XI National Seminar on Aerospace Structures
|
|
- Jeremy McDowell
- 5 years ago
- Views:
Transcription
1 XI National Seminar on Aerospace Structures 8-9 Febraury 2002 Theme Experimental Techniques and Testing Methods Editors R. Balasubramaniam P. D. Mangalgiri N.G.VijayaVittala Organised by Aeronautics Research & Development Board and National Aerospace Laboratories Bangalore " UNiVEhCuATS HA\'NO TFCHN!r INFORMAT! ON ;. \' i - ; U t lit "K \ OT!-:f7K Allied Publishers Pvt. Ltd. NEW DELHI MUMBAI CALCUTTA CHENNAI NAGPUR AHMEDABAD BANGALORE HYDERABAD LUC KNOW
2 Contents Foreword Preface ix xi Prof. C. V. Joga Rao Memorial Lecture 1 Mini and micro air vehicles 3 V. J. Sundaram Plenary Session 13 Some important considerations and applications of experimental investigations for design and condition assessment of structural components and systems 15 T.V.S.R. Apparao Role of testing in launch vehicle structure development in ISRO 16 A. R. Acharya Structural testing for combat aircraft development 17 A. R. Upadhya Invited Papers 41 NDE and failure analysis of landing gear components of air crafts 43 Baldev Raj Analysis of flight flutter test data using advanced modal parameter estimators 54 Herman Van der Auweraer. Antonio Vecchio and Bart Peelers Structural analysis and testing of HANSA-3 aircraft for JAR-VLA certification 62 S. Viswanath Structural features testing for composite aircraft structures 75 Prakash D Mangalgiri The role and methodology of fatigue testing in aircraft structural integrity 85 B. K. Parida Experimental techniques for testing and analysis of flight vehicles 98 K. Jayathirtha Rao Helicopter Dynamics 115 Dynamic load measurements on helicopter rotor blades of Russian origin 117 K. Venkatarman. R. Anuuigiri. Balakrishna and K. K. Brahma Helicopter flight testing for evaluation of performance handling qualities, load and dynamics 123 B. P. Rao Design, analysis, testing and qualification of ALH airframe. tail boom and empennage I.' K. K. Mathen and Krishna Holla iii
3 Development experience on vibration isolation system for advanced light helicopter (ALH) 136 K. S. Narayana Rao Testing of mair rotor blades of advanced light helicopter 144 C. V. Venugopalan, B. Ramakrishnayya, S. S. Halejol.G. Sathyaprakash and P. Paulraj Design and testing of rotor hub and rotor blades for a mini helicopter 153 C. Venkatesan, S. P. Otta, N. K. R. Gupta. G. K. Singh and Y. K. Singh Dealing with sum & difference frequencies in high speed rotating machinery 161 Sanjay Barad, R. K. Giridhar, T. N. Suresh and P. S. Kasthuri Rangan Spacecraft/Launch Vehicles 169 Algorithm for signal analysis during the satellite sine vibration test 171 Ramachandra. A. R. Prasanth, B. S. Jagadesh Babu, J. N. Hemanta Kumar and N. K. Mishra Multi-channel programmable low pass filter in sine vibration control loop 179 B. R. Nagendra, V. Ramesh Naidu, A. R. Prasanth, J. N. Hemanta Kumar and N. K. Mishra Experimental studies on the dynamics of spacecraft in the presence of rotating elements 186 S. Shankar Narayan and P. S. Nair Angular relationship between two co-ordinate systems in association with electronic co-ordinate determination system 194 H. N. Suresha Kumar and B. S. Nataraju Updating of finite element model of launch vehicle using artificial neural network 202 Sajan Daniel, T. Sundararajan, S. Pattabiraman and K. L. Handoo Win View software for analysis of launch vehicle vibration, acoustics and shock data 206 G. Muthuraman. R. Arunkumar and A. H. Shanavas insrtial force estimation on a typical nozzle actuator assembly of a launch vehicle 214 M. R. Rama Murthy, D. Sundararajan, Shashikala Rajappa, Annamma Samuel and S. Janardhanam Fatigue and Fracture 223 Fatigue crack growth and fracture behaviour of carbon steel elbows 225 P. K. Singh. K. K. Vaze. H. S. Kushwaha. D. M. Pukazhendi, D. S. Ramachandra Murthy and S. Seetharaman Fatigue testing of riveted fuselage lap joint 239 Ami Bakare. Kanchan Biswas and M. S. Nadgir Full-scale fatigue testing of welded structures 249 H. Sahu. M. Udhayakumar and P. Rajagopalan iv
4 Low cycle fatigue life evaluation of high pressure pipe lines in a gas turbine engine 260 N. Sarangi, P. S. Chandrashekar and D. Mehta Fracture behaviour of carbon steel straight pipe with through-wall crack under cyclic loading 267 D. Venu Kumar, S. Seetharaman, DM. Pukazhendhi, D. S. Ramachandra Murthy, K. Gupta Sunil, V. Bhasin, K. K. Vaze, and H. S. Kushwaha Experimental and numerical studies of surface cracks in fatigue in a finite width plate K. Patel, B. Dattaguru and K. Ramachandra A concept for simulation of flight loads on the wing of a fighter airframe in a full-scale fatigue test 283 K. E. Girish, H. Sreedhara, R. K. Puty and P. K. Dash Damage tolerance evaluation of an integrally stiffened wing bottom skin panel of a transport airframe 290 H. Sreedhara, K. E. Girish, R. K. Puty and P. K. Dash Fatigue meter used for life extension of aircraft using damage assessment technique 297 Chinmayee Madhavan Assessment of static fracture strain under tension by finite element method in DDQ steel sheet 305 Y. S. Parmar, D. K. Sehgal, A. N. Kumar and L Pesek Noise and Vibration Control and Smart Concepts 313 Experimental mechanics pave way for bio-mimetic structures 315 K. A. Jacob Active modal vibration control of a car structure using discrete PVDF actuators and sensors 329 R. Ajay Kumar, Lothar Gaul, S. Kamle Control of beam vibrations using dc magnets 335 A. Joshi Implementation of the frequency domain LMS adaptive filter in MATLAB for active vibration control application 340 Shashikala Prakash, R. Balasubramaniam and U. P. V. Subha Passive vibration control of plate-like structures using shunted piezoceramics 349 S. B. Kandagal and Kartik Venkatraman Strain sensing using fiber-optic interferometry 355 P. C. V. Sarveswara Rao, T. Kiran Kumar, Kartik Venkatraman and C. R. L Murthy Testing and evaluation of electrical and related properties of shape memory wires used in active shape control of aerofoils 362 G. N. Dayananda and V. Shankar
