Calibration and test of contact parameters for alfalfa stalk at primary florescence based on discrete element method
In view of the lack of accurate models for discrete element simulation in the current research and development process of forage harvesting and crushing machinery, the contact parameters were calibrated based on Hertz-Mindlin (no slip) contact model by EDEM simulation software with alfalfa stalk at...
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| description | In view of the lack of accurate models for discrete element simulation in the current research and development process of forage harvesting and crushing machinery, the contact parameters were calibrated based on Hertz-Mindlin (no slip) contact model by EDEM simulation software with alfalfa stalk at primary florescence as the research object. Based on the angle of repose, the restitution coefficient, static friction coefficient, rolling friction coefficient of alfalfa stalks were determined through the Placket-Burman test, steepest ascent test and Box-Behnken test. The simulation test of the repose angle was carried out with the determined contact parameters. The results showed that the relative error between the simulated repose angle and the physical test repose angle was 0.48%, which indicated that the calibrated contact parameters could truly reflect the physical characteristics of alfalfa stalks at the primary florescence. It provided a reliable model and parameter calibration method for the discrete element simulation in the research and development process of forage machinery, and also provided a reference for the research and optimization design of forage harvesting, crushing and processing machinery. |
| doi_str_mv | 10.1371/journal.pone.0303064 |
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Based on the angle of repose, the restitution coefficient, static friction coefficient, rolling friction coefficient of alfalfa stalks were determined through the Placket-Burman test, steepest ascent test and Box-Behnken test. The simulation test of the repose angle was carried out with the determined contact parameters. The results showed that the relative error between the simulated repose angle and the physical test repose angle was 0.48%, which indicated that the calibrated contact parameters could truly reflect the physical characteristics of alfalfa stalks at the primary florescence. It provided a reliable model and parameter calibration method for the discrete element simulation in the research and development process of forage machinery, and also provided a reference for the research and optimization design of forage harvesting, crushing and processing machinery.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0303064</identifier><identifier>PMID: 39208287</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Agricultural production ; Alfalfa ; Analysis ; Angle of repose ; Armor ; Biology and Life Sciences ; Calibration ; Coefficient of friction ; Computer and Information Sciences ; Computer Simulation ; Contact angle ; Crushing ; Design optimization ; Discrete element method ; Engineering and Technology ; Farm machinery ; Farming ; Fluorescence ; Forage ; Forage harvesting machinery ; Friction ; Harvest ; Livestock ; Medicago sativa ; Methods ; Mindlin plates ; Physical characteristics ; Physical properties ; Physical Sciences ; Physical tests ; Physiological aspects ; Process parameters ; Production processes ; R&D ; Research & development ; Research and Analysis Methods ; Restitution ; Rolling resistance ; Seeds ; Simulation ; Simulation methods ; Software ; Static friction ; Velocity</subject><ispartof>PloS one, 2024-08, Vol.19 (8), p.e0303064</ispartof><rights>Copyright: © 2024 Chen et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.</rights><rights>COPYRIGHT 2024 Public Library of Science</rights><rights>2024 Chen et al. This is an open access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2024 Chen et al 2024 Chen et al</rights><rights>2024 Chen et al. This is an open access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c572t-cd47191b1a3cd388326ca91bc5a507e51e8f63a8b86da7b0ca7fad621dd9fb03</cites><orcidid>0000-0003-1708-0839</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC11361690/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC11361690/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,860,881,2096,2915,23845,27901,27902,53766,53768,79569,79570</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/39208287$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Chen, Tao</creatorcontrib><creatorcontrib>Yi, Shujuan</creatorcontrib><creatorcontrib>Li, Yifei</creatorcontrib><creatorcontrib>Tao, Guixiang</creatorcontrib><creatorcontrib>Mao, Xin</creatorcontrib><title>Calibration and test of contact parameters for alfalfa stalk at primary florescence based on discrete element method</title><title>PloS one</title><addtitle>PLoS One</addtitle><description>In view of the lack of accurate models for discrete element simulation in the current research and development process of forage harvesting and crushing machinery, the contact parameters were calibrated based on Hertz-Mindlin (no slip) contact model by EDEM simulation software with alfalfa stalk at primary florescence as the research