منابع مشابه
Universality of fragment shapes
The shape of fragments generated by the breakup of solids is central to a wide variety of problems ranging from the geomorphic evolution of boulders to the accumulation of space debris orbiting Earth. Although the statistics of the mass of fragments has been found to show a universal scaling behavior, the comprehensive characterization of fragment shapes still remained a fundamental challenge. ...
متن کاملScaling behavior of fragment shapes.
We present an experimental and theoretical study of the shape of fragments generated by explosive and impact loading of closed shells. Based on high speed imaging, we have determined the fragmentation mechanism of shells. Experiments have shown that the fragments vary from completely isotropic to highly anisotropic elongated shapes, depending on the microscopic cracking mechanism of the shell. ...
متن کاملExtended universality of the surface curvature in equilibrium crystal shapes
We investigate the universal property of curvatures in surface models that display a flat phase and a rough phase whose criticality is described by the Gaussian model. Earlier we derived a relation between the Hessian of the free energy and the Gaussian coupling constant in the six-vertex model. Here we show its validity in a general setting using renormalization group arguments. The general va...
متن کاملFragment shapes in impact experiments ranging from cratering to catastrophic disruption
http://dx.doi.org/10.1016/j.icarus.2015.09.038 0019-1035/ 2015 The Authors. Published by Elsevier Inc. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). ⇑ Corresponding author. E-mail address: [email protected] (T. Michikami). Tatsuhiro Michikami a,⇑, Axel Hagermann , Tokiyuki Kadokawa , Akifumi Yoshida , Akira Shimada , ...
متن کاملFRIF Workshop on First Principles Non-Perturbative QCD of Hadron Jets Universality of Nonperturbative Effects in Event Shapes
Nonperturbative effects in event shape distributions can be characterized by shape functions derived in the eikonal approximation or, equivalently, from soft-collinear effective theory. The use of energy flow operators and the boost invariance of the Wilson lines of soft gluons in the shape functions leads to a proof of universality for power corrections to the mean values of event shapes, with...
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ژورنال
عنوان ژورنال: Scientific Reports
سال: 2015
ISSN: 2045-2322
DOI: 10.1038/srep09147