TY - JOUR AU - Ravindran, Sivaguru S. TI - Finite element approximation of Dirichlet control using boundary penalty method for unsteady Navier–Stokes equations JO - ESAIM: Mathematical Modelling and Numerical Analysis PY - 2017 SP - 825 EP - 849 VL - 51 IS - 3 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/m2an/2016040/ DO - 10.1051/m2an/2016040 LA - en ID - M2AN_2017__51_3_825_0 ER -