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Micromechatronics Inc finite element analysis software atila fea
( a ) <t>Finite</t> <t>element</t> model for the numerical <t>analysis</t> of the investigated piezoelectric speaker, and ( b ) the calculated frequency response characteristics of the acoustic diaphragms of the piezoelectric speaker.
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Article Title: Piezoelectric Ceramics with High d 33 Constants and Their Application to Film Speakers

Journal: Materials

doi: 10.3390/ma14195795

( a ) Finite element model for the numerical analysis of the investigated piezoelectric speaker, and ( b ) the calculated frequency response characteristics of the acoustic diaphragms of the piezoelectric speaker.
Figure Legend Snippet: ( a ) Finite element model for the numerical analysis of the investigated piezoelectric speaker, and ( b ) the calculated frequency response characteristics of the acoustic diaphragms of the piezoelectric speaker.

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Article Title: Energy Flow Analysis in Piezoelectric Energy Harvesting Systems
Article Snippet: Energy Flow Analysis in Piezoelectric Energy Harvesting Systems Kenji Uchino a b & Takaaki Ishii c a International Center for Actuators and Transducers, Materials Research Institute , The Pennsylvania State University , University Park, PA, 16802, USA b Office of Naval Research, ONR Global-Asia , Roppongi, Minao-Ku, Tokyo, Japan c Department of Research Interdisciplinary, Graduate School of Medicine and Engineering Information System Engineering , University of Yamanashi , 4-4-37 Takeda, Kofu-Shi, Yamanashi, 400-8510, Japan Published online: 20 Nov 2010.

Article Title: Single crystal piezoelectric motor operating with both inertia and ultrasonic resonance drives.
Article Snippet: This study presents a novel piezoelectric motor based on a single crystal material with orthorhombic mm2 symmetry class, in which piezoelectric coupling coefficients in sign and magnitude at transverse directions are different, implying that the value of d32 is positive whilst d31 is negative.. The single crystal piezoceramic plate in the shape of a truncated rhombus has three conducting electrodes.. While two active electrodes dividing one main surface into two equal sections, the common electrode covers the other main surface uniformly.

Article Title: Fabrication and properties of radially 〈001〉C textured PMN-PT cylinders for transducer applications
Article Snippet: Fabrication and properties of radially #001#C textured PMN-PT cylinders for transducer applications Stephen F. Poterala, Richard J. Meyer Jr., and Gary L. Messing Citation: Journal of Applied Physics 112, 014105 (2012); doi: 10.1063/1.4730938 View online: http://dx.doi.org/10.1063/1.4730938 View Table of Contents: http://aip.scitation.org/toc/jap/112/1 Published by the American Institute of Physics Articles you may be interested in Processing, texture quality, and piezoelectric properties of <001>C textured (1-x)Pb(Mg1/3Nb2/3)TiO3 - xPbTiO3 ceramics Journal of Applied Physics 110, 014105014105 (2011); 10.1063/1.3603045 Fabrication and properties of radially h001iC textured PMN-PT cylinders for transducer applications Stephen F. Poterala,1 Richard J. Meyer, Jr.,2 and Gary L. Messing1 1Department of Materials Science & Engineering, Pennsylvania State University, University Park, Pennsylvania 16802, USA 2Applied Research Laboratory, Pennsylvania State University, University Park, Pennsylvania 16802, USA (Received 23 March 2012; accepted 26 May 2012; published online 5 July 2012) h001iC Textured PMN-PT ceramics have electromechanical properties (d331⁄4 850–1050 pm/V, k331⁄4 0.79–0.83) between those of conventional PZT ceramics and relaxor PMN-PT crystals.. In this work, we tailor crystallographic orientation in textured PMN-PT ceramics for transducer designs with non-planar poling surfaces.. Specifically, omni-directional cylindrical transducer elements were fabricated using monolithic, radially h001iC textured and poled PMN-PT ceramic.

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Article Title: L-shaped piezoelectric motor-Part I: Design and experimental analysis
Article Snippet: This paper proposes an L-shaped piezoelectric motor consisting of two piezoelectric bimorphs of different lengths arranged perpendicularly to each other.. The coupling of the bending vibration mode of the bimorphs results in an elliptical motion at the tip.. A detailed finite element model was developed to optimize the dimensions of bimorph to achieve an effective coupling at the resonance frequency of 246 Hz.

