Experimental and Numerical Study on Softened Inclusions Equivalent Method for Impacted Stiffened Panel Skin
This paper presented and validated a method of softened inclusions for impact damage of stiffened panel skin. The impacted laminates with different impact energy were cut into strips according to the damage area from C-scan results. Then, the stiffness distribution in the impact damage area was obta...
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| Veröffentlicht in: | Applied composite materials 2021-02, Vol.28 (1), p.39-58 |
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| container_title | Applied composite materials |
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| creator | Wang, Xin Huang, Jun Huang, Xiao Su, Yuru Li, Zengshan Tan, Riming |
| description | This paper presented and validated a method of softened inclusions for impact damage of stiffened panel skin. The impacted laminates with different impact energy were cut into strips according to the damage area from C-scan results. Then, the stiffness distribution in the impact damage area was obtained by testing the tensile and compressive stiffness of the strip specimens. The results showed that the stiffness reduction in some delamination was independent of the impact energy. The testing results also suggest that the damaged area was divided into three regions with different degrees of reduced stiffness. An equivalent method was proposed to replace the damage area with softened inclusions in impacted laminates. To validate the effectiveness and accuracy of the method, softened inclusions was introduced into the finite element models of stiffened panels with impacted skin. And the strain distribution of the models were compared with the test results under the same conditions. The results showed good agreement between the models and experiments. |
| doi_str_mv | 10.1007/s10443-020-09850-2 |
| format | Article |
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The impacted laminates with different impact energy were cut into strips according to the damage area from C-scan results. Then, the stiffness distribution in the impact damage area was obtained by testing the tensile and compressive stiffness of the strip specimens. The results showed that the stiffness reduction in some delamination was independent of the impact energy. The testing results also suggest that the damaged area was divided into three regions with different degrees of reduced stiffness. An equivalent method was proposed to replace the damage area with softened inclusions in impacted laminates. To validate the effectiveness and accuracy of the method, softened inclusions was introduced into the finite element models of stiffened panels with impacted skin. And the strain distribution of the models were compared with the test results under the same conditions. The results showed good agreement between the models and experiments.</description><identifier>ISSN: 0929-189X</identifier><identifier>EISSN: 1573-4897</identifier><identifier>DOI: 10.1007/s10443-020-09850-2</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Classical Mechanics ; Equivalence ; Finite element method ; Impact damage ; Inclusions ; Industrial Chemistry/Chemical Engineering ; Laminates ; Materials Science ; Mathematical models ; Polymer Sciences ; Stiffness ; Strain distribution</subject><ispartof>Applied composite materials, 2021-02, Vol.28 (1), p.39-58</ispartof><rights>Springer Nature B.V. 2020</rights><rights>Springer Nature B.V. 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-141d78cf76396ffd71270c04e6cb8799ca3cc44a710985dd52ad6e342477cd5d3</citedby><cites>FETCH-LOGICAL-c319t-141d78cf76396ffd71270c04e6cb8799ca3cc44a710985dd52ad6e342477cd5d3</cites><orcidid>0000-0002-3368-1434</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10443-020-09850-2$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10443-020-09850-2$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Wang, Xin</creatorcontrib><creatorcontrib>Huang, Jun</creatorcontrib><creatorcontrib>Huang, Xiao</creatorcontrib><creatorcontrib>Su, Yuru</creatorcontrib><creatorcontrib>Li, Zengshan</creatorcontrib><creatorcontrib>Tan, Riming</creatorcontrib><title>Experimental and Numerical Study on Softened Inclusions Equivalent Method for Impacted Stiffened Panel Skin</title><title>Applied composite materials</title><addtitle>Appl Compos Mater</addtitle><description>This paper presented and validated a method of softened inclusions for impact damage of stiffened panel skin. The impacted laminates with different impact energy were cut into strips according to the damage area from C-scan results. Then, the stiffness distribution in the impact damage area was obtained by testing the tensile and compressive stiffness of the strip specimens. The results showed that the stiffness reduction in some delamination was independent of the impact energy. The testing results also suggest that the damaged area was divided into three regions with different degrees of reduced stiffness. An equivalent method was proposed to replace the damage area with softened inclusions in impacted laminates. To validate the effectiveness and accuracy of the method, softened inclusions was introduced into the finite element models of stiffened panels with impacted skin. And the strain distribution of the models were compared with the test results under the same conditions. The results showed good agreement between the models and experiments.