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Titolo:
Study of crack growth in solid propellants
Autore:
Gdoutos, EE; Papakaliatakis, G;
Indirizzi:
Democritus Univ Thrace, Sch Engn, GR-67100 Xanthi, Greece Democritus Univ Thrace Xanthi Greece GR-67100 n, GR-67100 Xanthi, Greece
Titolo Testata:
FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES
fascicolo: 10, volume: 24, anno: 2001,
pagine: 637 - 642
SICI:
8756-758X(200110)24:10<637:SOCGIS>2.0.ZU;2-H
Fonte:
ISI
Lingua:
ENG
Keywords:
crack growth; solid propellant; resistance curve; hyperelastic material; finite elements; Ogden strain energy potential;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
6
Recensione:
Indirizzi per estratti:
Indirizzo: Gdoutos, EE Democritus Univ Thrace, Sch Engn, GR-67100 Xanthi, Greece Democritus Univ Thrace Xanthi Greece GR-67100 Xanthi, Greece
Citazione:
E.E. Gdoutos e G. Papakaliatakis, "Study of crack growth in solid propellants", FATIG FRACT, 24(10), 2001, pp. 637-642

Abstract

The stress and displacement fields in an edge-cracked sheet specimen made of a solid propellant and subjected to a uniform displacement along its upper and lower faces was studied. The solid propellant was simulated as a by hyperelastic material with constitutive behaviour described by the Ogden strain energy potential. A non-linear finite deformation analysis was performed based on the finite element code ABAQUS. A detailed analysis of the stress field in the vicinity of the crack tip was undertaken. The deformed profiles of the crack faces near the crack tip were determined. The results of stress analysis were coupled with the strain energy density theory to predict the crack growth behaviour including crack initiation, stable crack growth and final termination for two specimens with different dimensions. Crackgrowth resistance curves representing the variation of crack growth increment versus applied displacement were drawn.

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Documento generato il 23/09/20 alle ore 15:53:29