An accurate cartesian method is devised to simulate incompressible viscous flows past an arbitrary moving body.The Navier-Stokes equations are spatially discretized onto a fixed Cartesian mesh.The body is taken into a...An accurate cartesian method is devised to simulate incompressible viscous flows past an arbitrary moving body.The Navier-Stokes equations are spatially discretized onto a fixed Cartesian mesh.The body is taken into account via the ghost-cell method and the so-called penalty method,resulting in second-order accuracy in velocity.The accuracy and the efficiency of the solver are tested through two-dimensional reference simulations.To show the versatility of this scheme we simulate a threedimensional self propelled jellyfish prototype.展开更多
基金supported by French National Research Agency(ANR)through COSINUS program(project CARPEINTER nANR-08-COSI-002).
文摘An accurate cartesian method is devised to simulate incompressible viscous flows past an arbitrary moving body.The Navier-Stokes equations are spatially discretized onto a fixed Cartesian mesh.The body is taken into account via the ghost-cell method and the so-called penalty method,resulting in second-order accuracy in velocity.The accuracy and the efficiency of the solver are tested through two-dimensional reference simulations.To show the versatility of this scheme we simulate a threedimensional self propelled jellyfish prototype.
