@conference {Drela_2019_hybrid_shell_model, title = {Hybrid shell model for aeroelastic modeling}, booktitle = {AIAA conference paper}, number = {2019{\textendash}2227}, year = {2019}, type = {AIAA Paper}, doi = {10.2514/6.2019-2227}, author = {Mark Drela and Marshall Galbraith and Robert Haimes and Steven R. Allmaras and David L. Darmofal} }