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National Repository of Grey Literature 23 records found  beginprevious21 - 23  jump to record: Search took 0.01 seconds. 
Crack propagation analysis in multilayered pipes
 Bareš, Pavel
The fracture behavior of multilayered pipes applied for water and gas distribution is analyzed in this paper. The attention is focused on numerical modeling of crack propagation through twolayered pipe. Special attention is paid to the influence of interface between the layers on fatigue crack growth. The analysis is performed under the assumption of validity of linear-elastic fracture mechanic. Numerical calculations are performed by finite element method (system ANSYS).
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Modeling of specific cathegory of bi-material bodies with respect to fracture mechanics\' problems solution
 Bareš, Pavel
Paper deal with numerical calculation problems of crack terminating throught an interface between two elastic identical materials with different yield stresses. Calculations are based on finite element method. Crack behaviour is described here by means of crack tip opening displacement CTOD assessed as a translation vector component on the 4. node from the crack tip lies on the crack face when the eight-node elements are used.
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Analysis of a crack groving through an interface of two different materials based on crack tip opening displacement
 Bareš, Pavel ; Knésl, Zdeněk
Paper describes a study of a crack penetrating the interface between two different elastic materials. The conditions of stability of a crack terminating at the interface are formulated. It is supposed that crack stability is controlled by the corresponding value of the crack tip opening displacement. The resulting critical stresses are compared with those obtained by other approaches. Numerical calculations are performed by finite element method (system ANSYS).
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National Repository of Grey Literature : 23 records found   beginprevious21 - 23  jump to record:
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