Rotordynamics in ANSYS
|
|
- Clinton Moody
- 6 years ago
- Views:
Transcription
1 Rotordynamics in ANSYS 1 ASME Turbo Expo 2013 Dave Looman Tech. Support Mgr.
2 Rotordynamics in ANSYS - Outline Introduction ANSYS Rotordynamics capabilities by analysis type Continuing Rotordynamics Enhancements Benchmark Studies & Industrial Applications Summary and Questions Image Courtesy of Beckman Coulter, Inc. 2
3 Benefits of Using ANSYS for RotorDynamics Complete Solution in ANSYS CAD import and automatic meshing Library of elements types Analysis types - including prestress Dedicated post-processing Image Courtesy of Electric Machinery Co. 3
4 Benefits of Using ANSYS for RotorDynamics Complete Solution in ANSYS Multi-spool dynamics simulation 3D model of supporting structure and/or disks Direct connection to bearing codes ROMAC Direct connection to other ANSYS tools Geometry, Mesh, Simulation, Parameters: Geometry, Bearing Stiffness, Optimization and Design Exploration Tools 4
5 Rotordynamics Analyses: Modal, Harmonic, Transient ASME Turbo Expo
6 Modal Analysis Deformed Shape Animation Specify Rotational Velocities Images Courtesy of Electric Machinery Co. Orbit Plot Mode Information Frequency Stability Damping Ratio Log Decrement 6
7 Modal Analysis Campbell Diagram Critical Speed Whirl Direction Stability 7
8 Modal Analysis - Log Decrement Plot The logarithmic decrement plot is used to measure stability 0 Log Dec Line UNSTABLE STABLE Mode 3 becomes unstable 8
9 Modal Analysis - Critical Speed Map Critical Speed Map can be used to show the evolution of the critical speeds of the rotor with respect to the bearing stiffness Critical Speed Map generated by the CRITSPEEDMAP macro 9
10 Harmonic Analysis Unbalance Response Amplitude Phase Angle Centrifuge Image Courtesy of Beckman Coulter, Inc. 10
11 Harmonic Analysis - Orbit plots In a plane perpendicular to the spin axis, the orbit of a node is an ellipse It is defined by three characteristics: semi axes A, B and phase ψ in a local coordinate system (x, y, z) where x is the rotation axis Angle ϕ is the initial position of the node with respect to the major semi-axis A. PRINT ORBITS FROM NODAL SOLUTION LOCAL y AXIS OF ORBITS IN GLOBAL COORDINATES E E E+00 LOAD STEP= 1 SUBSTEP= 4 RFRQ= IFRQ= LOAD CASE= 0 ORBIT NODE A B PSI PHI ymax zmax
12 Transient Analysis Stability Verification Unstable Orbits Stable Orbits 12
13 Rotordynamic Features Features Campbell Diagram Unbalance response to synchronous and asynchronous excitations Visualize and printout the orbits characteristics Animation 13
14 Basic Features Features Support Line, Mass, Solid, Shell Elements Support for Axiharmonic Element Dedicated bearing element COMBI214 14
15 Dedicated Bearing Element Element Description Characteristics cross terms Nonlinear characteristics COMBIN14 Uniaxial spring/damper None None COMBI214 2D spring/damper Unsymmetric Function of Ω and Eccentricity MATRIX27 General stiffness and damping matrices Unsymmetric None MPC184 Multipoint constraint Symmetric for linear, none for nonlinear Function of the displacement Sample COMBI214 Table Input *DIM,KYY,TABLE,3,1,1,OMEGS KYY(1,0) = OMEGA1,OMEGA2,OMEGA3 KYY(1,1) = KYY1, KYY2, KYY3 R,1, %KYY% 15
16 Interface to THPAD ASCII file generated by ROMAC Tilt Pad Bearing program IMPORTBEARING.MAC supplied by ANSYS imports bearing data for use with COMBI ANSYS Bearing Element COMBI214
17 Recent Enhancements - Campbell Diagram in WB Mechanical at
18 Recent Enhancements Rotordynamics Solver Controls in WB Mechanical at 14.0 Import Shaft Geometry from text file in WB DM at
19 Recent Enhancements Support for Bearings in WB Mechanical at
20 Recent Enhancements Bearing Stiffness and Damping as a function of Eccentricity at 14.0 Transient Analysis of a 3 disk Rotor Bearing stiffness and damping defined as a function of eccentricity Rotational velocity ramped from zero 20
21 15.0 Enhancement CMS of Rotor QA Test of Full Rotor vs Partial CMS Rotor 21
22 Industrial Applications and Benchmark Study ASME Turbo Expo
