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Keywords: modal analysisClose
Christopher M. Dumm, Anna C. Hiers, David B. Maupin, Marianne E. Cites, George E. Klinzing, Carey D. Balaban, Jeffrey S. Vipperman
Proc. ASME. IMECE2021, Volume 1: Acoustics, Vibration, and Phononics, V001T01A003, November 1–5, 2021
Paper No: IMECE2021-70038
... experience high-amplitude vibrations in response to ultrasonic excitation. These methods and results are useful for assessing how a wide variety of devices, including communications equipment, might produce biological effects. ultrasound modal analysis finite element model Proceedings of the ASME...
Proc. ASME. IMECE2021, Volume 1: Acoustics, Vibration, and Phononics, V001T01A036, November 1–5, 2021
Paper No: IMECE2021-68378
.... The fusion of AMD and modal analysis adds adaptivity and flexibility into data processing and helps automate the modal analysis process. The comparative study will provide insights on the advantages and disadvantages of the AMD methods as to the application of modal analysis. In this comparative study...
Proc. ASME. IMECE2021, Volume 1: Acoustics, Vibration, and Phononics, V001T01A038, November 1–5, 2021
Paper No: IMECE2021-68740
... the proposed method. modal analysis structural dynamics structural health monitoring Proceedings of the ASME 2021 International Mechanical Engineering Congress and Exposition IMECE2021 November 1-5, 2021, Virtual, Online IMECE2021-68740 OUTPUT-ONLY STRUCTURAL SYSTEM IDENTIFICATION BASED...
Proc. ASME. IMECE2021, Volume 13: Safety Engineering, Risk, and Reliability Analysis; Research Posters, V013T15A001, November 1–5, 2021
Paper No: IMECE2021-72041
.... As an initial step, the vibrational acceleration of the seat was measured and its modal analysis was performed. We measured 22 points and 10 points of vibrational acceleration in three directions (vertical, longitudinal, and lateral) of the seat and its occupant, respectively, in a commercial vehicle. We...
Proc. ASME. IMECE2021, Volume 5: Biomedical and Biotechnology, V005T05A079, November 1–5, 2021
Paper No: IMECE2021-71315
... against those obtained from time transient finite element simulations that leverage geometric models reconstructed from microcomputed tomographic scans. guided waves transcranial ultrasound parameter identification modal analysis vibration Proceedings of the ASME 2021 International Mechanical...
Proc. ASME. IMECE2020, Volume 1: Acoustics, Vibration, and Phononics, V001T01A008, November 16–19, 2020
Paper No: IMECE2020-24213
... ultrasound modal analysis finite element model heterodyne ULTRASONIC ACOUSTIC HETERODYNE TRANSMISSION INTO THE HUMAN AUDITORY AND VESTIBULAR SYSTEMS Christopher M. Dumm1, Anna C. Hiers1, Jeffrey S. Vipperman1,2, George E. Klinzing3, Carey D. Balaban4 University of Pittsburgh Pittsburgh, PA ABSTRACT...
Proc. ASME. IMECE2019, Volume 4: Dynamics, Vibration, and Control, V004T05A052, November 11–14, 2019
Paper No: IMECE2019-12198
... is considered for the Finite element study to reduce the analysis time. Modal analysis is performed to extract the fundamental frequencies. A sufficient number of modes are extracted to capture at least 80 percent of total mass in each direction. Then, a harmonic analysis is performed by introducing a periodic...
Proc. ASME. IMECE2011, Volume 7: Dynamic Systems and Control; Mechatronics and Intelligent Machines, Parts A and B, 975-984, November 11–17, 2011
Paper No: IMECE2011-63965
... such as quality control on production lines and monitoring of deposit buildup in pipes. design of experiments response surface modeling regression modeling modal analysis damage detection condition monitoring A DESIGN OF EXPERIMENTS APPROACH TO IDENTIFYING DAMAGE IN STRUCTURES USING MODAL FREQUENCY...
Proc. ASME. IMECE2010, Volume 3: Design and Manufacturing, Parts A and B, 947-953, November 12–18, 2010
Paper No: IMECE2010-38632
... the operating deflection shape method. In this paper, vibration characteristics of the in the boring bar is obtained by both modal analysis and operating deflection shape methods and the results are compared. The results show that differences exist between the two conditions that can be small or large...
