Damage of plates due to impact, dynamic pressure and explosive loads

Jones, Norman

doi:10.1590/s1679-78252013000400006

Cited by 20 publications

(8 citation statements)

References 11 publications

(16 reference statements)

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“…The experimental data from the references were compared with the analytical predictions. The difference between the analytical methods and experimental results might be due to the nonuniform loading, non-ideal clamped boundary condition around the plate boundary or radial slippage of the plates within the clamped supports (Jones, 2013).…”

Section: Monolithic Platesmentioning

confidence: 99%

“…A kinematically admissible velocity profile should be assumed first. Combining with the normality requirements of plasticity and the appropriate yield condition, equation 31derives a differential equation, which is linear under circumscribing or inscribing yield conditions (Jones, 2013). When the initial conditions are given, the solution of the governing equation provides the theoretical solution for the permanent transverse displacement.…”

Section: Monolithic Platesmentioning

confidence: 99%

“…For large impact masses (ratio of G to the plate mass .. 1), the final displacement at the centre of the plate was predicted by Jones (2013) as follows…”

Section: Rectangular Platesmentioning

confidence: 99%

“…Circular plates struck by a mass. For the rigid, perfectly plastic material, the permanent transverse displacement of a circular plate stuck at the centre by a rigid mass G is obtained (Jones, 2013) as follows where the non-dimensional initial kinetic energy, l, is defined as equation 35. Clamped circular plates struck by a mass were also investigated experimentally by previous researchers and the results are plotted in Figure 8(b).…”

Section: Circular Platesmentioning

confidence: 99%

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Dynamic response of monolithic and sandwich structures subjected to impulsive and impact loadings

Xiang

et al. 2017

Advances in Structural Engineering

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Monolithic and sandwich structures have been widely used as energy absorption structures in military and civil engineering. This article reviews theoretical analyses of monolithic beams and plates subjected to static loading, impulsive loading and impact by a mass systematically. Experimental data collected from the literatures are compared with these theoretical results. In addition, the critical impulses for the failure of the monolithic structures are also reviewed. Furthermore, sandwich structures under quasi-static, low-velocity impact, high-velocity impact and blast loading, as well as their failure modes, are also summarized. The research methodology involves experimental investigations, theoretical analyses and numerical simulations.

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Section: Monolithic Platesmentioning

confidence: 99%

Section: Monolithic Platesmentioning

confidence: 99%

“…For large impact masses (ratio of G to the plate mass .. 1), the final displacement at the centre of the plate was predicted by Jones (2013) as follows…”

Section: Rectangular Platesmentioning

confidence: 99%

Section: Circular Platesmentioning

confidence: 99%

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Dynamic response of monolithic and sandwich structures subjected to impulsive and impact loadings

Xiang

et al. 2017

Advances in Structural Engineering

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“…y are the speeds of each phase. The information about impacting dynamic pressure can be used to estimate expected damage levels on structures (as in [27], [28], [29], [30]), which can be useful for vulnerability analysis.…”

Section: Modeling Lahars With Titan2fmentioning

confidence: 99%

A Modeling Approach for Lahar Hazard Assessment: the Case of Tamasagra Sector in the City of Pasto, Colombia

et al. 2019

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The computational program Titan2F, a two phase flow modeling program, is used to model several hypothetical scenarios of volcanic origin mud flows (lahars) in order to estimate the spacial and temporary evolution of this potentially destructive natural phenomena at its entrance of the city of Pasto, Colombia through the Mijitayo river basin. The predictions of the program suggest that extremely high and destructive dynamic pressures at the entrance to the city can be expected. In addition, our simulations show that half of the Tamasagra and El Bosque neighbors can be inundated with lahar depths of about 1 meter thickness. The program shows to be capable to deal with the modeling of the effect of the streets and buildings on the flow behavior, showing how the streets channelizes the flow governing the path of it. In addition, our results allow to identify regions where the flow loss most of its energy, where mitigation of risk can be suggested.

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Preliminary Similarity Analysis on the Deformation Dynamic Response of Thin Plates Subjected to Blast and Impact Loadings

Gao

Dong

Xiao

et al. 2018

Propellants Explo Pyrotec

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The similarity and conditions for the similarity of deformation dynamic response of thin circular plates subjected to blast and impact loadings under certain conditions were studied by experimental tests and numerical simulation using air explosion and drop hammer impact loadings. The results revealed that the final deformed shapes of thin plates subjected to the two dynamic loadings are similar with less than 2 % difference in deflection and less than 8 % difference in deformed volume. The deformation similarity of plates subjected to blast and impact loadings can be achieved as the shock dimensionless number and the hammer shape satisfying given features. The deformation responses of the thin plates satisfying the constraints to blast and impact loadings are opposite. The key parameters of the blast and impact loading systems were obtained by the dimensional analysis using Buckingham π theorem. Based on these results, a similarity scheme was proposed. The numerical simulation was verified with the experimental results. In all, a novel method was established to study the similitude of analogous systems, which could be extended to other similar physical problems.

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Damage of plates due to impact, dynamic pressure and explosive loads

Cited by 20 publications

References 11 publications

Dynamic response of monolithic and sandwich structures subjected to impulsive and impact loadings

Dynamic response of monolithic and sandwich structures subjected to impulsive and impact loadings

A Modeling Approach for Lahar Hazard Assessment: the Case of Tamasagra Sector in the City of Pasto, Colombia

Preliminary Similarity Analysis on the Deformation Dynamic Response of Thin Plates Subjected to Blast and Impact Loadings

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