Dynamic collapse of metal self-similar hierarchical corrugated sandwich plates subject to shear and compression coupled loading
Analysis of dynamic collapse response of metal self-similar hierarchical triangular corrugated sandwich plates subject to the shear loading and the shear coupled with compression is conducted. The initial collapse modes of the triangular corrugated sandwich cores are identified, in which different s...
| Main Authors: | , , |
|---|---|
| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2022
|
| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/160905 |
| _version_ | 1811692636820471808 |
|---|---|
| author | Zhang, Jianxun Qin, Qinghua Li, Hua |
| author2 | School of Mechanical and Aerospace Engineering |
| author_facet | School of Mechanical and Aerospace Engineering Zhang, Jianxun Qin, Qinghua Li, Hua |
| author_sort | Zhang, Jianxun |
| collection | NTU |
| description | Analysis of dynamic collapse response of metal self-similar hierarchical triangular corrugated sandwich plates subject to the shear loading and the shear coupled with compression is conducted. The initial collapse modes of the triangular corrugated sandwich cores are identified, in which different shear or shear-compression coupled impact velocities and various slenderness ratios of the large and small struts are considered, i.e. Euler buckling of large struts, Euler buckling of small struts, the wrinkling of large struts, the mode of combined Euler buckling of small struts with the wrinkling of large struts, and the mode of combined Euler buckling of large struts with the wrinkling of large struts. The collapse mechanism maps are then figured out with the axes representing the slenderness ratios of the large and small struts for hierarchical corrugated sandwich cores under single shear loading and combined shear and compression. In particular, the theoretically predicted collapse mechanism maps are in good agreement with the numerical results at applied velocity V0 = 1 m/s under the single shear loading and the shear coupled with compression. It is demonstrated that the velocity has insignificant influence on the dominant deformation mode of self-similar hierarchical corrugated sandwich plates for the cases of velocities V0 = 1 m/s and 10 m/s under the single shear loading and the shear coupled with compression. The designed self-similar hierarchical corrugated sandwich core has better energy absorption than traditional corrugated sandwich core subject to the single shear loading. |
| first_indexed | 2024-10-01T06:38:56Z |
| format | Journal Article |
| id | ntu-10356/160905 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T06:38:56Z |
| publishDate | 2022 |
| record_format | dspace |
| spelling | ntu-10356/1609052022-08-05T07:40:34Z Dynamic collapse of metal self-similar hierarchical corrugated sandwich plates subject to shear and compression coupled loading Zhang, Jianxun Qin, Qinghua Li, Hua School of Mechanical and Aerospace Engineering Engineering::Aeronautical engineering Dynamic Collapse Corrugated Sandwich Core Analysis of dynamic collapse response of metal self-similar hierarchical triangular corrugated sandwich plates subject to the shear loading and the shear coupled with compression is conducted. The initial collapse modes of the triangular corrugated sandwich cores are identified, in which different shear or shear-compression coupled impact velocities and various slenderness ratios of the large and small struts are considered, i.e. Euler buckling of large struts, Euler buckling of small struts, the wrinkling of large struts, the mode of combined Euler buckling of small struts with the wrinkling of large struts, and the mode of combined Euler buckling of large struts with the wrinkling of large struts. The collapse mechanism maps are then figured out with the axes representing the slenderness ratios of the large and small struts for hierarchical corrugated sandwich cores under single shear loading and combined shear and compression. In particular, the theoretically predicted collapse mechanism maps are in good agreement with the numerical results at applied velocity V0 = 1 m/s under the single shear loading and the shear coupled with compression. It is demonstrated that the velocity has insignificant influence on the dominant deformation mode of self-similar hierarchical corrugated sandwich plates for the cases of velocities V0 = 1 m/s and 10 m/s under the single shear loading and the shear coupled with compression. The designed self-similar hierarchical corrugated sandwich core has better energy absorption than traditional corrugated sandwich core subject to the single shear loading. The authors are grateful for the financial support from NSFC (11872291, 11572234, and 11502189), China Postdoctoral Science Foundation funded project (2018M643621). 2022-08-05T07:40:34Z 2022-08-05T07:40:34Z 2021 Journal Article Zhang, J., Qin, Q. & Li, H. (2021). Dynamic collapse of metal self-similar hierarchical corrugated sandwich plates subject to shear and compression coupled loading. Journal of Sandwich Structures and Materials, 23(7), 2671-2699. https://dx.doi.org/10.1177/1099636220905996 1099-6362 https://hdl.handle.net/10356/160905 10.1177/1099636220905996 2-s2.0-85082197338 7 23 2671 2699 en Journal of Sandwich Structures and Materials © 2020 The Author(s). All rights reserved. |
| spellingShingle | Engineering::Aeronautical engineering Dynamic Collapse Corrugated Sandwich Core Zhang, Jianxun Qin, Qinghua Li, Hua Dynamic collapse of metal self-similar hierarchical corrugated sandwich plates subject to shear and compression coupled loading |
| title | Dynamic collapse of metal self-similar hierarchical corrugated sandwich plates subject to shear and compression coupled loading |
| title_full | Dynamic collapse of metal self-similar hierarchical corrugated sandwich plates subject to shear and compression coupled loading |
| title_fullStr | Dynamic collapse of metal self-similar hierarchical corrugated sandwich plates subject to shear and compression coupled loading |
| title_full_unstemmed | Dynamic collapse of metal self-similar hierarchical corrugated sandwich plates subject to shear and compression coupled loading |
| title_short | Dynamic collapse of metal self-similar hierarchical corrugated sandwich plates subject to shear and compression coupled loading |
| title_sort | dynamic collapse of metal self similar hierarchical corrugated sandwich plates subject to shear and compression coupled loading |
| topic | Engineering::Aeronautical engineering Dynamic Collapse Corrugated Sandwich Core |
| url | https://hdl.handle.net/10356/160905 |
| work_keys_str_mv | AT zhangjianxun dynamiccollapseofmetalselfsimilarhierarchicalcorrugatedsandwichplatessubjecttoshearandcompressioncoupledloading AT qinqinghua dynamiccollapseofmetalselfsimilarhierarchicalcorrugatedsandwichplatessubjecttoshearandcompressioncoupledloading AT lihua dynamiccollapseofmetalselfsimilarhierarchicalcorrugatedsandwichplatessubjecttoshearandcompressioncoupledloading |