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Member for

19 weeks 1 day

My profile

Full name

Jan Papuga

URL of homepage

http://www.pragtic.com

Job function

Researcher

Job sector

University

Company or institution

Czech Technical University in Prague

Title of group

Dept. of Mechanics, Biomechanics and Mechatronics

Additional information

PragTic freeware project (http://www.pragtic.com) focused on automated fatigue computation.

FatLim open Internet database (http://www.pragtic.com/experiments.php) for comparison of various multiaxial fatigue models and for collecting available experimental data.

Currently trying to extend this work and gained experience to project PragTicA (http://www.pragtic.com/FP7.php), summary of which follows:

PragTic was created as a response to the current situation in the practical industrial use of commercial fatigue solvers, which are too benevolently used by unskilled people. They are not sufficiently informed about weak points in the fatigue calculation course. A general intrinsic property of fatigue methods is that they are of empiric nature and thus any use outside of verified space is dangerous.
Producers of commercial systems do not provide any warranty on the use of the software itself or of the methods implemented in it and do not inform the user about potential deviations under specific conditions.
PragTicA consortium was thus established with several goals: 1) analysis of the state of the art in specific fatigue areas; 2) a further development of PragTic so that it could be used for the most of common fatigue problems; 3) improvement of existing methods or development of new solutions with direct application and testing with PragTic; 4) experimental work to analyze potential experiments critical to the existing fatigue computation methods; 5) mutual comparison of different fatigue solvers including PragTic on retrieved experimental data; 6) open Internet dissemination of all obtained results. PragTicA project focuses on the fatigue areas concerning: a) notch effect analysis, b) fatigue calculation under multiaxial load conditions, c) seam and spot welded structures, d) riveted structures, e) composite components. PragTic's source code is offered for joint further development to all participants in the consortium.