Design of cylindrical honeycomb cores – Geometric consideration –
Lightweight and rigid honeycomb cores have a feature as deployable structures, i.e., their shapes can be changed as desired from the viewpoint of manufacturing processes. This paper presents a geometrical design method for cylindrical honeycomb cores that satisfy high rigidity and deployability, con...
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| Format: | Article |
| Language: | English |
| Published: |
The Japan Society of Mechanical Engineers
2018-07-01
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| Series: | Mechanical Engineering Journal |
| Subjects: | |
| Online Access: | https://www.jstage.jst.go.jp/article/mej/5/4/5_18-00147/_pdf/-char/en |
| _version_ | 1818957242167197696 |
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| author | Sachiko ISHIDA |
| author_facet | Sachiko ISHIDA |
| author_sort | Sachiko ISHIDA |
| collection | DOAJ |
| description | Lightweight and rigid honeycomb cores have a feature as deployable structures, i.e., their shapes can be changed as desired from the viewpoint of manufacturing processes. This paper presents a geometrical design method for cylindrical honeycomb cores that satisfy high rigidity and deployability, considering core orientation, core distortion, and applicable manufacturing processes. The proposed method is based on a conventional construction process of flat honeycomb cores and applied to a cylinder segmented with longitudinal and latitudinal lines. Cylindrical honeycomb cores with the radial core direction are possibly suitable for the application of radial forces; however, core walls are distorted and the shape cannot be maintained uniformly. To solve this problem, the core direction is revised based on the correction angle. As a result, it is observed that the obtained cores are not distorted and core directions can be designed approximately along radial directions. Geometrical restrictions and feasible design ranges are discussed in this paper. It is possible to fabricate the cores using the conventional expansion process. This implies that they are promising as deployable structures that can be constructed or deconstructed at workplaces. |
| first_indexed | 2024-12-20T11:06:44Z |
| format | Article |
| id | doaj.art-080983c4c3a5467bae0143d369f619bf |
| institution | Directory Open Access Journal |
| issn | 2187-9745 |
| language | English |
| last_indexed | 2024-12-20T11:06:44Z |
| publishDate | 2018-07-01 |
| publisher | The Japan Society of Mechanical Engineers |
| record_format | Article |
| series | Mechanical Engineering Journal |
| spelling | doaj.art-080983c4c3a5467bae0143d369f619bf2022-12-21T19:42:51ZengThe Japan Society of Mechanical EngineersMechanical Engineering Journal2187-97452018-07-015418-0014718-0014710.1299/mej.18-00147mejDesign of cylindrical honeycomb cores – Geometric consideration –Sachiko ISHIDA0Department of Mechanical Engineering, Meiji UniversityLightweight and rigid honeycomb cores have a feature as deployable structures, i.e., their shapes can be changed as desired from the viewpoint of manufacturing processes. This paper presents a geometrical design method for cylindrical honeycomb cores that satisfy high rigidity and deployability, considering core orientation, core distortion, and applicable manufacturing processes. The proposed method is based on a conventional construction process of flat honeycomb cores and applied to a cylinder segmented with longitudinal and latitudinal lines. Cylindrical honeycomb cores with the radial core direction are possibly suitable for the application of radial forces; however, core walls are distorted and the shape cannot be maintained uniformly. To solve this problem, the core direction is revised based on the correction angle. As a result, it is observed that the obtained cores are not distorted and core directions can be designed approximately along radial directions. Geometrical restrictions and feasible design ranges are discussed in this paper. It is possible to fabricate the cores using the conventional expansion process. This implies that they are promising as deployable structures that can be constructed or deconstructed at workplaces.https://www.jstage.jst.go.jp/article/mej/5/4/5_18-00147/_pdf/-char/enstructural designcomposite materialcore structuresdeployable structuresorigami |
| spellingShingle | Sachiko ISHIDA Design of cylindrical honeycomb cores – Geometric consideration – Mechanical Engineering Journal structural design composite material core structures deployable structures origami |
| title | Design of cylindrical honeycomb cores – Geometric consideration – |
| title_full | Design of cylindrical honeycomb cores – Geometric consideration – |
| title_fullStr | Design of cylindrical honeycomb cores – Geometric consideration – |
| title_full_unstemmed | Design of cylindrical honeycomb cores – Geometric consideration – |
| title_short | Design of cylindrical honeycomb cores – Geometric consideration – |
| title_sort | design of cylindrical honeycomb cores geometric consideration |
| topic | structural design composite material core structures deployable structures origami |
| url | https://www.jstage.jst.go.jp/article/mej/5/4/5_18-00147/_pdf/-char/en |
| work_keys_str_mv | AT sachikoishida designofcylindricalhoneycombcoresgeometricconsideration |