5 Active vibration control of a laminated composite beam with direct output feedback control Raja, M. R. Rama Murthy, D. Sundararajan, Shashikala Rajappa, S. Janardhanam and Annamma Samuel Composites 377 Experimental study of the behaviour of GFRP stiffened and unstiffened cylindrical shells 379 V. Kalyanraman, R. Pandia Raj, and Pramod Kumar Parate Three dimensional stress analysis of composites multibolted joints C. Natesan and S. Ananda Kumar Investigation of vibration of composite plates using multilayered PZT sensors 394 V. R. Rao, S. Kamle, Om Prakash and N. G. R. Iyengar Ballistic impact of composites: A review 399 N. K. Naik, B. Chaitanya Kumar Reddy and Kamada Rahul The flexural and torsional constant of honeycomb sandwich construction 405 M. V. Kannan, K. Badari Narayana, B. R. Ananda Murthy, K. Haridas and C. S. Varghese Acoustic fatigue testing of CFRP specimens 416 Saraswathi Krishna, K. K. Brahma, D. S. Ramakrishna and R. Balasubramaniam Effect of laminate thickness on dynamic interlaminar fracture toughness 424 Prashant Kumar, N. N. Kishore and R. Pandey Composite hollow shaft an alternative to metallic shaft for airborne applications 432 V! Arun Kumar S. Jana and R. Lakshminarasimha Mechanical characterization of pultruded rods: effect of process parameters 440 Anirudh Warman, N. Vikas Kumar and N. K. Naik Static indentation of composites: effect of flexure and boundary conditions 447 M. Kumar, S. Rajasekaran, T. S. Ramamurthy and M. Venkat Rao Experimental investigations on instability of GRP plates under edge loads 455 K. Subramanian and V. Vijayalakshmi Dynamic Testing and Model Analysis 465 Free vibration characteristics of steel containment structure experiment and analysis 467 Veto Varma, G. R. Reddy, K. K. Vaze. H. S. Kushwaha, Sandeep Singh. K. K. Meher, A. Rama Rao and M. K. Arora Random decrement technique for estimation of modal damping 474 R. Neetha, M. N. G. Elayathu and K. L. Handoo Estimation of joint rotation constant through dynamic testing 490 M. Vasudevan Unni, R. Arunkumar, M. Krishnamoorthy, G. Muthuraman R. Neetha and S. Rajendran VI
6 Dynamic testing and analysis of a typical automobile bracket 495 G. Giridhar, S. Vinod, M. P. Murali, T. V. Srinivas, B.Mahesh and D. S. Ramakrishna SRS testing using electrodynamic shakers 501 M. Madheswaran, J. N. Hemanta Kumar, and N. K. Mishra Multipoint excitation technique for ground resonance testing of aerospace vehicles 511 G. A. Srinivasa Murthy, K. Kishore Kumar, K. E. Kapadia and B. S. Sarma Dynamic analysis of aviation electronic package 519 K. Velmurugan, P. Anil Kumar, D. N. Varma, P. Ramachandran, G. Krishna Rao and K. Jaythirtha Rao Modal analysis test on cylindrical section with aviation electronic package 529 P. Anil Kumar, D. N. Varma, K. Velmurugan, P. Ramachandran, G. Krishna Rao and K. Jayathritha Rao Static Testing and NDT of Structures 543 Instrumentation and response measurement of aircraft landing gears during strength test 545 K. Ravisankar, T. Narayanan, K. Kesavan, S. Parivallal and R. Narayanan Approaches to ultrasonic non-destructive evaluation of composite aircraft components 553 V. Srinivasa, M. Ramesh Kumar, H. N. Sudheendra and M. R. Madhava Experimental validation of CORE-SEIS: code for seismic analysis of PFBR core 560 Alok Gupta, P. Chellapandi, and S. C. Chetal Optimisation of SG support junction for PFBR 569 R. Srinivasan, R. Sureshkumar, P. Chellapandi, and S. C. Chetal Testing and certification of an in-service trainer aircraft for performance improvement 577 V. K. Kalyanam, P. V. K. Perumal and R. K. Jain Instrumentation for (Static & Dynamic) Testing 589 On the development of an apparatus for static and dynamic testing 591 R. Samuel, M. V. Rao, K. Haridas, A. Ananthan Digital vibration controller for classical shock testing 598 G. Muthuraman, P. Balachandran, R. Arunkumar, A. H. Shanavas Use of multimedia PC in experimental structural dynamics 604 S. Sadasivan, R. Sundaramurthy, S. Ravi Sekar, R. Kathiravan and B. Anil Kumar Experimental determination of wind loads on 200 m tall three-tower blocks 608 N. Lakshmanan, S. Arunachalam, S. Selvi Rajan, Ramesh Babu, and J. Shanmugasundaram Colour plates 617 Author Index 629 vii
VIBRATORY STRESS ANALYSIS AND FATIGUE LIFE ESTIMATION OF TURBINE BLADE
VIBRATORY STRESS ANALYSIS AND FATIGUE LIFE ESTIMATION OF TURBINE BLADE By NALINAKSH S. VYAS A Thesis Submitted in fulfilment of the requirments of the degree of DOCTOR OF PHILOSOPHY. Z a xi UTE OR r o
