Details
| Original language | English |
|---|---|
| Pages (from-to) | 377-396 |
| Number of pages | 20 |
| Journal | Computer Methods in Applied Mechanics and Engineering |
| Volume | 198 |
| Issue number | 3-4 |
| Publication status | Published - 29 Aug 2008 |
Abstract
In this work, a contact homogenization technique is developed to extract the macroscopic coefficient of friction (CF) from a three-body frictional system. The particular frictional system under consideration consists of rigid particles embedded between a finitely deformable elastic solid and a rigid surface. The challenge of the problem lies in modeling the interaction between the particles with the finite element mesh, as well as in the dynamic nature of the problem. In order to extract the macroscopic CF, a microscopic sample is analyzed in a time-adaptive dynamic setting and the macroscopic CF is identified as the ratio of tangential force to normal force applied to the sample. In order to alleviate dynamic effects, time averaging is employed. The identification of a representative contact element (RCE) and the application of proper boundary conditions are discussed for periodic and random arrangements of the particles in the interface with a particular emphasis on the nature of the micro-to-macro transition procedure. Finally, the implementation of the model in a coupled micro-macro simulation using a RCE is discussed in the context of multiscale analysis.
Keywords
- Contact, Homogenization, Micromechanics, Multiscale analysis
ASJC Scopus subject areas
- Engineering(all)
- Computational Mechanics
- Engineering(all)
- Mechanics of Materials
- Engineering(all)
- Mechanical Engineering
- Physics and Astronomy(all)
- Computer Science(all)
- Computer Science Applications
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In: Computer Methods in Applied Mechanics and Engineering, Vol. 198, No. 3-4, 29.08.2008, p. 377-396.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - A multiscale contact homogenization technique for the modeling of third bodies in the contact interface
AU - Temizer, I.
AU - Wriggers, Peter
PY - 2008/8/29
Y1 - 2008/8/29
N2 - In this work, a contact homogenization technique is developed to extract the macroscopic coefficient of friction (CF) from a three-body frictional system. The particular frictional system under consideration consists of rigid particles embedded between a finitely deformable elastic solid and a rigid surface. The challenge of the problem lies in modeling the interaction between the particles with the finite element mesh, as well as in the dynamic nature of the problem. In order to extract the macroscopic CF, a microscopic sample is analyzed in a time-adaptive dynamic setting and the macroscopic CF is identified as the ratio of tangential force to normal force applied to the sample. In order to alleviate dynamic effects, time averaging is employed. The identification of a representative contact element (RCE) and the application of proper boundary conditions are discussed for periodic and random arrangements of the particles in the interface with a particular emphasis on the nature of the micro-to-macro transition procedure. Finally, the implementation of the model in a coupled micro-macro simulation using a RCE is discussed in the context of multiscale analysis.
AB - In this work, a contact homogenization technique is developed to extract the macroscopic coefficient of friction (CF) from a three-body frictional system. The particular frictional system under consideration consists of rigid particles embedded between a finitely deformable elastic solid and a rigid surface. The challenge of the problem lies in modeling the interaction between the particles with the finite element mesh, as well as in the dynamic nature of the problem. In order to extract the macroscopic CF, a microscopic sample is analyzed in a time-adaptive dynamic setting and the macroscopic CF is identified as the ratio of tangential force to normal force applied to the sample. In order to alleviate dynamic effects, time averaging is employed. The identification of a representative contact element (RCE) and the application of proper boundary conditions are discussed for periodic and random arrangements of the particles in the interface with a particular emphasis on the nature of the micro-to-macro transition procedure. Finally, the implementation of the model in a coupled micro-macro simulation using a RCE is discussed in the context of multiscale analysis.
KW - Contact
KW - Homogenization
KW - Micromechanics
KW - Multiscale analysis
UR - http://www.scopus.com/inward/record.url?scp=55649101176&partnerID=8YFLogxK
U2 - 10.1016/j.cma.2008.08.008
DO - 10.1016/j.cma.2008.08.008
M3 - Article
AN - SCOPUS:55649101176
VL - 198
SP - 377
EP - 396
JO - Computer Methods in Applied Mechanics and Engineering
JF - Computer Methods in Applied Mechanics and Engineering
SN - 0045-7825
IS - 3-4
ER -