Proc. ASME. IMECE2008, Volume 14: New Developments in Simulation Methods and Software for Engineering Applications, 21-25, October 31–November 6, 2008
Paper No: IMECE2008-66284
... are designed for pecial problems so that they could substitute a huge number of onventional elements in modeling and analysis. In this study a ew cylindrical superelement is incorporated to model the unctionally graded cylinders, and modal analysis is performed. he advantage of this cylindrical superelement...
Proc. ASME. IMECE2007, Volume 1: Advances in Aerospace Technology, 211-220, November 11–15, 2007
Paper No: IMECE2007-41378
... to search a joint design satisfying maximum natural frequency and minimum modal strain energy conditions for each natural bending frequency and mode shape. Adhesive Single lap joint Composite Modal analysis Natural frequency Finite element method Genetic Algorithm Artificial Neural Network...
Proc. ASME. IMECE2007, Volume 9: Mechanical Systems and Control, Parts A, B, and C, 53-58, November 11–15, 2007
Paper No: IMECE2007-41968
..., such as acoustic noises. In order to prevent these disturbances and decrease environmental noise pollutions, it is very necessary to study them carefully. To reach this purpose in this work first, radial loads of the SRM are investigated and then modal analysis is performed to obtain natural frequencies and mode...
Proc. ASME. IMECE2003, Design Engineering, Volumes 1 and 2, 1085-1089, November 15–21, 2003
Paper No: IMECE2003-43790
... Engineering Congress Washington, D.C., November 15 21, 2003 1 Copyright © 2003 by ASME developed. In this paper, a theoretical model, using classical modal analysis methodology, is presented. The flexible beam is modeled in a standard way and the hydraulic servo drive is modeled as a boundary condition. Only...
Proc. ASME. IMECE2003, Aerospace, 281-287, November 15–21, 2003
Paper No: IMECE2003-43165
... vibration absorber for passive vibration control of a cantilever composite plate is investigated. Finite element piezoelectric modal analysis is performed. Models based on placing piezoelectric vibration absorbers at five different locations on the surface of the plate and incorporating piezoelectric...
Proc. ASME. IMECE2004, Dynamic Systems and Control, Parts A and B, 671-677, November 13–19, 2004
Paper No: IMECE2004-60113
... testing), the damped natural frequencies and mode shapes of the self-rigidizing torus can be discerned in the frequencies and mode shapes of the self-rigidizing torus can be discerned in the frequency bandwidth of interest, 1–12 Hz. Modal Analysis Self-Rigidizing Torus Inflatable Mode Shapes...
Proc. ASME. IMECE2004, Aerospace, 207-214, November 13–19, 2004
Paper No: IMECE2004-61560
.... Amplitude reduction around 30% and 25% and Q- factor reduction up to 15% and 10% are obtained in the bending and torsion modes, respectively. In addition, some amount of damping is observed at higher modes as well. Keywords: Piezoelectric, Modal analysis, Non-Linear, Damping, Shunt circuit Bicos [2...
Proc. ASME. IMECE2004, Applied Mechanics, 169-174, November 13–19, 2004
Paper No: IMECE2004-60777
... 28 03 2008 This paper presents a procedure to derive reduced-order nonlinear modal equations of circular cylindrical shells. Modal analysis is applied to the nonlinear finite element equation by using base vectors obtained by the finite element analysis. Reduced-order modal equations...
Proc. ASME. IMECE2005, Design Engineering, Parts A and B, 1157-1160, November 5–11, 2005
Paper No: IMECE2005-82252
..., the mechanical properties of the material were estimated. Using these properties it is possible to numerically estimate the dynamic behavior of the plate for additional sets of boundary conditions. composite plates finite element model modal analysis Gibson, R.F., 1994, Principles of composite...
Proc. ASME. IMECE2006, Dynamic Systems and Control, Parts A and B, 1065-1072, November 5–10, 2006
Paper No: IMECE2006-14097
... specifically, modal analysis can be used for the analysis and controller design of dynamic systems, where reduction of model complexity without degrading the accuracy is often required for the efficient use of the model. The reduction of modal models has been extensively studied and many reduction techniques...