Fracture energy for crack propagation in a 4 points bending notched beam
Hi everyone,
Anyone can tell me how to determine the fracture energy for crack propagation in a 4 points bending notched beam (mode I)?
Blog posts
Elsevier launches new Journal of the Mechanical Behavior of Biomedical Materials
I am pleased to announce that Volume 1, Number 1 (January 2008) of the Journal of the Mechanical Behavior of Biomedical Materials is published in both print and online on ScienceDirect. This first issue contains three excellent review articles on bone and dentin, human enamel, and biocompatability of Ti-alloys as well as eight research papers.
Very glad to see the change
I am very pleased to see the way you approach things to fulfil the interest of us and choose the right compromiser. In this method of teaching and learning we can work on or weaknesses i.e. not paying attention to the lecturer, but now everybody have to listen and write it again in order to get a mark. It is also a fair system to everyone to get what they deserve and work hard to achieve their mission.
Thoughts on digital scholarship in engineering
The Website CreateChange has recently done a Q&A with me. Here is the transcript.
Musings on continuum thermodynamic formalism and (yet another) damage model
A technique for setting up generalized continuum theories based on a balance law and nonlocal thermodynamics is suggested. The methodology does not require the introduction of gradients of the internal variable in the free energy. Elements of a generalized damage model with porosity as the internal variable are developed as an example.
New perspectives in plasticity theory
A field theory of dislocation mechanics and plasticity is illustrated through new results at the nano, meso, and macro scales. Specifically, dislocation nucleation, the occurrence of wave-type response in quasi-static plasticity, and a jump condition at material interfaces and its implications for analysis of deformation localization are discussed.
Opening for new Ph.D. students in the computational mechanics group, University of Iowa
The computational mechanics group at The University of Iowa, led by Professor S. Rahman, is looking for new Ph.D. students, who are capable of and interested in performing high-quality graduate research in stochastic dynamics and want to pursue academic/research career afterwards. The research, supported by NSF and others, entails developing new decomposition methods for solving general random eigenvalue problems encountered in engineering and sciences. The topic covers dynamics (mechanics), stochastics, and computational methods.
Permanent position available / thin film and surface mechanics
Position available / thin film and surface mechanics
“Surface du Verre et Interfaces”, a joint CNRS/Saint-Gobain research laboratory in Paris, is hiring a research scientist to strengthen its activities on thin films mechanics. For more information:
http://www.saint-gobain-recherche.com/svi/en/pages/StaffPositions.htm
Dr Etienne Barthel CNRS/Saint-GobainSurface du Verre et Interfaces BP 135 F-93303 Aubervilliers Cedex France
Journal Club Theme of October 2007: Irreversible thermodynamics of continuous media
The second half of the last century saw exciting developments in formulating mathematically rigorous yet physically well founded theories for irreversible thermodynamics in a continuum mechanics framework. The development took place within communities with widely different scientific backgrounds and motivations. In general, two divergent schools existed (and possibly exit): one of them having its roots in the works of I. Prigogine and S. R. de Groot, and the other initiated by C. Truesdell, B. D. Coleman and W. Noll.