论文标题

穿透过程中的构型力

Configurational Forces in Penetration Processes

论文作者

Bigoni, Davide, Amato, Marco, Corso, Francesco Dal

论文摘要

由于对生物力学的渗透问题的参考很松散(例如,通过细胞的膜穿透的纳米颗粒或用移液器吸吮的细胞的纳米颗粒),在此过程中研究了构型力的作用,其中将合规的入侵者插入弹性结构中。为了插入刚性约束中,发现与变形的人体所需的菌株平方成比例的构型,被发现。当考虑约束的依从性时,这种力具有更复杂的结构,但是在所有情况下,它倾向于驱逐穿透性身体。

With a loose reference to problems of penetration in biomechanics (for instance, a nanoparticle penetrating through a cell's membrane or a cell sucked with a pipette), the role of configurational forces is investigated during the process in which a compliant intruder is inserted into an elastic structure. For insertion into a rigid constraint, a configurational force proportional to the square of the strain needed to deform the body, which is penetrating, is found. This force has a more complex structure when the compliance of the constraint is kept into account, but in all cases, it tends to expel the penetrating body.

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