Structural Mechanics of Engineering Constructions and BuildingsStructural Mechanics of Engineering Constructions and Buildings1815-52352587-8700Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)10870Research ArticleEVALUATION OF THE ACCURACY OF NUMERICAL SIMULATION RESULTS WHEN SOLVING THE PROBLEM OF PROPAGATION OF PULSE EXPOSURE IN THE FORM OF A TRIANGLE IN AN ELASTIC HALF-PLANEMusayevV Kmusayev-vk@yandex.ruDikovaE V-Akat'evS V-StarodubtsevV V-SamoylovS N-Moskovskiy Gosudarstvenniy Mashinostroitel'niy Universitet, Moscow15062015681212092016Copyright © 2016, Structural Mechanics of Engineering Constructions and Buildings2016Nformation about the reliability and accuracy of the results of numerical simulation of stress waves in solid deformable environment is presented. The task is implemented using the finite element method in displacements. The comparison with results of the analytical solution on the front plane longitudinal elastic wave is made. The studied problem is presented in the form of a half-planeboundary value problemdifferential equations in partial derivativesthe problem with the initial conditionsmathematical modelingfinite element methodtransient wave of voltagean explicit two-layer scheme and the analytical solutioncomparisonaccu- racyhalf-planethe wave frontthe Delta function pulse effect in the form of a triangleкраевая задачадифференциальные уравнения в частных производныхзадача с начальными условиямиматематическое моделированиеметод конечных элементовнестационарные волны напряженийявная двухслойная схемааналитическое решениесопоставлениедостоверностьполуплоскостьфронт волныдельта функцияимпульсное воздействие в виде треугольника