More informationFatigue-Ratcheting Study of Pressurized Piping System under Seismic Load
Fatigue-Ratcheting Study of Pressurized Piping System under Seismic Load A. Ravi Kiran, M. K. Agrawal, G. R. Reddy, R. K. Singh, K. K. Vaze, A. K. Ghosh and H. S. Kushwaha Reactor Safety Division, Bhabha
More informationEnhancement of buckling load of thin plates using Piezoelectric actuators
Enhancement of buckling load of thin plates using Piezoelectric actuators R. Indira Priyadarshini a, C.Lakshmana Rao b, S.M.Siva Kumar b a) Master of Science by Research Student, Department of Applied
More informationDetermination of Stress Intensity Factor for a Crack Emanating From a Rivet Hole and Approaching Another in Curved Sheet
International OPEN ACCESS Journal Of Modern Engineering Research (IJMER) Determination of Stress Intensity Factor for a Crack Emanating From a Rivet Hole and Approaching Another in Curved Sheet Raghavendra.
More informationRANDOM VIBRATION ANALYSIS OF MECHANICAL HARDWARE OF FLIGHT DATA RECORDER
RANDOM VIBRATION ANALYSIS OF MECHANICAL HARDWARE OF FLIGHT DATA RECORDER Karteek Navuri 1, Eswara Kumar A. 2, Beulah Mani P. 1 and B. Satya Krishna 3 1 Department of Mechanical Engineering, V R Siddhartha
More informationWhat is the crack propagation rate for 7075-T6 aluminium alloy.
- 130 - APPENDIX 4A 100 QUESTIONS BASED ON SOURCE DOCUMENTS LISTED IN APPENDIX 4B 20-06 Magnitude of reductions in heat transfer on the nose region of a body when ablation of the surface takes place. (PI2002)
More informationAnalysis Of Naca 2412 For Automobile Rear Spoiler Using Composite Material *
Analysis Of Naca 2412 For Automobile Rear Spoiler Using Composite Material * Kamprasad Chodagudi 1, T.b.s Rao 2 -----------------------------------------------------------------------------------------------------------------------------
More informationTailoring of Vibration Test Specifications for a Flight Vehicle
Tailoring of Vibration Test Specifications for a Flight Vehicle Manoj Kumar, T. Narasirnha Rao, K. Jagadisan and K. Jayathirtha Rao Research Centre Zmarat, Hyderabad - 500 069 ABSTRACT Most equipment are
More informationDesign Structural Analysis and Fatigue Calculation of Wing Fuselage Lug Attachment of a Transport Aircraft
Design Structural Analysis and Fatigue Calculation of Wing Fuselage Lug Attachment of a Transport Aircraft Abraham J Pulickal Machine Design Department of Mechanical Engineering Malla Reddy College of
More informationbased on HBLS Smart Materials
Module 5: Sensors based on HBLS Smart Materials Bishakh Bhattacharya and Nachiketa Tiwari Dprt Department tof fmechanical lengineering Indian Institute of Technology, Kanpur Topics Covered in the Last
More informationCHARACTERIZATION, ANALYSIS AND PREDICTION OF DELAMINATION IN COMPOSITES USING FRACTURE MECHANICS
Oral Reference Number: ICF100942OR CHARACTERIZATION, ANALYSIS AND PREDICTION OF DELAMINATION IN COMPOSITES USING FRACTURE MECHANICS T. Kevin O Brien U.S. Army Research Laboratory Vehicle Technology Directorate
More informationAerospace Engineering undergraduate studies (course 2006)
Aerospace Engineering undergraduate studies (course 2006) The Bachelor of Science degree final exam problems and questions Specialization administrator: prof. Cezary Galiński Field of Study Aerospace Engineering
More informationInternal Structural Failure Analysis of Anisotropic. Composite Materials under External Solicitations. Using Smart Materials
Adv. Theor. Appl. Mech., Vol. 7, 2014, no. 1, 21-30 HIKARI Ltd, www.m-hikari.com http://dx.doi.org/10.12988/atam.2014.31022 Internal Structural Failure Analysis of Anisotropic Composite Materials under
More informationDesign of the Deployment Mechanism of Solar Array on a Small Satellite
American Journal of Mechanical Engineering, 2013, Vol. 1, No. 3, 66-72 Available online at http://pubs.sciepub.com/ajme/1/3/2 Science and Education Publishing DOI:10.12691/ajme-1-3-2 Design of the Deployment
More information1942. Effects of motion-induced aerodynamic force on the performance of active buffeting control
1942. Effects of motion-induced aerodynamic force on the performance of active buffeting control Jie Sun 1, Min Li 2 School of Aeronautic Science and Engineering, Beijing University of Aeronautics and
More informationScienceDirect. Response Spectrum Analysis of Printed Circuit Boards subjected to Shock Loads
Available online at www.sciencedirect.com ScienceDirect Procedia Engineering 144 (2016 ) 1469 1476 12th International Conference on Vibration Problems, ICOVP 2015 Response Spectrum Analysis of Printed
More informationIn Situ Ultrasonic NDT of Fracture and Fatigue in Composites
ECNDT 26 - Mo.2.6.5 In Situ Ultrasonic NDT of Fracture and Fatigue in Composites I. SOLODOV, K. PFLEIDERER, and G. BUSSE Institute for Polymer Testing and Polymer Science (IKP), Non-destructive Testing
More informationPiezoelectric sensing and actuation CEE575
Piezoelectric sensing and actuation CEE575 Sensor: Mechanical energy to electrical energy Actuator: Electrical energy converted to mechanical energy (motion) Materials For many years, natural crystals
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 - 8 Balancing Lecture - 1 Introduce To Rigid Rotor Balancing Till
More informationStrength Prediction Of Composite Laminate
