2008
DOI: 10.1007/s00466-008-0327-6
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Computational assessment of ballistic impact on a high strength structural steel/polyurea composite plate

Abstract: Ballistic impact on a polyurea retrofitted high strength structural steel plate is simulated and validated. A soft material model for polyurea, which is capable of capturing complex mechanical behavior characterized by large strains, hysteresis, rate sensitivity, stress softening (Mullins effect), and deviatoric and volumetric plasticity, is calibrated against several uniaxial tension experiments and a threedimensional release wave experiment to capture both the material point and bulk behaviors. A porous plast… Show more

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Cited by 71 publications
(39 citation statements)
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References 16 publications
(24 reference statements)
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“…In their numerical simulation, the effect of the bonding strength between the polyurea and the steel was studied and the fracture and penetration of the steel plate and the polyurea were not considered. El Sayed et al (2009) considered specimens identical to those considered. They obtained excellent agreement with deformations prior to fracture in their simulations but did not report penetration.…”
Section: Introductionmentioning
confidence: 99%
“…In their numerical simulation, the effect of the bonding strength between the polyurea and the steel was studied and the fracture and penetration of the steel plate and the polyurea were not considered. El Sayed et al (2009) considered specimens identical to those considered. They obtained excellent agreement with deformations prior to fracture in their simulations but did not report penetration.…”
Section: Introductionmentioning
confidence: 99%
“…), and/or ball-joint systems used in space grid technologies awaits attention. Future work is also needed with regards to the experimental testing of real-scale PMBS, the multiscale modeling of viscoelasticity, plasticity, fracture and damage, nonhomogeneous and nonlocal response [33]- [47], as well as the inclusion of prestressed cables in PMBs [48] [49], made, e.g., of shape memory alloys, in order to increase the dissipation and re-centering capacities of the device [18], [24]. Future studies will also investigate shell-like generalizations the systems examined in the present work [43]- [49], the insertion of struts with different response in tension and compression within pentamode lattices [50]- [54], and the fabrication and testing of physical models through innovative manufacturing techniques [55]- [58].…”
Section: Discussionmentioning
confidence: 99%
“…We address a generalization of the present theory dealing with the limit behavior of vaults, membranes, and structural networks; and the inclusion of different free-discontinuity approaches to the variational theory of fracture, crushing and fracturing of masonry, as well as interface debonding and ripping (FRPreinforced structures) to future work [22,25,[29][30][31][32][33][34].…”
Section: Discussionmentioning
confidence: 99%