23 ROMAC Benchmark Tilt Pad Bearings Eight Stage Centrifugal Compressor used for natural gas re-injection Tilt Pad Bearings with dynamic coefficients 23
24 ROMAC Benchmark Description Bearings: - Tilting pad bearings - Velocity dependent stiffness and damping Shaft: - Total length: 2.81m - 35 stations (nodes) - 34 beams - 35 point masses - 15 masses with rotary inertia - 20 masses with no rotary inertia Analyses done: - Critical speed map computation - Unbalanced responses on 1 st and 2 nd bending modes 24
25 Benchmark Results Critical Speed Map Critical speed map: Critical speed versus bearing stiffness (no damping or cross terms) 25
26 Benchmark Results Unbalanced Response First bending mode - Unbalanced magnitude = 2.44E-03 N.m - Load applied on station 17 Unbalanced response Second bending mode - Unbalanced magnitude = 2.44E-03 N.m - Load applied on station 11 and 24 with 180 phase 26
27 ROMAC Benchmark - Squeeze film damping Shaft: Material standard steel 25 nodes and 24 elements l = m each, axis length L = m d = m Disks: d = m Thickness = m at stations 10, 13 and 16 Bearings: Phase 1: Constant Symmetric Properties Kxx = Kyy = E+07 N/m Cxx = Cyy = E+02 N/m Cxy = Cyx = Kxy = Kyx = 0 Phase 2: Velocity and eccentricity dependent stiffness and damping Kxy = 3.503E+05 N/m = q (Aerodynamic cross-coupling) Kyx = - Kxy Cxx = Cyy = Cxy1 = Cyx1 = 0 27
28 Benchmark Phase 1 Results Campbell Diagram (ANSYS) Campbell Diagram (ROMAC) 28
29 Centrifugal Compressor Shaft for a Chiller Free-Free Testing Apparatus at Trane 3D model with Mass of attachments Courtesy of Trane, a business of American Standard, Inc. 29
30 Shell Support Structure with Rotor Components 30 Courtesy of Trane, a business of American Standard, Inc.
31 Chiller Structure Modeled with CMS SuperElement Finite Element Model of Rotor and Impellers CMS Superelement Courtesy of Trane, a business of American Standard, Inc. 31
32 Rotordynamics Analysis Guide 32
33 Technology Demonstration Guide 33
34 Verification Manual VM Verification Tests
35 Summary Key Features: CAD import and automatic meshing Library of elements types BEAM, SHELL, SOLID, COMBI214 Analysis types - including prestress modal, harmonic, transient Dedicated post-processing Multi-spool dynamics simulation Direct connection to bearing codes - ROMAC Image Courtesy of Electric Rotordynamics Guide Machinery Co. Account for flexibility of supporting structure and/or the disks Continuing enhancements Connect directly to other ANSYS tools via Workbench platform DesignXplorer, ncode DesignLife, etc. Easy to use! 35
36 Faster, more complete and accurate machine analysis with ANSYS ASME Turbo Expo
Rotor Dynamics Analysis of An Electric Machine
Rotor Dynamics Analysis of An Electric Machine Senlin Huang, Hengfeng Chen TECO FA Global Wuxi R&D Center, Wuxi TECO Electric&Machinery Co.Ltd, Jiangsu, China Abstract ANSYS has no module to analyze dynamics
More informationsolid model rotor dynamics
solid model rotor dynamics A traditional practice in the rotor dynamics analysis is to use beam models for both the lateral and the torsion analysis. Such an analysis limits the capabilities for the modern
More informationSAMCEF for ROTORS. Chapter 3.2: Rotor modeling. This document is the property of SAMTECH S.A. MEF A, Page 1
SAMCEF for ROTORS Chapter 3.2: Rotor modeling This document is the property of SAMTECH S.A. MEF 101-03-2-A, Page 1 Table of contents Introduction Introduction 1D Model 2D Model 3D Model 1D Models: Beam-Spring-
More informationistrdyn - integrated Stress, Thermal, and Rotor Dynamics
istrdyn - integrated Stress, Thermal, and Rotor Dynamics Jeffcott Rotor Analysis Example istrdyn Modeling, Solutions, and Result Processing July 2007 This presentation shows an analysis sequence using
More informationVERIFICATION OF CAMPBELL DIAGRAMS USING ANSYS - LINFLOW AND FUNDAMENTALS OF AEROELASTIC ANALYSES
VERIFICATION OF CAMPBELL DIAGRAMS USING ANSYS - LINFLOW AND FUNDAMENTALS OF AEROELASTIC ANALYSES Olcay ÇİÇEKDAĞ - Aeronautics Eng, MSc., FİGES A.Ş. CONTENTS 1) AIM 2) STRUCTURAL VIBRATION ANALYSES 2.1)
More informationFinite Element Analysis using ANSYS Mechanical APDL & ANSYS Workbench
