Flexural response of sandwich structures comprising topologically perturbed cores
Enhancing the flexural stiffness of sandwich structures comprising honeycomb cores through perturbing their cellular cores is explored computationally in this work. In-plane sinusoidal perturbations are imposed on the ligaments of hexagonal cores to increase their second moment of inertia and flexur...
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| Veröffentlicht in: | Journal of physics. Conference series 2024-04, Vol.2751 (1), p.12028 |
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| creator | Osman, Omar Al Alkhader, Maen Abuzaid, Wael |
| description | Enhancing the flexural stiffness of sandwich structures comprising honeycomb cores through perturbing their cellular cores is explored computationally in this work. In-plane sinusoidal perturbations are imposed on the ligaments of hexagonal cores to increase their second moment of inertia and flexural load-carrying capacity. The sensitivity of sandwich structures’ flexural strength, peak load and specific energy absorption to the imposed perturbation is investigated. Introduced perturbations are controlled through their amplitude and frequency. Results show that increasing the perturbation frequency and amplitude generally increases the flexural stiffness and peak loads of sandwich structures with perturbed cores without compromising their lightweight properties. However, low frequencies and amplitudes had a negligible effect on the sandwich structures’ mechanical properties. |
| doi_str_mv | 10.1088/1742-6596/2751/1/012028 |
| format | Article |
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In-plane sinusoidal perturbations are imposed on the ligaments of hexagonal cores to increase their second moment of inertia and flexural load-carrying capacity. The sensitivity of sandwich structures’ flexural strength, peak load and specific energy absorption to the imposed perturbation is investigated. Introduced perturbations are controlled through their amplitude and frequency. Results show that increasing the perturbation frequency and amplitude generally increases the flexural stiffness and peak loads of sandwich structures with perturbed cores without compromising their lightweight properties. However, low frequencies and amplitudes had a negligible effect on the sandwich structures’ mechanical properties.</description><identifier>ISSN: 1742-6588</identifier><identifier>EISSN: 1742-6596</identifier><identifier>DOI: 10.1088/1742-6596/2751/1/012028</identifier><language>eng</language><publisher>Bristol: IOP Publishing</publisher><subject>aluminum sandwich panel ; Amplitudes ; Bearing strength ; Cellular structure ; dynamic behavior ; Energy absorption ; finite element analysis ; Flexural strength ; Honeycomb cores ; Load carrying capacity ; Mechanical properties ; Moments of inertia ; Peak load ; Perturbation ; perturbations ; Sandwich structures ; Specific energy ; Stiffness ; three-point bending test</subject><ispartof>Journal of physics. Conference series, 2024-04, Vol.2751 (1), p.12028</ispartof><rights>Published under licence by IOP Publishing Ltd</rights><rights>Published under licence by IOP Publishing Ltd. 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However, low frequencies and amplitudes had a negligible effect on the sandwich structures’ mechanical properties.</description><subject>aluminum sandwich panel</subject><subject>Amplitudes</subject><subject>Bearing strength</subject><subject>Cellular structure</subject><subject>dynamic behavior</subject><subject>Energy absorption</subject><subject>finite element analysis</subject><subject>Flexural strength</subject><subject>Honeycomb cores</subject><subject>Load carrying capacity</subject><subject>Mechanical properties</subject><subject>Moments of inertia</subject><subject>Peak load</subject><subject>Perturbation</subject><subject>perturbations</subject><subject>Sandwich structures</subject><subject>Specific energy</subject><subject>Stiffness</subject><subject>three-point bending test</subject><issn>1742-6588</issn><issn>1742-6596</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>O3W</sourceid><sourceid>BENPR</sourceid><recordid>eNqFkFFLwzAQx4MoOKefwYDPtbmkadJHGc4JAxH0OaRpOju6piYtum9vSmU-mpcL3O9_x_0QugVyD0TKFERGk5wXeUoFhxRSApRQeYYWp8756S_lJboKYU8Ii08s0Ou6td-j1y32NvSuCxa7GgfdVV-N-cBh8KMZxtjDxh1634Sm2-HB9a51u8botj3i3vpIlLaKSASv0UWt22BvfusSva8f31abZPvy9Lx62CaGskImVUYJ01BwWcpCVyY3IHNdMCKFhpwLnYGmmWG2JFBzSayuGIiS1jUlpa4pW6K7eW7v3edow6D2bvRdXKkY4RQyzgSJlJgp410I3tYqHnHQ_qiAqMmfmsyoyZKa_ClQs7-YZHOycf3f6P9SP2ZWczM</recordid><startdate>20240401</startdate><enddate>20240401</enddate><creator>Osman, Omar Al</creator><creator>Alkhader, Maen</creator><creator>Abuzaid, Wael</creator><general>IOP Publishing</general><scope>O3W</scope><scope>TSCCA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>H8D</scope><scope>HCIFZ</scope><scope>L7M</scope><scope>P5Z</scope><scope>P62</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope></search><sort><creationdate>20240401</creationdate><title>Flexural response of sandwich structures comprising topologically perturbed cores</title><author>Osman, Omar Al ; Alkhader, Maen ; Abuzaid, Wael</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2398-d4203a1958b89adc6c186a93087a1657a41a24c3eb01f580ead317b2ff20baf23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>aluminum sandwich panel</topic><topic>Amplitudes</topic><topic>Bearing strength</topic><topic>Cellular structure</topic><topic>dynamic behavior</topic><topic>Energy absorption</topic><topic>finite element analysis</topic><topic>Flexural strength</topic><topic>Honeycomb cores</topic><topic>Load carrying capacity</topic><topic>Mechanical properties</topic><topic>Moments of inertia</topic><topic>Peak load</topic><topic>Perturbation</topic><topic>perturbations</topic><topic>Sandwich structures</topic><topic>Specific energy</topic><topic>Stiffness</topic><topic>three-point bending test</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Osman, Omar Al</creatorcontrib><creatorcontrib>Alkhader, Maen</creatorcontrib><creatorcontrib>Abuzaid, Wael</creatorcontrib><collection>IOP Publishing Free Content</collection><collection>IOPscience (Open Access)</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Aerospace Database</collection><collection>SciTech Premium Collection</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><jtitle>Journal of physics. Conference series</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Osman, Omar Al</au><au>Alkhader, Maen</au><au>Abuzaid, Wael</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Flexural response of sandwich structures comprising topologically perturbed cores</atitle><jtitle>Journal of physics. Conference series</jtitle><addtitle>J. Phys.: Conf. Ser</addtitle><date>2024-04-01</date><risdate>2024</risdate><volume>2751</volume><issue>1</issue><spage>12028</spage><pages>12028-</pages><issn>1742-6588</issn><eissn>1742-6596</eissn><abstract>Enhancing the flexural stiffness of sandwich structures comprising honeycomb cores through perturbing their cellular cores is explored computationally in this work. In-plane sinusoidal perturbations are imposed on the ligaments of hexagonal cores to increase their second moment of inertia and flexural load-carrying capacity. 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| subjects | aluminum sandwich panel Amplitudes Bearing strength Cellular structure dynamic behavior Energy absorption finite element analysis Flexural strength Honeycomb cores Load carrying capacity Mechanical properties Moments of inertia Peak load Perturbation perturbations Sandwich structures Specific energy Stiffness three-point bending test |
| title | Flexural response of sandwich structures comprising topologically perturbed cores |
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