Strength Prediction Of Composite te Prof. Yogananda. A 1, Mr. R. Vijayakumar 2 Assistant Professor, Department of Mechanical Engineering, East West Institute of Technology, Bangalore. Research Scholar,
More informationVIBRATION ENERGY FLOW IN WELDED CONNECTION OF PLATES. 1. Introduction
ARCHIVES OF ACOUSTICS 31, 4 (Supplement), 53 58 (2006) VIBRATION ENERGY FLOW IN WELDED CONNECTION OF PLATES J. CIEŚLIK, W. BOCHNIAK AGH University of Science and Technology Department of Robotics and Mechatronics
More informationHigh Cycle Fatigue Estimation of Aircraft Exhaust T50 Thermocouple Siddesha T 1 Dr. B Ravindra 2
IJSRD - International Journal for Scientific Research & Development Vol. 3, Issue 07, 2015 ISSN (online): 2321-0613 High Cycle Fatigue Estimation of Aircraft Exhaust T50 Thermocouple Siddesha T 1 Dr. B
More informationFundamentals of noise and Vibration analysis for engineers
Fundamentals of noise and Vibration analysis for engineers M.P.NORTON Department of Mechanical Engineering, University of Western Australia CAMBRIDGE UNIVERSITY PRESS Preface xii Acknowledgements xv Introductory
More informationTable of Contents. Preface...xvii. Part 1. Level
Preface...xvii Part 1. Level 1... 1 Chapter 1. The Basics of Linear Elastic Behavior... 3 1.1. Cohesion forces... 4 1.2. The notion of stress... 6 1.2.1. Definition... 6 1.2.2. Graphical representation...
More informationDamage Detection in Bolted Joints by Fibre Optics Distributed Sensing
2nd International Symposium on NDT in Aerospace 2010 - Mo.2.A.2 Damage Detection in Bolted Joints by Fibre Optics Distributed Sensing Alfredo GÜEMES 1*, Antonio FERNANDEZ-LOPEZ *1 Univ. Politecnica de
More informationDynamic Behaviour of the Rubber Isolator Under Heavy Static Loads in Aerospace Systems
Dynamic Behaviour of the Rubber Isolator Under Heavy Static Loads in Aerospace Systems Kanaparthi Sadhana 1, Suseela Tadiboyin 2, N V N Rao 3 1,2 Dept. of Mechanical, University College of Engineering
More informationTorsion of Solid Sections. Introduction
Introduction Torque is a common load in aircraft structures In torsion of circular sections, shear strain is a linear function of radial distance Plane sections are assumed to rotate as rigid bodies These
More informationEFFECT OF TAPER AND TWISTED BLADE IN STEAM TURBINES
EFFECT OF TAPER AND TWISTED BLADE IN STEAM TURBINES Tulsidas.D 1, M.Shantharaja 2 1 Department of Mechanical Engineering, Acharya Institute of Technology, Bangalore-560107, (India) 2 Department of Mechanical
More informationFatigue life. prediction of composites. and composite. structures. Vassilopoulos WOQDHEAD PUBLISHING LIMITED. Anastasios P. Cambridge New Delhi
Fatigue life prediction of composites and composite structures Anastasios P. Edited by Vassilopoulos CRC Press Boca Raton Boston New York Washington, DC WOQDHEAD PUBLISHING LIMITED Oxford Cambridge New
More informationMethods Based on the Phenomenon of Elastic Wave Propagation (Guided Waves) Interaction with Damage
Propagation (Guided Waves) Interaction with Damage Wieslaw Ostachowicz Polish Academy of Sciences Institute of Fluid Flow Machinery Department of Mechanics of Intelligent Structures 14 Fiszera Street 80231
More informationFacts of Piezo Impedance Technique in Crack Propagation Studies for a Engineering Structure
International Journal of Aerospace Sciences 2012, 1(2): 8-15 DOI: 10.5923/j.aerospace.20120102.01 Facts of Piezo Impedance Technique in Crack Propagation Studies for a Engineering Structure Venu Gopal
More informationI INTRODUCTION II THEORY
Estimation of Loss Factor of Viscoelastic Material by Using Cantilever Sandwich Plate 1 Jitender Kumar, 2 Dr. Rajesh Kumar 1 Geeta Engineering College (Panipat) 2 SLIET Longowal, Punjab 1 jitd2007@rediffmail.com
More informationDEPARTMENT OF AEROSPACE ENGINEERING, IIT MADRAS M.Tech. Curriculum
DEPARTMENT OF AEROSPACE ENGINEERING, IIT MADRAS M.Tech. Curriculum SEMESTER I AS5010 Engg. Aerodyn. & Flt. Mech. 3 0 0 3 AS5020 Elements of Gas Dyn. & Propln. 3 0 0 3 AS5030 Aircraft and Aerospace Structures
More informationFundamentals of Durability. Unrestricted Siemens AG 2013 All rights reserved. Siemens PLM Software
Fundamentals of Durability Page 1 Your single provider of solutions System simulation solutions 3D simulation solutions Test-based engineering solutions Engineering services - Deployment services Troubleshooting
More informationHarmonic Analysis Of Engine Crankshaft As A Fixed Beam
Harmonic Analysis Of Engine Crankshaft As A Fixed Beam R. B. Sharma 1, Vikas Sharma 2 & Yogendra S. Rajput 2 Asst. Prof. & Head, Mech. Engg., Dept., RustamJi Institute of Technology, Tekanpur, Gwalior,
More informationAir Breathing Engines and Aerospace Propulsion Proceedings of the Fourth National Conference
Air Breathing Engines and Aerospace Propulsion Proceedings of the Fourth National Conference 3-5 December 1998, Bangalore Under the auspices of National Committee for Air Breathing Engines (NCABE) Sponsored
More informationA Study on the Tube of Integral Propeller Shaft for the Rear-wheel Drive Automobile Using Carbon Composite Fiber
A Study on the Tube of Integral Propeller Shaft for the Rear-wheel Drive Automobile Using Carbon Composite Fiber Kibong Han Mechatronics Department, Jungwon University, 85 Munmu-ro, Goesan-gun, South Korea.
