Proceedings Vol. 22 (2016)
ENGINEERING MECHANICS 2016
May 9 – 12, 2016, Svratka, Czech Republic
Copyright © 2016 Institute of Thermomechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)
list of papers scientific commitee
pages 121 - 124, full text
The paper covers an issue of accuracy of numerical determination of stress concentration factor values for flat specimens with opposite V-notch. Own calculations were performed with finite element method with application of both meshes types, free mesh and mapped mesh. Dependency of Kt on finite element characteristic size was determined with application of the taken into consideration meshes. Based upon the obtained results, the mesh morphology influence on the accuracy of Kt calculations for the discussed notches was specified. The presented considerations allow for determination of optimum mesh morphology and size for obtaining the precise Kt value at minimum DOF number.
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