</description><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Classical Mechanics</subject><subject>Equivalence</subject><subject>Finite element method</subject><subject>Impact damage</subject><subject>Inclusions</subject><subject>Industrial Chemistry/Chemical Engineering</subject><subject>Laminates</subject><subject>Materials Science</subject><subject>Mathematical models</subject><subject>Polymer Sciences</subject><subject>Stiffness</subject><subject>Strain distribution</subject><issn>0929-189X</issn><issn>1573-4897</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9kMtKAzEUhoMoWKsv4CrgejS3mUyWUqoW6gWq4C7EXHR6ScZkRuzbm3YEd67CCf_3H84HwDlGlxghfpUwYowWiKACibpEBTkAI1xyWrBa8EMwQoKIAtfi9RicpLRECNW84iOwmn63NjYb6zu1hsob-NBv8ofO06LrzRYGDxfBddZbA2der_vUBJ_g9LNvvtQ6c_Dedh_BQBcinG1apbucXHSNc3vmSXmbu1aNPwVHTq2TPft9x-DlZvo8uSvmj7ezyfW80BSLrsAMG15rxysqKucMx4QjjZit9FvNhdCKas2Y4nh3qjElUaaylBHGuTaloWNwMfS2MXz2NnVyGfro80pJmKAcYVHWOUWGlI4hpWidbLMHFbcSI7mTKgepMkuVe6mSZIgOUMph_27jX_U_1A_2anri</recordid><startdate>20210201</startdate><enddate>20210201</enddate><creator>Wang, Xin</creator><creator>Huang, Jun</creator><creator>Huang, Xiao</creator><creator>Su, Yuru</creator><creator>Li, Zengshan</creator><creator>Tan, Riming</creator><general>Springer Netherlands</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>S0W</scope><orcidid>https://orcid.org/0000-0002-3368-1434</orcidid></search><sort><creationdate>20210201</creationdate><title>Experimental and Numerical Study on Softened Inclusions Equivalent Method for Impacted Stiffened Panel Skin</title><author>Wang, Xin ; Huang, Jun ; Huang, Xiao ; Su, Yuru ; Li, Zengshan ; Tan, Riming</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c319t-141d78cf76396ffd71270c04e6cb8799ca3cc44a710985dd52ad6e342477cd5d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry and Materials Science</topic><topic>Classical Mechanics</topic><topic>Equivalence</topic><topic>Finite element method</topic><topic>Impact damage</topic><topic>Inclusions</topic><topic>Industrial Chemistry/Chemical Engineering</topic><topic>Laminates</topic><topic>Materials Science</topic><topic>Mathematical models</topic><topic>Polymer Sciences</topic><topic>Stiffness</topic><topic>Strain distribution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Xin</creatorcontrib><creatorcontrib>Huang, Jun</creatorcontrib><creatorcontrib>Huang, Xiao</creatorcontrib><creatorcontrib>Su, Yuru</creatorcontrib><creatorcontrib>Li, Zengshan</creatorcontrib><creatorcontrib>Tan, Riming</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>Materials Science Collection</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><collection>DELNET Engineering & Technology Collection</collection><jtitle>Applied composite materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Xin</au><au>Huang, Jun</au><au>Huang, Xiao</au><au>Su, Yuru</au><au>Li, Zengshan</au><au>Tan, Riming</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Experimental and Numerical Study on Softened Inclusions Equivalent Method for Impacted Stiffened Panel Skin</atitle><jtitle>Applied composite materials</jtitle><stitle>Appl Compos Mater</stitle><date>2021-02-01</date><risdate>2021</risdate><volume>28</volume><issue>1</issue><spage>39</spage><epage>58</epage><pages>39-58</pages><issn>0929-189X</issn><eissn>1573-4897</eissn><abstract>This paper presented and validated a method of softened inclusions for impact damage of stiffened panel skin. The impacted laminates with different impact energy were cut into strips according to the damage area from C-scan results. Then, the stiffness distribution in the impact damage area was obtained by testing the tensile and compressive stiffness of the strip specimens. The results showed that the stiffness reduction in some delamination was independent of the impact energy. The testing results also suggest that the damaged area was divided into three regions with different degrees of reduced stiffness. An equivalent method was proposed to replace the damage area with softened inclusions in impacted laminates. To validate the effectiveness and accuracy of the method, softened inclusions was introduced into the finite element models of stiffened panels with impacted skin. And the strain distribution of the models were compared with the test results under the same conditions. The results showed good agreement between the models and experiments.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s10443-020-09850-2</doi><tpages>20</tpages><orcidid>https://orcid.org/0000-0002-3368-1434</orcidid></addata></record> |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Characterization and Evaluation of Materials Chemistry and Materials Science Classical Mechanics Equivalence Finite element method Impact damage Inclusions Industrial Chemistry/Chemical Engineering Laminates Materials Science Mathematical models Polymer Sciences Stiffness Strain distribution |
| title | Experimental and Numerical Study on Softened Inclusions Equivalent Method for Impacted Stiffened Panel Skin |
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