A brittle fracture criterion for PMMA V-notches tensile specimens based on a length-enriched eXtended Finite Element approach
A criterion for the prediction of the static failure loads in tensile PMMA specimens with sharp notches is presented. The proposed criterion is based on a regularized version of the eXtended Finite Element Method (XFEM), which has been previously applied to concrete-like materials. The main feature...
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| Format: | Article |
| Language: | English |
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Gruppo Italiano Frattura
2011-07-01
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| Series: | Fracture and Structural Integrity |
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| Online Access: | http://www.gruppofrattura.it/pdf/rivista/numero17/numero_17_art_3.pdf |
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| _version_ | 1841564242689392640 |
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| author | P. Livieri R.Tovo E. Benvenuti |
| author_facet | P. Livieri R.Tovo E. Benvenuti |
| author_sort | P. Livieri |
| collection | DOAJ |
| description | A criterion for the prediction of the static failure loads in tensile PMMA specimens with sharp notches is presented. The proposed criterion is based on a regularized version of the eXtended Finite Element Method (XFEM), which has been previously applied to concrete-like materials. The main feature of the proposed approach is that the cracking process is not treated as a local process, but it is modeled by assuming that macro-cracks stem from the interaction of micro-cracks within a finite width process zone. The case of a brittle materials with thin process zone is tackled by assuming one layer of enriched finite elements. Preliminary results concerning PMMA specimens subjected to mode-one loading are presented. |
| format | Article |
| id | doaj-art-5f6e9eb115924b9eae129d00baca6f6b |
| institution | Kabale University |
| issn | 1971-8993 |
| language | English |
| publishDate | 2011-07-01 |
| publisher | Gruppo Italiano Frattura |
| record_format | Article |
| series | Fracture and Structural Integrity |
| spelling | doaj-art-5f6e9eb115924b9eae129d00baca6f6b2025-01-02T23:01:17ZengGruppo Italiano FratturaFracture and Structural Integrity1971-89932011-07-015172331A brittle fracture criterion for PMMA V-notches tensile specimens based on a length-enriched eXtended Finite Element approachP. LivieriR.TovoE. BenvenutiA criterion for the prediction of the static failure loads in tensile PMMA specimens with sharp notches is presented. The proposed criterion is based on a regularized version of the eXtended Finite Element Method (XFEM), which has been previously applied to concrete-like materials. The main feature of the proposed approach is that the cracking process is not treated as a local process, but it is modeled by assuming that macro-cracks stem from the interaction of micro-cracks within a finite width process zone. The case of a brittle materials with thin process zone is tackled by assuming one layer of enriched finite elements. Preliminary results concerning PMMA specimens subjected to mode-one loading are presented.http://www.gruppofrattura.it/pdf/rivista/numero17/numero_17_art_3.pdfStatic failure criteriaPMMAXFEM |
| spellingShingle | P. Livieri R.Tovo E. Benvenuti A brittle fracture criterion for PMMA V-notches tensile specimens based on a length-enriched eXtended Finite Element approach Fracture and Structural Integrity Static failure criteria PMMA XFEM |
| title | A brittle fracture criterion for PMMA V-notches tensile specimens based on a length-enriched eXtended Finite Element approach |
| title_full | A brittle fracture criterion for PMMA V-notches tensile specimens based on a length-enriched eXtended Finite Element approach |
| title_fullStr | A brittle fracture criterion for PMMA V-notches tensile specimens based on a length-enriched eXtended Finite Element approach |
| title_full_unstemmed | A brittle fracture criterion for PMMA V-notches tensile specimens based on a length-enriched eXtended Finite Element approach |
| title_short | A brittle fracture criterion for PMMA V-notches tensile specimens based on a length-enriched eXtended Finite Element approach |
| title_sort | brittle fracture criterion for pmma v notches tensile specimens based on a length enriched extended finite element approach |
| topic | Static failure criteria PMMA XFEM |
| url | http://www.gruppofrattura.it/pdf/rivista/numero17/numero_17_art_3.pdf |
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