Nonclassical cosserat bending deformation of foams via holographic interferometry
Nonclassical cosserat bending deformation of foams via holographic interferometry
复制标题
通过全息干涉测量泡沫的非经典交叉弯曲变形
DOI:
10.1007/s00033-023-02046-1
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发表时间:
2023
期刊:
影响因子:
--
通讯作者:
Lakes, R. S.
中科院分区:
文献类型:
--
作者:
Lakes, R. S.
Nonclassical bending deformation in two foams was investigated using holographic interferometry. Sigmoid bulge deformation of the lateral surface of square cross-sectional bars was observed. Cosserat elastic constants inferred are consistent with values obtained via size effect experiments for dense polyurethane foam. For open cell copper foam, both bulge measurements and size effects implied a large Cosserat characteristic length and a large coupling number. Limitations of the available fourth-order bending analysis were encountered in this regime of strong effects.
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