“…The described model is implemented in the software package LOGOS, which is used for the numerical simulations presented below. The LOGOS software package has been tested for the given class of problems and has shown sufficiently reliable results [Kozelkov et al, 2013, Kozelkov et al, 2014b, 2015b, 2016b, Volkov et al, 2013, Betelin et al, 2014, Deryugin et al, 2015.…”