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Author : Jose Mathew
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Finite Element Modeling of Piezoelectric Actuators for Active Flow Control Applications written by Jose Mathew and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jose Mathew
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.3/5 (126 download)
Download or read book Development of Design Tools for Flow-control Actuators written by Jose Mathew and published by . This book was released on 2003 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Quentin Gallas
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (521 download)
Download or read book Lumped Element Modeling of Piezoelectric-driven Synthetic Jet Actuators for Active Flow Control written by Quentin Gallas and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: ABSTRACT: This thesis presents a lumped element model of a piezoelectric-driven synthetic-jet actuator. A synthetic jet, also known as a zero net mass-flux device, uses a vibrating diaphragm to generate an oscillatory flow through a small orifice or slot. In lumped element modeling, the individual components of a synthetic jet are modeled as elements of an equivalent electrical circuit using conjugate power variables. The frequency response function of the circuit is derived to obtain an expression for the volume flow rate through the orifice per applied voltage across the piezoceramic. The circuit is analyzed to provide physical insight into the dependence of the device behavior on geometry and material properties. Methods to estimate the model parameters are discussed along with pertinent model assumptions, and experimental verification is presented of the lumped parameter models. In addition, two prototypical synthetic jet actuators are built and tested. Very good agreement is obtained between the predicted and measured frequency response functions.
Author : Xuegeng Zhu
Publisher :
ISBN 13 :
Total Pages : 260 pages
Book Rating : 4.:/5 (439 download)
Download or read book Placement of Piezoelectric Actuators for Active Control of Vibration Using Modal Parameters written by Xuegeng Zhu and published by . This book was released on 1998 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Barmac K. Taleghani
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.5/5 (41 download)
Download or read book Validation of High Displacement Piezoelectric Actuator Finite Element Models written by Barmac K. Taleghani and published by . This book was released on 2000 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: The paper presents the results obtained by using NASTRAN® and ANSYS® finite element codes to predict doming of the THUNDER piezoelectric actuators during the manufacturing process and subsequent straining due to an applied input voltage. To effectively use such devices in engineering applications, modeling and characterization are essential. Length, width, dome height, and thickness are important parameters for users of such devices. Therefore, finite element models were used to assess the effects of these parameters. NASTRAN® and ANSYS® used different methods for modeling piezoelectric effects. In NASTRAN®, a thermal analogy was used to represent voltage at nodes as equivalent temperatures, while ANSYS® processes the voltage directly using piezoelectric finite elements. The results of finite element models were validated by using the experimental results.
Author : National Aeronautics and Space Adm Nasa
Publisher : Independently Published
ISBN 13 : 9781724026347
Total Pages : 30 pages
Book Rating : 4.0/5 (263 download)
Download or read book Validation of High Displacement Piezoelectric Actuator Finite Element Models written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-09-25 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: The paper presents the results obtained by using NASTRAN(Registered Trademark) and ANSYS(Regitered Trademark) finite element codes to predict doming of the THUNDER piezoelectric actuators during the manufacturing process and subsequent straining due to an applied input voltage. To effectively use such devices in engineering applications, modeling and characterization are essential. Length, width, dome height, and thickness are important parameters for users of such devices. Therefore, finite element models were used to assess the effects of these parameters. NASTRAN(Registered Trademark) and ANSYS(Registered Trademark) used different methods for modeling piezoelectric effects. In NASTRAN(Registered Trademark), a thermal analogy was used to represent voltage at nodes as equivalent temperatures, while ANSYS(Registered Trademark) processed the voltage directly using piezoelectric finite elements. The results of finite element models were validated by using the experimental results. Taleghani, B. K. Langley Research Center NASA/TM-2000-210309, NAS 1.15:210309, ARL-TR-2253, L-17999
Author : National Aeronautics and Space Adm Nasa
Publisher : Independently Published
ISBN 13 : 9781724004758
Total Pages : 34 pages
Book Rating : 4.0/5 (47 download)
Download or read book Non-Linear Finite Element Modeling of Thunder Piezoelectric Actuators written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-09-25 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: A NASTRAN non-linear finite element model has been developed for predicting the dome heights of THUNDER (THin Layer UNimorph Ferroelectric DrivER) piezoelectric actuators. To analytically validate the finite element model, a comparison was made with a non-linear plate solution using Von Karmen's approximation. A 500 volt input was used to examine the actuator deformation. The NASTRAN finite element model was also compared with experimental results. Four groups of specimens were fabricated and tested. Four different input voltages, which included 120, 160, 200, and 240 Vp-p with a 0 volts offset, were used for this comparison. Taleghani, Barmac K. and Campbell, Joel F. Langley Research Center NASA/TM-1999-209322, L-17834, NAS 1.15:209322, ARL-TR-1977
Author : Hu Huang
Publisher : BoD – Books on Demand
ISBN 13 : 1839688319
Total Pages : 186 pages
Book Rating : 4.8/5 (396 download)
Download or read book Piezoelectric Actuators written by Hu Huang and published by BoD – Books on Demand. This book was released on 2021-12-08 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Taking advantage of high resolution, rapid response, and compact structure, piezoelectric actuators are widely employed for achieving precision positioning in both scientific research and industrial application. With the development of science and technology, the requirements for precision positioning are increasing. Accordingly, great efforts have been made to improve the performances of piezoelectric actuators, and significant progress has been achieved. This book discusses some recent achievements and developments of piezoelectric actuators, in terms of piezoelectric material, driving principle, structural design, modeling, and control, as well as applications.
