A MTA MŰSZAKI TUDOMÁNYOK OSZTÁLYÁNAK KÖZLEMÉNYEI 54. KÖTET (1977)

54. kötet / 1-2. szám - TARTALOMJEGYZÉK

CONTENTS Foreword 3 SECTION I. MECHANIC OF SOLIDS Arvay, K.—Györgyi, J.—Galaskó, Gy.: Application of the Method of Finite Elements in Planar Plastic Problems 5 Béres, E.: The Finite Deformation Theory 13 Bosznay, Â. : Application of the Method of Finite Elements for Eigenfrequency De­termination 23 Kaliszky, S.—Nédli, P.: A Simple Discrete Model of the Inhomogeneous Plastic Half-Plane and Half-Space 29 Kovács, M.—Richlik, Gy.—Takács, F. — Tóth, Gy.: Corrigable Delineation of the Eigen­frequencies of a Straight Rod of Variable Characteristics along its Length, and Performing Bending Oscillation 37 Páczeit, I.— Nándori, Fr.: Application of a Modified Method of Finite Elements Based on the Minimum Error Square Principle in Continuum Mechanics 43 Patkó, Gy. : Effect of the Parameter Variation of Finite Degree of Freedom Type Linear Vibration Systems on their Eigenfrequency 49 Szeidl, Gy.: Estimation of the Torsional Rigidity of a Bar of Heterogeneous Micropolar Material 57 Szekeres, A.: Some Numerical Results of the Thermal Impact Problem of Long Bars 65 Szervánszky, Gy. : Stability of Periodic Movements 75 Tassi, G.—Rózsa, P.: Examination of a Two-Phase Discrete Bar Model with the Relevant Discontinuities and Plastic Deformations taken into Consideration 81 Thamm, F.—Gáti, R.: Mechanical Tests Conducted in the Course of High-Voltage Cable Development 89 Uj, J. : Application of Spline Functions to Solve Planar Problems in the Field of Elasticity 101 SECTION II. MECHANIC OF STRUCTURES Ágoston, Gy. : Mechanical Examination of a Granulation Technology 109 Czeglédi, Gy. : Degree of Freedom Reduction and its Consequences in the Analysis of Linearly Elastic Structures 115 Draskóczy, A.: Nonlinear Calculation of Beat Reinforced Concrete Bar Elements by Collocation 125 Gáspár, Zs.: Precise Analysis of the Change of State of Elastic Bar Structures 137 Hegediis,I.: Intermittently Changing Boundary Conditionsof the Cross-Section of a Cylinder 143 Horváth, Gy.: Comparative Investigation of Shear Strength of Fine Sand in Undisturbed and Disturbed State 153 Iványi, M. : Experimental Test of the Plastic Plate Indentation of Compressed I-section Bars 165 Kabai, J.—Lazányi, I.: Improved Wing—Type Shearing Probe 171 Kálló, M.: Determination of the Eigenfrequency of Railway Bridges 179 Köröndi, L. : Applications of the Shear Stress Difference Method in Optical Stress Measure­ment Experiments 185 Ludvig, Gy.: Examination of Short Current Effects in Bunched Conductors 195 Marczal, L. — Soltész, P.—Jancsecz, S.: Application of a Calculation Method Based on a Combined Soil Sample for Designing Foundation Beams 203 Ordódy, M.: Inertial Non-Linearity of Machine Structures 215 Platthy, P.: Critical Fatigue Surface of the Transient Zone 221 Sebők, F.: Contribution to the Description of the Co-operation between the Elements of Fibre Reinforced Materials 227 Szalai, J.: Examination of Continuous Support Type Annuli 237 Szatmári, I. : Calculation of the Load Bearing Capacity of Non-Stiffened Thin Web Plates 245 Szépe, F.: The Problem of Reinforcement Plates 257 Szilágyi, Gy. : Application of the Finite Strip Method in the Case of Support Dis­placements 263 Tonika, P.: Limit Moment of I-Beams Loaded by Normal and Shear Forces 271 Vértes, Gy.:—Tornyos, Â.: Examination of Mixed Load Bearing Structural Buildings by a Horizontally Acting Dynamic Load 277

Next