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Cenaero, with Onera and Cemef, will organize a mini-symposium @ ECCOMAS 2012 on “Damage to fracture strategies, elasto-plastic crack initiation and propagation” - September 10-14, 2012

[27/10/2011]

The 6th European Congress on COmputational Methods in Applied Sciences and engineering (ECCOMAS 2012) will be held in Vienna, Austria, September 10-14, 2012. 

During this conference, Cenaero, in partnership with Onera and Cemef, organizes a mini-symposium entitled “Damage to fracture strategies, elasto-plastic crack initiation and propagation”. The objective is to extend the knowledge on material non-linearities aspects within the framework of fracture, embedding the activities of the SIMUCOMP project. 

The abstract must be submitted by December 15, 2011 at the latest.


For any question related to this topic, please do not hesitate to contact hans.minnebo AT cenaero.be.

The description of the mini-symposium is provided here under:

Cost reduction of new industrial products implies weight and shape optimization. For other products, such as large parts of existing power plants, it can be relevant to extend the predefined lifespan. Both approaches require the improvement of the knowledge of the phenomena that can occur during the lifetime of those products, including the failure process, which is generally modeled using two different approaches:

  1. on the one hand, Continuum Damage Mechanics handles the progressive degradation of the material properties at the microscopic level in a continuous way, by taking into account a softening process;
  2. on the other hand, Fracture Mechanics focuses on the propagation of an initial macroscopic defect (crack) which is often represented in a discontinuous way.

However, the bridge between those two parts of a same problem, which is the assessment of the total life of a part, is still difficult to realize. The transition between continuous damage growth and fracture initiation followed by propagation gives rise to both mechanical and numerical issues.


This mini-symposium tends to gather contributions on damage modeling, fracture mechanics (linear elastic, elasto-plastic), methods to combine both approaches, crack initiation and propagation (cohesive zone models, domain integrals, energetic approaches).



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