PROCEEDINGS

14th Canadian Congress of Applied Mechanics

COMPTES RENDUS

Le 14e Congrès Candien de Méchanique Appliquée

Volume 1

Editors / Editeurs

P. H. Oosthuizen and J. T, Paul

Queen's University :-i|ilUniversité Queers ^ft"^^L^

Kingston, Ontario» Canada

30 May to 4 aim 1953

du 30 mal au 4 juin 1993

TABLE OF CONTENTS

TABLE DES MATIERES

VOLUME I

Preface - Avant-Propos i

CANCAM Award - Prix CANCAM ui

Organizing Committee - Comité Organisateur v

Central Committee - Comité Centrale viî

KEYNOTE SPEAKERS - CONFERENCIERS INVITES

Parametric Vibration in Beams 3

Allan D. S. Barr

Axisymmetric Gas Jets: Surface Impingement Phenomena 10

R. H. PageModélisation Mathématique des Procèdes ThermoPhysiques 20

R.T. Bui

A Common-Sense Approach to Modelling and Experimentation in Biomechanics 25

J.B. FinlayEnergy - The New Realities

E. Philip Cockshutt 831

TECHNICAL PAPERS - COMMUNICATIONS TECHNIQUES

MANUFACTURING AND ROBOTICS

FABRICATION ET ROBOTIQUE

Manufacturing - Fabrication

Shape Adaptive Manufacturing 31

Bert Van Den BergTool Cutting Behaviour in Carbon and Glass Fiber Reinforced Plastic Turning 33

NX. Cupini, J.R. Ferreira

Application de la Statistique et du Krigeage dans L'extraction des Signatureset des Tendances d'un Groupe de Production Hydro-Electrique 35

Francois Leonard, Claude Poirier

Suivi de la Déformée en Operation de L'Arbre d'un Groupe de

Production Hydro-Electrique 37

Francois Leonard

Techniques and Case Analysis for Economie Raw Material Selection 39

Ruilin Chen, Doug Strong, Ostap Hawaleshka

Correlating Electrical Current of the Machine Tool and Tool Life in

Turning Process 41

D.U. Braga, A.E. Diniz, N. L. CupiniA New Method to Calculate Cost per Piece Based on the Contribution of

Machine Tolls in Cost Centres 43

P.A.C. Miguel, N. L. CupiniL'Amidec: Un Outil Pour L'Amélioration de la Conception et de la Fabrication

des Produits 45

A. Bouti, D. Ait Kadi, J.T. Agdebavi, D. Koffi, P. Le HuyHeat Transfer in Bar Rolling 47

J. Jeswiet

Open Architecture Numerical Controller - Opportunities for Research 49

P. Orban, B. van den BergA Knowledge-Based Approach for Achieving Assembly Tasks 51

Monjy Rabemanantsoa, Samuel Pierre

A Research Program in Design Theory and Computation 53

F.A. Salustri, R. D. Venter

The Laser Absorption in Continuous C02 Laser Assisted Machining:Some Results for Steel XC42 55

Li Juan Fan, Jean-Francois Gratias,Francois-Xavier DeContencin, Jean-paul Longuemard

Simulation du Formage de Profiles de Couverture-Bardage par Elements Finis

en Grandes Deformations Elasto-Plastiques Validation Expérimentale

par la Méthode du Moire 57

Marion Martiny-Weitig, Christian Auburtin, Michel Gueury Moire

Robotics - Robotique

Les Reseaux D'Apprentissage pour la Modélisation des Manipulateurs Redondants 59

S. Darenfed

Inverse Dynamic Analysis of Flexible Link Manipulators 61

F. Xi, R. G. Fenton

Velocity Analysis and Static Equilibrium of Parallel Manipulators 63

K. Bouanane, R. G. Fenton

Optimisation de L'archietecture Mécanique des Robots et Prise en Compte

des Pertes Articulaires Instantanées 65

C. Bop, D. Koffi, C. Laurent

A PC-Based Real Time Simulator for Teleoperated Machines with Redundancy 67

N. Singh, H. Zghal, N. Sepehri, S. Balakrishnan

1.