Author : Barmac K. Taleghani
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (317 download)
Download or read book Non-linear Finite Element Modeling of THUNDER Piezoelectric Actuators written by Barmac K. Taleghani and published by . This book was released on 1999 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: A NASTRAN non-linear finite element model has been developed for predicting the dome heights of THUNDER (THin Layer UNimorph Ferroelectric DrivER) piezoceramic actuators. To analytically validate the finite element model, a comparison was made with a non-linear plate solution using Von Karmen's approximation. A 500 volt input was used to examine the actuator deformation. The NASTRAN finite element model was also compared with experimental results. Four groups of specimens were fabricated and tested. Four different input voltages, which included 120, 160, 200, and 240 Vp-p with a 0 volts offset, were used for this comparison.
Author : Shawn D. Morgenstern
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (768 download)
Download or read book Alleviation of Buffet-induced Vibration Using Piezoelectric Actuators written by Shawn D. Morgenstern and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : American Institute of Aeronautics and Astronautics
Publisher :
ISBN 13 :
Total Pages : 960 pages
Book Rating : 4.F/5 ( download)
Download or read book AIAA Journal written by American Institute of Aeronautics and Astronautics and published by . This book was released on 2007 with total page 960 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 546 pages
Book Rating : 4.0/5 ( download)
Download or read book 02-3155 - 02-3346 written by and published by . This book was released on 2002 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Manfred Kaltenbacher
Publisher : Springer
ISBN 13 : 3642401708
Total Pages : 600 pages
Book Rating : 4.6/5 (424 download)
Download or read book Numerical Simulation of Mechatronic Sensors and Actuators written by Manfred Kaltenbacher and published by Springer. This book was released on 2015-02-07 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt: Like the previous editions also the third edition of this book combines the detailed physical modeling of mechatronic systems and their precise numerical simulation using the Finite Element (FE) method. Thereby, the basic chapter concerning the Finite Element (FE) method is enhanced, provides now also a description of higher order finite elements (both for nodal and edge finite elements) and a detailed discussion of non-conforming mesh techniques. The author enhances and improves many discussions on principles and methods. In particular, more emphasis is put on the description of single fields by adding the flow field. Corresponding to these field, the book is augmented with the new chapter about coupled flow-structural mechanical systems. Thereby, the discussion of computational aeroacoustics is extended towards perturbation approaches, which allows a decomposition of flow and acoustic quantities within the flow region. Last but not least, applications are updated and restructured so that the book meets modern demands.
Author : Inamuddin
Publisher : John Wiley & Sons
ISBN 13 : 1119661145
Total Pages : 272 pages
Book Rating : 4.1/5 (196 download)
Download or read book Actuators and Their Applications written by Inamuddin and published by John Wiley & Sons. This book was released on 2020-06-03 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: As demand has increased for new types of equipment that are more suited to the ever-evolving world of industry, demand for both new and traditional types of actuators has soared. From automotive and aeronautical to biomedical and robotics, engineers are constantly developing actuating devices that are adapted to their particular needs in their particular field, and actuators are used in almost every field of engineering that there is. This volume not only lays out the fundamentals of actuators, such as how they operate, the different kinds, and their various applications, but it also informs the engineer or student about the new actuators that are being developed and the state-of-the-art of actuators. Edited and written by highly experienced and well-respected engineers with a deep understanding of their subject, there is no other volume on actuators that is more current or comprehensive. Whether as a guide for the latest innovations in actuators, a refresher reference work for the veteran engineer, or an introductory text for the engineering student, this is a must-have for any engineer’s or university’s library. Covering the theory and the practical applications, this breakthrough volume is a “one stop shop” for any engineer or student interested in actuators.
