Application of the Riemann problem with complex equations of state for modeling three-dimensional flows of real mediaстатьяИсследовательская статья
Информация о цитировании статьи получена из
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 8 апреля 2022 г.
Аннотация:The paper considers the numerical simulation of spatial flows of real media in safetyvalves on the basis of the problem of an arbitrary discontinuity breakdown with complexequations of state. The solution is constructed by means of the developed numerical method,which is a modification of the classical scheme by S. K. Godunov and includes variouscomplex equations of state of matter. The Van der Waals equations of state were used to modelthe flow of real gases, and the Mie-Grüneisen equation was used to describe the flow of a realweakly compressible fluid. It is shown that the proposed numerical schemes allow formodeling fluid and gas dynamic processes in real fluids and gases with shock waves andcontact discontinuities and can be used both in areas of classical medium behavior and in areaswith non-classical behavior.