Finite Element Analysis using ANSYS Mechanical APDL & ANSYS Workbench Course Curriculum (Duration: 120 Hrs.) Section I: ANSYS Mechanical APDL Chapter 1: Before you start using ANSYS a. Introduction to
More informationCoupled Rotor Housing Dynamics Using Component Mode Synthesis
Coupled Rotor Housing Dynamics Using Component Mode Synthesis 1 Presented by Stephen James Engineer, Rotating Machinery Dynamics Group Southwest Research Institute San Antonio, Texas Introduction Objective
More informationAnalysis of Pile Behaviour due to Damped Vibration by Finite Element Method (FEM)
ISSN 2395-1621 Analysis of Pile Behaviour due to Damped Vibration by Finite Element Method (FEM) #1 L.M.Sardesai, #2 G.A.Kadam 1 sardesaileena@rediffmail.com.com 2 ganeshkadam07@gmail.com #1 Mechanical
More informationAbout the Author. Acknowledgements
About the Author Dr. Paul Kurowski obtained his MSc and PhD in Applied Mechanics from Warsaw Technical University. He completed postdoctoral work at Kyoto University. Dr. Kurowski is an Assistant Professor
More informationNonLinear Analysis of a Cantilever Beam
NonLinear Analysis of a Cantilever Beam Introduction This tutorial was created using ANSYS 7.0 The purpose of this tutorial is to outline the steps required to do a simple nonlinear analysis of the beam
More informationPTC Newsletter January 14th, 2002
PTC Email Newsletter January 14th, 2002 PTC Product Focus: Pro/MECHANICA (Structure) Tip of the Week: Creating and using Rigid Connections Upcoming Events and Training Class Schedules PTC Product Focus:
More informationAnsys Mechanical APDL
Ansys Mechanical APDL Day 1: FEA and ANSYS 9.00 12.00 About ANSYS, What is FEA?, Instructor Example Getting Started 12.00 1.00 Interactive Vs. Batch Mode, Starting ANSYS, Product Launcher, ANSYS Workbench,
More informationVibration Analysis with SOLIDWORKS Simulation and SOLIDWORKS. Before you start 7
i Table of contents Before you start 7 Notes on hands-on exercises and functionality of Simulation Prerequisites Selected terminology 1: Introduction to vibration analysis 10 Differences between a mechanism
More informationWP1 NUMERICAL BENCHMARK INVESTIGATION
WP1 NUMERICAL BENCHMARK INVESTIGATION 1 Table of contents 1 Introduction... 3 2 1 st example: beam under pure bending... 3 2.1 Definition of load application and boundary conditions... 4 2.2 Definition
More informationFEA Applications I MET 415 Review Course Structure: 15 week course Weekly Schedule 50 minute lecture 2.5 hour laboratory 50 minute lecture
FEA Applications I MET 415 Review Course Structure: 15 week course Weekly Schedule 50 minute lecture 2.5 hour laboratory 50 minute lecture Goal: Obtain feedback from Industry Users on course presentation
More informationFinite Element Course ANSYS Mechanical Tutorial Tutorial 3 Cantilever Beam
Problem Specification Finite Element Course ANSYS Mechanical Tutorial Tutorial 3 Cantilever Beam Consider the beam in the figure below. It is clamped on the left side and has a point force of 8kN acting
More informationChapter 5 Modeling and Simulation of Mechanism
Chapter 5 Modeling and Simulation of Mechanism In the present study, KED analysis of four bar planar mechanism using MATLAB program and ANSYS software has been carried out. The analysis has also been carried
More informationModal Analysis of Intermediate Shaft Used in Automobile Gear Box
Modal Analysis of Intermediate Shaft Used in Automobile Gear Box Mr. Shekhar Dive PG Student, Mechanical Engineering Department, Siddhant College of Engineering, University of Pune, Pune, Maharashtra,
More informationEngineering Analysis
Engineering Analysis with SOLIDWORKS Simulation 2018 Paul M. Kurowski SDC PUBLICATIONS Better Textbooks. Lower Prices. www.sdcpublications.com Powered by TCPDF (www.tcpdf.org) Visit the following websites
More informationMSC Software: Release Overview - MSC Nastran MSC Nastran 2014 RELEASE OVERVIEW
MSC Nastran 2014 Welcome to MSC Nastran 2014! Welcome to MSC Nastran 2014! The MSC Nastran 2014 release is focused on delivering new capabilities and performance required to solve multidisciplinary problems.
