Atwo-dimensionalinviscidpotentialmodelwithvorticityreleasehasbeendevelopedinordertoinvestigatetheselfpropelled swimming of undulating bodies. The body is free to move not only in the forward and lateral directions, but it can also rotate around its center of mass, according to the forces and moments induced by the flowfield generated by its own prescribed undulation. The numerical model is based on an unsteady potential panel code for deformable airfoil. The vortex shedding process is modeled by an unsteady Kutta condition. The model is able to predict the full kinematics of the undulating airfoil by expressing forces and moments in terms of hydrodynamic impulse.
AN INVISCID MODEL FOR SELF PROPELLED SWIMMING OF UNDULATING BODIES / Paniccia, Damiano; Graziani, Giorgio; Lugni, Claudio; Piva, Renzo. - (2021). (Intervento presentato al convegno 25th International Congress of Theoretical and Applied Mechanics tenutosi a Milano; Italy).
AN INVISCID MODEL FOR SELF PROPELLED SWIMMING OF UNDULATING BODIES
Damiano Paniccia
Primo
;Giorgio Graziani;Renzo Piva
2021
Abstract
Atwo-dimensionalinviscidpotentialmodelwithvorticityreleasehasbeendevelopedinordertoinvestigatetheselfpropelled swimming of undulating bodies. The body is free to move not only in the forward and lateral directions, but it can also rotate around its center of mass, according to the forces and moments induced by the flowfield generated by its own prescribed undulation. The numerical model is based on an unsteady potential panel code for deformable airfoil. The vortex shedding process is modeled by an unsteady Kutta condition. The model is able to predict the full kinematics of the undulating airfoil by expressing forces and moments in terms of hydrodynamic impulse.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
