We determine the parametric hull of a given volume which minimizes the total water resistance for a given speed of the ship. The total resistance is the sum of Michell’s wave resistance and of the viscous resistance, approximated by assuming a constant viscous drag coefficient. We prove that the optimized hull exists, is unique, symmetric, smooth and that it depends continuously on the speed. Numerical simulations show the efficiency of the approach, and complete the theoretical results.
DOI : 10.1051/cocv/2014067
Mots-clés : Quadratic programming, obstacle problem, Sobolev space, Uzawa algorithm, parametric shape optimization
@article{COCV_2016__22_1_88_0, author = {Dambrine, Julien and Pierre, Morgan and Rousseaux, Germain}, title = {A theoretical and numerical determination of optimal ship forms based on {Michell{\textquoteright}s} wave resistance}, journal = {ESAIM: Control, Optimisation and Calculus of Variations}, pages = {88--111}, publisher = {EDP-Sciences}, volume = {22}, number = {1}, year = {2016}, doi = {10.1051/cocv/2014067}, zbl = {1335.49071}, language = {en}, url = {http://www.numdam.org/articles/10.1051/cocv/2014067/} }
TY - JOUR AU - Dambrine, Julien AU - Pierre, Morgan AU - Rousseaux, Germain TI - A theoretical and numerical determination of optimal ship forms based on Michell’s wave resistance JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2016 SP - 88 EP - 111 VL - 22 IS - 1 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/cocv/2014067/ DO - 10.1051/cocv/2014067 LA - en ID - COCV_2016__22_1_88_0 ER -
%0 Journal Article %A Dambrine, Julien %A Pierre, Morgan %A Rousseaux, Germain %T A theoretical and numerical determination of optimal ship forms based on Michell’s wave resistance %J ESAIM: Control, Optimisation and Calculus of Variations %D 2016 %P 88-111 %V 22 %N 1 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/cocv/2014067/ %R 10.1051/cocv/2014067 %G en %F COCV_2016__22_1_88_0
Dambrine, Julien; Pierre, Morgan; Rousseaux, Germain. A theoretical and numerical determination of optimal ship forms based on Michell’s wave resistance. ESAIM: Control, Optimisation and Calculus of Variations, Tome 22 (2016) no. 1, pp. 88-111. doi : 10.1051/cocv/2014067. http://www.numdam.org/articles/10.1051/cocv/2014067/
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