Influence of Boundary Conditions on the Simulation of a Diamond-Type Lattice Structure: A Preliminary Study
Joint Authors
Brailovski, Vladimir
Terriault, Patrick
Source
Advances in Materials Science and Engineering
Issue
Vol. 2017, Issue 2017 (31 Dec. 2017), pp.1-8, 8 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2017-06-28
Country of Publication
Egypt
No. of Pages
8
Abstract EN
Emergent additive manufacturing processes allow the use of metallic porous structures in various industrial applications.
Because these structures comprise a large number of ordered unit cells, their design using conventional modeling approaches, such as finite elements, becomes a real challenge.
A homogenization technique, in which the lattice structure is simulated as a fully dense volume having equivalent material properties, can then be employed.
To determine these equivalent material properties, numerical simulations can be performed on a single unit cell of the lattice structure.
However, a critical aspect to consider is the boundary conditions applied to the external faces of the unit cell.
In the literature, different types of boundary conditions are used, but a comparative study is definitely lacking.
In this publication, a diamond-type unit cell is studied in compression by applying different boundary conditions.
If the porous structure’s boundaries are free to deform, then the periodic boundary condition is found to be the most representative, but constraint equations must be introduced in the model.
If, instead, the porous structure is inserted in a rigid enclosure, it is then better to use frictionless boundary conditions.
These preliminary results remain to be validated for other types of unit cells loaded beyond the yield limit of the material.
American Psychological Association (APA)
Terriault, Patrick& Brailovski, Vladimir. 2017. Influence of Boundary Conditions on the Simulation of a Diamond-Type Lattice Structure: A Preliminary Study. Advances in Materials Science and Engineering،Vol. 2017, no. 2017, pp.1-8.
https://search.emarefa.net/detail/BIM-1124490
Modern Language Association (MLA)
Terriault, Patrick& Brailovski, Vladimir. Influence of Boundary Conditions on the Simulation of a Diamond-Type Lattice Structure: A Preliminary Study. Advances in Materials Science and Engineering No. 2017 (2017), pp.1-8.
https://search.emarefa.net/detail/BIM-1124490
American Medical Association (AMA)
Terriault, Patrick& Brailovski, Vladimir. Influence of Boundary Conditions on the Simulation of a Diamond-Type Lattice Structure: A Preliminary Study. Advances in Materials Science and Engineering. 2017. Vol. 2017, no. 2017, pp.1-8.
https://search.emarefa.net/detail/BIM-1124490
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1124490