**№3(20), 2005**

**PROBLEMS OF MECHANICS**

**SUMMARIES**

PREDICTION OF COMPOSITE
MATERIAL’S** **DEFORMATION PROPERTIES
CONSIDERING PROCESSES RUNNING IN TIME. **L.
Okujava.** “Problems of Mechanics”. Tbilisi, 2005, № 3(20), pp. 7-13, (Engl.).

The
paper deals with the problem of prediction of composite material’s protracted
stress-strain level using the modified theory of ageing, when the character of
environmental factors acting on the polymer resin is known. Bibl. 1, Rngl.;
summ. in Russ.

The condition of
rectangular plates with rectangular cuts is intense- deformed.** ****G. Kipiani, N. Pailodze.**
“Problems of Mechanics”. Tbilisi,
2005, № 3(20), pp. 14-18, (Engl.).

In work the technique of definition of critical loading on plates with cuts and edges of the limited length, the parallel parties of a rectangular contour is stated. External loading can be as superficial, directed on norms, and plan metric. Bibl. 3. Engl.; summ. in Russ.

Calculation
in ordinary differential equations of double curvature inclined shell of
rectangular form.** ****R.
Tskhvedadze, T. Beridze. **“Problems
of Mechanics”. Tbilisi, 2005, № 3(20), pp. 19-23, (Engl.).

It is given the solution of problem of mechanics of continuum bodies by direct way, which gives the possibility, to develop the essence of the theory of shells by integrating differential equations. 4 ill. Bibl. 5. Engl.; summ. in Russ.

One Bitsadze-Samarsky type
non-local problem for spatial high order hyperbolic equations.** ****B. Midodashvili. **“Problems of Mechanics”. Tbilisi, 2005,

№ 3(20), pp. 24-27, (Engl.).

In this paper we consider one Bitsadze-Samarsky type problem for spatial high order hyperbolic equations with dominated low terms. The sufficient condition for unique solvability of mentioned problem is given. Bibl. 5. Engl.; summ. in Russ.

Formation
of stress function in the method of elements elimination.** ****Z. Antelidze, V. Lomidze. **“Problems of Mechanics”. Tbilisi, 2005, № 3(20), pp. 28-34, (Engl.).

In this
paper, the formation of stress function in the method of elements elimination is given. Two stages are considered. In the first stage the stress function
is represented in static boundary conditions at the left and right contours of
the element. In the second stage the terms with coefficients from previous
stage are preserved in the stress function and new components are added. 1 ill.
Bibl. 2. Engl.; summ. in Russ.

ABOUT FORMS OF FOLIATED CONSTRUCTION DESTRUCTION.** ****S. Bliadze,
M. Tsikarishvili, A. Davitadze, T. Kupatadze, G. Goguadze, B. Jikia. **“Problems of Mechanics”. Tbilisi,
2005, № 3(20), pp. 35-39, (Russ.).

In this paper are given main features of systems designing, consisting of various composite materials, this article also submits general description of foliated systems report models and their comparative analyze. In this article are given different types of destruction, their provoking reasons and the main parameters are stressed, that may cause foliated construction destruction. 9 ill. Bibl. 6. Russ.

The
theory of using growing materials by mechanisms with returning-entering movements**. ****R. Makharoblidze, I. Dzirkvadze. **“Problems of Mechanics”. Tbilisi,
2005, № 3(20), pp. 40-45, (Russ.).

Here are given calculating formulas of tension and density attached to condensing growing materials with mechanism of returning-entering movements considering their elastic-tough quality and parameters of working organs. The results of exploring may be used for making parameters of combine agricultural machines, dating example and direction of experimental investigation for specifying theory is given. Bibl. 4. Russ.

Theory
of Using Growing Materials by the Working Organs of Auger.** ****R. Makharoblidze, I. Dzirkvadze, R. Rusieshvili,
Z. Jorjoliani. **“Problems
of Mechanics”. Tbilisi, 2005,
№ 3(20), pp. 46-49, (Russ.).

Here are given calculating formulas of tension and density attached to the using of growing materials of the auger working organs considering their elastic-tough quality and parameters of working organs. The results of exploring may be used for making parameters of mobile and stationary auger pressers. Is given calculating parameters and direction of experimental investigation for specifying theory. Bibl. 2. Russ.

