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Finite element method (FEM) and impulse response method (IRM) analysis of circular ultrasonic transducers

open access: yesArchives of Acoustics, 2014
Circular transducers with axially-symmetric vibrational profiles were considered. Vibrational patterns of transducer structures were calculated using the Finite Element Method.
P. KIEŁCZYŃSKI
doaj  

A decentralized linear quadratic control design method for flexible structures [PDF]

open access: yes
A decentralized suboptimal linear quadratic control design procedure which combines substructural synthesis, model reduction, decentralized control design, subcontroller synthesis, and controller reduction is proposed for the design of reduced-order ...
Craig, Roy R., Jr., Su, Tzu-Jeng
core   +1 more source

From the help desk: Polynomial distributed lag models [PDF]

open access: yes
Polynomial distributed lag models (PDLs) are finite-order distributed lag models with the impulse-response function constrained to lie on a polynomial of known degree.
Allen McDowell
core   +1 more source

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