Calculation of J1 and J2 using the L and M integrals

Path-independent integrals of linear plane elasticity are treated analytically and numerically. The application of the integrals and their physical significance in terms of energy-release rates are illustrated with a closed-form solution of the hole-dislocation-interaction problem. It is shown that...

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Veröffentlicht in:	International journal of fracture 1990-06, Vol.43 (3), p.213-225
Hauptverfasser:	KIENZLER, R, KORDISCH, H
Format:	Artikel
Sprache:	eng
Schlagworte:	Exact sciences and technology Fracture mechanics (crack, fatigue, damage...) Fundamental areas of phenomenology (including applications) Physics Solid mechanics Structural and continuum mechanics
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Beschreibung
Zusammenfassung:	Path-independent integrals of linear plane elasticity are treated analytically and numerically. The application of the integrals and their physical significance in terms of energy-release rates are illustrated with a closed-form solution of the hole-dislocation-interaction problem. It is shown that the use of the L and M integrals, besides J1 and J2, is beneficial to the numerical investigation of cracks under mixed-mode conditions. (Author)
ISSN:	0376-9429 1573-2673
DOI:	10.1007/BF00018343