Numerical study on axial crushing of auxetic foam-filled square tube
Filling the thin-walled tubes with a foam core is a typical method to enhance the energy absorption performance and stabilize their crushing responses under impact loading. Recently, auxetic foam material with negative Poisson’s ratio has gained remarkable popularity as an effective candidate to enh...
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| Format: | Conference or Workshop Item |
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2020
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| author | Mohsenizadeh, Saeid Ahmad, Zaini Alias, Amran |
| author_facet | Mohsenizadeh, Saeid Ahmad, Zaini Alias, Amran |
| author_sort | Mohsenizadeh, Saeid |
| collection | ePrints |
| description | Filling the thin-walled tubes with a foam core is a typical method to enhance the energy absorption performance and stabilize their crushing responses under impact loading. Recently, auxetic foam material with negative Poisson’s ratio has gained remarkable popularity as an effective candidate to enhance the energy absorption capability of structures. In this paper, polyurethane auxetic foam is suggested as a foam core with the negative Poisson’s ratio of-0.31. Numerical simulation was performed to quantify the crush characteristics of auxetic foam-filled square aluminum tubes for variations in initial width of tube under quasi-static axial loading using the nonlinear finite element (FE) code LS-Dyna. Based on the numerical results, the influence of tube width was quantified in terms of energy absorption (EA), specific energy absorption (SEA), initial peak force (Pmax) and crush force efficiency (CFE). It is found that the progressive collapse and deformation modes of auxetic foam-filled tube (AFFT) is pronouncedly affected by varying the tube width. Furthermore, the SEA of AFFT is remarkably sensitive to the tube width variations, yet show low sensitivity to the EA of AFFT. The present study provides new design information on the crush response and energy absorption performance of auxetic foam-filled square tube with varying tube width. |
| first_indexed | 2024-03-05T21:02:00Z |
| format | Conference or Workshop Item |
| id | utm.eprints-94131 |
| institution | Universiti Teknologi Malaysia - ePrints |
| last_indexed | 2024-03-05T21:02:00Z |
| publishDate | 2020 |
| record_format | dspace |
| spelling | utm.eprints-941312022-02-28T13:24:16Z http://eprints.utm.my/94131/ Numerical study on axial crushing of auxetic foam-filled square tube Mohsenizadeh, Saeid Ahmad, Zaini Alias, Amran TJ Mechanical engineering and machinery Filling the thin-walled tubes with a foam core is a typical method to enhance the energy absorption performance and stabilize their crushing responses under impact loading. Recently, auxetic foam material with negative Poisson’s ratio has gained remarkable popularity as an effective candidate to enhance the energy absorption capability of structures. In this paper, polyurethane auxetic foam is suggested as a foam core with the negative Poisson’s ratio of-0.31. Numerical simulation was performed to quantify the crush characteristics of auxetic foam-filled square aluminum tubes for variations in initial width of tube under quasi-static axial loading using the nonlinear finite element (FE) code LS-Dyna. Based on the numerical results, the influence of tube width was quantified in terms of energy absorption (EA), specific energy absorption (SEA), initial peak force (Pmax) and crush force efficiency (CFE). It is found that the progressive collapse and deformation modes of auxetic foam-filled tube (AFFT) is pronouncedly affected by varying the tube width. Furthermore, the SEA of AFFT is remarkably sensitive to the tube width variations, yet show low sensitivity to the EA of AFFT. The present study provides new design information on the crush response and energy absorption performance of auxetic foam-filled square tube with varying tube width. 2020 Conference or Workshop Item PeerReviewed Mohsenizadeh, Saeid and Ahmad, Zaini and Alias, Amran (2020) Numerical study on axial crushing of auxetic foam-filled square tube. In: 7th Asia Conference on Mechanical and Materials Engineering, ACMME 2019, 14 - 17 June 2019, Tokyo, Japan. http://dx.doi.org/10.4028/www.scientific.net/MSF.975.159 |
| spellingShingle | TJ Mechanical engineering and machinery Mohsenizadeh, Saeid Ahmad, Zaini Alias, Amran Numerical study on axial crushing of auxetic foam-filled square tube |
| title | Numerical study on axial crushing of auxetic foam-filled square tube |
| title_full | Numerical study on axial crushing of auxetic foam-filled square tube |
| title_fullStr | Numerical study on axial crushing of auxetic foam-filled square tube |
| title_full_unstemmed | Numerical study on axial crushing of auxetic foam-filled square tube |
| title_short | Numerical study on axial crushing of auxetic foam-filled square tube |
| title_sort | numerical study on axial crushing of auxetic foam filled square tube |
| topic | TJ Mechanical engineering and machinery |
| work_keys_str_mv | AT mohsenizadehsaeid numericalstudyonaxialcrushingofauxeticfoamfilledsquaretube AT ahmadzaini numericalstudyonaxialcrushingofauxeticfoamfilledsquaretube AT aliasamran numericalstudyonaxialcrushingofauxeticfoamfilledsquaretube |