Issue 2

JTAM, Sofia, vol. 9 Issue 2 (1978)

Institute of Mechanics and Biomechanics – Foundation and Structure

Editorial Board


JTAM, Sofia, vol. 9 Issue 2 pp. 009-010 (1978)


* * *

B.S. Razumihin
Research Institute for Systematic Analysis, 119034 Moskow, Rileeva Str. 29

JTAM, Sofia, vol. 9 Issue 2 pp. 011-016 (1978)


Resonance Vibrations in Machine Aggregates with Nonlinear Elastic and Kinematic Forces Applied and Inertial and Power Excitation Concerned

N.D. Mintchev, S. Kazandjiev
Higher Military Naval Academy "N. J. Vaptsarov", Varna

JTAM, Sofia, vol. 9 Issue 2 pp. 017-023 (1978)


On the Problem of Evaluation of Small Perimeters Values Concerning the Problem of Existence and Uniqueness of the Periodical Solution of Quasi Linear Nonautonomic Differential Equations of Neutral Type

M.M. Konstantinov, D.D. Bainov
Higher Institute of Mechanical and Electrical Engineering, Kv. Durvenitsa, Sofia

JTAM, Sofia, vol. 9 Issue 2 pp. 024-027 (1978)


On the Adaptive Control of Mechanical Systems

A.B. Kurjansky
Institute of Mathematics and Mechanics, UNC, Academy of Sciences of USSR, Sverdlovsk K – 66, 16 S. Kovalevska Str.

JTAM, Sofia, vol. 9 Issue 2 pp. 028-031 (1978)


The Significance of Mechanics of Solids and Media as Regards to Theory and Applications

P.M. Ogibalov1, D. Kolarov2, A. Baltov2
1State University of Moskow, Faculty of Mechanics and Mathematics, Mockow, USSR
2Institute of Mechanics and Biomechanics, Bulgarian Academy of Sciences, Acad. G. Bontchev Str., Bl. 8, 1113 Sofia

JTAM, Sofia, vol. 9 Issue 2 pp. 032-040 (1978)


On a Certain Quasi-Static Problem of Thermodiffusion in an Elastic Cylinder

K. Grysa, R. Szczepański
Poland, IMTP Poznanskei, Piotvovo 3, 61-138 Poznan

JTAM, Sofia, vol. 9 Issue 2 pp. 041-044 (1978), [Full Article]


Earthquake Resistant Reinforced Concrete Slabs

G.M. Mamedov
Institute of Civil Engineering of Azerbaidjan, Shabhazy Str. 5, Baku 370122, USSR

JTAM, Sofia, vol. 9 Issue 2 pp. 045-047 (1978)


The Influence of Surrounding Area Temperature on The Stability of Airsupplying Facilities

V.F. Trumbatchev1, M.M. Vialtsev2
13 Fersmana Str., Kv. 39, 117312 Moscow B- 312, USSR
2Shahty, Rostov Region Pl. V. I. Lenin, Polytechnical Institute of Novocherkask, USSR

JTAM, Sofia, vol. 9 Issue 2 pp. 048-051 (1978)


The Effect of Boundary Layer Breaking off on the Forming of Motion Regimes of a Shell Liquid System

N.A. Kiltchevsky1, L.M. Shalda2
151-53 Vladimirskaya Str. Kv. 83, Kiev, USSR
288 Vasilikovskaya Str. Kv. 8, Kiev 22, USSR

JTAM, Sofia, vol. 9 Issue 2 pp. 052-056 (1978)


Frequence Spectra of Turbulent Pulsations in an Axis Symmetric Turbulence Set Free Jet

K. Kuzov, A. Melikov, A. Dimitrov
Higher Institute of Mechanical and Electrical Engineering, Kv. Durvenitsa, Sofia

JTAM, Sofia, vol. 9 Issue 2 pp. 057-064 (1978)


Determining the Time of the Cutting Wave Pressure with Sudden Low Pressure Pump Activating Concerned

