A Crater Cavitation Model of Eroding Long Rod Projectile Penetrating a Semi-Infinite Metal Target
This article conducts an analysis and research on the issue of crater growth when an eroding rod penetrates a plastic target. By explaining the movement speed of the projectile deformation interface, the evolutionary mechanism of the projectile’s mushroom head under different impact velocities is el...
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| Veröffentlicht in: | Mechanics of solids 2024-06, Vol.59 (3), p.1408-1427 |
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| container_title | Mechanics of solids |
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| creator | Wu, H. L. Wang, M. Li, X. Meng, X. Y. Li, B. Du, Z. H. Du, C. X. |
| description | This article conducts an analysis and research on the issue of crater growth when an eroding rod penetrates a plastic target. By explaining the movement speed of the projectile deformation interface, the evolutionary mechanism of the projectile’s mushroom head under different impact velocities is elucidated. Additionally, an analytical expression for the stress values in the high-pressure region of the projectile head is provided. Based on the dynamic theory of spherical/cylindrical cavity expansion and the power-law strain hardening material constitutive considering strain rate effects, an crater growth model is established. The results indicate a better alignment between the cylindrical crater growth model and numerical simulations. When determining the model’s boundary conditions, the separation boundary conditions of the actual contact surface between the eroding rod and the impacted target are summarized under ideal conditions. |
| doi_str_mv | 10.1134/S0025654424602660 |
| format | Article |
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L. ; Wang, M. ; Li, X. ; Meng, X. Y. ; Li, B. ; Du, Z. H. ; Du, C. X.</creator><creatorcontrib>Wu, H. L. ; Wang, M. ; Li, X. ; Meng, X. Y. ; Li, B. ; Du, Z. H. ; Du, C. X.</creatorcontrib><description>This article conducts an analysis and research on the issue of crater growth when an eroding rod penetrates a plastic target. By explaining the movement speed of the projectile deformation interface, the evolutionary mechanism of the projectile’s mushroom head under different impact velocities is elucidated. Additionally, an analytical expression for the stress values in the high-pressure region of the projectile head is provided. Based on the dynamic theory of spherical/cylindrical cavity expansion and the power-law strain hardening material constitutive considering strain rate effects, an crater growth model is established. The results indicate a better alignment between the cylindrical crater growth model and numerical simulations. When determining the model’s boundary conditions, the separation boundary conditions of the actual contact surface between the eroding rod and the impacted target are summarized under ideal conditions.</description><identifier>ISSN: 0025-6544</identifier><identifier>EISSN: 1934-7936</identifier><identifier>DOI: 10.1134/S0025654424602660</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Boundary conditions ; Cavitation erosion ; Cavity expansion ; Classical Mechanics ; Contact pressure ; Contact stresses ; Craters ; Deformation analysis ; Deformation effects ; Deformation mechanisms ; Impact analysis ; Impact velocity ; Physics ; Physics and Astronomy ; Pressure effects ; Pressure head ; Projectiles ; Strain hardening ; Strain rate</subject><ispartof>Mechanics of solids, 2024-06, Vol.59 (3), p.1408-1427</ispartof><rights>Pleiades Publishing, Ltd. 2024. 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Y.</creatorcontrib><creatorcontrib>Li, B.</creatorcontrib><creatorcontrib>Du, Z. H.</creatorcontrib><creatorcontrib>Du, C. X.