Meshfree modeling of concrete slab perforation using a reproducing kernel particle impact and penetration formulation

Jesse A. Sherburn, Michael J. Roth, J. S. Chen, Michael Charles Hillman

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Abstract A meshfree formulation under the reproducing kernel particle method (RKPM) was introduced for modeling the penetration and perforation of brittle geomaterials such as concrete. RKPM provides a robust framework to effectively model the projectile-target interaction and the material failure and fragmentation behaviors that are critical for this class of problems. A stabilized semi-Lagrangian formulation, in conjunction with a multiscale material damage model for brittle geomaterials and a kernel contact algorithm, were introduced for penetration modeling. In this work, the accuracy of the meshfree impact and penetration formulation was studied using a series of large-caliber projectile concrete slab perforation experiments with impact velocities in the ballistic regime. These experiments were selected due to the challenging nature of concrete perforation, and the results were used to validate the effectiveness of the proposed method to model the penetration processes and the concrete target failure. Simulation results confirm the formulation's accuracy for this type of high-rate ballistic problem and establish a basis for extension to other types of impact problems. The results show the importance of properly formulating the method of domain integration to maintain accuracy in the presence of concrete fragmentation, and also highlight the method's ability to capture the fragmentation response without a need for non-physical treatments commonly used in conventional methods.

Original languageEnglish (US)
Article number2554
Pages (from-to)96-110
Number of pages15
JournalInternational Journal of Impact Engineering
Volume86
DOIs
StatePublished - Sep 1 2015

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Concrete slabs
Concretes
Projectiles
Ballistics
Experiments

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Automotive Engineering
  • Aerospace Engineering
  • Safety, Risk, Reliability and Quality
  • Ocean Engineering
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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title = "Meshfree modeling of concrete slab perforation using a reproducing kernel particle impact and penetration formulation",
abstract = "Abstract A meshfree formulation under the reproducing kernel particle method (RKPM) was introduced for modeling the penetration and perforation of brittle geomaterials such as concrete. RKPM provides a robust framework to effectively model the projectile-target interaction and the material failure and fragmentation behaviors that are critical for this class of problems. A stabilized semi-Lagrangian formulation, in conjunction with a multiscale material damage model for brittle geomaterials and a kernel contact algorithm, were introduced for penetration modeling. In this work, the accuracy of the meshfree impact and penetration formulation was studied using a series of large-caliber projectile concrete slab perforation experiments with impact velocities in the ballistic regime. These experiments were selected due to the challenging nature of concrete perforation, and the results were used to validate the effectiveness of the proposed method to model the penetration processes and the concrete target failure. Simulation results confirm the formulation's accuracy for this type of high-rate ballistic problem and establish a basis for extension to other types of impact problems. The results show the importance of properly formulating the method of domain integration to maintain accuracy in the presence of concrete fragmentation, and also highlight the method's ability to capture the fragmentation response without a need for non-physical treatments commonly used in conventional methods.",
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Meshfree modeling of concrete slab perforation using a reproducing kernel particle impact and penetration formulation. / Sherburn, Jesse A.; Roth, Michael J.; Chen, J. S.; Hillman, Michael Charles.

In: International Journal of Impact Engineering, Vol. 86, 2554, 01.09.2015, p. 96-110.

Research output: Contribution to journalArticle

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