Author : Varun Vyas
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (898 download)
Download or read book Nonlinear Geometric Response of Structure with Piezoelectric Actuator by Reduced Order Modeling Using a Temperature Analogy written by Varun Vyas and published by . This book was released on 2014 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: The focus of this investigation is on the formulation and a validation of reduced order models (ROMs) for the prediction of the response of structures with embedded piezoelectric actuators. The ROMs considered here are those constructed in a nonintrusive manner from a commercial finite element software, NASTRAN is adopted here. Notwithstanding the popularity of piezoelectric materials in structural dynamics related applications such as structural health monitoring and energy harvesting, not all commercial finite element software allow directly their modeling. In such cases, e.g., with NASTRAN, one can proceed with an analogy and replace the electric actuation in the piezoelectric material by a fictitious thermal effect producing the same strain. This process recasts the determination of a ROM for a structure with embedded piezoelectric actuator into a similar ROM but for a heated structure, the framework of which has recently been developed. Yet, the temperature field resulting from the analogy would be quite different from the one considered in past effort and would excite a broad array of structural modes. Accordingly, as a preamble to considering a beam with a piezoelectric layer, a simpler plate model is considered that is subjected to a uniform temperature but a complex pressure loading that excites the entire set of modes of the plate in the broad frequency band considered. The very good match of the predictions obtained by this ROM in comparison to their full finite element counterparts provides the necessary confidence to next address a beam with embedded piezoelectic actuator. The test model considered for this validation is a built-up nano beam analyzed recently in nonlinear geometric conditions by full finite elements and by a non-intrusive ROM procedure under harmonic variations of the piezoelectic voltage. This structural model and its loading conditions are very different from those considered in past applications of nonintrusive ROMs, thus the excellent results obtained here provide further support of the broad generality of the nonintrusive ROM methodology, including of the appropriateness of the "dual modes" basis functions.
Author : Seung-Bok Choi
Publisher : CRC Press
ISBN 13 : 9781439818091
Total Pages : 280 pages
Book Rating : 4.8/5 (18 download)
Download or read book Piezoelectric Actuators written by Seung-Bok Choi and published by CRC Press. This book was released on 2016-04-19 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Currently, many smart materials exhibit one or multifunctional capabilities that are being effectively exploited in various engineering applications, but these are only a hint of what is possible. Newer classes of smart materials are beginning to display the capacity for self-repair, self-diagnosis, self-multiplication, and self-degradation. Ultimately, what will make them practical and commercially viable are control devices that provide sufficient speed and sensitivity. While there are other candidates, piezoelectric actuators and sensors are proving to be the best choice. Piezoelectric Actuators: Control Applications of Smart Materials details the authors’ cutting-edge research and development in this burgeoning area. It presents their insights into optimal control strategies, reflecting their latest collection of refereed international papers written for a number of prestigious journals. Piezoelectric materials are incorporated in devices used to control vibration in flexible structures. Applications include beams, plates, and shells; sensors and actuators for cabin noise control; and position controllers for structural systems such as the flexible manipulator, engine mount, ski, snowboard, robot gripper, ultrasonic motors, and various type of sensors including accelerometer, strain gage, and sound pressure gages. The contents and design of this book make it useful as a professional reference for scientists and practical engineers who would like to create new machines or devices featuring smart material actuators and sensors integrated with piezoelectric materials. With that goal in mind, this book: Describes the piezoelectric effect from a microscopic point of view Addresses vibration control for flexible structures and other methods that use active mount Covers control of flexible robotic manipulators Discusses application to fine-motion and hydraulic control systems Explores piezoelectric shunt technology This book is exceptionally valuable as a reference for professional engineers working at the forefront of numerous industries. With its balanced presentation of theory and application, it will also be of special interest to graduate students studying control methodology.
Author :
Publisher : Allied Publishers
ISBN 13 : 9788170239581
Total Pages : 762 pages
Book Rating : 4.2/5 (395 download)
Download or read book Proceedings of the International Conference on Smart Materials, Structures and Systems written by and published by Allied Publishers. This book was released on 1999 with total page 762 pages. Available in PDF, EPUB and Kindle. Book excerpt:
