Article: New findings from C. Hellmich and co-researchers in the area of engineering mechanics described.

"We here extend the theory of microporomechanics by Dormieux to multiple pore spaces," scientists in Vienna, Austria report.

"As an application, we reveal, on the basis of a recently validated multiscale elastic model for bone tissues by Fritsch and Hellmich, the effects of multiple pore pressures in various, scale-separated pore spaces, on the overall behavior of the multiporous composite material. Thereby, our focus is on the lacunar pore space, and on its interplay with the pore spaces found further below: not only those between the mineral crystals (of some 10 nm characteristic pore size) but also those of the collagen molecules building up (micro-)fibrils ...

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