Theoretical investigation on the energy absorption of ellipse-shaped self-locked tubes
Self-locked energy-absorbing systems have been proposed in previous studies to overcome the limitations associated with the round-tube systems because they can prevent the lateral splash of tubes from impact loadings without any constraints. In case of self-locked systems, the ellipse-shaped self-lo...
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| Veröffentlicht in: | Science China. Physics, mechanics & astronomy mechanics & astronomy, 2020-09, Vol.63 (9), p.294611, Article 294611 |
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| creator | Yang, KuiJian Qiao, Chuan Xiong, Feng Zhang, Lei Wu, ZhangMing Chen, YuLi |
| description | Self-locked energy-absorbing systems have been proposed in previous studies to overcome the limitations associated with the round-tube systems because they can prevent the lateral splash of tubes from impact loadings without any constraints. In case of self-locked systems, the ellipse-shaped self-locked tube is considered to be an optimal design when compared with the ordinary circle-shaped self-locked tubes and other shaped self-locked tubes. In this study, we aim to theoretically analyze the ellipse-shaped self-locked tubes. Further, a plastic hinge model is developed to predict the force-displacement relation of the tube, which is compared with the deformation process observed in the experiment and finite element method (FEM) simulation. Using this model, the effects of tuning the geometric parameters of the tube on the energy absorption performance, including the deformation efficiency, energy absorption capacity, and effective stroke ratio, are simulated and analyzed. Finally, a guideline is provided with respect to the design of the ellipse-shaped self-locked tube in engineering applications. |
| doi_str_mv | 10.1007/s11433-019-1518-9 |
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In case of self-locked systems, the ellipse-shaped self-locked tube is considered to be an optimal design when compared with the ordinary circle-shaped self-locked tubes and other shaped self-locked tubes. In this study, we aim to theoretically analyze the ellipse-shaped self-locked tubes. Further, a plastic hinge model is developed to predict the force-displacement relation of the tube, which is compared with the deformation process observed in the experiment and finite element method (FEM) simulation. Using this model, the effects of tuning the geometric parameters of the tube on the energy absorption performance, including the deformation efficiency, energy absorption capacity, and effective stroke ratio, are simulated and analyzed. 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Physics, mechanics & astronomy</title><addtitle>Sci. China Phys. Mech. Astron</addtitle><description>Self-locked energy-absorbing systems have been proposed in previous studies to overcome the limitations associated with the round-tube systems because they can prevent the lateral splash of tubes from impact loadings without any constraints. In case of self-locked systems, the ellipse-shaped self-locked tube is considered to be an optimal design when compared with the ordinary circle-shaped self-locked tubes and other shaped self-locked tubes. In this study, we aim to theoretically analyze the ellipse-shaped self-locked tubes. Further, a plastic hinge model is developed to predict the force-displacement relation of the tube, which is compared with the deformation process observed in the experiment and finite element method (FEM) simulation. Using this model, the effects of tuning the geometric parameters of the tube on the energy absorption performance, including the deformation efficiency, energy absorption capacity, and effective stroke ratio, are simulated and analyzed. Finally, a guideline is provided with respect to the design of the ellipse-shaped self-locked tube in engineering applications.</description><subject>Absorption</subject><subject>Astronomy</subject><subject>Classical and Continuum Physics</subject><subject>Comparative analysis</subject><subject>Deformation</subject><subject>Deformation effects</subject><subject>Design optimization</subject><subject>Efficiency</subject><subject>Energy</subject><subject>Energy absorption</subject><subject>Engineering</subject><subject>Finite element method</subject><subject>Geometry</subject><subject>Investigations</subject><subject>Load</subject><subject>Mechanical properties</subject><subject>Mechanics</subject><subject>Observations and Techniques</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Plastic properties</subject><subject>Plasticity</subject><subject>Simulation</subject><subject>Simulation methods</subject><subject>Tubes</subject><issn>1674-7348</issn><issn>1869-1927</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp1kE1rAyEQhpfSQkOaH9DbQs-mfuyuegyhX1DoJe1V1B0T08261U0h_76GLfRUR3B03scZ3qK4JXhJMOb3iZCKMYSJRKQmAsmLYkZEk2-S8sucN7xCnFXiuliktMd5MYkrXs2Kj80OQoTRW92Vvv-GNPqtHn3oy7zHHZTQQ9yeSm1SiMNUcCV0nR8SoLTTA7Rlgs6hLtjPnI9HA-mmuHK6S7D4PefF--PDZv2MXt-eXtarV2SZFCNywplWUKOZlqStaiCVwdg5AGNlQ00jiWZN0wpWUYOptVhbDJTWrqWCWM7mxd307xDD1zEPr_bhGPvcUlFJRC1wLWlWLSfVVnegfO_CGLXN0cLB29CD8_l9xWnDCa0ZzgCZABtDShGcGqI_6HhSBKuz5WqyXGXL1dlyJTNDJyZlbb-F-DfK_9AP3nGEZg</recordid><startdate>20200901</startdate><enddate>20200901</enddate><creator>Yang, KuiJian</creator><creator>Qiao, Chuan</creator><creator>Xiong, Feng</creator><creator>Zhang, Lei</creator><creator>Wu, ZhangMing</creator><creator>Chen, YuLi</creator><general>Science China Press</general><general>Springer</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>P5Z</scope><scope>P62</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope></search><sort><creationdate>20200901</creationdate><title>Theoretical investigation on the energy absorption of ellipse-shaped self-locked tubes</title><author>Yang, KuiJian ; 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Physics, mechanics & astronomy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yang, KuiJian</au><au>Qiao, Chuan</au><au>Xiong, Feng</au><au>Zhang, Lei</au><au>Wu, ZhangMing</au><au>Chen, YuLi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Theoretical investigation on the energy absorption of ellipse-shaped self-locked tubes</atitle><jtitle>Science China. Physics, mechanics & astronomy</jtitle><stitle>Sci. China Phys. Mech. Astron</stitle><date>2020-09-01</date><risdate>2020</risdate><volume>63</volume><issue>9</issue><spage>294611</spage><pages>294611-</pages><artnum>294611</artnum><issn>1674-7348</issn><eissn>1869-1927</eissn><abstract>Self-locked energy-absorbing systems have been proposed in previous studies to overcome the limitations associated with the round-tube systems because they can prevent the lateral splash of tubes from impact loadings without any constraints. In case of self-locked systems, the ellipse-shaped self-locked tube is considered to be an optimal design when compared with the ordinary circle-shaped self-locked tubes and other shaped self-locked tubes. In this study, we aim to theoretically analyze the ellipse-shaped self-locked tubes. Further, a plastic hinge model is developed to predict the force-displacement relation of the tube, which is compared with the deformation process observed in the experiment and finite element method (FEM) simulation. Using this model, the effects of tuning the geometric parameters of the tube on the energy absorption performance, including the deformation efficiency, energy absorption capacity, and effective stroke ratio, are simulated and analyzed. Finally, a guideline is provided with respect to the design of the ellipse-shaped self-locked tube in engineering applications.</abstract><cop>Beijing</cop><pub>Science China Press</pub><doi>10.1007/s11433-019-1518-9</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Absorption Astronomy Classical and Continuum Physics Comparative analysis Deformation Deformation effects Design optimization Efficiency Energy Energy absorption Engineering Finite element method Geometry Investigations Load Mechanical properties Mechanics Observations and Techniques Physics Physics and Astronomy Plastic properties Plasticity Simulation Simulation methods Tubes |
| title | Theoretical investigation on the energy absorption of ellipse-shaped self-locked tubes |
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