How periodic surfaces bend
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arXiv
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866917761646592000 |
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| author | Nassar, Hussein |
| author_facet | Nassar, Hussein |
| contents | A periodic surface is one that is invariant by a 2D lattice of translations. Deformation modes that stretch the lattice without stretching the surface are effective membrane modes. Deformation modes that bend the lattice without stretching the surface are effective bending modes. For periodic, piecewise smooth, simply connected surfaces, it is shown that the effective membrane modes are, in a sense, orthogonal to effective bending modes. This means that if a surface gains a membrane mode, it loses a bending mode, and conversely, in such a way that the total number of modes, membrane and bending combined, can never exceed 3. Various examples, inspired from curved-crease origami tessellations, illustrate the results. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2408_15856 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | How periodic surfaces bend Nassar, Hussein Differential Geometry Soft Condensed Matter A periodic surface is one that is invariant by a 2D lattice of translations. Deformation modes that stretch the lattice without stretching the surface are effective membrane modes. Deformation modes that bend the lattice without stretching the surface are effective bending modes. For periodic, piecewise smooth, simply connected surfaces, it is shown that the effective membrane modes are, in a sense, orthogonal to effective bending modes. This means that if a surface gains a membrane mode, it loses a bending mode, and conversely, in such a way that the total number of modes, membrane and bending combined, can never exceed 3. Various examples, inspired from curved-crease origami tessellations, illustrate the results. |
| title | How periodic surfaces bend |
| topic | Differential Geometry Soft Condensed Matter |
| url | https://arxiv.org/abs/2408.15856 |