A Partitioned Solution Algorithm for Concurrent Computation of Stress–Strain and Fluid Flow in Continuous Casting Process

Control of macrosegregation phenomena and deformation-related defects is a main issue in steel continuous casting. Numerical simulation could help industrial engineers to master these defects. However, as first step, it essential achieve concurrent computation fluid flow the bulk liquid stress-strain evolution already solidified regions. With this aim view, new specific partitioned solver has been developed model flow, essentially induced by inlet jet distributed submerged nozzle, well thermal deformation solid shell. The procedure allows simulating transient regime, up convergence steady-state regime. For purpose, computational finite element mesh moves grows continuously. Within evolving mesh, three different zones are defined: shell pure Lagrangian zone, nozzle region Eulerian an intermediate Eulerian–Lagrangian zone. Conservation equations (energy, mass, momentum) solved general arbitrary Lagrangian–Eulerian framework, with level-set formulation track free surface at meniscus. article composed two parts. In part, detailed resolution steps involved coupled approach. second simple verification test case firstly proposed, followed more relevant practical application pilot casting process.