Article Title: Equivalent circuit and optimum design of a multilayer laminated piezoelectric transformer
Article Snippet: A multilayer laminated piezoelectric Pb(Zr1− xTix)O3 (PZT) ceramic transformer, operating in a halfwavelength longitudinal resonant mode (λ/2 mode), has been analyzed.. This piezoelectric transformer is composed of one thickness-polarized section (T-section) for exciting the longitudinal mechanical vibrations, two longitudinally polarized sections (L-section) for generating high-voltage output, and two insulating layers laminated between the T-section and L-section layers to provide insulation between the input and output sections.. Based on the piezoelectric constitutive and motion equations, an electro-elasto-electric (EEE) equivalent circuit has been developed, and correspondingly, an effective EEE coupling coefficient was proposed for optimum design of this multilayer transformer.

Article Title: Design and Preparation of Self-Oscillating Actuators Using Piezoelectric Ceramics with High Coupling Factors and Mechanical Quality Factors
Article Snippet: .. Then, using a finite element analysis software (ATILA FEA, Micromechatronics, State college, PA, USA), the measured values of the developed piezoelectric materials were examined, and a resonance mode analysis was performed according to the change in the thickness of the piezoelectric ceramics. ..

Article Title: Piezoelectric Ceramics with High d 33 Constants and Their Application to Film Speakers
Article Snippet: .. Device design and analysis were performed using finite element analysis software (ATILA FEA, Micromechatronics, USA) with the properties of the optimized piezoelectric material used as inputs. ..

Article Title: Analytical modeling of k33 mode partial electrode configuration for loss characterization
Article Snippet: In order to solve analytical solutions and generate admittance curves for the k33 mode PE configuration, Wolfram Mathematica software (version 11.1, Wolfram Research, Champaign, IL) was utilized. .. The FEA software package (ATILA++ distributed by Micromechatronics, Inc., State College, PA) was used to validate admittance curves from analytical solutions, which can integrate all kinds of losses, including piezoelectric loss, in the simulation. ..



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Motion characteristics and design optimization of bistable structures. A) Simulation results of the force‐displacement curve and energy landscape of the DCBB. The inset image is the model used for FEA simulation. B) Simulation results of the force‐displacement curve and energy landscape of the VSBB. The inset image is the model used for FEA simulation. C) Geometrical design (left) and 3D‐printed model (right) of a VSBB. D) Force‐displacement test results of VSBBs with the initial inclination angle of 12 (the dashed lines indicate testing performed from SP2). Three identical samples for each geometrical condition are tested. E) Comparison of force‐displacement curves obtained from experiments and theoretical calculations. F) The average displacements from SP1 to the snap‐through point (bottom), the total displacements from SP1 to SP2 (middle), and the displacements from SP2 to the snap‐through point (top) of the bistable structures with different geometrical parameters from force‐displacement tests.

Journal: Advanced Science

Article Title: Programmable Multifunctional Bistable Structures for Energy Transfer and Dissipation

doi: 10.1002/advs.202518883

Figure Lengend Snippet: Motion characteristics and design optimization of bistable structures. A) Simulation results of the force‐displacement curve and energy landscape of the DCBB. The inset image is the model used for FEA simulation. B) Simulation results of the force‐displacement curve and energy landscape of the VSBB. The inset image is the model used for FEA simulation. C) Geometrical design (left) and 3D‐printed model (right) of a VSBB. D) Force‐displacement test results of VSBBs with the initial inclination angle of 12 (the dashed lines indicate testing performed from SP2). Three identical samples for each geometrical condition are tested. E) Comparison of force‐displacement curves obtained from experiments and theoretical calculations. F) The average displacements from SP1 to the snap‐through point (bottom), the total displacements from SP1 to SP2 (middle), and the displacements from SP2 to the snap‐through point (top) of the bistable structures with different geometrical parameters from force‐displacement tests.

Article Snippet: To compare the properties of DCBB and VSBB, we simulated their motion pattern using FEA software ABAQUS (see Supporting Text 1 and Figure , Supporting Information).

Techniques: Comparison