More informationPenn State Center for Acoustics and Vibration (CAV)
Penn State Center for Acoustics and Vibration () Structural Vibration and Acoustics Group Presented as part of the 2013 Spring workshop Stephen Hambric, Group Leader Marty Trethewey Stephen Conlon Andrew
More informationInternational Journal for Ignited Minds (IJIMIINDS) Design and Analysis of Effect of Core Thickness in UAV Wing
International Journal for Ignited Minds (IJIMIINDS) Design and Analysis of Effect of Core Thickness in UAV Wing Puttappa H R 1, Ravi Prakash M 2 & Madhusudhan Reddy 3 1 P G Scholar, Dept of Mechanical
More informationStress Intensity Factor Determination of Multiple Straight and Oblique Cracks in Double Cover Butt Riveted Joint
ISSN (Online) : 2319-8753 ISSN (Print) : 2347-671 International Journal of Innovative Research in Science, Engineering and Technology Volume 3, Special Issue 3, March 214 214 International Conference on
More informationStudy of coupling between bending and torsional vibration of cracked rotor system supported by radial active magnetic bearings
Applied and Computational Mechanics 1 (2007) 427-436 Study of coupling between bending and torsional vibration of cracked rotor system supported by radial active magnetic bearings P. Ferfecki a, * a Center
More informationDYNAMIC CHARACTERSTIC ESTIMATION OF STRUCTURAL MATERIALS BY MODAL ANALYSIS USING ANSYS
DYNAMIC CHARACTERSTIC ESTIMATION OF STRUCTURAL MATERIALS BY MODAL ANALYSIS USING ANSYS Syed Ayesha Yasmeen 1, Anatha Abhijit P 2, Dr.D.Srinivasa Rao 3 1, 2 Graduate Students, 3 Professor, Department of
More informationD : SOLID MECHANICS. Q. 1 Q. 9 carry one mark each.
GTE 2016 Q. 1 Q. 9 carry one mark each. D : SOLID MECHNICS Q.1 single degree of freedom vibrating system has mass of 5 kg, stiffness of 500 N/m and damping coefficient of 100 N-s/m. To make the system
More informationFatigue Crack Analysis on the Bracket of Sanding Nozzle of CRH5 EMU Bogie
Journal of Applied Mathematics and Physics, 2015, 3, 577-583 Published Online May 2015 in SciRes. http://www.scirp.org/journal/jamp http://dx.doi.org/10.4236/jamp.2015.35071 Fatigue Crack Analysis on the
More informationShear of Thin Walled Beams. Introduction
Introduction Apart from bending, shear is another potential structural failure mode of beams in aircraft For thin-walled beams subjected to shear, beam theory is based on assumptions applicable only to
More informationCommunication. Provides the interface between ground and the spacecraft Functions:
Telecomm Communication Provides the interface between ground and the spacecraft Functions: Lock onto the ground station signal (carrier tracking) Receive uplink and process it (command reception and detection)
More informationStudy of aluminum honeycomb sandwich composite structure for increased specific damping
Purdue University Purdue e-pubs Open Access Theses Theses and Dissertations Spring 2014 Study of aluminum honeycomb sandwich composite structure for increased specific damping Aditi S. Joshi Purdue University
More informationTHREE DIMENSIONAL STRESS ANALYSIS OF THE T BOLT JOINT
THREE DIMENSIONAL STRESS ANALYSIS OF THE T BOLT JOINT Víctor Martínez 1, Alfredo Güemes 2, Norbert Blanco 1, Josep Costa 1 1 Escola Politècnica Superior. Universitat de Girona. Girona, Spain (17071) 2
More informationSpecimen Geometry and Material Property Uncertainty Model for Probabilistic Fatigue Life Predictions
Specimen Geometry and Material Property Uncertainty Model for Probabilistic Fatigue Life Predictions Prakash Chandra Gope*, Sandeep Bhatt**, and Mohit Pant** *Associate Professor, Mechanical Engineering
More informationResearch Article Experiment and Simulation Investigation on the Tensile Behavior of Composite Laminate with Stitching Reinforcement
Modelling and Simulation in Engineering Volume 211, Article ID 23983, 1 pages doi:1.1155/211/23983 Research Article Eperiment and Simulation Investigation on the Tensile Behavior of Composite Laminate
More informationAirframe Structural Modeling and Design Optimization
Airframe Structural Modeling and Design Optimization Ramana V. Grandhi Distinguished Professor Department of Mechanical and Materials Engineering Wright State University VIM/ITRI Relevance Computational
More informationDESIGN AND ANALYSIS OF LIGHT WEIGHT MOTOR VEHICLE FLYWHEEL M.LAVAKUMAR #1, R.PRASANNA SRINIVAS* 2
International Journal of Computer Trends and Technology (IJCTT) volume 4 Issue 7 July 013 DESIGN AND ANALYSIS OF LIGHT WEIGHT MOTOR VEHICLE FLYWHEEL M.LAVAKUMAR #1, R.PRASANNA SRINIVAS* 1 Assistant Professor
More informationSummary AE1102: Materials & Structures
Summary AE1102: Materials & Structures Bram Peerlings B.Peerlings@student.tudelft.nl December 22, 2010 Based on Reader Materials & Structures (v. 21/12/2010) R. Alderliesten Chapter 1: Material Physics
More informationDAMPING CONTROL OF A PZT MULTILAYER VIBRATION USING NEGATIVE IMPEDANCE CIRCUIT
