Smart structures and materials 1994. Passive damping [electronic resource] : 14-16 February 1994, Orlando, Florida / Conor D. Johnson, chair/editor ; sponsored by SPIE--the International Society for Optical Engineering, Society for Experimental Mechanics, Inc. ; co-sponsored by American Society of Mechanical Engineers, Society for Industrial and Applied Mathematics, Materials Research Society in cooperation with IEEE/Control Systems Society, the American Physical Society, Division of Materials Physics, the Ceramic Society of Japan