Méthode de Paramétrage des Chaines Articulées pour le Développement des Modèles

Directs de Robots 69

C Bop, D. Koffi, C. Laurent

Complete Stability of Planar Grasps 71

K. Bouanane, R. G. Fenton

Real-time Path Planning For Robotic Grasping of Moving Targets 73

E.A. Croft, B. Benhabib, R. G. Fenton

Conception Optimale de Préhenseurs Articules 75

Benyoucef Imcaoudene, Clement M. Gosselin

Compliance in Robotic Grasping: An Overview 77

Shahram Payandeh

Application of Variable Stiffness Control to a Robotic Arm 79

A. Warkentin, S. Eren Semercigil

Robot Selection Through Multiexpert Fuzzy Knowledge Acquisition System 81

Weigang Zhang, R. Radharamanan

Effect of Dynamic Load and Joint Flexibility on the Recursive Langrangian

Dynamics of Flexible Arm83

M. Habibnejad Korayem, A. Basu

Synthesis of Flexible Manipulator Dynamic Motions with Maximum Load

Carrying Capacities85

M. Habibnejad Korayem, A. Basu

Analysis of Application Possibilities of Industrial Robots to Measuring

and Control Tasks in Manufacturing Processes87

L. Nawara

Collision-Free Path Planning for an Assembly Robot89

Mingyuan Chen, Yan Leng

Continuous Path Planning for Flexible Manipulators 91

F. Xi, R. G. Fenton

Simulateur Dynamique Pour Manipulateurs a Topologie Variable 93

Clement M. Gosselin, Denis Faucher

A Remark on the Motion Study of Mobile Robots95

A. Hemami

Une Méthode Algebique Pour la Synthèse de Systèmes de Torseurs et Leur

Application a la Conception de Mécanismes Articules 97

Gabriela Danescu, Marc Dahan, Pierre Jacquet

Trajectory Tracking of a Flexible Robotic Arm99

Eric H. K. Fung, F.C. K. Cheung

Contrôleur Anticipatif Pour un Robot ayant une Articulation Elastique

et une Membrure Flexible101

K. Ziarati, Jean Claude Piedboeuf, R. Hurteau

The Control of Robot Trajectory Errors Using Time Series 103

Roger Boudreau, Edmund Biden

Contrôleur Stochastique pour Robots Sous-Marins105

B. Levesque

Initial Experiments on the UWO Flexible Manipulator107

A.S. Zaki, H. Mir, W.H. ElMaraghy

V

Fuzzy PD for Robot Control

Yasser ElDeeb, Ahmed Zaki, W.H. ElMaraghy

109

CAD/CAM CAO/FAO

3D Measurement and Geometric Modeling of Surfaces 111

Y. Jiang, J. C. Muller, D. R. Strong

Computer Aided Design of Mechanical Products of Various Shapes and Colours 113

Jie Shen, R. L. Kushwaha

Integration en Conception D'Un Système Automatique D'Assemblage 115

Christian Mascle

Fitting Nodes in Determination of Assembly Sequences 117

Christian Mascle

Automatic 3D-Mesh Generation in a Cad Environment 119

M. L. Moussaoui, G. Payre

Recognition of 3-D Objects 121

A. Z. Qamhiyah, B. Benhabib, R. D. Venter

3D Edge Determination in Reverse Engineering 125

L. Chate, Claire Lartigue, Pierre Bourdet

Identification de Pieces Planes - Application aux Sections de Profiles Pour

le Calcul de Caractéristiques Statiques 127

J. M. Birginie, Tanneguy Redarce, A. Jutard

DYNAMICS AND VIBRATIONS

DYNAMIQUE ET VIBRATIONS

Vibrations - Vibrations

The Free Vibration of Shallow Shells of Circular and Annular

Planform with Radial Slits 131

P. G. Young, S. M. Dickinson

Free Vibration Analysis of the Orthotropic Cantilever Plate

by the Method of Superposition 133

D. J. Gorman

Free Vibration of the Partially Clamped Cantilever Plate by the

Method of Superposition 135

D. J. Gorman, S. Fulford

Free Vibration Analysis of Thin Plates with In-Plane Forces 137

D. J. Michelussi, H. T. Saliba

Free Vibration Analysis of Antisymmetric Angle-Ply Laminated Composite Plates 139