More informationBest Practices for Contact Modeling using ANSYS
Best Practices for Contact Modeling using ANSYS 朱永谊 / R&D Fellow ANSYS 1 2016 ANSYS, Inc. August 12, 2016 ANSYS UGM 2016 Why are these best practices important? Contact is the most common source of nonlinearity
More informationModel Library Mechanics
Model Library Mechanics Using the libraries Mechanics 1D (Linear), Mechanics 1D (Rotary), Modal System incl. ANSYS interface, and MBS Mechanics (3D) incl. CAD import via STL and the additional options
More informationImproving Your Structural Mechanics Simulations with Release 14.0
Improving Your Structural Mechanics Simulations with Release 14.0 1 What will Release 14.0 bring you? 2 Let s now take a closer look at some topics 3 MAPDL/WB Integration Finite Element Information Access
More informationDynamic behaviour of high-speed rotor
AALTO UNIVERSITY School of Engineering Department of Engineering Design and Production Alícia Santarén Rodríguez Dynamic behaviour of high-speed rotor Thesis submitted as partial fulfilment of the requirements
More informationChallenge Problem 5 - The Solution Dynamic Characteristics of a Truss Structure
Challenge Problem 5 - The Solution Dynamic Characteristics of a Truss Structure In the final year of his engineering degree course a student was introduced to finite element analysis and conducted an assessment
More informationANSYS/LS-Dyna. Workbench Using. Steven Hale Senior Engineering Manager CAE Associates, Inc. June 13, CAE Associates
ANSYS/LS-Dyna Customization in Workbench Using ACT Steven Hale Senior Engineering Manager CAE Associates, Inc. June 13, 2013 2013 CAE Associates CAE Associates CAE Associates is an engineering services
More informationR15.0 Structural Update
R15.0 Structural Update 1 Tim Pawlak R&D Fellow ANSYS Structural Update Topics Geometry and Mesh Material Behavior Numerical Methods Composites Dynamics Submodeling Multiphysics Solvers User Interface
More informationORBIS MODERN ROLLING-ELEMENT BEARING ANALYSIS SOFTWARE
ORBIS MODERN ROLLING-ELEMENT BEARING ANALYSIS SOFTWARE OVERVIEW Introduction ORBIS is a computer program to solve the nonlinear elastic behavior of rollingelement ball bearings. The model considers each
More informationLab#5 Combined analysis types in ANSYS By C. Daley
Engineering 5003 - Ship Structures I Lab#5 Combined analysis types in ANSYS By C. Daley Overview In this lab we will model a simple pinned column using shell elements. Once again, we will use SpaceClaim
More informationCoustyx Tutorial Indirect Model
Coustyx Tutorial Indirect Model 1 Introduction This tutorial is created to outline the steps required to compute radiated noise from a gearbox housing using Coustyx software. Detailed steps are given on
More informationAbout the Author. Acknowledgements
About the Author Dr. Paul Kurowski obtained his M.Sc. and Ph.D. in Applied Mechanics from Warsaw Technical University. He completed postdoctoral work at Kyoto University. Dr. Kurowski is an Assistant Professor
More informationDesign and Dynamic Analysis of Wind Turbine Blade
Design and Dynamic Analysis of Wind Turbine Blade T.Krishnamurthy *, Y.Sesharao # PG Student, Department of Mechanical Engineering, QIS College of Engineering & Technology, Ongole, India * Professor, Department
More informationNew paradigm for MEMS+IC Co-development
New paradigm for MEMS+IC Co-development MEMS 진보된스마트세상을만듭니다. Worldwide First MEMS+IC Co-development Solution New paradigm for MEMS+IC Co-development A New Paradigm for MEMS+IC Development MEMS design
More informationStump the WBE Wizard. Mallett Technology Year End Meeting December 19,
Stump the WBE Wizard 1 How do you become an AWE Wizard? Rich Alferi, Respironics: Since I have been using WB for a while, I think I have had most of my questions answered through tech support and training
More informationABSTRACT OF THESIS A DEVELOPMENT OF A COMPUTER AIDED GRAPHIC USER INTERFACE POSTPROCESSOR FOR ROTOR BEARING SYSTEMS
ABSTRACT OF THESIS A DEVELOPMENT OF A COMPUTER AIDED GRAPHIC USER INTERFACE POSTPROCESSOR FOR ROTOR BEARING SYSTEMS Rotor dynamic analysis, which requires extensive amount of data and rigorous analytical
More informationAuto Injector Syringe. A Fluent Dynamic Mesh 1DOF Tutorial
Auto Injector Syringe A Fluent Dynamic Mesh 1DOF Tutorial 1 2015 ANSYS, Inc. June 26, 2015 Prerequisites This tutorial is written with the assumption that You have attended the Introduction to ANSYS Fluent
More informationSolving Large Complex Problems. Efficient and Smart Solutions for Large Models
Solving Large Complex Problems Efficient and Smart Solutions for Large Models 1 ANSYS Structural Mechanics Solutions offers several techniques 2 Current trends in simulation show an increased need for
More informationParametric. Practices. Patrick Cunningham. CAE Associates Inc. and ANSYS Inc. Proprietary 2012 CAE Associates Inc. and ANSYS Inc. All rights reserved.
