A Complex Power Approach to Characterise Joints in Experimental Dynamic Substructuring
|
|
- Silvia McCarthy
- 6 years ago
- Views:
Transcription
1 A Complex Power Approach to Characterise Joints in Experimental Dynamic Substructuring Emiel Barten
2 A Complex Power Approach to Characterise Joints in Experimental Dynamic Substructuring Experimental Dynamic Substructuring Joints (in Experimental Dynamic Substructuring) Complex Power 2
3 A Complex Power Approach to Characterise Joints in Experimental Dynamic Substructuring Experimental Dynamic Substructuring Joints (in Experimental Dynamic Substructuring) Complex Power 3
4 Experimental Dynamic Substructuring Introduction Virtual Prototyping Exchange between engineering groups Combine numerical and experimental models 4
5 Experimental Dynamic Substructuring Response Functions 5
6 Experimental Dynamic Substructuring Response Functions 6
7 A Complex Power Approach to Characterise Joints in Experimental Dynamic Substructuring Experimental Dynamic Substructuring Joints (in Experimental Dynamic Substructuring) Complex Power 7
8 A Complex Power Approach to Characterise Joints in Experimental Dynamic Substructuring Experimental Dynamic Substructuring Joints (in Experimental Dynamic Substructuring) Complex Power 8
9 Joints In Experimental Dynamic Substructuring 9
10 Joints In Experimental Dynamic Substructuring 10
11 Contents Introduction Experimental Dynamic Substructuring Joints Theory Joints in Dynamic Substructuring Complex Power Test Case Closure 11
12 Joints in Dynamic Substructuring Rigid versus Compliant Connection 12
13 Joints in Dynamic Substructuring Rigid versus Compliant Connection uncoupled response coupled response interface force dynamic interface stiffness 13
14 Joints in Dynamic Substructuring Rigid versus Compliant Connection uncoupled response coupled response interface force dynamic interface stiffness 14
15 Joints in Dynamic Substructuring Summary Rigid Connection Compliant Connection Everything should be made as simple as possible, but not simpler 15
16 A Complex Power Approach to Characterise Joints in Experimental Dynamic Substructuring Experimental Dynamic Substructuring Joints (in Experimental Dynamic Substructuring) Complex Power 16
17 A Complex Power Approach to Characterise Joints in Experimental Dynamic Substructuring Experimental Dynamic Substructuring Joints (in Experimental Dynamic Substructuring) Complex Power 17
18 Complex Power Introduction Power is the rate of energy change Instantaneous Used as a tool to determine the interface damping 18
19 Complex Power Excitation Power versus Interface Power Excitation Power Interface Power 19
20 Complex Power Exchange Power versus Dissipative Power Exchange Power A result of the elastic and inertia force Dissipative Power A result of the damping force 20
21 Complex Power Excitation Power Exchange Power Dissipative Power 21
22 Complex Power Summary Resonance Frequencies Dissipative Power 22
23 A Complex Power Approach to Characterise Joints in Experimental Dynamic Substructuring Experimental Dynamic Substructuring Joints (in Experimental Dynamic Substructuring) Complex Power 23
24 Test Case Introduction Homogeneous material properties Geometrically simple components Typical bolted joints 24
25 Test Case Measurement versus Model 25
26 Test Case Different Connections 1. Traditional Rigid Connection 2. Compliant in, only in stiffness. Match resonance frequencies 3. Compliant in, in stiffness and damping. Match dissipative power 26
27 Test Case Coupling Results 27
28 Test Case Coupling Results 28
29 Test Case Dissipative Power 29
30 Test Case Dissipative Power 30
31 Test Case Final Result 31
32 Recommendations Optimisation algorithm to obtain interface parameters Implement non-linear interface models Interface models off the shelf 32
33 Conclusions A Complex Power Approach to Characterise Joints in Experimental Dynamic Substructuring Compliant interface connections can be used to account for the influence of mechanical joints Complex Power can be used to as a tool to determine interface damping 33
34 A Complex Power Approach to Characterise Joints in Experimental Dynamic Substructuring Emiel Barten
35 Backup Slides 35
36 Backup Slide Modal Synthesis 36
37 Backup Slide MAC 37
38 Backup Slide Measurement Setup 38
39 Backup Slide Vold Kalman Filter 39
40 Backup Slide Circle Fit 40
41 Backup Slide ANSYS Interface Model 41
42 Backup Slide Interface Models 42
43 Backup Slide Rigidly Coupled MAC 43
44 Backup Slide Compliantly Coupled MAC 44
45 Backup Slide Coupling by Damping 45
46 Backup Slide Complex Power 46
47 Backup Slide Stationary Response 47
48 Backup Slide Force Equilibrium 48
49 Subtitle 49
50 Modal Synthesis 50
51 Backup Slide Interface Power 51
AA242B: MECHANICAL VIBRATIONS
AA242B: MECHANICAL VIBRATIONS 1 / 50 AA242B: MECHANICAL VIBRATIONS Undamped Vibrations of n-dof Systems These slides are based on the recommended textbook: M. Géradin and D. Rixen, Mechanical Vibrations:
More informationDr.Vinod Hosur, Professor, Civil Engg.Dept., Gogte Institute of Technology, Belgaum
STRUCTURAL DYNAMICS Dr.Vinod Hosur, Professor, Civil Engg.Dept., Gogte Institute of Technology, Belgaum Overview of Structural Dynamics Structure Members, joints, strength, stiffness, ductility Structure
More informationStochastic Dynamics of SDOF Systems (cont.).
Outline of Stochastic Dynamics of SDOF Systems (cont.). Weakly Stationary Response Processes. Equivalent White Noise Approximations. Gaussian Response Processes as Conditional Normal Distributions. Stochastic
More informationThe Customer Driven Development of SIMPACK s Durability Interface
The Customer Driven Development of SIMPACK s 5th SIMPACK User Meeting 2003 Stefan Dietz Content Problem Current Solutions in Comparison The Solution Implemented in SIMPACK Summary and Conclusion To Do
More informationTable of Contents. Preface... 13
Table of Contents Preface... 13 Chapter 1. Vibrations of Continuous Elastic Solid Media... 17 1.1. Objective of the chapter... 17 1.2. Equations of motion and boundary conditions of continuous media...
More informationFinite Element Analysis Lecture 1. Dr./ Ahmed Nagib
Finite Element Analysis Lecture 1 Dr./ Ahmed Nagib April 30, 2016 Research and Development Mathematical Model Mathematical Model Mathematical Model Finite Element Analysis The linear equation of motion
More informationAnalysis of shock force measurements for the model based dynamic calibration
8 th Worshop on Analysis of Dynamic Measurements May 5-6, 4 Turin Analysis of shoc force measurements for the model based dynamic calibration Michael Kobusch, Sascha Eichstädt, Leonard Klaus, and Thomas
More informationIntroduction to structural dynamics
Introduction to structural dynamics p n m n u n p n-1 p 3... m n-1 m 3... u n-1 u 3 k 1 c 1 u 1 u 2 k 2 m p 1 1 c 2 m2 p 2 k n c n m n u n p n m 2 p 2 u 2 m 1 p 1 u 1 Static vs dynamic analysis Static
More informationChapter 2: Rigid Bar Supported by Two Buckled Struts under Axial, Harmonic, Displacement Excitation..14
Table of Contents Chapter 1: Research Objectives and Literature Review..1 1.1 Introduction...1 1.2 Literature Review......3 1.2.1 Describing Vibration......3 1.2.2 Vibration Isolation.....6 1.2.2.1 Overview.
More informationMobility and Impedance Methods. Professor Mike Brennan
Mobility and Impedance Methods Professor Mike Brennan ibration control ibration Problem Understand problem Modelling (Mobility and Impedance Methods) Solve Problem Measurement Mobility and Impedance The
More informationCOPYRIGHTED MATERIAL. Index
Index A Admissible function, 163 Amplification factor, 36 Amplitude, 1, 22 Amplitude-modulated carrier, 630 Amplitude ratio, 36 Antinodes, 612 Approximate analytical methods, 647 Assumed modes method,
More informationHow to Validate Stochastic Finite Element Models from Uncertain Experimental Modal Data Yves Govers
How to Validate Stochastic Finite Element Models from Uncertain Experimental Modal Data Yves Govers Slide 1 Outline/ Motivation Validation of Finite Element Models on basis of modal data (eigenfrequencies
More informationReduction in number of dofs
Reduction in number of dofs Reduction in the number of dof to represent a structure reduces the size of matrices and, hence, computational cost. Because a subset of the original dof represent the whole
More informationStatic & Dynamic. Analysis of Structures. Edward L.Wilson. University of California, Berkeley. Fourth Edition. Professor Emeritus of Civil Engineering
Static & Dynamic Analysis of Structures A Physical Approach With Emphasis on Earthquake Engineering Edward LWilson Professor Emeritus of Civil Engineering University of California, Berkeley Fourth Edition
More informationTheory and Practice of Rotor Dynamics Prof. Dr. Rajiv Tiwari Department of Mechanical Engineering Indian Institute of Technology Guwahati
Theory and Practice of Rotor Dynamics Prof. Dr. Rajiv Tiwari Department of Mechanical Engineering Indian Institute of Technology Guwahati Module - 2 Simpul Rotors Lecture - 2 Jeffcott Rotor Model In the
More informationStructural Dynamics Lecture 2. Outline of Lecture 2. Single-Degree-of-Freedom Systems (cont.)
Outline of Single-Degree-of-Freedom Systems (cont.) Linear Viscous Damped Eigenvibrations. Logarithmic decrement. Response to Harmonic and Periodic Loads. 1 Single-Degreee-of-Freedom Systems (cont.). Linear
More informationFinal Exam December 11, 2017
Final Exam Instructions: You have 120 minutes to complete this exam. This is a closed-book, closed-notes exam. You are NOT allowed to use a calculator with communication capabilities during the exam. Usage
More informationDynamic design of automotive systems: Engine mounts and structural joints
SaÅdhanaÅ, Vol. 25, Part 3, June 2000, pp. 319±330. # Printed in India Dynamic design of automotive systems: Engine mounts and structural joints R SINGH Department of Mechanical Engineering, Ohio State
More informationDesign of an Innovative Acoustic Metamaterial
Design of an Innovative Acoustic Metamaterial PAVLOS MAVROMATIDIS a, ANDREAS KANARACHOS b Electrical Engineering Department a, Mechanical Engineering Department b Frederick University 7 Y. Frederickou
More informationFinal Exam Solution Dynamics :45 12:15. Problem 1 Bateau
Final Exam Solution Dynamics 2 191157140 31-01-2013 8:45 12:15 Problem 1 Bateau Bateau is a trapeze act by Cirque du Soleil in which artists perform aerial maneuvers on a boat shaped structure. The boat
More informationCoupled Oscillators. 1 Introduction. 2 Theory. PHY 300 Lab 2 Fall 2012
Coupled Oscillators 1 Introduction In this experiment you are going to observe the normal modes of oscillation of several different mechanical systems, first on the air tracks and then using some coupled
More informationSTATICS Chapter 1 Introductory Concepts
Contents Preface to Adapted Edition... (v) Preface to Third Edition... (vii) List of Symbols and Abbreviations... (xi) PART - I STATICS Chapter 1 Introductory Concepts 1-1 Scope of Mechanics... 1 1-2 Preview
More informationVibration Control Prof. Dr. S. P. Harsha Department of Mechanical & Industrial Engineering Indian Institute of Technology, Roorkee
Vibration Control Prof. Dr. S. P. Harsha Department of Mechanical & Industrial Engineering Indian Institute of Technology, Roorkee Module - 1 Review of Basics of Mechanical Vibrations Lecture - 2 Introduction
More informationL11 Virtual prototyping in machine tool design
Simulation and Control of Production Plants L11 Virtual prototyping in machine tool design Dipl.-Ing. Dipl.-Wirt. Ing. Benedikt Sitte Steinbachstr. 53 B, Room 408 Tel.: 0241/80-27441 b.sitte@wzl.rwth-aachen.de
More information1. Multiple Degree-of-Freedom (MDOF) Systems: Introduction
1. Multiple Degree-of-Freedom (MDOF) Systems: Introduction Lesson Objectives: 1) List examples of MDOF structural systems and state assumptions of the idealizations. 2) Formulate the equation of motion
More informationVibration Dynamics and Control
Giancarlo Genta Vibration Dynamics and Control Spri ringer Contents Series Preface Preface Symbols vii ix xxi Introduction 1 I Dynamics of Linear, Time Invariant, Systems 23 1 Conservative Discrete Vibrating
More informationNon-linear Modal Behaviour in Cantilever Beam Structures
Non-linear Modal Behaviour in Cantilever Beam Structures Thamthada Suwanwong and Paul.W.Bland* Department of Mechanical Engineering Simulation & Design, The Sirindhorn International Thai-German Graduate
More informationinertia of a body, principal axes of inertia, invariants of an inertia tensor, and inertia triangle inequalities are illustrated and discussed.
Preface This book belongs to a series of three books written simultaneously (the remaining two are titled Classical Mechanics: Dynamics and Classical Mechanics: Applied MechanicsandMechatronics). This
More informationMoment of inertia of different bodies
Moment of inertia of different bodies Aim: 1) Study moment of inertia of different bodies Objectives of the experiment 1. Measuring the period of oscillation of a thin transverse rod with weights on a
More informationSubstructuring of a nonlinear beam using a modal Iwan framework, Part II: Nonlinear Modal Substructuring
Substructuring of a nonlinear beam using a modal Iwan framework, Part II: Nonlinear Modal Substructuring Daniel Roettgen, Matthew S. Allen, Daniel Kammer Department of Engineering Physics University of
More informationStability for Bridge Cable and Cable-Deck Interaction. Dr. Maria Rosaria Marsico D.J. Wagg
Stability for Bridge Cable and Cable-Deck Interaction Dr. Maria Rosaria Marsico D.J. Wagg S.A. Neild Introduction The interaction between cables and structure can lead to complex vibration response Cables
More informationStructural Dynamic Modification Studies Using Updated Finite Element Model
Structural Dynamic Modification Studies Using Updated Finite Element Model Gupta A. K., Nakra B. C. 1 and Kundra T. K. 2 IRDE Dehradun 1 NSIT New Delhi 2 Deptt. of Mechanical Engg. IIT New Delhi ABSTRACT.
More informationChapter 23: Principles of Passive Vibration Control: Design of absorber
Chapter 23: Principles of Passive Vibration Control: Design of absorber INTRODUCTION The term 'vibration absorber' is used for passive devices attached to the vibrating structure. Such devices are made
More informationIdentification of Nonlinear Mechanical Systems: State of the Art and Recent Trends
- Acceleration (m/s 2 ) Identification of Nonlinear Mechanical Systems: State of the Art and Recent Trends 5 Force level: 67 N rms Gaëtan Kerschen Space Structures and Systems Laboratory Aerospace and
More informationDynamic Analysis Contents - 1
Dynamic Analysis Contents - 1 TABLE OF CONTENTS 1 DYNAMIC ANALYSIS 1.1 Overview... 1-1 1.2 Relation to Equivalent-Linear Methods... 1-2 1.2.1 Characteristics of the Equivalent-Linear Method... 1-2 1.2.2
More informationTHE subject of the analysis is system composed by
MECHANICAL VIBRATION ASSIGNEMENT 1 On 3 DOF system identification Diego Zenari, 182160, M.Sc Mechatronics engineering Abstract The present investigation carries out several analyses on a 3-DOF system.
More informationTheory & Practice of Rotor Dynamics Prof. Rajiv Tiwari Department of Mechanical Engineering Indian Institute of Technology Guwahati
Theory & Practice of Rotor Dynamics Prof. Rajiv Tiwari Department of Mechanical Engineering Indian Institute of Technology Guwahati Module - 5 Torsional Vibrations Lecture - 4 Transfer Matrix Approach
More informationCOUPLED USE OF FEA AND EMA FOR THE INVESTIGATION OF DYNAMIC BEHAVIOUR OF AN INJECTION PUMP
COUPLED USE OF FEA AND EMA FOR THE INVESTIGATION OF DYNAMIC BEHAVIOUR OF AN INJECTION PUMP Yasar Deger Wolfram Lienau Peter Sandford Sulzer Markets & Sulzer Pumps Ltd Sulzer Pumps (UK) Ltd Technology Ltd
More informationIntroduction to Continuous Systems. Continuous Systems. Strings, Torsional Rods and Beams.
Outline of Continuous Systems. Introduction to Continuous Systems. Continuous Systems. Strings, Torsional Rods and Beams. Vibrations of Flexible Strings. Torsional Vibration of Rods. Bernoulli-Euler Beams.
More informationMulti Degrees of Freedom Systems
Multi Degrees of Freedom Systems MDOF s http://intranet.dica.polimi.it/people/boffi-giacomo Dipartimento di Ingegneria Civile Ambientale e Territoriale Politecnico di Milano March 9, 07 Outline, a System
More informationChapter 5. Vibration Analysis. Workbench - Mechanical Introduction ANSYS, Inc. Proprietary 2009 ANSYS, Inc. All rights reserved.
Workbench - Mechanical Introduction 12.0 Chapter 5 Vibration Analysis 5-1 Chapter Overview In this chapter, performing free vibration analyses in Simulation will be covered. In Simulation, performing a
More informationTheory and Practice of Rotor Dynamics Prof. Rajiv Tiwari Department of Mechanical Engineering Indian Institute of Technology Guwahati
Theory and Practice of Rotor Dynamics Prof. Rajiv Tiwari Department of Mechanical Engineering Indian Institute of Technology Guwahati Module - 7 Instability in rotor systems Lecture - 4 Steam Whirl and
More informationELASTODYNAMIC ANALYSIS OF FOUR BAR MECHANISM USING MATLAB AND ANSYS WB
International Journal of Mechanical and Production Engineering Research and Development (IJMPERD ) ISSN 49-689 Vol., Issue Sep 1 76-8 TJPRC Pvt. td., EASTODYNAMIC ANAYSIS OF FOUR BAR MECHANISM USING MATAB
More informationStructural Dynamics A Graduate Course in Aerospace Engineering
Structural Dynamics A Graduate Course in Aerospace Engineering By: H. Ahmadian ahmadian@iust.ac.ir The Science and Art of Structural Dynamics What do all the followings have in common? > A sport-utility
More informationSPECIAL DYNAMIC SOIL- STRUCTURE ANALYSIS PROCEDURES DEMONSTATED FOR TWO TOWER-LIKE STRUCTURES
2010/2 PAGES 1 8 RECEIVED 21. 9. 2009 ACCEPTED 20. 1. 2010 Y. KOLEKOVÁ, M. PETRONIJEVIĆ, G. SCHMID SPECIAL DYNAMIC SOIL- STRUCTURE ANALYSIS PROCEDURES DEMONSTATED FOR TWO TOWER-LIKE STRUCTURES ABSTRACT
More informationAseismic design of structure equipment systems using variable frequency pendulum isolator
Aseismic design of structure equipment systems using variable frequency pendulum isolator Pranesh Murnal a, Ravi Sinha b, a Department of Applied Mechanics, Government College of Engineering, Karad 415124,
More informationNonlinear Modeling for Health Care Applications Ashutosh Srivastava Marc Horner, Ph.D. ANSYS, Inc.
Nonlinear Modeling for Health Care Applications Ashutosh Srivastava Marc Horner, Ph.D. ANSYS, Inc. 2 Motivation 12 Motivation Linear analysis works well for only small number of applications. The majority
More informationENGINEERING MECHANICS
ENGINEERING MECHANICS BASUDEB BHATTACHARYYA Assistant Professor Department of Applied Mechanics Bengal Engineering and Science University Shibpur, Howrah OXJFORD UNIVERSITY PRESS Contents Foreword Preface
More informationVibration Transmission in Complex Vehicle Structures
Vibration Transmission in Complex Vehicle Structures Christophe Pierre Professor Matthew P. Castanier Assistant Research Scientist Yung-Chang Tan Dongying Jiang Graduate Student Research Assistants Vibrations
More informationSimulation of Aeroelastic System with Aerodynamic Nonlinearity
Simulation of Aeroelastic System with Aerodynamic Nonlinearity Muhamad Khairil Hafizi Mohd Zorkipli School of Aerospace Engineering, Universiti Sains Malaysia, Penang, MALAYSIA Norizham Abdul Razak School
More informationNOISE REDUCTION OF THE DIFFERENTIAL SLEEVE BEARING
Engineering MECHANICS, Vol. 16, 29, No. 2, p. 93 12 93 NOISE REDUCTION OF THE DIFFERENTIAL SLEEVE BEARING Ivan Mazůrek, Milan Klapka, Jakub Roupec* This article describes a technique for noise reduction
More information440. Simulation and implementation of a piezoelectric sensor for harmonic in-situ strain monitoring
440. Simulation and implementation of a piezoelectric sensor for harmonic in-situ strain monitoring 0. Incandela a, L. Goujon b, C. Barthod c University of Savoie, BP 80439 Annecy-le-Vieux CEDEX, France
More informationIntroduction to Mechanical Vibration
2103433 Introduction to Mechanical Vibration Nopdanai Ajavakom (NAV) 1 Course Topics Introduction to Vibration What is vibration? Basic concepts of vibration Modeling Linearization Single-Degree-of-Freedom
More informationThe Torsion Pendulum (One or two weights)
The Torsion Pendulum (One or two weights) Exercises I through V form the one-weight experiment. Exercises VI and VII, completed after Exercises I -V, add one weight more. Preparatory Questions: 1. The
More informationVIBRATION ANALYSIS OF E-GLASS FIBRE RESIN MONO LEAF SPRING USED IN LMV
VIBRATION ANALYSIS OF E-GLASS FIBRE RESIN MONO LEAF SPRING USED IN LMV Mohansing R. Pardeshi 1, Dr. (Prof.) P. K. Sharma 2, Prof. Amit Singh 1 M.tech Research Scholar, 2 Guide & Head, 3 Co-guide & Assistant
More informationCHAPTER 4 DESIGN AND ANALYSIS OF CANTILEVER BEAM ELECTROSTATIC ACTUATORS
61 CHAPTER 4 DESIGN AND ANALYSIS OF CANTILEVER BEAM ELECTROSTATIC ACTUATORS 4.1 INTRODUCTION The analysis of cantilever beams of small dimensions taking into the effect of fringing fields is studied and
More informationMulti Linear Elastic and Plastic Link in SAP2000
26/01/2016 Marco Donà Multi Linear Elastic and Plastic Link in SAP2000 1 General principles Link object connects two joints, i and j, separated by length L, such that specialized structural behaviour may
More informationFREE VIBRATION RESPONSE OF UNDAMPED SYSTEMS
Lecture Notes: STRUCTURAL DYNAMICS / FALL 2011 / Page: 1 FREE VIBRATION RESPONSE OF UNDAMPED SYSTEMS : : 0, 0 As demonstrated previously, the above Equation of Motion (free-vibration equation) has a solution
More informationKaunadis [5] analyzed the vibration analysis of cantilever beam in free and forced condition. The cantilever beam was loaded at different locations.
Vibration Analysis of Cantilever Beam: An Experimental Study Mr. P.Kumar 1, Dr. S.Bhaduri 2, Dr. A. Kumar 3 1-3 Department of Mechanical Engineering, Birla Institute of Technology Mesra, Jharkhand, India
More informationDYNAMIC SIMULATION OF VEGA SRM BENCH FIRING BY USING PROPELLANT COMPLEX CHARACTERIZATION
DYNAMIC SIMULATION OF VEGA SRM BENCH FIRING BY USING PROPELLANT COMPLEX CHARACTERIZATION MSC Software University Roadshow The information contained in this document is AVIO S.p.A. proprietary and is disclosed
More informationExperimental Modal Analysis of a Flat Plate Subjected To Vibration
American Journal of Engineering Research (AJER) 2016 American Journal of Engineering Research (AJER) e-issn: 2320-0847 p-issn : 2320-0936 Volume-5, Issue-6, pp-30-37 www.ajer.org Research Paper Open Access
More informationExam 3 December 1, 2010
Exam 3 Instructions: You have 60 minutes to complete this exam. This is a closed-book, closed-notes exam. You are allowed to use a calculator during the exam. All work must be shown to receive credit.
More informationFEM-Study ILD-AHCAL. Seismic simulation. K. Gadow, M. Lemke, F. Sefkow Santander,
FEM-Study ILD-AHCAL Seismic simulation K. Gadow, M. Lemke, F. Sefkow Santander, 3.6..2016 Overview > Reminder of earlier studies > Sub-structuring method > First results > Outlook Martin Lemke FEM-Study
More informationPHYSICS. Course Structure. Unit Topics Marks. Physical World and Measurement. 1 Physical World. 2 Units and Measurements.
PHYSICS Course Structure Unit Topics Marks I Physical World and Measurement 1 Physical World 2 Units and Measurements II Kinematics 3 Motion in a Straight Line 23 4 Motion in a Plane III Laws of Motion
More informationDETC98/PTG-5788 VIBRO-ACOUSTIC STUDIES OF TRANSMISSION CASING STRUCTURES
Proceedings of DETC98: 1998 ASME Design Engineering Technical Conference September 13-16, 1998, Atlanta, GA DETC98/PTG-5788 VIBRO-ACOUSTIC STUDIES O TRANSMISSION CASING STRUCTURES D. Crimaldi Graduate
More informationDynamics of Structures
Dynamics of Structures Elements of structural dynamics Roberto Tomasi 11.05.2017 Roberto Tomasi Dynamics of Structures 11.05.2017 1 / 22 Overview 1 SDOF system SDOF system Equation of motion Response spectrum
More informationImproving the Accuracy of Dynamic Vibration Fatigue Simulation
Improving the Accuracy of Dynamic Vibration Fatigue Simulation Kurt Munson HBM Prenscia Agenda 2 1. Introduction 2. Dynamics and the frequency response function (FRF) 3. Using finite element analysis (FEA)
More informationUniversity of California at Berkeley Structural Engineering Mechanics & Materials Department of Civil & Environmental Engineering Spring 2012 Student name : Doctoral Preliminary Examination in Dynamics
More informatione jωt = cos(ωt) + jsin(ωt),
This chapter introduces you to the most useful mechanical oscillator model, a mass-spring system with a single degree of freedom. Basic understanding of this system is the gateway to the understanding
More informationNONLINEAR CHARACTERISTICS OF THE PILE-SOIL SYSTEM UNDER VERTICAL VIBRATION
IGC 2009, Guntur, INDIA NONLINEAR CHARACTERISTICS OF THE PILE-SOIL SYSTEM UNDER VERTICAL VIBRATION B. Manna Lecturer, Civil Engineering Department, National Institute of Technology, Rourkela 769008, India.
More informationThe... of a particle is defined as its change in position in some time interval.
Distance is the. of a path followed by a particle. Distance is a quantity. The... of a particle is defined as its change in position in some time interval. Displacement is a.. quantity. The... of a particle
More informationLecture 2: Finite Elements
Materials Science & Metallurgy Master of Philosophy, Materials Modelling, Course MP7, Finite Element Analysis, H. K. D. H. Bhadeshia Lecture 2: Finite Elements In finite element analysis, functions of
More informationNumerical Prediction of the Radiated Noise of Hermetic Compressors Under the Simultaneous Presence of Different Noise Sources
Purdue University Purdue e-pubs International Compressor Engineering Conference School of Mechanical Engineering 1998 Numerical Prediction of the Radiated Noise of Hermetic Compressors Under the Simultaneous
More information202 Index. failure, 26 field equation, 122 force, 1
Index acceleration, 12, 161 admissible function, 155 admissible stress, 32 Airy's stress function, 122, 124 d'alembert's principle, 165, 167, 177 amplitude, 171 analogy, 76 anisotropic material, 20 aperiodic
More informationClass XI Physics Syllabus One Paper Three Hours Max Marks: 70
Class XI Physics Syllabus 2013 One Paper Three Hours Max Marks: 70 Class XI Weightage Unit I Physical World & Measurement 03 Unit II Kinematics 10 Unit III Laws of Motion 10 Unit IV Work, Energy & Power
More informationCOMPLIANT CONTROL FOR PHYSICAL HUMAN-ROBOT INTERACTION
COMPLIANT CONTROL FOR PHYSICAL HUMAN-ROBOT INTERACTION Andrea Calanca Paolo Fiorini Invited Speakers Nevio Luigi Tagliamonte Fabrizio Sergi 18/07/2014 Andrea Calanca - Altair Lab 2 In this tutorial Review
More informationChapter 10: Vibration Isolation of the Source
Chapter 10: Vibration Isolation of the Source Introduction: High vibration levels can cause machinery failure, as well as objectionable noise levels. A common source of objectionable noise in buildings
More informationTutorial Guideline VDI 3830: Damping of Materials and Members
Tutorial Guideline VDI 3830: Damping of Materials and Members Lothar Gaul Committee Background It was Nov 10, 1982 when Prof. Federn, Prof. Gaul, Prof. Mahrenholtz, and Dr. Pieper VDI decided to work out
More informationThis appendix gives you a working knowledge of the theory used to implement flexible bodies in ADAMS. The topics covered include
Appendix D Theoretical Background This appendix gives you a working knowledge of the theory used to implement flexible bodies in ADAMS. The topics covered include modal superposition component mode synthesis,
More informationGeneralized Single Degree of Freedom Systems
Single Degree of Freedom http://intranet.dica.polimi.it/people/boffi-giacomo Dipartimento di Ingegneria Civile Ambientale e Territoriale Politecnico di Milano April, 16 Outline Until now our were described
More informationStudy & Analysis of A Cantilever Beam with Non-linear Parameters for Harmonic Response
ISSN 2395-1621 Study & Analysis of A Cantilever Beam with Non-linear Parameters for Harmonic Response #1 Supriya D. Sankapal, #2 Arun V. Bhosale 1 sankpal.supriya88@gmail.com 2 arunbhosale@rediffmail.com
More informationDESIGN OF A HIGH SPEED TRAIN USING A MULTIPHYSICAL APPROACH
DESIGN OF A HIGH SPEED TRAIN USING A MULTIPHYSICAL APPROACH Aitor Berasarte Technologies Management Area Technology Division CAF WHAT DO WE ANALYSE? AERODYNAMICS STRUCTURAL ANALYSIS DYNAMICS NOISE & VIBRATIONS
More informationApplication of a novel method to identify multi-axis joint properties
Application of a novel method to identify multi-axis joint properties Scott Noll, Jason Dreyer, and Rajendra Singh The Ohio State University, 219 W. 19 th Avenue, Columbus, Ohio 4321 USA ABSTRACT This
More informationAbstract. 1 Introduction
Consideration of medium-speed four-stroke engines in ship vibration analyses I. Asmussen, A. Muller-Schmerl GermanischerLloyd, P.O. Box 111606, 20416Hamburg, Germany Abstract Vibration problems were recently
More informationAdvanced Vibrations. Elements of Analytical Dynamics. By: H. Ahmadian Lecture One
Advanced Vibrations Lecture One Elements of Analytical Dynamics By: H. Ahmadian ahmadian@iust.ac.ir Elements of Analytical Dynamics Newton's laws were formulated for a single particle Can be extended to
More informationDynamics of structures
Dynamics of structures 2.Vibrations: single degree of freedom system Arnaud Deraemaeker (aderaema@ulb.ac.be) 1 Outline of the chapter *One degree of freedom systems in real life Hypothesis Examples *Response
More informationSection 2.2 : Electromechanical. analogies PHILIPE HERZOG AND GUILLAUME PENELET
Section 2.2 : Electromechanical analogies PHILIPE HERZOG AND GUILLAUME PENELET Paternité - Pas d'utilisation Commerciale - Partage des Conditions Initiales à l'identique : http://creativecommons.org/licenses/by-nc-sa/2.0/fr/
More informationEffect of Tethers Tension Force in the Behavior of a Tension Leg Platform Subjected to Hydrodynamic Force Amr R. El-Gamal, Ashraf Essa, Ayman Ismail
Vol:7, No:1, 13 Effect of Tethers Tension Force in the Behavior of a Tension Leg Platform Subjected to Hydrodynamic Force Amr R. El-Gamal, Ashraf Essa, Ayman Ismail International Science Index, Bioengineering
More informationAPVC2009. Forced Vibration Analysis of the Flexible Spinning Disk-spindle System Represented by Asymmetric Finite Element Equations
Forced Vibration Analysis of the Flexible Spinning Disk-spindle System Represented by Asymmetric Finite Element Equations Kiyong Park, Gunhee Jang* and Chanhee Seo Department of Mechanical Engineering,
More informationinter.noise 2000 The 29th International Congress and Exhibition on Noise Control Engineering August 2000, Nice, FRANCE
Copyright SFA - InterNoise 2000 1 inter.noise 2000 The 29th International Congress and Exhibition on Noise Control Engineering 27-30 August 2000, Nice, FRANCE I-INCE Classification: 7.6 AN INNOVATIVE APPROACH
More informationAnalyses of Soil-Structure Systems
Analyses of Soil-Structure Systems Julio García Paul C. Rizzo Associates, Inc., 105 Mall Blvd. Suite 270E, Monroeville, PA 15146, USA Phone: +1 (412)856-9700, Fax: +1 (412)856-9749, Email: julio.garcia@rizzoassoc.com
More informationEffects of mass distribution and buoyancy on the sound radiation of a fluid loaded cylinder
Effects of mass distribution and buoyancy on the sound radiation of a fluid loaded cylinder Hongjian Wu, Herwig Peters, Roger Kinns and Nicole Kessissoglou School of Mechanical and Manufacturing, University
More informationModel Uncertainty and Analyst Qualification in Soil-Structure Interaction Analysis
Laboratório de Dinâmica Estrutural e Confiabilidade Universidade Federal do Rio Grande do Sul Porto Alegre, Brazil Model Uncertainty and Analyst Qualification in Soil-Structure Interaction Analysis Jorge
More informationFinal Exam April 30, 2013
Final Exam Instructions: You have 120 minutes to complete this exam. This is a closed-book, closed-notes exam. You are allowed to use a calculator during the exam. Usage of mobile phones and other electronic
More informationDYNAMIC RESPONSE OF INELASTIC BUILDING- FOUNDATION SYSTEMS
DYNAMIC RESPONSE OF INELASTIC BUILDING- FOUNDATION SYSTEMS By S. Jarenprasert 1, E. Bazán -Zurita 2, and J. Bielak 1 1 Department of Civil and Environmental Engineering, Carnegie-Mellon University Pittsburgh,
More informationUSING MULTIBODY DYNAMICS FOR THE STABILITY ASSESSMENT OF A NEW ROTOR TEST RIG
USING MULTIBODY DYNAMICS FOR THE STABILITY ASSESSMENT OF A NEW ROTOR TEST RIG Jürgen Arnold, Stefan Waitz DLR German Aerospace Center D-37073 Göttingen Germany Abstract The secure entry into service of
More informationDynamic Stress Analysis of a Bus Systems
Dynamic Stress Analysis of a Bus Systems *H. S. Kim, # Y. S. Hwang, # H. S. Yoon Commercial Vehicle Engineering & Research Center Hyundai Motor Company 772-1, Changduk, Namyang, Whasung, Kyunggi-Do, Korea
More informationGeneralized Single Degree of Freedom Systems
Single Degree of Freedom http://intranet.dica.polimi.it/people/boffi-giacomo Dipartimento di Ingegneria Civile Ambientale e Territoriale Politecnico di Milano March, 8 Outline Until now our were described
More informationThe written qualifying (preliminary) examination covers the entire major field body of knowledge
Dynamics The field of Dynamics embraces the study of forces and induced motions of rigid and deformable material systems within the limitations of classical (Newtonian) mechanics. The field is intended
More informationA BENCHMARK STRUCTURE FOR VALIDATION OF BLOCKED FORCE TRANSFER PATH ANALYSIS TECHNIQUES
A BENCHMARK STRUCTURE FOR VALIDATION OF BLOCKED FORCE TRANSFER PATH ANALYSIS TECHNIQUES E. A. Pasma, M. V. van der Seijs, D. D. van den Bosch, M. W. F. Wernsen VIBES.technology, Molengraaffsingel 14, 2629
More information