Nong Li, S. Mirza

Free Vibration Analysis of laminated Doubly Curved Shallow Shells

Having Quadrilateral Boundaries 141

S. R. Raza, A.V. SinghFree Vibration of Hélicoïdal Plates 143

C. L. Ko

t\.

Stochastic Response of Linear Systems for Nonstationary Random Vibrations 145

Zhaochang Zheng, Zefang Xu, Ray P. S. Han

A Comparative Study of Vibration of Plates with Cutouts using the

Finite Element and Rayleigh Ritz Methods 147

A. Kaushal, R. B. Bhat

Response of an Elastic Halfspace to Suddenly Applied Rectangular Loading 149

Lo F. Guan, M. Novak

Free Vibration Analysis of Parellelogram Plates 151

S. Stangier, H. T. Saliba

Intelligent Structures-Application to Effect Active Vibration Attenuation 153

Denise S. StillingTwo-dimensional Cylindrical Squeeze Film Model with Transitions

To and From Solid Contact 155

Tong Zhou, Robert J. Rogers, Yong Lu

Numerical Analysis of Quasi-Linear Hysteretic Systems 157

Scott D. Dobson, Mohammad N. Noori, Robert P. Lipton

Multi Criterion Techniques for the Optimization of Rotors 159

V. Steffen, E. G. Assis

Development of NonLinear Hand-Arm Vibration Models 161

Raghu Gurram, S. Rakheja, Gerard Gouw

Nonlinear Dynamics of an Articulated Offshore Structure 163

A.W. Lipsett, Y. Wang

Application of the Stochastic Equivalent Linearization Technique for

Finite Element Analysis of Offshore Structures 165

Q. Liu, I.R. Orisamolu, M.W. Chemuka

Modeling of a Nonlinear Viscous Damping in Vibration Isolators 167

G. Popov, S. Sankar

A New Approach in Solving Some Linear and Nonlinear Vibration Problems 169

LiMing Dai, M.C. Singh

Dynamic Analysis of NonHomogenous Beams with Variable Thickness 171

Kai Yuam Yeh, Xiaohua Tong, F. P. J. Rimrott

Random Vibration Analysis of a Nonlinear Inertia Switch 173

Youming Li, Mohammad Noori, Zhikun Hou

Vibration Response of Rods With a Tip Mass Under Follower Forces 175

F. F. Afagh, J.X. Lee

Vibration of a Timoshenko Beam177

M.W.D. White, Glenn R. HepplerVibration of Triangular Orthotropic Plates

179

S. Mirza, Y. Alizadeh

A High Precision Triangular Plate Element for Flexural Vibration

and Stability Analysis181

B. Wang, C. W. S. To

Dynamics of a Variable Length Pendulum for Attenuating Vibrational Energy 183

Denise S Stilling, L. Glen Watson

5",

Vibration Characteristics of Timoshenko Beam-Columns on Two-Parameter

Elastic Foundations 185

T. Yokoyama, O. Mahrenholtz

Buckling and Vibration Characteristics of Rectangular Plates with Localized Flaw 187

P. K. Datta, D.L. Prabhakara

Shear Coefficient Sensitivity of the Second Spectrum Vibration Characteristics

of Thick Asymmetrical Turbine Blades 189

V. KaradagThe Dynamic Behaviour of an Industrial Building Under a Blast Load 191

Xiaojing Duan, V. Neis, B. SparlingIdentification of Vibrating Structures from Incomplete and Noisy Modal Data 193