Parametric Modeling Best Practices Patrick Cunningham July, 2012 CAE Associates Inc. and ANSYS Inc. Proprietary 2012 CAE Associates Inc. and ANSYS Inc. All rights reserved. E-Learning Webinar Series This
More informationCreo Simulate 3.0 Tutorial
Creo Simulate 3.0 Tutorial Structure and Thermal Roger Toogood, Ph.D., P. Eng. SDC PUBLICATIONS Better Textbooks. Lower Prices. www.sdcpublications.com Powered by TCPDF (www.tcpdf.org) Visit the following
More informationTime-Domain Dynamic Analysis of Helical Gears with Reduced Housing Model
2013-01-1898 Published 05/13/2013 Copyright 2013 SAE International doi:10.4271/2013-01-1898 saeaero.saejournals.org Time-Domain Dynamic Analysis of Helical Gears with Reduced Housing Model Vijaya Kumar
More information[ Ω 1 ] Diagonal matrix of system 2 (updated) eigenvalues [ Φ 1 ] System 1 modal matrix [ Φ 2 ] System 2 (updated) modal matrix Φ fb
Proceedings of the IMAC-XXVIII February 1 4, 2010, Jacksonville, Florida USA 2010 Society for Experimental Mechanics Inc. Modal Test Data Adjustment For Interface Compliance Ryan E. Tuttle, Member of the
More informationTurbocharger Design & Analysis Solutions. Bill Holmes Brad Hutchinson Detroit, October 2012
Turbocharger Design & Analysis Solutions Bill Holmes Brad Hutchinson Detroit, October 2012 Agenda ANSYS overview ANSYS TurboSystem Blade row solutions The ANSYS Transformation methods An example: turbocharger
More informationixcube 4-10 Brief introduction for membrane and cable systems.
ixcube 4-10 Brief introduction for membrane and cable systems. ixcube is the evolution of 20 years of R&D in the field of membrane structures so it takes a while to understand the basic features. You must
More informationFinite Element Analysis Using NEi Nastran
Appendix B Finite Element Analysis Using NEi Nastran B.1 INTRODUCTION NEi Nastran is engineering analysis and simulation software developed by Noran Engineering, Inc. NEi Nastran is a general purpose finite
More informationModule 3: Buckling of 1D Simply Supported Beam
Module : Buckling of 1D Simply Supported Beam Table of Contents Page Number Problem Description Theory Geometry 4 Preprocessor 7 Element Type 7 Real Constants and Material Properties 8 Meshing 9 Solution
More informationDynamic Analysis of A Full Hard Disk Drive Model
Page 1 of 23 Dynamic Analysis of A Full Hard Disk Drive Model Zhang Qide, Liu Ningyu, Ong Eng Hong and Kannan Sundaravadivelu Data Storage Institute, 5 Engineering Drive 1, Singapore 117608 Phone: +65-6874
More informationMANUAL COMPUTERS & STRUCTURES INC.
SAP2000 Integrated Finite Element Analysis and Design of Structures VERIFICATION MANUAL COMPUTERS & STRUCTURES INC. Computers and Structures, Inc. Berkeley, California, USA Version 6.1 Revised July 1997
More informationRandom Vibration Analysis of a Circuit Board. Sean Harvey August 2000 CSI Tip of the Week
Random Vibration Analysis of a Circuit Board Sean Harvey August 2000 CSI Tip of the Week Random Vibrations Outline Introduction Sample Problem Description Pre Processing Steps Omitted Interactive steps
More informationmidas NFX An insight into midas NFX
midas NFX An insight into midas NFX Total Analysis Solutions for Multi-disciplinary Optimum Design Part 1. Work environment Multi-disciplinary CAE solutions in one unique work environment 1 Part 1. Work
More informationSIMPACK Wind and Drivetrain Conference
Agenda Modeling Elements Shafts Bearings and Mounts Transmission Elements Gear Pair Flexible Bodies Rotorblades Aerodynamics Analysis Methods Resonance Analysis Transient Analysis Order Analysis Stress
More informationPreloads in LS-DYNA. Introduction Analysis Techniques (General) Dynamic Relaxation. Explicit Implicit. Bolt Preload Techniques
Preloads in LS-DYNA Introduction Analysis Techniques (General) Dynamic Relaxation Explicit Implicit Transient Explicit with Mass Damping Implicit Analysis Bolt Preload Techniques Thermal Interference Contact
More informationGuidelines for proper use of Plate elements
Guidelines for proper use of Plate elements In structural analysis using finite element method, the analysis model is created by dividing the entire structure into finite elements. This procedure is known
More informationSimLab 14.3 Release Notes
SimLab 14.3 Release Notes Highlights SimLab 14.0 introduced new graphical user interface and since then this has evolved continuously in subsequent versions. In addition, many new core features have been
More informationExample 24 Spring-back
Example 24 Spring-back Summary The spring-back simulation of sheet metal bent into a hat-shape is studied. The problem is one of the famous tests from the Numisheet 93. As spring-back is generally a quasi-static
More informationLS-DYNA s Linear Solver Development Phase1: Element Validation Part II
LS-DYNA s Linear Solver Development Phase1: Element Validation Part II Allen T. Li 1, Zhe Cui 2, Yun Huang 2 1 Ford Motor Company 2 Livermore Software Technology Corporation Abstract This paper continues
More informationBecome a Black Belt in ANSYS Workbench, Volume 3. We dedicate this book to God s Ecstatic Beauty and Beatific Love: Tripura Sundari
