Dynamic behavior of one-dimensional foam disk chains during low-velocity impact

Reddy M, Vikranth; Matos, Helio; Rousseau, Carl-Ernst; Shukla, Arun

doi:10.1016/j.ijimpeng.2023.104842

International Journal of Impact Engineering

2024

DOI: 10.1016/j.ijimpeng.2023.104842

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Dynamic behavior of one-dimensional foam disk chains during low-velocity impact

Vikranth Reddy M,

Helio Matos,

Carl-Ernst Rousseau

et al.

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Energy distribution in 1D chains of foam disks subjected to low-velocity impact at different temperatures

Reddy M,

Matos,

Shukla

et al. 2024

Journal of Cellular Plastics

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A series of experiments is conducted to study energy transfer in a chain of foam disks as a function of temperature. These experiments use two different densities of closed-cell Polyvinyl Chloride foams as an array. A puncture testing machine impacts the chain at a velocity of 1 m/s at five different temperatures. Piezoelectric sensors capture the output and input forces of the chain during the impact, while high-speed cameras record the disk deformations. The chain’s energy retention is computed using disk deformations and loading forces. Results indicate that high-density foam chains exhibit significantly higher force and energy retention than low-density counterparts. Notably, the foam’s stiffness decreases with rising temperature, more prominently in higher-density foam. However, the proportion of energy retained by the chains remains relatively consistent across different temperatures. Additionally, both foam types show a pattern of exponential decay in energy retention along the chain. These insights offer implications for designing and optimizing energy-absorbing foam systems, paving the way for enhanced energy mitigation in low-velocity impact applications.

show abstract

Energy distribution in 1D chains of foam disks subjected to low-velocity impact at different temperatures

Reddy M,

Matos,

Shukla

et al. 2024

Journal of Cellular Plastics

View full text Add to dashboard Cite

show abstract

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Dynamic behavior of one-dimensional foam disk chains during low-velocity impact

Cited by 1 publication

References 40 publications

Energy distribution in 1D chains of foam disks subjected to low-velocity impact at different temperatures

Energy distribution in 1D chains of foam disks subjected to low-velocity impact at different temperatures

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