G. M. L. Gladwell, H. Adhmadian

Mathematical Model of Sucker Rod String in the Inclined Well 195

S. A. Lukasiewicz

Evaluation of a Cushioned Handle Design for a Jack-Leg Rock Drill 197

T.N. Moore, E.M. De Souza

Dynamic Simulation of Darlington NGS Fuel String 199

Eric Nadeau

Finite Element Modelling of Gear Dynamics and Associated Impact Phenomena,Including Vibrations Wear and Other Resultant Damage 201P. Dabnishky, D. G. Gorman

A Strategy for Moving Mass Systems From One Point to Another without

Inducing Residual Vibration 203

B. H. Karnopp, B.O. Yoon

Horizontal-Vertical Response Spectra for El-Centro 1940 Earthquake 205

Ismail I. Orabi, Goodarz Ahmadi

Component Mode Synthesis for Damped Rotor Systems 207

W. Wang, J. KirkhopeChoatic FluidElastic Vibrations of a Pipe Conveying Fluid with an End Mass 209

M. P. Paidoussis, C. Semler

Vibration Damping of Console Processor 211

J. F. Bratt

Steady State Vibration of a Tube Conveying Fluid 213

Stacy L. Williams, John Peddieson Jr., Sastry Munukutla

Natural Frequencies of Fluid-Filled Orthotropic Cylindrical Shells 215C.B. Sharma, M. Darvizeh, A. DarvizehA Passive Vibration Controller For Flexible L-Structures 217T. Bailey, S. E. SemercigilEmploying Fluid Flow In A Cantilever Pipe For Vibration Control 219S. Lu, S. E. Semercigil, O. F. Turan

Dynamics - Dynamique

Analytical Solution of a Simple Rigid-Flexible Hybrid Dynamic System 221R. G. Langlois

C

Dynamics and Stability of N-body Tethered Satellite Systems Subjected to

Aerodynamic Forces 223

M. Keshmiri, Arun K. Misra

Partial Inertia Products in Deformable Gyros 225

F. P. J. Rimrott, A. Kessaris

A Feedback Control Approach to Dynamic Modelling of Multibody Systems 227

Y. Stepanenko, Yuchen Zhou

Vector Network Theory Applied to an Expert System Kinematics and

Dynamics Problem Solver 229

L. Lo, G.C. Andrews

Efficient Modelling of the Dynamics of Arbitrary Granular Particles 231

Caroline HogueOrder Reduction in Dynamic System Modelling 233

S. Atadan

Adaptive Time Schemes for Random Response Analysis of Nonlinear

Multi-Degree-of-Freedom Systems 235M. L. Liu, C. W. S. To

Simulation of Contact Joint in Mechanisms 237

P. I. Tzenov, T. S. Sankar

Theory of Stepped Conveyor 239

A. Czubak

Approximate Method for to Compute the Eigenvalues and Eigensensitivitiesof Mechanical Systems 241

Victor Florin Poterasu, Liliana Bejan

Flow Induced Vibrations -

Vibration Induite par L'Ecoulement

Computational 3D Solution of Navier-Stokes Equations for Annular Flows with

Moving Boundaries 243

A. Mekanik, D. Mateescu, M. P. Paidoussis

Predicting the Aeolian Vibration of Power Conductors 245

J. Vecchiarelli, I. G. Currie

Active Flutter Control of a Two Dimensional Airfoil with a Structural Nonlinearity 247

H. Alighanbari, S. J. Price

Wind Tunnel Tests of an Iced Bundled-Conductor Model 249

S. J. Zan, R. L. Wardlaw, P. StumpfVortex-Induced Oscillations of a Circular Cylinder Vibrating in

Different Incident Planes 251

D. Brika, A. Laneville

Etude de la Dynamique et de la Stabilité d'une Coque CylindriqueCirculaire en Ecoulement Parallèle Interne 253

M. S. Atali, A. Gakwaya, A. El Chebair

Critère D'Instabilité des Coques Cylindriques Exposées a un Ecoulement Externe 255