International Workshop SMART MATERIALS, STRUCTURES & NDT in AEROSPACE Conference NDT in Canada 2011 2-4 November 2011, Montreal, Quebec, Canada DAMPING CONTROL OF A PZT MULTILAYER VIBRATION USING NEGATIVE
More informationMECHANICS OF AERO-STRUCTURES
MECHANICS OF AERO-STRUCTURES Mechanics of Aero-structures is a concise textbook for students of aircraft structures, which covers aircraft loads and maneuvers, as well as torsion and bending of singlecell,
More informationTracker Tower 01 Prototype Test & Analysis Overview
Tracker Tower 01 Prototype Test & Analysis Overview Erik Swensen June 19, 2002 HPS-102070-0002 Test Background Design Philosophy: Tracker Tower 01 Prototype was used as an engineering evaluation model
More informationEstimation of Modal Density of idealized subsystem (Beam) by Theoretical, Experimental and FEM method.
Estimation of Modal Density of idealized subsystem (Beam) by Theoretical, Experimental and FEM method. Vrushali H. Patil Prof. N. S. Hanamapure M. E. Student Professor Tatyasaheb Kore Institute of Engineering
More informationPerformance evaluation of composite marine propeller using L 8 orthogonal array
Performance evaluation of composite marine propeller using L 8 orthogonal array S.Solomon Raj Dr.P.Ravinder Reddy 2. Assistant professor, department of mechanical engineering, chaitanya bharathi institute
More informationDELAMINATION CONTROL IN COMPOSITE BEAMS USING PIEZOELECTRIC ACTUATORS
DELAMINATION CONTROL IN COMPOSITE BEAMS USING PIEZOELECTRIC ACTUATORS L Iannucci 1, M S I Shaik Dawood 1,2,3, E Greenhalgh 1 and A K Ariffin 3 1 Aeronautics Department, Imperial College London, South Kensington
More informationDynamic Vibration Analysis of an Isolator
6th International Conference on Recent Trends in Engineering & Technology (ICRTET - 2018) Dynamic Vibration Analysis of an Isolator Mr.Ahire Mangesh Ambadas, Associate Professor,Department of Mechanical
More informationShafts: Torsion of Circular Shafts Reading: Crandall, Dahl and Lardner 6.2, 6.3
M9 Shafts: Torsion of Circular Shafts Reading: Crandall, Dahl and Lardner 6., 6.3 A shaft is a structural member which is long and slender and subject to a torque (moment) acting about its long axis. We
More informationUNIT- I Thin plate theory, Structural Instability:
UNIT- I Thin plate theory, Structural Instability: Analysis of thin rectangular plates subject to bending, twisting, distributed transverse load, combined bending and in-plane loading Thin plates having
More informationPRACTICE NO. PD-ED-1259 PREFERRED May 1996 RELIABILITY PAGE 1 OF 6 PRACTICES ACOUSTIC NOISE REQUIREMENT
PREFERRED May 1996 RELIABILITY PAGE 1 OF 6 PRACTICES Practice: Impose an acoustic noise requirement on spacecraft hardware design to ensure the structural integrity of the vehicle and its components in
More informationEffect of magnetostrictive material layer on the stress and deformation behaviour of laminated structure
IOP Conference Series: Materials Science and Engineering PAPER OPEN ACCESS Effect of magnetostrictive material layer on the stress and deformation behaviour of laminated structure To cite this article:
More informationVibrations in Mechanical Systems
Maurice Roseau Vibrations in Mechanical Systems Analytical Methods and Applications With 112 Figures Springer-Verlag Berlin Heidelberg New York London Paris Tokyo Contents Chapter I. Forced Vibrations
More informationNonlinear Acoustic NDT: Approaches, Methods, and Applications
Nonlinear Acoustic NDT: Approaches, Methods, and Applications Igor Solodov Department of Non-Destructive Testing, Institute of Polymer Technology (IKT), University of Stuttgart, Stuttgart, Germany 5th
More informationComputational Analysis for Composites
Computational Analysis for Composites Professor Johann Sienz and Dr. Tony Murmu Swansea University July, 011 The topics covered include: OUTLINE Overview of composites and their applications Micromechanics
More informationISSN: ISO 9001:2008 Certified International Journal of Engineering Science and Innovative Technology (IJESIT) Volume 2, Issue 4, July 2013
Delamination Studies in Fibre-Reinforced Polymer Composites K.Kantha Rao, Dr P. Shailesh, K. Vijay Kumar 1 Associate Professor, Narasimha Reddy Engineering College Hyderabad. 2 Professor, St. Peter s Engineering
More informationCalibration and Experimental Validation of LS-DYNA Composite Material Models by Multi Objective Optimization Techniques
9 th International LS-DYNA Users Conference Optimization Calibration and Experimental Validation of LS-DYNA Composite Material Models by Multi Objective Optimization Techniques Stefano Magistrali*, Marco
More informationRecent Research on Damage Detection Methods for Helicopter Rotor Systems
Recent Research on Damage Detection Methods for Helicopter Rotor Systems Prof. Ed Smith, Prof. Stephen Conlon, Aerospace Engineering Dept Prof. Kon-Well Wang Mechanical Engineering Dept Prof. Joe Rose,
