FACTA UNIVERSITATIS
SERIES MECHANICS, AUTOMATIC CONTROL AND ROBOTICS, Vol. 3, No 11, 2001


Contents
PREFACE
Ji-Huan He
DERIVATION OF GENERALIZED VARIATIONAL PRINCIPLES WITHOUT USING LAGRANGE MULTIPLIERS PART I: APPLICATIONS TO FLUID MECHANICS
Ji-Huan He
DERIVATION OF GENERALIZED VARIATIONAL PRINCIPLES WITHOUT USING LAGRANGE MULTIPLIERS PART II: APPLICATIONS TO SOLID MECHANICS
Ji-Huan He
DERIVATION OF GENERALIZED VARIATIONAL PRINCIPLES WITHOUT USING LAGRANGE MULTIPLIERS PART III: APPLICATIONS TO THERMOPIEZOELECTRICITY
Vladan D. Djordjević, Cvetko Crnojević
ON THE GAS LUBRICATION BY INJECTION THROUGH A PERMEABLE WALL
Miloš M. Jovanović
COMPUTATATION OF INCOMPRESSIBLE TURBULENT BOUNDARY LAYER 
WITH FAVORABLE AND ADVERSE PRESSURE GRADIENT AT HIGH REYNOLDS NUMBERS
Zoran Drašković
CONTRIBUTION TO THE DISCUSSION ON ABSOLUTE INTEGRATION 
OF DIFFERENTIAL EQUATIONS OF GEODESICS IN NON-EUCLIDEAN SPACE
D. Chebanov, N. Khlistunova
ON CONDITIONS OF EXISTENCE OF PERMANENT ROTATIONS 
OF THE CONNECTED RIGID BODIES SYSTEM ABOUT THE VERTICAL VECTOR
Ivan I. Cosenco
INTEGRAL METRICS WITH WEIGHT FUNCTIONS 
TO REGULARIZE SINGULARITIES NUMERICALLY
Julka Knežević-Miljanović
ASYMPTOTICAL PROPERTIES OF NONLINEAR DIFFERENTIAL EQUATION
A. Loskutov, A.B. Ryabov, L.G. Akinshin
ANALYSIS OF BILLIARDS WITH TIME-DEPENDENT BOUNDARIES
V.V. Malyshev, K.A. Karp
OPTIMAL PROBABILISTIC TRAJECTORY DESIGN OF NONLINEAR SYSTEM
Eberhard Malkowsky, Vesna Veličković
VISUALIZATION OF DIFFERENTIAL GEOMETRY
Ljubica S. Velimirović
CHANGE OF GEOMETRIC MAGNITUDES UNDER INFINITESIMAL BENDING
Dragi Radojević
THE MODIFICATION OF GODEL METRIC
Ivana Kovačić
A FIELD METHOD FOR SOLVING THE EQUATIONS OF MOTION OF EXCITED SYSTEMS
Sergej. V. Ugrimov, Natalia V. Smetankina, Natalia V. Dolgopolova
NON-STATIONARY VIBRATIONS OF MULTILAYER PLATES 
AND CYLINDRICAL SHELLS. DIFFERENT THEORIES
Dubravka Mijuca
A NEW PRIMAL-MIXED 3D FINITE ELEMENT
Mile Maksić
STABILITY OF THE FREELY SUPPORTED RECTANGULAR PLATE STRENGTHENED 
WITH THE TRANSVERZAL PROPPING IN THE PLASTIC RANGE
George T. Michaltsos
A SIMPLIFIED MODEL FOR THE DYNAMIC ANALYSIS OF CABLE - STAYED BRIDGES
Ai-Min Yu
EXPLICIT ANALYTICAL SOLUTION FOR THE SHEARING AND RADIAL STRESSES 
IN COMPOSITE CURVED BEAMS SUBJECTED TO UNSYMMETRICAL BENDING
Zoran Vosyka
A GEOMETRICAL FORMULATION OF DEFORMABILE MEDIA KINEMATICS
Nebojša V. Stojković, Predrag S. Stanimirović
INITIAL POINT IN PRIMAL-DUAL INTERIOR POINT METHOD
Dragan B. Jovanović, Milena B. Jovanović
STRESS STATE AND STRAIN ENERGY DISTRIBUTION AT THE VICINITY 
OF ELLIPTICAL CRACK WITH COMPRESSION FORCES ACTING ON IT'S CONTOUR
D. Lj. Debeljković, M. P. Lazarević, Dj. Koruga, S. A. Milinković, M. B. Jovanović, Lj. A. Jacić
FURTHER RESULTS ON NON - LYAPUNOV STABILITY 
OF THE LINEAR NONAUTONOMOUS SYSTEMS WITH DELAYED STATE
Č. Milosavljević, S. Lj. Rančić
SENSITIVITY MODEL FOR THE VARIABLE STRUCTURE SYSTEMS 
WITH VECTOR CONTROL ACTION
Michael Damianov Todorov
QUASILINEAR LONGITUDINAL STABILITY OF AN AIRCRAFT
Dečan Ivanović
THE SHEAR STRESS DISTRIBUTION OF UNSTEADY INCOMPRESSIBLE BOUNDARY LAYER 
IN DIFFUSER REGION ON POROUS CONTOUR
Dragoljub Vujić, Slobodan Radojković
DYNAMIC MODEL OF GAS PRESSURE REGULATOR
Ljubiša Tančić, Miloje Cvetković
NUMERICAL COMPUTATION OF UNSTEADY HEAT TRANSFER THROUGH POWDER GRAIN
Mihailo P. Lazarević
MATHEMATICAL MODELING AND CONTROL OF REDUNDANT ROBOTIC MANIPULATORS 
USING BIOLOGICAL ANALOG
Dušan Mikičić, Vlado Savanović
MECHANICAL INJURY OF THE HEAD CAUSED BY EXTERIOR FORCE
SYMPOSIUMS ON NONLINEAR MECHANICS IN YUGOSLAVIA
In Memoriam
MANE ŠAŠIĆ (1927-1996)