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Impact fragmentation of polyurethane and polypropylene cylinder

Kishimura, Hiroaki; Noguchi, Daisuke; Preechasupanya, … - In: Physica A: Statistical Mechanics and its Applications 392 (2013) 22, pp. 5574-5580

The impact fragmentation of a bulk polyurethane elastomer (PU) and polypropylene (PP) cylinder have been investigated …

Persistent link: https://www.econbiz.de/10010872969

Scaling relations for diversity of languages

Gomes, M.A.F; Vasconcelos, G.L; Tsang, I.J; Tsang, I.R - In: Physica A: Statistical Mechanics and its Applications 271 (1999) 3, pp. 489-495

simulations of fragmentation dynamics where similar scalings appear. The language size distribution is also studied and shown to …

Persistent link: https://www.econbiz.de/10010873370

Diversity of fragments in the collapse of brittle solids11This work was supported in part by CNPq, FAPESP, and FINEP (Brazilian Government Agencies).

Brito, V.P.; Gomes, M.A.F.; Souza, F.A.O.; Adhikari, … - In: Physica A: Statistical Mechanics and its Applications 259 (1998) 3, pp. 227-234

An experimental study of fragmentation of brittle solids under the application of repeated impulsive force is made …

Persistent link: https://www.econbiz.de/10010873563

Effects of introduction of new resources and fragmentation of existing resources on limiting wealth distribution in asset exchange models

Ali Saif, M.; Gade, Prashant M. - In: Physica A: Statistical Mechanics and its Applications 388 (2009) 5, pp. 697-704

introducing newer agents in the system (c) both fragmentation and entry of new agents is taking place. While models (a) and (c) do …

Persistent link: https://www.econbiz.de/10010873947

Application of a cellular automata model to the study of soil particle size distributions

Prosperini, N.; Perugini, D. - In: Physica A: Statistical Mechanics and its Applications 383 (2007) 2, pp. 595-602

In this contribution, particle size distributions (PSD) of soil samples are analyzed by fractal methods. Different scaling domains, characterizing different ranges of particle sizes, are identified. Numerical models based on cellular automata are presented with the aim to understand the basic...

Persistent link: https://www.econbiz.de/10010874409

Dimensional crossover in fragmentation

Sotolongo-Costa, Oscar; Rodriguez, Arezky H; Rodgers, G.J - In: Physica A: Statistical Mechanics and its Applications 286 (2000) 3, pp. 638-642

Experiments in which thick clay plates and glass rods are fractured have revealed different behavior of fragment mass distribution function in the small and large fragment regions. In this paper we explain this behavior using non-extensive Tsallis statistics and show how the crossover between...

Persistent link: https://www.econbiz.de/10010874585

Fragment distributions for brittle rods with patterned breaking probabilities

Higley, Michael; Belmonte, Andrew - In: Physica A: Statistical Mechanics and its Applications 387 (2008) 28, pp. 6897-6912

We present a modeling framework for 1D fragmentation in brittle rods, in which the distribution of fragments is written ….R. Gladden, N.Z. Handzy, A. Belmonte, E. Villermaux, Dynamic buckling and fragmentation in brittle rods, Phys. Rev. Lett. 94 …

Persistent link: https://www.econbiz.de/10010872280

Kostoglou, Margaritis - In: Physica A: Statistical Mechanics and its Applications 320 (2003) C, pp. 84-96

New large time asymptotic (self-similar) solutions of the fragmentation (breakage) equation are derived in closed form … for the case of certain homogeneous discrete fragmentation kernel. A fragmentation kernel is called homogeneous and … fragmentation kernel is not a continuous function. The present solutions are the first explicit self-similarity distributions for …

Persistent link: https://www.econbiz.de/10010872656

Models of fragmentation with power law log-normal distributions

Tavassoli, Z.; Shirvani, A. Esmaeilnia - In: Physica A: Statistical Mechanics and its Applications 286 (2000) 1, pp. 29-44

Two models of binary fragmentation are introduced in which a time-dependent transition size produces two regions of … fragment sizes above and below the transition size. In the models, we consider a fixed rate of fragmentation for the largest … fragment and two different rates of fragmentation for the two regions of sizes above and below the transition size. The models …

Persistent link: https://www.econbiz.de/10010589117

Stochastic Skellam model

Kraenkel, R.A.; Silva, D.J. Pamplona da - In: Physica A: Statistical Mechanics and its Applications 389 (2010) 1, pp. 60-66

We consider the dynamics of a biological population described by the Fisher–Kolmogorov–Petrovskii–Piskunov (FKPP) equation in the case where the spatial domain consists of alternating favorable and adverse patches whose sizes are distributed randomly. For the one-dimensional case we define...

Persistent link: https://www.econbiz.de/10010589294