object. Based on the angle of repose, the restitution coefficient, static friction coefficient, rolling friction coefficient of alfalfa stalks were determined through the Placket-Burman test, steepest ascent test and Box-Behnken test. The simulation test of the repose angle was carried out with the determined contact parameters. The results showed that the relative error between the simulated repose angle and the physical test repose angle was 0.48%, which indicated that the calibrated contact parameters could truly reflect the physical characteristics of alfalfa stalks at the primary florescence. It provided a reliable model and parameter calibration method for the discrete element simulation in the research and development process of forage machinery, and also provided a reference for the research and optimization design of forage harvesting, crushing and processing machinery.</description><subject>Agricultural production</subject><subject>Alfalfa</subject><subject>Analysis</subject><subject>Angle of repose</subject><subject>Armor</subject><subject>Biology and Life Sciences</subject><subject>Calibration</subject><subject>Coefficient of friction</subject><subject>Computer and Information Sciences</subject><subject>Computer Simulation</subject><subject>Contact angle</subject><subject>Crushing</subject><subject>Design optimization</subject><subject>Discrete element method</subject><subject>Engineering and Technology</subject><subject>Farm machinery</subject><subject>Farming</subject><subject>Fluorescence</subject><subject>Forage</subject><subject>Forage harvesting machinery</subject><subject>Friction</subject><subject>Harvest</subject><subject>Livestock</subject><subject>Medicago sativa</subject><subject>Methods</subject><subject>Mindlin plates</subject><subject>Physical characteristics</subject><subject>Physical properties</subject><subject>Physical Sciences</subject><subject>Physical tests</subject><subject>Physiological aspects</subject><subject>Process parameters</subject><subject>Production processes</subject><subject>R&D</subject><subject>Research & development</subject><subject>Research and Analysis Methods</subject><subject>Restitution</subject><subject>Rolling resistance</subject><subject>Seeds</subject><subject>Simulation</subject><subject>Simulation methods</subject><subject>Software</subject><subject>Static 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Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Tao</au><au>Yi, Shujuan</au><au>Li, Yifei</au><au>Tao, Guixiang</au><au>Mao, Xin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Calibration and test of contact parameters for alfalfa stalk at primary florescence based on discrete element method</atitle><jtitle>PloS one</jtitle><addtitle>PLoS One</addtitle><date>2024-08-29</date><risdate>2024</risdate><volume>19</volume><issue>8</issue><spage>e0303064</spage><pages>e0303064-</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>In view of the lack of accurate models for discrete element simulation in the current research and development process of forage harvesting and crushing machinery, the contact parameters were calibrated based on Hertz-Mindlin (no slip) contact model by EDEM simulation software with alfalfa stalk at primary florescence as the research object. Based on the angle of repose, the restitution coefficient, static friction coefficient, rolling friction coefficient of alfalfa stalks were determined through the Placket-Burman test, steepest ascent test and Box-Behnken test. The simulation test of the repose angle was carried out with the determined contact parameters. The results showed that the relative error between the simulated repose angle and the physical test repose angle was 0.48%, which indicated that the calibrated contact parameters could truly reflect the physical characteristics of alfalfa stalks at the primary florescence. It provided a reliable model and parameter calibration method for the discrete element simulation in the research and development process of forage machinery, and also provided a reference for the research and optimization design of forage harvesting, crushing and processing machinery.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>39208287</pmid><doi>10.1371/journal.pone.0303064</doi><tpages>e0303064</tpages><orcidid>https://orcid.org/0000-0003-1708-0839</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Agricultural production Alfalfa Analysis Angle of repose Armor Biology and Life Sciences Calibration Coefficient of friction Computer and Information Sciences Computer Simulation Contact angle Crushing Design optimization Discrete element method Engineering and Technology Farm machinery Farming Fluorescence Forage Forage harvesting machinery Friction Harvest Livestock Medicago sativa Methods Mindlin plates Physical characteristics Physical properties Physical Sciences Physical tests Physiological aspects Process parameters Production processes R&D Research & development Research and Analysis Methods Restitution Rolling resistance Seeds Simulation Simulation methods Software Static friction Velocity |
| title | Calibration and test of contact parameters for alfalfa stalk at primary florescence based on discrete element method |
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