More informationAnalysis of Enclosures and Anti Vibration Devices for Electronic Equipment for Space Applications
Analysis of Enclosures and Anti Vibration Devices for Electronic Equipment for Space Applications Abstract G.S. Aglietti, and C. Schwingshackl School of Engineering Sciences, Aeronautics and Astronautics,
More informationBUCKLING AND POSTBUCKLING ANALYSIS OF SHELLS UNDER QUASI-STATIC AND DYNAMIC LOADS
BUCKLING AND POSTBUCKLING ANALYSIS OF SHELLS UNDER QUASI-STATIC AND DYNAMIC LOADS R. Degenhardt, H. Klein, A. Kling, H. Temmen, R. Zimmermann DLR Institute of Structural Mechanics Lilienthalplatz 7, 388
More informationTHEME MAXILLOFACIAL UPDATE
5 TH ANNUAL CONFERENCE OF DELHI NCR CHAPTER OFAOMSI THEME MAXILLOFACIAL UPDATE DATE:-25 TH august2018 VENUE:-ESIC Dental College & Hospital, New Delhi Organizing Chairman :-Dr. Amit Bihari Lall Organizing
More informationVibration control of an elastic strip by a singular force
Sādhanā Vol. 35, Part 2, April 2010, pp. 233 240. Indian Academy of Sciences Vibration control of an elastic strip by a singular force EROL UZAL and BANU KORBAHTI Faculty of Engineering, Department of
More information[Dhotare S.A., 4(12): December, 2015] ISSN: Scientific Journal Impact Factor: (ISRA), Impact Factor: 1.852
[Dhotare S.A., 4(): December, 5] ISSN: 77-9655 (ISRA), Impact Factor:.85 IJESRT INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY VIRTUAL ANALYSIS OF EFFECT OF DAMPING IN DIFFERENT MATERIAL
More informationFull Scale Structural Durability Test Spectrum Reduction by Truncation Coupon Testing
Full Scale Structural Durability Test Spectrum Reduction by Truncation Coupon Testing Ogewu C. Agbese F-16/F-22 IFG Service Life Analysis Lockheed Martin Aeronautics Fort Worth, TX, USA ogewu.c.agbese@lmco.com
More informationComposite Structures- Modeling, FEA, Optimization and Diagnostics
Composite Structures- Modeling, FEA, Optimization and Diagnostics Ratan Jha Mechanical and Aeronautical Engineering Clarkson University, Potsdam, NY Composite Laminate Modeling Refined Higher Order Displacement
More informationVibration characteristics analysis of a centrifugal impeller
Vibration characteristics analysis of a centrifugal impeller Di Wang 1, Guihuo Luo 2, Fei Wang 3 Nanjing University of Aeronautics and Astronautics, College of Energy and Power Engineering, Nanjing 210016,
More informationBIAXIAL STRENGTH INVESTIGATION OF CFRP COMPOSITE LAMINATES BY USING CRUCIFORM SPECIMENS
BIAXIAL STRENGTH INVESTIGATION OF CFRP COMPOSITE LAMINATES BY USING CRUCIFORM SPECIMENS H. Kumazawa and T. Takatoya Airframes and Structures Group, Japan Aerospace Exploration Agency 6-13-1, Ohsawa, Mitaka,
More informationAE Source Orientation by Plate Wave Analysis * Michael R. Gorman Aeronautics and Astronautics Naval Postgraduate School Monterey, CA 93943
AE Source Orientation by Plate Wave Analysis * Michael R. Gorman Aeronautics and Astronautics Naval Postgraduate School Monterey, CA 93943 William H. Prosser NASA Langley Research Center Hampton, VA 23665
More informationAEROSPACE ENGINEERING
AEROSPACE ENGINEERING Subject Code: AE Course Structure Sections/Units Topics Section A Engineering Mathematics Topics (Core) 1 Linear Algebra 2 Calculus 3 Differential Equations 1 Fourier Series Topics
More informationIn this lecture you will learn the following
Module 9 : Forced Vibration with Harmonic Excitation; Undamped Systems and resonance; Viscously Damped Systems; Frequency Response Characteristics and Phase Lag; Systems with Base Excitation; Transmissibility
More informationStructural Health Monitoring Using Smart Piezoelectric Material
Structural Health Monitoring Using Smart Piezoelectric Material Kevin K Tseng and Liangsheng Wang Department of Civil and Environmental Engineering, Vanderbilt University Nashville, TN 37235, USA Abstract
More informationDynamic Analysis on Vibration Isolation of Hypersonic Vehicle Internal Systems
International Journal of Engineering Research and Technology. ISSN 0974-3154 Volume 6, Number 1 (2013), pp. 55-60 International Research Publication House http://www.irphouse.com Dynamic Analysis on Vibration
More informationNonlinear Considerations in Energy Harvesting
Nonlinear Considerations in Energy Harvesting Daniel J. Inman Alper Erturk* Amin Karami Center for Intelligent Material Systems and Structures Virginia Tech Blacksburg, VA 24061, USA dinman@vt.edu www.cimss.vt.edu
More informationLecture 9: Harmonic Loads (Con t)
Lecture 9: Harmonic Loads (Con t) Reading materials: Sections 3.4, 3.5, 3.6 and 3.7 1. Resonance The dynamic load magnification factor (DLF) The peak dynamic magnification occurs near r=1 for small damping
More informationMultiple Cracks Effects on Vibration Characteristics of Shaft Beam
International Journal of Engineering Research and General Science Volume 3, Issue, January-February, 205 Multiple Cracks Effects on Vibration Characteristics of Shaft Beam Prof. D. R. Satpute, Prof. S.
