Volume 1: Advanced Packaging; Emerging Technologies; Modeling and Simulation; Multi-Physics Based Reliability; MEMS and NEMS; M 2013
DOI: 10.1115/ipack2013-73291
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Dynamic Analysis of Thin Glass Under Ball Drop Impact With New Metrics

Abstract: Response of brittle plate to impact loads has been the subject of many research studies [1–7]. Specifically, glass presents a wide variety of applications in daily life, and helps to protect the displays of smartphones, tablets, PCs, and TVs from everyday wear and tear. Therefore, the necessity of glass to resist scratches, drop impacts, and bumps from everyday use leads to the importance of investigation of the glass response under dynamic impact loading. The ball drop test has been applied in the past, speci… Show more

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Cited by 10 publications
(6 citation statements)
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“…The laminated target consisted of two glass panels, one polymer interlayer and the rubber gaskets. The chemically toughened glass was modelled as an elastic material with density, ρ= 2440 kg m −3 , Young's Modulus, E = 71.7 GPa and Poisson's ratio, v = 0.21 (Xue et al 2017). Note that the response of the laminated glass windows was simulated only at impact velocities for which no fracture occurs in the glass layers.…”
Section: Laminated Glass Targetmentioning
confidence: 99%
“…The laminated target consisted of two glass panels, one polymer interlayer and the rubber gaskets. The chemically toughened glass was modelled as an elastic material with density, ρ= 2440 kg m −3 , Young's Modulus, E = 71.7 GPa and Poisson's ratio, v = 0.21 (Xue et al 2017). Note that the response of the laminated glass windows was simulated only at impact velocities for which no fracture occurs in the glass layers.…”
Section: Laminated Glass Targetmentioning
confidence: 99%
“…Assuming that a given glass member is restrained via mechanical supports having partial rotational stiffness Kr ≠ 0 (in kNm/rad) and Ks = ∞, the restraints act as flexible clamps that must be properly taken into account for design. Moreover, following Section 4.1, it is convenient to express these rotational and axial stiffness contributions as: = (9) and = (10) where Rr = 0 corresponds to the limit condition of a S-S beam and Rr = ∞ denotes the C-C configuration. As far as a monolithic or LG beam is taken into account in Equations (9) and (10), its bending stiffness EI can be expressed as a function of the total b × h or equivalent b × hef section (Equation (3)).…”
Section: Derivation Of Practical Fitting Curves For Lg Members With Fmentioning
confidence: 99%
“…From a structural point of view, critical design conditions can include explosive events [3][4][5] and impacts [6][7][8], natural hazards and earthquakes [9,10], and dynamic loads in general (including moving loads, in the case of pedestrian systems [11][12][13][14][15][16]), whose effects need dedicated calculation methods.…”
Section: Introductionmentioning
confidence: 99%
“…Three different impact energies, 0.5, 1, and 2 J, and three steel balls size, 0.75, 1, and 2 in diameter are chosen. Some of the works reported in this draft are presented earlier at an International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems (InterPACK) . The constitutive relationship development of the hyperelastic material used in the experiments is further added to the current draft.…”
Section: Introductionmentioning
confidence: 99%
“…Some of the works reported in this draft are presented earlier at an International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems (InterPACK). 11 The constitutive relationship development of the hyperelastic material used in the experiments is further added to the current draft. In addition, results from the modified and improved numerical model are presented.…”
Section: Introductionmentioning
confidence: 99%