Discussion of hardening effects on phase field models for fracture
Phase field models have been successfully applied in recent years to a variety of fracture mechanics problems, such as quasi-brittle materials, dynamic fracture mechanics, fatigue cracks in brittle materials, as well as ductile materials. The basic idea of the method is to introduce an additional te...
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EDP Sciences
2021
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oai:doaj.org-article:a224567a533045e7846e3f004c2e1fb32021-12-02T17:13:46ZDiscussion of hardening effects on phase field models for fracture2261-236X10.1051/matecconf/202134902001https://doaj.org/article/a224567a533045e7846e3f004c2e1fb32021-01-01T00:00:00Zhttps://www.matec-conferences.org/articles/matecconf/pdf/2021/18/matecconf_iceaf2021_02001.pdfhttps://doaj.org/toc/2261-236XPhase field models have been successfully applied in recent years to a variety of fracture mechanics problems, such as quasi-brittle materials, dynamic fracture mechanics, fatigue cracks in brittle materials, as well as ductile materials. The basic idea of the method is to introduce an additional term in the energy functional describing the state of material bodies. A new state variable is included in this term, the so-called phase field, and enables to determine the surface energy of the crack. This approach allows to model phenomena such as crack initiation, crack branching and buckling of cracks, as well as the modelling of the crack front in three-dimensional geometries, without further assumptions. There is yet no systematic investigation of the influence of strain hardening on crack development within the phase field method. Thus, the aim of the paper is to provide an analysis of the effect of kinematic and isotropic hardening on the evolution of the phase field variable.Tsakmakis ArisVormwald MichaelEDP SciencesarticleEngineering (General). Civil engineering (General)TA1-2040ENFRMATEC Web of Conferences, Vol 349, p 02001 (2021) |
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EN FR |
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Engineering (General). Civil engineering (General) TA1-2040 |
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Engineering (General). Civil engineering (General) TA1-2040 Tsakmakis Aris Vormwald Michael Discussion of hardening effects on phase field models for fracture |
| description |
Phase field models have been successfully applied in recent years to a variety of fracture mechanics problems, such as quasi-brittle materials, dynamic fracture mechanics, fatigue cracks in brittle materials, as well as ductile materials. The basic idea of the method is to introduce an additional term in the energy functional describing the state of material bodies. A new state variable is included in this term, the so-called phase field, and enables to determine the surface energy of the crack. This approach allows to model phenomena such as crack initiation, crack branching and buckling of cracks, as well as the modelling of the crack front in three-dimensional geometries, without further assumptions. There is yet no systematic investigation of the influence of strain hardening on crack development within the phase field method. Thus, the aim of the paper is to provide an analysis of the effect of kinematic and isotropic hardening on the evolution of the phase field variable. |
| format |
article |
| author |
Tsakmakis Aris Vormwald Michael |
| author_facet |
Tsakmakis Aris Vormwald Michael |
| author_sort |
Tsakmakis Aris |
| title |
Discussion of hardening effects on phase field models for fracture |
| title_short |
Discussion of hardening effects on phase field models for fracture |
| title_full |
Discussion of hardening effects on phase field models for fracture |
| title_fullStr |
Discussion of hardening effects on phase field models for fracture |
| title_full_unstemmed |
Discussion of hardening effects on phase field models for fracture |
| title_sort |
discussion of hardening effects on phase field models for fracture |
| publisher |
EDP Sciences |
| publishDate |
2021 |
| url |
https://doaj.org/article/a224567a533045e7846e3f004c2e1fb3 |
| work_keys_str_mv |
AT tsakmakisaris discussionofhardeningeffectsonphasefieldmodelsforfracture AT vormwaldmichael discussionofhardeningeffectsonphasefieldmodelsforfracture |
| _version_ |
1718381336232722432 |