[PDF][PDF] Finite element modelling of piezoelectric active structures

V Piefort - 2001 - academia.edu
Chapter 1 (Introduction) is an introduction to piezoelectric materials. It contains an historicaJ
OverView of piezoelectricity, some general considérations for a better understanding of …

Hybrid finite element models for piezoelectric materials

KY Sze, YS Pan - Journal of Sound and Vibration, 1999 - Elsevier
In this paper, hybrid variational principles are employed for piezoelectric finite element
formulation. Starting from eight-node hexahedral elements with displacement and electric …

Topology optimization of piezoelectric bi-material actuators with velocity feedback control

M Moretti, ECN Silva - Frontiers of Mechanical Engineering, 2019 - Springer
In recent years, the new technologies and discoveries on manufacturing materials have
encouraged researchers to investigate the appearance of material properties that are not …

Topology optimization of flextensional piezoelectric actuators with active control law

M Moretti, ECN Silva, JN Reddy - Smart Materials and Structures, 2019 - iopscience.iop.org
This work deals with the concept o topology optimization method applied to the design of a
flextensional piezoelectric actuator (FPEA) targeting vibration attenuation of its dynamic …

Stabilized plane and axisymmetric piezoelectric finite element models

KY Sze, XM Yang, LQ Yao - Finite Elements in Analysis and Design, 2004 - Elsevier
This paper derives a four-node plane, a nine-node plane and a four-node axisymmetric
stabilized elements for piezoelectric analysis. All elements are formulated by a stabilization …

Elastic wave generation by piezoceramic patches

MA Moetakef, SP Joshi, KL Lawrence - AIAA journal, 1996 - arc.aiaa.org
Elastic flexural and longitudinal waves can be generated in structure by using piezoelectric
transducers. These waves may be used to obtain fundamental properties of the medium or …

Dynamic and contact analysis of a bimodal ultrasonic motor

RF Fung, CM Yao, DG Chang - IEEE transactions on ultrasonics …, 1999 - ieeexplore.ieee.org
A bimodal ultrasonic motor, which operates with only one power amplifier, uses two
simultaneously excited modes to drive the rotor; a longitudinal mode and a flexural mode …

Improving mass matrix and inverse mass matrix computations of hexahedral elements

E Hanukah, S Givli - Finite Elements in Analysis and Design, 2018 - Elsevier
We employ a semi-analytical approach to derive new practical schemes for mass matrix
computation of 8-node and 20-node hexahedral elements. The new schemes offer accuracy …

A new approach to reduce the number of integration points in mass-matrix computations

E Hanukah, S Givli - Finite Elements in Analysis and Design, 2016 - Elsevier
We present a new approach to compute the mass matrix of solid finite elements which
allows a significant reduction in the number of integration points. The method is based on …

随机参数智能梁结构闭环控制系统动力响应分析

王敏娟, 陈建军 - 工程力学, 2011 - engineeringmechanics.cn
针对随机智能梁结构参数的不确定性建立了其闭环控制动力响应随机模型. 从结构动力响应的
Duhamel 积分出发, 利用求解随机变量函数矩法导出了在三种情况下横向位移 …