Dynamic behavior simulation of foam filled honeycomb using material point method

LIU Ping; WANG Xiangyu; HUANG Zhou

doi:10.13801/j.cnki.fhclxb.20191224.001

Volume 37 Issue 9

Sep. 2020

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LIU Ping, WANG Xiangyu, HUANG Zhou. Dynamic behavior simulation of foam filled honeycomb using material point method[J]. Acta Materiae Compositae Sinica, 2020, 37(9): 2230-2239. doi: 10.13801/j.cnki.fhclxb.20191224.001

Citation:

LIU Ping, WANG Xiangyu, HUANG Zhou. Dynamic behavior simulation of foam filled honeycomb using material point method[J]. Acta Materiae Compositae Sinica, 2020, 37(9): 2230-2239. doi: 10.13801/j.cnki.fhclxb.20191224.001

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Dynamic behavior simulation of foam filled honeycomb using material point method

doi: 10.13801/j.cnki.fhclxb.20191224.001

Institute of System Engineering, China Academy of Engineering Physics, Mianyang 621900, China

Received Date: 2019-10-30
Accepted Date: 2019-12-14

Available Online: 2019-12-24

Publish Date: 2020-09-15

Abstract

Abstract

To investigate the dynamic behavior and energy absorption performance of foam filled honeycomb (FFH) under impact loading, a series of meso-structure models were established by material point method (MPM). The stress-strain curves of foam meso-structure models agree well with the theoretical model and experimental data. The deformation and damage morphologies of FFH models are consistent with those of experiments. The result shows that the filled foam and honeycomb consume energy through plastic deformation and buckling separately, and the filled-foam makes a remarkable enhancement effect on the energy absorption of the honeycomb. The influences of the filled-foam density and loading strain rate were investigated. As the filled-foam density increases, the dynamic behavior of FFH turns better, the total energy absorption and that of honeycomb component increase as well. Since the filled-foam intensifies the buckling strength of the honeycomb, the honeycomb could withstand more deformation. The stress-strain curves of FFH are sensitive to the loading strain rate, which has a certain impact on the energy absorption performance, and the total energy absorptions are confined to less than 15%. The total energy absorption and those of each component are determined by the FFH structure, and not irrelevant with the loading strain rate.
- foam filled honeycomb,
- impact behavior,
- computational modeling,
- material point method,
- meso-structure material point model
Long Abstrsct
Innovation Points

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References(27)

References

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