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 informationDamage detection of truss bridge via vibration data using TPC technique
Damage detection of truss bridge via vibration data using TPC technique Ahmed Noor AL-QAYYIM 1,2, Barlas Özden ÇAĞLAYAN 1 1 Faculty of Civil Engineering, Istanbul Technical University, Istanbul, Turkey
More informationINTERNATIONAL JOURNAL OF APPLIED ENGINEERING RESEARCH, DINDIGUL Volume 2, No 1, 2011
Interlaminar failure analysis of FRP cross ply laminate with elliptical cutout Venkateswara Rao.S 1, Sd. Abdul Kalam 1, Srilakshmi.S 1, Bala Krishna Murthy.V 2 1 Mechanical Engineering Department, P. V.
More informationSTRUCTURAL MODELS AND MECHANICAL TESTS IN THE DEVELOPMENT OF A COMMUNICATIONS SPACECRAFT
First Pan American Congress on Computational Mechanics PANACM 2015 April 27-29, 2015, Buenos Aires, Argentina STRUCTURAL MODELS AND MECHANICAL TESTS IN THE DEVELOPMENT OF A COMMUNICATIONS SPACECRAFT Santiago
More informationDurability and Survivability of Piezoelectric Wafer Active Sensors Mounted on Aluminum Structures for Aerospace Vehicle Health Monitoring
Durability and Survivability of Piezoelectric Wafer Active Sensors Mounted on Aluminum Structures for Aerospace Vehicle Health Monitoring Victor Giurgiutiu, Bin Lin, James Doane University of South Carolina
More informationFaculty of Mechanical Engineering, Technical University of Liberec Ph.D. Thesis Topics for academic year 2018/2019. Study programme: Applied Mechanics
Thesis Topics for academic year 2018/2019 Study programme: Applied Mechanics Téma disertační práce Školitel Katedra 1. Research on mechanical properties of vibration isolation materials, modelling and
More informationMechanical and Aerospace Engineering
The University of Alabama in Huntsville 1 Mechanical and Aerospace Engineering N274 Technology Hall Telephone: 256.824.6154 Email: mae@uah.edu Mechanical and Aerospace Programs Aerospace Engineering is
More informationElectromechanical Finite Element Modeling of Unstiffened Smart Steel Shear Walls (SSSWs)
Electromechanical Finite Element Modeling of Unstiffened Smart Steel Shear Walls (SSSWs) Y. Shahbazi 1, M. Eghbalian 2, M.R. Chenaghlou 3, K.Abedi 4 1- PhD Student of structural Engineering, Sahand University
More informationFORCE LIMITED VIBRATION TESTING OF CASSINI SPACECRAFT COSMIC DUST ANALYSER
FORCE LIMITED VIBRATION TESTING OF CASSINI SPACECRAFT COSMIC DUST ANALYSER Heiko Jahn*, Swen Ritzmann*, Kurng Chang**, Terry Scharton** * German Aerospace Research Establishment, Institute for Space Sensor
More informationTHE COMPLEX STIFFNESS METHOD OF DAMPING FOR CONSTRAINED DAMPING STRUCTURE WITH A STAND- OFF LAYER
U.P.B. Sci. Bull., Series D, Vol. 79, Iss. 4, 017 ISSN 1454-358 TE COMPLEX STIFFNESS METOD OF DAMPING FOR CONSTRAINED DAMPING STRUCTURE WIT A STAND- OFF LAYER Wenjun ZANG 1, Dagang SUN, Bijuan YAN 3, Zhanlong
More information: APPLIED MECHANICS & STRENGTH OF MATERIALS COURSE CODE : 4021 COURSE CATEGORY : A PERIODS/ WEEK : 5 PERIODS/ SEMESTER : 75 CREDIT : 5 TIME SCHEDULE
COURSE TITLE : APPLIED MECHANICS & STRENGTH OF MATERIALS COURSE CODE : 4021 COURSE CATEGORY : A PERIODS/ WEEK : 5 PERIODS/ SEMESTER : 75 CREDIT : 5 TIME SCHEDULE MODULE TOPIC PERIODS 1 Simple stresses
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 STUDY OF SOUND
More informationIOMAC' May Guimarães - Portugal IMPACT-SYNCHRONOUS MODAL ANALYSIS (ISMA) AN ATTEMPT TO FIND AN ALTERNATIVE
IOMAC'13 5 th International Operational Modal Analysis Conference 2013 May 13-15 Guimarães - Portugal IMPACT-SYNCHRONOUS MODAL ANALYSIS (ISMA) AN ATTEMPT TO FIND AN ALTERNATIVE Abdul Ghaffar Abdul Rahman
More information