T.B. Djvarsheishvily
Polytechnical Institute of Georgia, 77 Lenin Str., Tbilisy 75, USSR

JTAM, Sofia, vol. 9 Issue 2 pp. 065-068 (1978)


Free Convection Effects on Oscillating Flow of an Elastico-Viscous Fluid Past an Infinite Vertical Plate with Variable Section

V.M. Soudalgekar, S.S. Santpur
Institute of Technology of India, Bombay, India

JTAM, Sofia, vol. 9 Issue 2 pp. 069-073 (1978), [Full Article]


Some Applied Aspects of Fluid Mechanics in Tubes

G.K. Nikolov1, I.S. Ivanov1, E.I. Iakovlev2
1Sofia, Damianitsa Str. 2, Institute of Water Problems, Bul. Acad. of Sci., Bl. 4
2Moscow Institute of Oil Chemistry and Gas Industry, Moscow, Leninsky Prospekt 65, USSR

JTAM, Sofia, vol. 9 Issue 2 pp. 074-076 (1978)


Shock Impact of Progressive Two Dimensional Potential Waves on a Vertical Wall

D. Damianov, P. Gradinarov
Higher Institute of Mechanical and Electrical Engineering, Varna

JTAM, Sofia, vol. 9 Issue 2 pp. 077-081 (1978)


Hollow Cylinder Contact Problem with Unilateral Bonds Concerned

S. Borshukova1, V.S. Nikishin2, G.S. Shapiro2
1Institute of Mathematics, Bul. Acad. of Sci., 1113 Sofia, P.O. Box 373
2Moscow Institute of Problems of Mechanics, Acad. of Sci. of the USSR

JTAM, Sofia, vol. 9 Issue 2 pp. 082-085 (1978)


Dynamical Form Working out of a Buckling Elasto-Plastic Rod

E.I. Harlamova1, D.D. Nikusheva2
1340050 Donetsk, Artema Str. USSR
2Institute of Mathematics, Bul. Acad. of Sci., 1113 Sofia, P.O. Box 373

JTAM, Sofia, vol. 9 Issue 2 pp. 086-090 (1978)


Problems of Optimal Design of Axially Symmetric Shells in Membrane State

J. Kruzelecki
IMMD, Technical University of Krakow, 24 Warszawska Str. Poland

JTAM, Sofia, vol. 9 Issue 2 pp. 091-095 (1978), [Full Article]


Transversal Oscillations of Straight Rods with Regular Singularity

V. Korošec
16 Grushka Str, 41000 Zagreb, Yugoslavia

JTAM, Sofia, vol. 9 Issue 2 pp. 096-099 (1978)


Stability of Cylindrical Shells in an Elastic Medium

J. Matoulek, Fr. Valenta
Suhbatarova Str. 4, 166 07 Praha, CSSR

JTAM, Sofia, vol. 9 Issue 2 pp. 100-103 (1978)


Dynamical Overturn Stability of a Circular Ring

R. Kjurktchiev, V. Aleksandrov
34 Pozitano Str., 1303 Sofia

JTAM, Sofia, vol. 9 Issue 2 pp. 104-106 (1978)


On the Application of the Finite Element Method to the Analysis of Axis – Symmetrically Loaded Round Disks with Elasto-Plastic Deformations Concerned

D.Hr. Hristov
19 Naiden Kirov Str., Ruse

JTAM, Sofia, vol. 9 Issue 2 pp. 107-112 (1978)


The Disclination Role in Plasticity and Fracture of Metals

V.A. Lihatchev
Faculty of Mathematics and Mechanics, Leningrad, USSR

JTAM, Sofia, vol. 9 Issue 2 pp. 113-116 (1978)


Application of Fracture Mechanics Criteria to Fatigue Crack Growth Analysis

S.E. Gurevitch, L.L. Edidovitch
Leninsky Pr. 49, Labor. 10, 117434 Moskow, USSR

JTAM, Sofia, vol. 9 Issue 2 pp. 117- (1978)