M. Mazouzi, A. Laneville

%

Routes to Chaos for an Articulated System in Axial Flow

M. P. Paidoussis, R. M. Botez

The Dynamics and Stability of Pinned-clamped Coaxial Cylindrical Shells

Conveying Viscous Flow 259

M. P. Paidoussis, B. Tain, A. K. Misra

Vibratory Characteristics of a Pipe with Two Phase Flow 261

D. G. Gorman, A. E. Adam, M. Liu

An Experimental Near Wake Study Of Oscillating Stranded Conductors 263

R. Zdero, O. F. Turan

Numerical Prediction Of Flows Around Oscillating Conductors 265

S. Lu, O. F. Turan

Vehicle Dynamics - Dynamique Vecigulaire

Impact Load Prediction in Railway Vehicle/Track System Using Finite

Element Method 267

R. Dong, S. Sankar, R. V. DukkipatiEstimation of the Entire Stability Domain of Snowmobiles 269

Zhaoheng Liu, Guy Payre, Bernard Marcos, Paul Bourassa

A Model Reduction Procedure for Dynamic Analyses of Rail Vehicles 271

J. McPhee, Ronald J, Anderson

Optimisation des Paramètres de Suspension d'un Véhicule en 3-D

en Utilisant la Méthode du Reseau Vectoriel 273

M. Bouazara, Marc J. Richard, S. RakhejaEffect of Synchronized External Load due to Rail Undulation on Railcar

Ride Performance 275

W. M. Szczygielski, F. P. J. Rimrott

Etude Théorique et Expérimentale de la Stabilité Dynamique des

Véhicules Articules 277

M. Khan, P Bourassa

Computer Simulation of Vehicle Impacts 279

Jerzy W. Wekezer

Gauge Theory of Deformable Bodies Under Large Overall Rotations 281

G.M. Feng, Y. F. Lu, Z. H. Qi

FLUID MECHANICS

MECANIQUE DES FLUIDES

Incompressible, Compressible and Multiphase Flow -

Ecoulements Incompressible, Compressible et Multiphases

Steady Asymmetric Flow Past A Cylinder 285

Serge J. D. D'Alessio, S. C. R. Dennis

I

Numerical Simulation of the Fluid Force Coefficients for a Circular

Cylinder Oscillating in a laminar Viscous Flow 287

B. Ghadiri Dehkordi, S. J. Price

Decay of a Vortex Ring 289

Mauricio Dziedzic, Hans J Leutheusser

An Exact Solution for the Fully Developed laminar Fluid Flow in an

Eccentric Annulus with a Moving Core 291

T. Shigechi, Y. Lee

The Numerical Analysis of Flow Fields in Pipes with Periodic Step Changes 293

Huiping Ma, D. W. Ruth

laminar Incompressible Flow Between a Stationary and a RotatingDisk with Radial Throughflow 295

H. Nesreddine, C. T. Nguyen, Dinh Vo-NgocLaminar Radially Outward Flow Between Finite Rotating Disks 297

G. Roy, Dinh Vo-Ngoc, C. T. NguyenNumerical Study of Solutal Convection During Dissolution and

Liquid Phase Epitaxial Growth of Silicon 299

N. Djilai, S. Dost, H. Erbay, S. ErbayLow Frequency Oscillations in BFS Flow by Variable Interval Spectral Averaging 301

A. K. Gupta, B. K. Ananda, M. M. Obérai

An Improved Explicit Algorithm for Simulation of Transient Advection Processes 303

A. Khelifa, Y. Ouellet, J.-L. Robert

Numerical Model of the Air Flow Through the Primary Air Ports

of a Kraft Recovery Boiler 305

T. Mao, D.C.S. Kuhn, H.N. Tran

Etude Expérimentale des Caractéristiques Statiques et Dynamiquesdu Profil NACA 63-612 A Faibles Nombres de Reynolds 307

A. Laneville, S. Clement

Fourth-Order-Accurate Algorithm for the Navier-Stokes Equationsand its Multiprocessor Implementation 309