</creatorcontrib><title>A Crater Cavitation Model of Eroding Long Rod Projectile Penetrating a Semi-Infinite Metal Target</title><title>Mechanics of solids</title><addtitle>Mech. Solids</addtitle><description>This article conducts an analysis and research on the issue of crater growth when an eroding rod penetrates a plastic target. By explaining the movement speed of the projectile deformation interface, the evolutionary mechanism of the projectile’s mushroom head under different impact velocities is elucidated. Additionally, an analytical expression for the stress values in the high-pressure region of the projectile head is provided. Based on the dynamic theory of spherical/cylindrical cavity expansion and the power-law strain hardening material constitutive considering strain rate effects, an crater growth model is established. The results indicate a better alignment between the cylindrical crater growth model and numerical simulations. When determining the model’s boundary conditions, the separation boundary conditions of the actual contact surface between the eroding rod and the impacted target are summarized under ideal conditions.</description><subject>Boundary conditions</subject><subject>Cavitation erosion</subject><subject>Cavity expansion</subject><subject>Classical Mechanics</subject><subject>Contact pressure</subject><subject>Contact stresses</subject><subject>Craters</subject><subject>Deformation analysis</subject><subject>Deformation effects</subject><subject>Deformation mechanisms</subject><subject>Impact analysis</subject><subject>Impact velocity</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Pressure effects</subject><subject>Pressure head</subject><subject>Projectiles</subject><subject>Strain hardening</subject><subject>Strain rate</subject><issn>0025-6544</issn><issn>1934-7936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp1kNFLwzAQxoMoOKd_gG8Bn6u5NE3bx1GmG2w43HwuWXMZGV0z00zwvzdlgg_iyx3c9_vuuI-Qe2CPAKl4WjPGM5kJwYVkXEp2QUZQpiLJy1RektEgJ4N-TW76fs9YpDiMiJrQyquAnlbq0wYVrOvo0mlsqTN06p223Y4uXCxvTtOVd3tsgm2RrrDDEK2DrugaDzaZd8Z2NiBdYlAt3Si_w3BLroxqe7z76WPy_jzdVLNk8foyryaLpIGyCImEhiPqotR5I1RmCsyUEQhaSsPlNi_iFJtSbbXMschFZqTmYJAZkDL-nI7Jw3nv0buPE_ah3ruT7-LJOgWeppJBAZGCM9V41_ceTX309qD8Vw2sHpKs_yQZPfzs6SPb7dD_bv7f9A2wUHS4</recordid><startdate>20240601</startdate><enddate>20240601</enddate><creator>Wu, H. 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L.</creatorcontrib><creatorcontrib>Wang, M.</creatorcontrib><creatorcontrib>Li, X.</creatorcontrib><creatorcontrib>Meng, X. Y.</creatorcontrib><creatorcontrib>Li, B.</creatorcontrib><creatorcontrib>Du, Z. H.</creatorcontrib><creatorcontrib>Du, C. X.</creatorcontrib><collection>CrossRef</collection><jtitle>Mechanics of solids</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wu, H. L.</au><au>Wang, M.</au><au>Li, X.</au><au>Meng, X. Y.</au><au>Li, B.</au><au>Du, Z. H.</au><au>Du, C. X.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Crater Cavitation Model of Eroding Long Rod Projectile Penetrating a Semi-Infinite Metal Target</atitle><jtitle>Mechanics of solids</jtitle><stitle>Mech. Solids</stitle><date>2024-06-01</date><risdate>2024</risdate><volume>59</volume><issue>3</issue><spage>1408</spage><epage>1427</epage><pages>1408-1427</pages><issn>0025-6544</issn><eissn>1934-7936</eissn><abstract>This article conducts an analysis and research on the issue of crater growth when an eroding rod penetrates a plastic target. By explaining the movement speed of the projectile deformation interface, the evolutionary mechanism of the projectile’s mushroom head under different impact velocities is elucidated. Additionally, an analytical expression for the stress values in the high-pressure region of the projectile head is provided. Based on the dynamic theory of spherical/cylindrical cavity expansion and the power-law strain hardening material constitutive considering strain rate effects, an crater growth model is established. The results indicate a better alignment between the cylindrical crater growth model and numerical simulations. 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| subjects | Boundary conditions Cavitation erosion Cavity expansion Classical Mechanics Contact pressure Contact stresses Craters Deformation analysis Deformation effects Deformation mechanisms Impact analysis Impact velocity Physics Physics and Astronomy Pressure effects Pressure head Projectiles Strain hardening Strain rate |
| title | A Crater Cavitation Model of Eroding Long Rod Projectile Penetrating a Semi-Infinite Metal Target |
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