Many-Body Contact Repulsion of Deformable Disks (CROSBI ID 193288)
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Podaci o odgovornosti
Šiber, Antonio ; Ziherl, Primož
engleski
Many-Body Contact Repulsion of Deformable Disks
We use a spring-and-plaquette network model to analyze the repulsion between elastic disks in contact. By studying various 2D geometries, we find that as disks approach the incompressibility limit the many-body effects become dominant and the disk-disk interaction is not pairwise additive. Upon compression, the disks undergo a transition from the localized to the distributed deformation regime accompanied by a steep increase of energy consistent with the onset of a hard core. These results shed new light on the structures formed by deformable objects such as soft nanocolloids.
elasticity; colloids; many-body; nonlinear; Hertz; contact
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Podaci o izdanju
110
2013.
214301-1-214301-5
objavljeno
0031-9007
10.1103/PhysRevLett.110.214301