J. Rokicki, J.M. FloryanComplete Numerical Simulation of Primary Jets for Kraft Recovery Boilers 311

Daniel Tse, Martha Salcudean, Ian Gartshore

Mixing and Vorticity Characteristics of a Row of Rectangular Jets

in a Confined Crossflow 313Daniel Tse, Ian Gartshore, Martha Salcudean

Mixing of Jets in Shallow Water 315

B.S. Pani, R.K. Barman

Effect of Leading Edge On Flow Around Wall-Cylinder Junction 317

S. C. Sharma, A. K. GuptaA Study of the Effects of Suction on the Taylor Instability With

Application to the Design of C^trifugal Filters 319

X. Dong, T.E. Base, A. MargaritisProcedure for Automating Wind Tunnel Measurements 321

P. Stumpf, Neil Popplewell, S. Balakrishnan

q.

Experimental Measurement of Average Drag Coefficent for Isolated

Surface Mounted Ribs 323

F. Khodabakhsh, Sastry Munukutla

On the Random Errors Associated with Hot-Wire/Film Measurements

in Nonisothermal Flows 325

S.A. Sherif

Experimental Consideration of Jet-Edge System 327

Akihiro Haga, Yutaka Hosoi

Reduction of Skin Drag Due to a Thin Layer of Air Near a Body 329

M. Rad, B. Firoozabadi, M. Tabatabaian

Analysis of the Squeezing Flow of Micropolar Fluids 331

M. H. Hamdan, M. T. Kamel

Linear Stability Theory Applied to 3D Compressible Laminar Boundary Layers 333

R. Martinuzzi, F. Lamarre, I. Paraschivoiu

Satellite Drop Formation in Low Pressure Atomization 335

R.W. Sellens, M.J. Olesen

An Investigation of Air Containing Propeller Stream Part I: Physical Modelling 337

Silong Wang, L.Y. Shih, C. C. HsiungAn Investigation of Air Containing Propeller Stream Part H:

Mathematical Modelling 339

Silong Wang, L.Y. Shih, C. C. HsiungHow Affine is Large Amplitude Oscillatory Shear 341

A. J. Giacomin, R.S. JeyaseelanModal Analysis of a Cylindrical of Liquid Storage Tank 343

M.R. Kruntcheva, D. G. Gorman, A.E. Adam

Power Consumption and Mixing Time in Rheologically Complex Fluids 345

A. Youcefi, H.C. Boisson, M. SengelinPrediction of Boundary Layer Behaviour on Inclined Planes in a

Subsonic Wind Tunnel 347

Sukritranjan Bhattacharya, Asis Mazumdar

Numerical Simulation of Non-Isothermal Turbulent Flow Over 3-D Mountain Ridges 349A.M.G. Lopes, A. C. M. Sousa, D.X. ViegasEcoulements Supersoniques par Elements Finis 351

Mohammed Boulerhcha, Dinh Nguyen, Gouri Dhatt, Yves SecretanEtude Expérimentale de L'Ecoulement Entre Deux Disques Parallèles 353

D. Brika

Wave Propagation in Transonic Flows About an Airfoil 355

Hong Jiang, B. H. K. Lee

The Flow of a Compressible Fluid Through Converging Orifices in Series 357G. P. Lemieux, J. E. D. Gauthier

Topological Study of the Vortical Flow Structure Generated byAircraft at High Incidence 359N. R. Valerio, B. H. K. Lee

Numerical Simulations of Blast Wave Propagation Induced by Eruption of Mt. Unzen 361T. Saito, T. Kinoshita, K. Takayama

AV>

Numerical Study of Shock Structure in Underexpanded Jet 363Yoko Sakakibara, Junjiro IwamotoHot-Wire Insensitivity Due To Structural Dynamics Of The Probe Wire 365G. Chukkapalli, O. F. Turan, S. E. SemercigillAn Experimental Investigation Of The Effect Of Aspect Ratio On

