%0 Journal Article %T THE MATHEMATICAL DEFINITION OF TRAWL DOOR FOR NUMERIC SIMULATION DYNAMICS OF MID-WATER TRAWL SYSTEM %A Nedostup, A.. %A Razhev, A.. %K mid-water trawl system, trawl door, mathematical model, alternating direction implicit method, mass-points, graphics processor, computer program %J Vestnik of Astrakhan State Technical University. Series: Fishing industry %D 2017 %N %P 6 %I Astrakhan State Technical University