An Electro-mechanically Coupled Smart Beam Modeling Methodology

The present research develops a one dimensional
model for an electro-mechanical slender structure by
application of Variational Asymptotic Method. An
electro-mechanical generalized cross-sectional model
for beam like slender structure has been derived by a
two-step procedure of dimensional reduction. First,
the 3D governing variational statement for
electro-mechanical system has been
approximated asymptotically, followed by a
cross-sectional minimization on the approximated
functional. Depending on the type of
electrode arrangements, the whole problem has been
classified into two separate categories:
Axial-Problem and Radial-Problem. Axial problem
contains an extra 1D electrical degree of freedom
along with the six conventional mechanical degrees of
freedom commonly considered in Timoshenko like
modeling. Radial problem contains only mechanical
degrees of freedom in its 1D representation.

Autorentext

Dr. Sitikantha Roy did his PhD from the mechanical and aerospaceengineering department of Utah State University, USA. Hesubsequently joined the mechanical engineering department ofUniversity of Colorado, Boulder as a post doctoral fellow. He isa specialist in the field of smart structure and smartmaterial,helicopter rotor technology.

Klappentext

The present research develops a one dimensionalmodel for an electro-mechanical slender structure byapplication of Variational Asymptotic Method. Anelectro-mechanical generalized cross-sectional modelfor beam like slender structure has been derived by atwo-step procedure of dimensional reduction. First,the 3D governing variational statement forelectro-mechanical system has beenapproximated asymptotically, followed by across-sectional minimization on the approximatedfunctional. Depending on the type ofelectrode arrangements, the whole problem has beenclassified into two separate categories:Axial-Problem and Radial-Problem. Axial problemcontains an extra 1D electrical degree of freedomalong with the six conventional mechanical degrees offreedom commonly considered in Timoshenko likemodeling. Radial problem contains only mechanicaldegrees of freedom in its 1D representation.