Hydromechanics of a stirred tank generated by a classical anchor and an anchor blade are numerically simulated. The numerical results gives good prediction of the hydrodynamics such as the velocity field, the turbulent kinetic energy and its dissipation rate. These results are obtained by the computational fluid dynamics (CFD) code. The mechanical deformation of these anchors is calculated by the computational structural dynamics (CSD) code. The deformed shape of the anchor blade has been found in turbulent flow. However, the anchor blade has not been affected by this flow. Predictions of the numerical results have been compared with literature data and a satisfactory agreement has been found.