Geodesic
Original Methods and Approaches to Numerical Simulation of Physical Processes in Fast-Response Technical Systems
Russian journal of nonlinear dynamics, Tome 20 (2024) no. 3, pp. 385-411

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This paper presents a survey of original methods for solving problems of current interest concerning numerical simulation of the dynamics of operation of a direct-acting relief valve, as formulated and tested by Professor V. A. Tenenev, Doctor of Physics and Mathematics. New methods (not based on experimental data) are proposed to solve the problem of selecting an initial clearance and initial conditions for the dynamic characteristics of disk motion in a spring-loaded relief valve. A method due to V. A. Tenenev for constructing a computational dynamical grid for a three-dimensional analysis of the complete cycle of valve operation (“open-closed”) is presented. Approaches and methods for reducing the dimensionality of the problem of operation of the relief valve are discussed. Methods of taking into account the influence of the gas-dynamic feedback on the working processes in relief valves are developed and presented. Methods, numerical schemes and algorithms for taking into account the real properties of substances in simulating the operation of the valve are presented.
Keywords: numerical simulation, spring-loaded direct-acting relief valve, gas dynamics, operation of the relief valve, computational schemes and algorithms 
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M. R. Koroleva; O. V. Mishchenkova; A. A. Chernova. Original Methods and Approaches to Numerical Simulation of Physical Processes in Fast-Response Technical Systems. Russian journal of nonlinear dynamics, Tome 20 (2024) no. 3, pp. 385-411. http://geodesic.mathdoc.fr/item/ND_2024_20_3_a4/