicity and reasonably low cost. There are also techniques to measure deformation in the bulk of materials, such as Digital Volume Correlation (DVC). The identification of material parameters from such full-field kinematic measurements can be done using finite element model updating for material parameter identification. An alternative technique called the Virtual Fields Method (VFM) relies on global equilibrium equations and efficiently deals with parameter identification of non-linear constitutive laws or heterogeneous materials. Furthermore, this approach relaxes strong constraints on specimen shape and load, opening the possibility of a very large design space for novel experimental procedures.
This mini-symposium aims at gathering all these innovative computational aspects in the scope of heterogeneous materials. Both theoretical, numerical and practical examples are welcome.

Instructions for Abstract Submission

In order to submit your abstract, first you need to register on the Congress website. After completing this pre-registration form (alternatively clickRegister at the top-right of the Congress webpage), you will receive an email to validate your Account. After validation, you will receive a second email with your Username and password, which will be used to login to your ECCOMAS Congress 2016 Account. From your Account Overview Menuclick My Abstracts/My Papers and then click Submit an abstract. ChooseSubmit to Minisymposium, then Select MS and proceed with the Abstract Submission.