TY JOUR TI Modeling the process of rut formation during sequential interaction of forwarder wheels with solid obstacles on a skid trail taking into account soil moisture KW forwarder KW skidding trail KW dynamic pressure KW obstacle KW soil moisture KW mathematical modeling KW trafficability JO Forestry Engineering Journal AU Shapiro, V.Y. AU Grigor'ev, I.V. AU Sibiryatkin, E.V. AU Tihonov, E.A. AU Perfil'ev, P.N. PY 2026 IS 16 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov