'Mode shapes' diaporamas de présentation

Elementary Tutorial

Elementary Tutorial. Fundamentals of Linear Vibrations. Prepared by Dr. An Tran in collaboration with Professor P. R. Heyliger Department of Civil Engineering Colorado State University Fort Collins, Colorado June 2003.

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Traffic Monitoring Using FBG Sensors

Hands-On Sensor Course April 22, 2004 Marley Kunzler Blue Road Research 376 NE 219th Avenue Gresham, OR 97030 (503) 667-7772 *. Traffic Monitoring Using FBG Sensors. Outline. 1. Functionality of the Dynamic FBG System 2. Background on Project 3. Results from Testing

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AERSP 301 Plate Theory

AERSP 301 Plate Theory. Jose Palacios August 2008. Today. Plate Theory Analyzing energy method (Stationary Principle of Total Potential Energy) Similar to process for FEM Consider plate as a whole (not discretized) Displacement Functions change Final Exam: August 14 2008 @ 10:00 RCOE.

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Example 4.4

Example 4.4. No damper. No damper. TMD at node 2 Tune to mode 1. TMD at node 2 Tune to mode 1 modal mass =1.25 modal amplitude =1.0 Want equivalent modal damping = 0.1 Requires mbar =.065 The appropiate damper parameters are f=.91 =.145

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Updating Finite Element Models to Match Ground Vibration Test Data Chan-gi Pak, Ph.D.

Updating Finite Element Models to Match Ground Vibration Test Data Chan-gi Pak, Ph.D. Leader, Structural Dynamics Group Aerostructures Branch (Code RS) NASA Dryden Flight Research Center. Structural Dynamics Group. Functionality

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Mode Localization in Multispan Beams with Massive and Stiff Couplers on Supports

PSSC 1998. 10. 13. Mode Localization in Multispan Beams with Massive and Stiff Couplers on Supports. Dong-Ok Kim and In-Won Lee Department of Civil Engineering in Korea Advance Institute of Science and Technology. CONTENTS. Introduction Definition of mode localization

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Presented by: Mark McGinnis/Swales

Integrated Modeling for the James Webb Space Telescope (JWST) Project: Structural Analysis Activities. Presented by: Mark McGinnis/Swales John Johnston, Gary Mosier, Joe Howard, Tupper Hyde, and Keith Parrish (NASA/GSFC) Kong Ha (Jackson and Tull)

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Chapter 5 Vibration Analysis

Chapter 5 Vibration Analysis. Chapter Overview. In this chapter, performing free vibration analyses in Simulation will be covered. In Simulation, performing a free vibration analysis is similar to a linear static analysis.

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Modal Analysis

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Mechanical Vibrations Lecture 13

Mechanical Vibrations Lecture 13. Multi-Degree of Freedom Force Vibration The Eigen -Value Problem Modal Analysis Solution. Mass Normalisation of Mode Shapes. Properties in Eigen Vector Matrices. Modal Analysis. Scale the mode shapes so that

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Modal Analysis of Functionally Graded Rectangular Plates

Modal Analysis of Functionally Graded Rectangular Plates. Wes Saunders Engineering Project Proposal. Purpose. To use Finite Element Analysis (FEA) to perform a modal analysis on functionally graded materials (FGM) to determine modes and mode shapes. Background.

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mode 1

EULER BENDING VIBRATION. mode 4. mode 3. mode 2. mode 1. Free vibration of a beam. mass per unit length m flexural rigidity EI , length L. y. z. Equation of motion: For vibration, assume y ( x,t )= Y ( x )cos( w t ), so This has general solution

332 views • 6 slides

mode 1

EULER BENDING VIBRATION. mode 4. mode 3. mode 2. mode 1. Free vibration of a beam. mass per unit length m flexural rigidity EI , length L. y. z. Equation of motion: For vibration, assume y ( x,t )= Y ( x )cos( w t ), so This has general solution

60 views • 6 slides

List of modes

Mode shapes. List of modes.

88 views • 1 slides