• axisymmetric indentation of curved elastic membranes by a convex rigid indenter

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 772
    • تعداد پرسش و پاسخ ها: 0
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     motivated by applications to seed germination, we consider the transverse deflection that results from the axisymmetric indentation of an elastic membrane by a rigid body. the elastic membrane is fixed around its boundary, with or without an initial pre-stretch, and may be initially curved prior to indentation. general indenter shapes are considered, and the load–indentation curves that result for a range of spheroidal tips are obtained for both flat and curved membranes. wrinkling may occur when the membrane is initially curved, and a relaxed strain-energy function is used to calculate the deformed profile in this case. applications to experiments designed to measure the mechanical properties of seed endosperms are discussed.

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