Scaling aspects of quadrangular plates subjected to localised blast loads—experiments and predictions

Jacob, Nisha; Yuen, S. Chung Kim; Nurick, G.N.; Bonorchis, D.; Desai, Suhasini; Tait, D.

doi:10.1016/j.ijimpeng.2004.03.012

Cited by 143 publications

(90 citation statements)

References 14 publications

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“…Figure 2.5 depicts plates that have been subjected to localised blast loading in air. [20]. Capping has occurred in the top plate whilst thinning is very pronounced in the second & third plates.…”

Section: Deformation Profilesmentioning

confidence: 99%

The response of quadrangular plates to buried charges

Pickering

Yuen

Nurick

et al. 2012

International Journal of Impact Engineering

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Section: Deformation Profilesmentioning

confidence: 99%

The response of quadrangular plates to buried charges

Pickering

Yuen

Nurick

et al. 2012

International Journal of Impact Engineering

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“…The elastic-plastic numerical predictions in that paper showed good agreement with the experimental results not only of the permanent deflection but also of the transient deformation profiles. Jacob et al (2004) reported a series of experimental results on clamped mild steel quadrangular plates of different thicknesses and varying length-to-width ratios subjected to localized blast loads of varying sizes. The experimental results they presented provide an insight into the effect of scaling of plate geometries and in particular the loading conditions for impulsively loaded quadrangular plates.…”

Section: Introductionmentioning

confidence: 99%

Effects of the Strain Rate Sensitivity and Strain Hardening on the Saturated Impulse of Plates

Zhu

Chen

et al. 2017

Lat. Am. j. solids struct.

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This paper studies the stiffening effects of the material strain rate sensitivity and strain hardening on the saturated impulse of elastic, perfectly plastic plates. Finite element (FE) code ABAQUS is employed to simulate the elastoplastic response of square plates under rectangular pressure pulse. Rigid-plastic analyses for saturated impulse, which consider strain rate sensitivity and strain hardening, are conducted. Satisfactory agreement between the finite element models (FEM) and predictions of the rigid-plastic analysis is obtained, which verifies that the proposed rigid-plastic methods are effective to solve the problem including strain rate sensitivity and strain hardening. The quantitative results for the scale effect of the strain rate sensitivity are given. The results for the stiffening effects suggest that two general stiffening factors 1 n and 2 n , which characterizes the strain rate sensitivity and strain hardening effect, respectively can be defined. The saturated displacement is inversely proportional to the stiffening factors (i.e. 1 n and 2 n ) and saturated impulse is inversely proportional to the square roots of the stiffening factors (i.e. 1 n and 2 n ). Formulae for displacement and saturated impulse are proposed based on the empirical analysis.

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“…One vein through which this goal is achievable is the right choice of material. In fact, a considerable body of literature exists on the performance of steel, aluminium and composite plates subjected to uniformly impulsively (generated by far field explosives) blast, or localised blasts [1], [2] (generated by near field explosives), assessed numerically, experimentally [3]- [5] and theoretically. While the ballistic energy absorption capacity of some materials may be insufficient due to low ductility, low strength and weak hardening [6]- [8], other materials such as high strength ARMOX steel are more promising as they possess excellent ballistic performance due to high strength and ductility thus high energy absorbing capacity.…”

Section: Introductionmentioning

confidence: 99%