Methodology for modeling oscillations of a moving beam using the Project Chrono library

The current task of developing an integral part of a new software package designed to simulate the interaction of elastically deformable structures with the flow of an incompressible medium is being solved. In this paper, a method for modeling the dynamics of a girder structure is developed and verified, designed to solve related problems of hydroelasticity. The algorithm of the technique and the software module implemented in C++ are described, using the open source library Project Chrono, which contains mathematical models and algorithms for solving systems of equations necessary for modeling the dynamics of mechanisms with elastic links. The results of calculations of four model problems are presented in comparison with the results obtained by other mathematical modeling methods such as the analytical solution of free vibrations of a cantilevered beam and the solution of problems using the finite element method in the Solid Works Simulation software package. It is shown that the developed technique ensures numerical convergence of the results of the considered methods with increasing discretization of the computational scheme.
EDN: IGYVOJ, https://elibrary/igyvoj

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