Details
| Originalsprache | Englisch |
|---|---|
| Titel des Sammelwerks | Current Trends and Open Problems in Computational Mechanics |
| Herausgeber (Verlag) | Springer International Publishing AG |
| Seiten | 15-22 |
| Seitenumfang | 8 |
| ISBN (elektronisch) | 9783030873127 |
| ISBN (Print) | 9783030873110 |
| Publikationsstatus | Veröffentlicht - 13 März 2022 |
Abstract
In this contribution, the phase-field PF approach to brittle fracture is extended to model fatigue failure in the high cyclic regime. Fatigue is the primary failure mode for more than 90% of mechanical failures. It occurs when a structure is subjected to repeated loading at stress levels that are below the yield stress of the material. On the modeling side, a local energy accumulation variable which takes the loading history of a structure into account is introduced within the PF formulation. This is inserted into a fatigue degradation function which degrades the fracture material properties. To this end, only one additional parameter is proposed, that enables the reproduction of main material fatigue features. The model performance is demonstrated by two representative numerical examples.
ASJC Scopus Sachgebiete
- Ingenieurwesen (insg.)
- Allgemeiner Maschinenbau
- Informatik (insg.)
- Allgemeine Computerwissenschaft
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Current Trends and Open Problems in Computational Mechanics. Springer International Publishing AG, 2022. S. 15-22.
Publikation: Beitrag in Buch/Bericht/Sammelwerk/Konferenzband › Beitrag in Buch/Sammelwerk › Forschung › Peer-Review
}
TY - CHAP
T1 - Phase-Field Modeling of Fatigue Crack Propagation in Brittle Materials
AU - Aldakheel, Fadi
AU - Schreiber, Chistoph
AU - Müller, Ralf
AU - Wriggers, Peter
N1 - The corresponding author Fadi Aldakheel gratefully acknowledges support for this research by the “German Research Foundation” (DFG) within SPP 2020-WR 19/58-2. Christoph Schreiber and Ralf Müller acknowledge the funding by DFG within IRTG 2057-2524083 and SPP 1748-255846293.
PY - 2022/3/13
Y1 - 2022/3/13
N2 - In this contribution, the phase-field PF approach to brittle fracture is extended to model fatigue failure in the high cyclic regime. Fatigue is the primary failure mode for more than 90% of mechanical failures. It occurs when a structure is subjected to repeated loading at stress levels that are below the yield stress of the material. On the modeling side, a local energy accumulation variable which takes the loading history of a structure into account is introduced within the PF formulation. This is inserted into a fatigue degradation function which degrades the fracture material properties. To this end, only one additional parameter is proposed, that enables the reproduction of main material fatigue features. The model performance is demonstrated by two representative numerical examples.
AB - In this contribution, the phase-field PF approach to brittle fracture is extended to model fatigue failure in the high cyclic regime. Fatigue is the primary failure mode for more than 90% of mechanical failures. It occurs when a structure is subjected to repeated loading at stress levels that are below the yield stress of the material. On the modeling side, a local energy accumulation variable which takes the loading history of a structure into account is introduced within the PF formulation. This is inserted into a fatigue degradation function which degrades the fracture material properties. To this end, only one additional parameter is proposed, that enables the reproduction of main material fatigue features. The model performance is demonstrated by two representative numerical examples.
UR - http://www.scopus.com/inward/record.url?scp=85153820482&partnerID=8YFLogxK
U2 - 10.1007/978-3-030-87312-7_2
DO - 10.1007/978-3-030-87312-7_2
M3 - Contribution to book/anthology
AN - SCOPUS:85153820482
SN - 9783030873110
SP - 15
EP - 22
BT - Current Trends and Open Problems in Computational Mechanics
PB - Springer International Publishing AG
ER -