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- Title
Symmetry Perspectives on Some Auxetic Body-Bar Frameworks.
- Authors
Fowler, Patrick W.; Guest, Simon D.; Tarnai, Tibor
- Abstract
Scalar mobility counting rules and their symmetry extensions are reviewed for finite frameworks and also for infinite periodic frameworks of the bar-and-joint, body-joint and body-bar types. A recently published symmetry criterion for the existence of equiauxetic character of an infinite framework is applied to two long known but apparently little studied hinged-hexagon frameworks, and is shown to detect auxetic behaviour in both. In contrast, for double-link frameworks based on triangular and square tessellations, other affine deformations can mix with the isotropic expansion mode.
- Subjects
SCALAR field theory; AUXETIC materials; EXPANSIVE concrete; TESSELLATIONS (Mathematics); SYMMETRY (Physics)
- Publication
Symmetry (20738994), 2014, Vol 6, Issue 2, p368
- ISSN
2073-8994
- Publication type
Article
- DOI
10.3390/sym6020368