2 We dedicate this book to God s Ecstatic Beauty and Beatific Love: Tripura Sundari 3 Foreword Hi all! I held your hand in the first 2 volumes, now it s not the case anymore; this means that you need to
More informationModeling Skills Stress Analysis J.E. Akin, Rice University, Mech 417
Introduction Modeling Skills Stress Analysis J.E. Akin, Rice University, Mech 417 Most finite element analysis tasks involve utilizing commercial software, for which you do not have the source code. Thus,
More informationSpecial Software Development to Customize ANSYS for Specific Applications
Special Software Development to Customize ANSYS for Specific Applications Alexey I. Borovkov Denis V. Shevchenko Oleg A. Zakirov Computational Mechanics Laboratory, St.Petersburg State Polytechnical University,
More information3. Preprocessing of ABAQUS/CAE
3.1 Create new model database 3. Preprocessing of ABAQUS/CAE A finite element analysis in ABAQUS/CAE starts from create new model database in the toolbar. Then save it with a name user defined. To build
More informationDesign Optimization of a Weather Radar Antenna using Finite Element Analysis (FEA) and Computational Fluid Dynamics (CFD)
Design Optimization of a Weather Radar Antenna using Finite Element Analysis (FEA) and Computational Fluid Dynamics (CFD) Fernando Prevedello Regis Ataídes Nícolas Spogis Wagner Ortega Guedes Fabiano Armellini
More informationFinite Element Modal Analysis and Mesh Optimization of a Typical Turbo Fan Engine Fan Hub Frame
Finite Element Modal Analysis and Mesh Optimization of a Typical Turbo Fan Engine Fan Hub Frame Charles.G.Martin 1 and Dr. A. Arokkiaswamy 2 1,2 Department of Aeronautical Engg, DSCE, Shavige Malleshwara
More informationECE421: Electronics for Instrumentation
ECE421: Electronics for Instrumentation Lecture #8: Introduction to FEA & ANSYS Mostafa Soliman, Ph.D. March 23 rd 2015 Mostafa Soliman, Ph.D. 1 Outline Introduction to Finite Element Analysis Introduction
More informationModeling the Orientation-Dependent Dynamics of Machine Tools with Gimbal Heads
Modeling the Orientation-Dependent Dynamics of Machine Tools with Gimbal Heads Law, M. (a) 1 *; Grossi, N. (b); Scippa, A. (b); Phani, A. S. (a); Altintas, Y. (a) a) Department of Mechanical Engineering,
More informationGBTUL 1.0. Buckling and Vibration Analysis of Thin-Walled Members USER MANUAL. Rui Bebiano Nuno Silvestre Dinar Camotim
GBTUL 1.0 Buckling and Vibration Analysis of Thin-Walled Members USER MANUAL Rui Bebiano Nuno Silvestre Dinar Camotim Department of Civil Engineering and Architecture, DECivil/IST Technical University
More informationEmbedded Reinforcements
Embedded Reinforcements Gerd-Jan Schreppers, January 2015 Abstract: This paper explains the concept and application of embedded reinforcements in DIANA. Basic assumptions and definitions, the pre-processing
More informationManual. Ansys Exercise. Offshore Wind Farm Design
Manual for the Ansys Exercise Accompanying the Offshore Wind Farm Design Assignment Contents Contents... i 1. Introduction... 1 2. Brief Overview of ANSYS... 2 3. Overview of the input files for the ANSYS
More informationMADYN 2000 Version 3.6
- 1 MADYN 2000 Version 3.6 The following new features were introduced in version 3.6: 1. Automation of Analyses 2. New Radial Fluid Film Bearing Features 3. New Feature for Displacement Loads (Misalignment)
More informationAppendix A: Mesh Nonlinear Adaptivity. ANSYS Mechanical Introduction to Structural Nonlinearities
Appendix A: Mesh Nonlinear Adaptivity 16.0 Release ANSYS Mechanical Introduction to Structural Nonlinearities 1 2015 ANSYS, Inc. Mesh Nonlinear Adaptivity Introduction to Mesh Nonlinear Adaptivity Understanding
More informationLinear and Nonlinear Analysis of a Cantilever Beam
LESSON 1 Linear and Nonlinear Analysis of a Cantilever Beam P L Objectives: Create a beam database to be used for the specified subsequent exercises. Compare small vs. large displacement analysis. Linear
More informationLS-DYNA s Linear Solver Development Phase 2: Linear Solution Sequence
LS-DYNA s Linear Solver Development Phase 2: Linear Solution Sequence Allen T. Li 1, Zhe Cui 2, Yun Huang 2 1 Ford Motor Company 2 Livermore Software Technology Corporation Abstract This paper continues
More informationIntroduction to the Finite Element Method (3)
Introduction to the Finite Element Method (3) Petr Kabele Czech Technical University in Prague Faculty of Civil Engineering Czech Republic petr.kabele@fsv.cvut.cz people.fsv.cvut.cz/~pkabele 1 Outline
More informationModal and harmonic response analysis of key components of robotic arm based on ANSYS
Modal and harmonic response analysis of key components of robotic arm based on ANSYS Yadong Tang 1, Yongchang Yu 2, Jingzhao Shi 3, Shuaijun Zhang 4 College of Machinery and Electronic Engineering, Henan
More informationMulti-Step Analysis of a Cantilever Beam
LESSON 4 Multi-Step Analysis of a Cantilever Beam LEGEND 75000. 50000. 25000. 0. -25000. -50000. -75000. 0. 3.50 7.00 10.5 14.0 17.5 21.0 Objectives: Demonstrate multi-step analysis set up in MSC/Advanced_FEA.
