Buckling of cracked functionally graded plates supported by Pasternak foundation

Danial Panahandeh-Shahraki; Ahmad Amiri Rad

doi:10.1016/j.ijmecsci.2014.08.012

Buckling of cracked functionally graded plates supported by Pasternak foundation

Danial Panahandeh-Shahraki, Ahmad Amiri Rad

Onderzoeksoutput: Bijdrage aan tijdschrift › Tijdschriftartikel › Academic › peer review

11 Citaten (Scopus)

Samenvatting

Buckling of cracked functionally graded plates resting on Pasternak foundation under tension has been studied. Classical plate theory in framework of the finite element method has been used. Shape functions for elements surrounding crack tips have been derived using previous solutions of displacement fields around crack tips. In-plane loads have been obtained by a pre-buckling solution using quarter-point elements around crack tips. Results show that an increase of foundation stiffness, leads to greater values of buckling loads. For longer cracks the effect of foundation stiffness on buckling load diminishes. For bi-axial loading such stiffness has less effect on buckling compared to uni-axial case.

Originele taal-2	Engels
Pagina's (van-tot)	221-231
Aantal pagina's	11
Tijdschrift	International Journal of Mechanical Sciences
Volume	88
DOI's	https://doi.org/10.1016/j.ijmecsci.2014.08.012
Status	Gepubliceerd - nov 2014
Extern gepubliceerd	Ja

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10.1016/j.ijmecsci.2014.08.012

Link to publication in Scopus

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Citeer dit

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title = "Buckling of cracked functionally graded plates supported by Pasternak foundation",

abstract = "Buckling of cracked functionally graded plates resting on Pasternak foundation under tension has been studied. Classical plate theory in framework of the finite element method has been used. Shape functions for elements surrounding crack tips have been derived using previous solutions of displacement fields around crack tips. In-plane loads have been obtained by a pre-buckling solution using quarter-point elements around crack tips. Results show that an increase of foundation stiffness, leads to greater values of buckling loads. For longer cracks the effect of foundation stiffness on buckling load diminishes. For bi-axial loading such stiffness has less effect on buckling compared to uni-axial case.",

keywords = "Buckling, Crack, Finite element method, Fracture mechanics, Functionally graded plates, Pasternak foundation",

author = "Danial Panahandeh-Shahraki and {Amiri Rad}, Ahmad",

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AB - Buckling of cracked functionally graded plates resting on Pasternak foundation under tension has been studied. Classical plate theory in framework of the finite element method has been used. Shape functions for elements surrounding crack tips have been derived using previous solutions of displacement fields around crack tips. In-plane loads have been obtained by a pre-buckling solution using quarter-point elements around crack tips. Results show that an increase of foundation stiffness, leads to greater values of buckling loads. For longer cracks the effect of foundation stiffness on buckling load diminishes. For bi-axial loading such stiffness has less effect on buckling compared to uni-axial case.

KW - Buckling

KW - Crack

KW - Finite element method

KW - Fracture mechanics

KW - Functionally graded plates

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