Optimal sensor placement for state estimation of flexible shell structures. 2011 International Conference on Fluid Power and Mechatronics (FPM), August 17-20, 2011, Beijing, China, 374--380, 2011. [PUMA: (structures), actuators, analysis, annealing damping, element equations, finite flexible mathematical model, observability, optimization, placement, sensor shells simulated sobek strain, structures,]