More informationFinite element analysis of unbalance response of high-speed polygon mirror scanner motor considering the flexibility of the structure
Microsyst Technol (2) 15:162 1636 DOI 1.17/s542--63- TECHNICAL PAPER Finite element analysis of unbalance response of high-speed polygon mirror scanner motor considering the flexibility of the structure
More informationTutorial. BOSfluids. Water hammer (part 3) Dynamic Analysis using Caesar II
BOSfluids Tutorial Water hammer (part 3) Dynamic Analysis using Caesar II The Water hammer tutorial is a 3 part tutorial describing the phenomena of water hammer in a piping system and how BOSfluids can
More information3. Ball Screw Modal Analysis
Abstract Modal Analysis of Ball Screws in AOI Equipment Jian Zhang 1, Dan Xu 1, Ruiting Wang 1 and Fengjiao Wang 1, a 1 LUSTER LightTech Group, Suzhou, 215123, China. a fengjiaowang@lusterinc.com Ball
More informationLateral Loading of Suction Pile in 3D
Lateral Loading of Suction Pile in 3D Buoy Chain Sea Bed Suction Pile Integrated Solver Optimized for the next generation 64-bit platform Finite Element Solutions for Geotechnical Engineering 00 Overview
More information3D Finite Element Software for Cracks. Version 3.2. Benchmarks and Validation
3D Finite Element Software for Cracks Version 3.2 Benchmarks and Validation October 217 1965 57 th Court North, Suite 1 Boulder, CO 831 Main: (33) 415-1475 www.questintegrity.com http://www.questintegrity.com/software-products/feacrack
More informationAnalysis of Fluid-Structure Interaction Effects of Liquid-Filled Container under Drop Testing
Kasetsart J. (Nat. Sci.) 42 : 165-176 (2008) Analysis of Fluid-Structure Interaction Effects of Liquid-Filled Container under Drop Testing Chakrit Suvanjumrat*, Tumrong Puttapitukporn and Satjarthip Thusneyapan
More informationSet No. 1 IV B.Tech. I Semester Regular Examinations, November 2010 FINITE ELEMENT METHODS (Mechanical Engineering) Time: 3 Hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks
More informationA pipe bend is subjected to a concentrated force as shown: y All dimensions in inches. Material is stainless steel.
