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Numerical investigation of supersonic flow for axisymmetric cones

Gross, Andreas; Fasel, Hermann F. - In: Mathematics and Computers in Simulation (MATCOM) 81 (2010) 1, pp. 133-142

An existing curvilinear finite-volume code with robust shock-capturing scheme was modified to allow for simulations of supersonic flow for axisymmetric cone geometries. It is shown how for an axisymmetric coordinate system the convective and viscous flux derivatives in the circumferential...

Persistent link: https://www.econbiz.de/10010870577

Computer simulation of fractal growth via a 2D-MECA percolative system representing an extended nutrient releasing source (NRS)

Helali, N.; Rezig, B. - In: Physica A: Statistical Mechanics and its Applications 292 (2001) 1, pp. 9-25

Monte Carlo simulations are investigated to study the effects of the nutrient releasing source (NRS) on fractal patterns developed by a generalized dynamic fractal growth model (GDFGM). The morphology of the simulated structures reveals, in cylinder geometry, a strong correlation with the source...

Persistent link: https://www.econbiz.de/10011061593

Correlated invasion percolation

Felinto, Daniel; Moreira, F.G. Brady - In: Physica A: Statistical Mechanics and its Applications 293 (2001) 3, pp. 307-314

correlated invasion percolation is connected to the critical percolated cluster of the site-bond-correlated percolation model. A …

Persistent link: https://www.econbiz.de/10010591259

Micro-foundation using percolation theory of the finite-time singular behavior of the crash hazard rate in a class of rational expectation bubbles

Seyrich, Maximilian; Sornette, Didier - 2016

crash hazard rate in the Johansen-Ledoit-Sornette model of rational expectation bubbles. The model is based on a percolation … crash. This provides a formula to estimate the crash hazard rate by summation over percolation clusters above a minimum size … of a power $s^a$ (with $a>1$) of the cluster sizes $s$, similarly to a generalized percolation susceptibility.The power …

Persistent link: https://www.econbiz.de/10011514360