结果表明，十四面体模型可以较好地预测低密度闭孔泡沫的弹性性能。

It's found that the tetrakaidecahedral model can predict the elastic properties of the closed-cell foam quite well.

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因此，选用十四面体单元模型模拟结果更符合实际情况，选用铝的各种合金可提高泡沫铝的力学性能。

Therefore, Kelvin mold should be selected to more realistic; a variety of aluminum alloys can be used to improve the mechanical properties.

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