Problem description A pipe bend is subjected to a concentrated force as shown: y 15 12 P 9 Displacement gauge Cross-section: 0.432 18 x 6.625 All dimensions in inches. Material is stainless steel. E =
More informationChapter 3 Analysis of Original Steel Post
Chapter 3. Analysis of original steel post 35 Chapter 3 Analysis of Original Steel Post This type of post is a real functioning structure. It is in service throughout the rail network of Spain as part
More informationSOFTWARE. Sesam user course. 20 February 2017 Wadam - General wave load analysis. Ungraded SAFER, SMARTER, GREENER DNV GL 2014
SOFTWARE Sesam user course DNV GL 1 SAFER, SMARTER, GREENER Wave Analysis by Diffraction And Morison theory Computation of wave loads and global response 2 Diffraction & radiation theory Structural part
More informationIntroduction to ANSYS LS-DYNA
Lecture 12 Introduction to ANSYS LS-DYNA Extension 14.5 Release Introduction to ANSYS LS-DYNA 2012 ANSYS, Inc. November 8, 2012 1 Release 14.5 What is ANSYS LS-DYNA Extension ANSYS LS-DYNA in Workbench
More informationWhat s new in Femap 9.3
What s new in Femap 9.3 fact sheet www.ugs.com/femap Summary Femap version 9.3 is the latest release of UGS robust pre and post processor for engineering finite element analysis (FEA). Femap software is
More informationModule 1: Introduction to Finite Element Analysis. Lecture 4: Steps in Finite Element Analysis
25 Module 1: Introduction to Finite Element Analysis Lecture 4: Steps in Finite Element Analysis 1.4.1 Loading Conditions There are multiple loading conditions which may be applied to a system. The load
More informationMODELING AND PERFORMANCE INVESTIGATION OF A ROTOR WITH DISSIMILAR BEARING SUPPORT SYSTEM
MODELING AND PERFORMANCE INVESTIGATION OF A ROTOR WITH DISSIMILAR BEARING SUPPORT SYSTEM YUNLU LI Bachelor of Engineering in Mechanical Engineering Shenyang Institute of Technology, China July, 27 Submitted
More informationFigure Random vibration analysis of a simply supported beam
Example 6.5.8-1 [Spectrum Analysis] Determine the first two natural frequencies and the response of a damped two degree of freedom system subject to a random acceleration with a spectral density function
More information3D Coordinate Transformation Calculations. Space Truss Member
3D oordinate Transformation alculations Transformation of the element stiffness equations for a space frame member from the local to the global coordinate system can be accomplished as the product of three
More informationUsing ANSYS and CFX to Model Aluminum Reduction Cell since1984 and Beyond. Dr. Marc Dupuis
Using ANSYS and CFX to Model Aluminum Reduction Cell since1984 and Beyond Dr. Marc Dupuis 1980-84, 2D potroom ventilation model Physical model 1980-84, 2D potroom ventilation model Experimental results
More informationLIGO Scissors Table Static Test and Analysis Results
LIGO-T980125-00-D HYTEC-TN-LIGO-31 LIGO Scissors Table Static Test and Analysis Results Eric Swensen and Franz Biehl August 30, 1998 Abstract Static structural tests were conducted on the LIGO scissors
More informationThe Tooth Contact Analysis of a Heavy-load Planetary Gearing. Tan Xin 1, a
5th International Conference on Advanced Design and Manufacturing Engineering (ICADME 2015) The Tooth Contact Analysis of a Heavy-load Planetary Gearing Tan Xin 1, a 1 School of Electromechanical and Architectural
More informationBlade loss studies in low-pressure turbines from blade containment to controlled blade-shedding
Computational Methods and Experimental Measurements XIV 559 Blade loss studies in low-pressure turbines from blade containment to controlled blade-shedding R. Ortiz 1, M. Herran 2,3 & H. Chalons 2 1 Onera,
More informationPerformance of railway track system under harmonic loading by finite element method
Performance of railway track system under harmonic by finite element method Ammar Shuber 1, Mohammed Hamood 1, * and Walaa Jawad 1 1 Building and Construction Engineering Department, University of Technology,
More informationExtracting Relative Displacements in ANSYS Mechanical
Extracting Relative Displacements in ANSYS Mechanical Alex Grishin 3/1/2018 Strain-Based Displacement A recurring theme in ANSYS Technical Support queries involves the separation of rigid-body from material
More informationSpindle-Pro. Spindlpro.exe User Manual
Spindle-Pro Spindlpro.exe User Manual Manufacturing Automation Laboratories Inc. 2829 Highbury Street Vancouver, B.C. V6R 3T7 Canada Tel: (604) 228-9213 Fax: (604) 228-9269 E-mail: sales@malinc.com URL:
More informationAdvanced Multi-Body Modeling of Rotor Blades Validation and Application
Advanced Multi-Body Modeling of Rotor s Validation and Application For efficient wind turbine energy production, larger rotors are required for which slender blades with increased flexibility are often
More informationModal Analysis of Exhaust System to Optimize Mounting Hanger Location
Modal Analysis of Exhaust System to Optimize Mounting Hanger Location Chetan D. Gaonkar Assistant Professor, Mechanical Engineering Dpt., DBCE, Margao, Goa Abstract An exhaust system with a superior performance
More informationReport Generator. TITLE: Report Generator COMPANY ADRESS CITY COUNTRY. SUBJECT: User Guide Extension V AUTHOR: Magnus Gustafsson
COMPANY ADRESS CITY COUNTRY DATE: 2018-05-24 NO. of Pages 31 TITLE: SUBJECT: AUTHOR: Magnus Gustafsson PREPARED FOR: First Lastname Table of Contents 1. INTRODUCTION... 3 2. MODEL... 6 2.1. GEOMETRY...
More informationDesigning flapping wings as oscillating structures
th World Congress on Structural and Multidisciplinary Optimization May 9-4,, Orlando, Florida, USA Designing flapping wings as oscillating structures Zhiyuan Zhang, Ashok V. Kumar, Raphael T. Haftka University
More information