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Cornell Fracture Group

The CFG members include Prof. Tony Ingraffea, research associates, and graduate students. The CFG mission is to create, to verify, and to validate state-of-the-art computational fracture mechanics simulators for arbitrary crack propagation in engineered and natural structures. We have included some tutorial and demo simulations to illustrate some of the features and capabilities of the simulators. An equally important focus of the group is education at all levels.  Our current and past research has focused on both experimental testing and numerical simulation of fatigue and fracture in a variety of materials. The research has been documented and cited in a number of theses, conference proceedings, reports, and journal articles.

Recruitment advertisement.

Computational Modeling Toolset Pamphlet

Software Releases and Updates

bulletVersion 3.2 of FRANC3D and OSM for RedHat Linux, and MS Windows have been posted.  Documentation will be posted for version 3.2 if we ever get time to update it.
bulletUpdates to BES have been posted.
bulletUpdates to FRANC2D and Cornell's FRANC2D/L have been posted. The castofranc translator has been updated to work with Cornell's version of CASCA and FRANC2D/L.  castofranc is available from the Cornell FRANC2D/L software page. Note that the KSU version or other older versions of CASCA, FRANC2D and FRANC2D/L used fixed fields of width 5 to list node id's for elements.  We now use a free format and old versions of the code will not work with the new format.

NOTE: we try to test all links and all versions of all codes, but if you find a problem - please send us email.

Disclaimer

If you download and use the software made available here, please read the Policy Statement on the Software page.  Also please read the News&FAQs if you have trouble using the software, especially 'Cygwin' executables.  We will attempt to answer questions or fix problems in the software, but we are not obligated to provide such service. If you do ask for help with a particular problem, please provide as much detail as possible including input files, drawings, etc.  The software that is provided here is intended for people with experience in fracture mechanics and boundary or finite elements.  Please do not ask us for items that are not made available here - these types of requests will likely be ignored.

CFG Highlights

bulletCongratulations are due Tony Ingraffea. Tony has received the Richard J. Almeida Award from Project High Jump. The award is "given each year to an individual whose dedication and contribution to High Jump have been extraordinary." The award was established in 2004 by the High Jump Board of Directors in honor of its chairman.

High Jump is an important outreach program, designed to provide support and stimulus to middle-school students in Chicago, helping them to prepare for success in some of the most challenging, college preparatory high schools in the country. For more information, see

http://www.highjumpchicago.org/

 
bullet
Bazant, Z., Yu, Q., Gerstle, W., Hanson, J., and Ju, J. W.,
"Justification of ACI 446 Proposal for Updating ACI Code Provisions for Shear Design of Reinforced Concrete Beams" ACI Structural Journal, Vol. 104, No. 5, p. 601-610, Sept. - Oct. 2007

has been awarded the 2008 Publication Award of Merit by the Structural Engineers Association of Illinois. This award lends support to our shear size effect proposal to ACI 318E.

Professors Gerstle and Hanson are graduates of the Cornell Fracture Group. Congratulations to both!

 
 

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For problems or questions, contact [cfg "at" www.cfg.cornell.edu].
Last updated: 07/20/07.