2 papers
math.AP2025
Spherically symmetric collapsing solution in the form of shadow wave
Marko Nedeljkov, Sanja RužiÄiÄ
This paper deals with isothermal Euler-Poisson system which is used to model collapse of self-gravitating Newtonian star. Density dependent viscosity term is added on the right-han…
math.AP2025
Maximal dissipation and shallow water flow -- the dam-break problem
Dalal Daw, Marko Nedeljkov, Sanja RužiÄiÄ
The shallow water system with a bed jump describes a fluid flow over a dam, represented by a simple step function with the Riemann initial data is such that the vacuum is on the ri…