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  • variational principle  (1)
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    Electronic Resource
    Electronic Resource
    Determination of the driving force acting on a kinked crack (1999)
    Springer
    Archive of applied mechanics 69 (1999), S. 337-344 
    Details
    ISSN: 1432-0681
    Keywords: Key words mixed mode ; kinked crack ; driving force ; variational principle
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Summary A variational principle is formulated for a body containing a crack in equilibrium. An expression for the driving force acting on the crack admitting nontangential virtual crack extensions is derived. As a consequence of a variational principle, crack equilibrium criterion under mixed-mode loading conditions is obtained. For general 3-D problems, the magnitude as well as the direction of the driving force are precisely determined. Fracture locus for three combined modes is calculated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004190050224
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