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Piezoelectric Devices

Development of improved ultrasonic transducers for medical surgery

D.R. Andrews¹
¹Cambridge Ultrasonics Ltd

Finite element modelling of surgical transducers has been performed and is described. Ultrasonic ... 扩展阅读

Simulation and comparison of a band gap metamaterial using a relaxed micromorphic model

F. Demore¹, M. Collet¹, A. Madeo², L. Jézéquel¹
¹LTDS, Ecole Centrale de Lyon, Ecully, France
²GEOMAS, INSA-Lyon, Villeurbanne, France

We present here an architectured band-gap metamaterial, filtering mechanical waves in specific ranges of ... 扩展阅读

3D Thermo-Acoustic Modeling of a Piezo Transducer for Directed Interstitial Ultrasound Ablation

K. Y. Gandomi¹, Z. Zhao¹, P. A. Carvalho¹, C. J. Nycz¹, G. S. Fischer¹, E. C. Burdette²
¹Worcester Polytechnic Institute, Worcester, MA
²Acoustic Medsystems Inc., Savoy, IL, USA

Thermal ablation is a treatment option in oncology that can be used to target primary and metastatic cancers. ... 扩展阅读

Simulation of a Piezoelectric Catheter-Based Acoustic Ablation Device

M. Gobran¹, N.Elabbasi², J. Ransley²
¹Worcester Polytechnic Institute, Worcester, MA, USA
²Veryst Engineering LLC., Needham, MA, USA

Thermal ablation driven by an acoustic heat source has tremendous potential for the treatment of diseased ... 扩展阅读

Optimization of Piezoelectric-Triboelectric Hybrid Generator Design

M. Padmanabhan¹, G. Barbosa¹
¹Rhode Island College, Providence, RI, USA

Devices which scavenge energy from ambient mechanical sources such as human body movement and ocean waves are ... 扩展阅读

Lithium Niobate SAW devices for Multi-parameter Sensing : Modeling and Simulation Studies Using COMSOL Multiphysics®

R. Srivastava[1], S. Kale[1]
[1]Defence Institute Of Advanced Technology, India

Surface Acoustic Wave devices are classic examples of Micro Electro Mechanical Systems (MEMS). These devices ... 扩展阅读

MEMS-based Reconfigurable Energy harvesting Device Using the Couple Cantilevers

A. A.L.G.N.[1], E. Rufus[1]
[1]VIT, India

Energy Harvesting methods are the most important area of Research since last decade, to bring forward the ... 扩展阅读

Modeling of PZT Slab for Generating Symmetric and Uniform Axial Strain Distribution

J. Thomas[1], N. Jose[2], P. T. V.[2], R. R.[2]
[1]Govt. Model Engineering College, Thrikkakara, India
[2]Navel Physical Oceanographic Laboratory, India

Piezoceramic crystals have broad application from simple strain measurement on cantilever beams, energy ... 扩展阅读

Simulation of an Adaptive Fluid-Membrane Piezoelectric Lens

H. Bettaswamy[1], U. Wallrabe[1]
[1]IMTEK, University of Freiburg, Germany

The expression <em>adaptive optics</em> was initially termed for the technology used in the ... 扩展阅读

Characterization of Magnetoelectrically Driven Catalytic Reactions by COMSOL Multiphysics® Parametric Studies

H. Torlakcik[1], F. Mushtaq[1], X. Chen[1], B. Nelson[1], S. Pané[1]
[1]ETH Zurich, Switzerland

In heterogeneous catalysis, magnetic nanostructures have been mainly used as magnetically recoverable ... 扩展阅读

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