Cylinder End Wall Flow 367P. C. C. Tong, P. H. Oosthuizen

Evaluation of Interface Advection Algorithms for Free Boundary Problems 369

M. Naghashzadegan, J.D. BuggDusty Gas Flow Through Isotropic Granular Porous Media 371

M. H. Hamdan

Steady Plane Flows of Magnetic Fluids 373

S. Venkatsubramanian, P.N. Kaloni

The Diffusive Characteristics of a Rapid Flow of Uniform-Sized Particulates 375

R. Dai, S. B. SavageEtude Expérimentale de l'Ecoulement Ascendant a Travers un Lit

Sableux: Phénomène de Fluidisation 377

J. Mankoussou, A. Daif, J. Bresson, R. Barriol

The Prediction of Gas-Solid Two-Phase Flows with Particle-Particle Interactions 379

B. Oesterle

Flow of a Fluid/Particle Suspension in a Bend 381

Prasad Chodavarapu, John Peddieson Jr., Sastry Munukutla

Turbulence - Turbulence

Fluctuating Skin Friction in an 8° Conical Diffuser 383

R. W. Derksen, R. S. Azad

The Effect of Distorting the Coherent Structures in a Plane

Turbulent Porous-Body Wake 385

G. A. Kopp, J. G. Kawall, James F. Keffer

Turbulent flows with Co-existing Eddy Structures 387

B. Chebbi, S. Tavoularis

Prediction of Fully Developed Turbulent Flow in Simulated Rod

Bundle Subchannels 389

X. Wu, A. C. TruppModèle de Tension de Reynolds dans le Proche Sillage d'un Cylindre 391

Jean-Pierre Brassait, Pierre Florent

Effect of Screens on Turbulence Kinetic Energy and Dissipation 393

Sastry Munukutla, H. Shao, Stephen A. Idem, Steve G. Rochelle

Numerical Prediction of the Mean and Fluctuating Fields of a Heated

Plane Turbulent Jet in a Cross-Flow 395

W. Ni, J.G. Kawall, James F. Keffer

Conditional Coherent Structure Identification in a Three-Dimensional Wall Jet 397

M. Day, A. Pollard, P. Sullivan

-/f*t,

Vortex Shedding Behind an Elevated Round Turbulent Jet in a Crossflow 399

O.S. Eiff, J.G. Kawall, J. F. Keffer

Etude Expérimentale Sur la Reduction des Pertes de Charge dans

les Tuyaux au Moyen de "Riblets" 401

J. Léger, J.R. Longval, C. T. Nguyen, D. Vo-NgocEtude de L'Effet de la Variation de la Masse Volumique dans les

Jets Turbulents Rœtangulaires 403

B. Sarh, I. GokalpCharacteristic Features of the Turbulent, Separated Flow Region

Upstream of Surface-Mounted, Prismatic Obstacles 405

Robert Martinuzzi

Cloud Average Probability Density and its Application 407

P. J. Sullivan, Honglin Ye

A New Approach to Some Environmental "Dosage" Problems 409

P. J. Sullivan, W. K. Heagy

Hydraulics and Fluid Machinery -

Hydraulique et Marines Hydrauliques

Estimation of Uncertainty in the Total Pressure Loss Coefficient of

a Turbine Nozzle 411

W. E. Carscallen, R. Radmard

Flow Characteristics of Submerged Hydraulic Jumps 413

Jerry J. Fan, Hans J Leutheusser

Reouverture de la Lagune du Havre aux Basques: Modélisation

Numérique du Processus de Melange des Eaux 415

A. Khelifa, Y. Ouellet, J.-L. Robert

On the Wake Pressure Characteristics of Constrained Cavitating Bluff Bodies 417

A. S. Ramamurthy, R. Balachandar

Cavitation Inception Characteristics of Bluff Bodies 419

R. Balachandar, A. S. RamamurthyAnalysis of Surges Resulting from Ice Jam Releases 421

R. Saade, S. Sarraf

Control Volume Finite Modelling of Infiltration in a Semi-Arid to Arid Land 423

W. Saleh, Semaan Sarraf

Shape Effects on Resistance to Flow in Channels of Circular Cross

Section with Deposited Beds 425

C. Nalluri

Finite Analytic Solution of Seepage Flow Through a Dam 427

Okey Oseloka Okyejekwe

INDEX OF AUTHORS - INDEX DES AUTEURS

AI,