Technological
peculiarities of teA cultivation and mechanization of labor-consuming processes
in Georgia.** ****N.
Gabunia, N. Pkhakadze. **“Problems
of Mechanics”. Tbilisi, 2005, № 3(20), pp. 50-55, (Russ.).

The article defines the main geometrical parameters of cross-section of the espaliers, the technological peculiarities of tea cultivation in Georgia most effecting the level of mechanization of labor-consuming progresses, and respective recommendations for its raising. 4 ill. Bibl. 6. Russ.

The method of calculation
of the unsteady motion of automobiles with diesel engines.
**O. Gelashvili, I. Chkhetia. **“Problems
of Mechanics”. Tbilisi, 2005,

№ 3(20), pp. 56-60, (Russ.).

The method of calculation of the unsteady motion of automobiles is developed and the theoretical basis of construction of operational dynamic and fuel characteristics of automobile with diesel engines for the phase “acceleration-deceleration” is given. Bibl. 3. Russ.

Development of a logistic
system for control of automobile fuel consumption.** ****I.
Chkhetia, O. Gelashvili. **“Problems of Mechanics”. Tbilisi, 2005, № 3(20),

pp. 61-65, (Russ.).

The analysis of methods of normalization for the consumption of fuel of automobiles is considered and a new approach, which ensures reduction in consumption in operation, is proposed. The three-stage logistic system for the control of consumption of automobile fuel, which provides operational detection and elimination of the reasons for over-expenditure of automobile fuel, is developed. 1 ill. Bibl. 4. Russ.

Calculation
of thin-walled constructions of composite materials. **T.
Gegelashvili, L. Verulashvili. **“Problems
of Mechanics”. Tbilisi, 2005, № 3(20), pp. 66-70, (Russ.).

It is considered thin-walled
constructions of anisotropic materials. The attention is focused on usage of
computer in experimental data processing and in solving concrete
initial-boundary problems, arised at propagation of shock waves in composite
materials and constructions.

Nonsteady
heat transfer in a round pipe with small Peclet number.** V.
Tsutskiridze. **“Problems of
Mechanics”. Tbilisi, 2005, № 3(20), pp. 71-73, (Russ.).

A solution to the problem on nonsteady heat transfer in a round pipe with small Peclet number. A fluid velocity profile is found by the methods of integral transformations. Bibl. 6. Russ.

THE
BOUNDARY VALUE PROBLEMS FOR THE BALL IN ASSIMETRICAL THEORY.** ****M. Khmiadashvili, K. Skhvitaridze,
R. Bitsadze. **“Problems of Mechanics”. Tbilisi, 2005, № 3(20), pp. 74-79,
(Russ.).

It the paper by means of the representation of the solution of homologeneous static equations of the Cosserat continuum, is colved the boundary value problems for the ball in asymmetrical theory. The solutions of the boundary problems are given in the form of absolutely and uniformly convergent series. Bibl. 8. Russ.

THE RESEARCH
OF DYNAMIC CHARACTERISTICS OF CUTTING PROCESS AT TREATMENT OF CONSTRUCTIONAL
STEELS BY CUTTERS OF DIFFERENT MATERIALS.**
****A. Sahradyan. **“Problems
of Mechanics”. Tbilisi, 2005, № 3(20), pp. 80-88, (Russ.).

By the method of statistic planning the character and the impact level
of regime field parameters on dynamic
characteristics of cutting process at treatment of
constructional steel 45 by cutters of
high-speed steels P18, P9K5 and carbon-free high-speed alloys B11M7K23, B14M7K25. With the help of mathematic
processing of experiment’s results the power depentanizers of cutting forces
constituents on process parameters and the optimal valuables of power
characteristics for support of most gainful cutting mode are obtained. 3 ill.
Bibl. 5. Russ.

DECREASE OF DYNAMIC LOAD
IN ORE-GRINDING MILL ELECTRIC DRIVES.** M. ****Bagdasaryan. **“Problems of Mechanics”. Tbilisi,
2005, № 3(20), pp. 89-93, (Russ.).

The possibility of dynamic load decrease in electric-drive system of ore-grinding mill is examined in the work. Analytical dependence for defining dynamics coefficient is obtained and the task of optimization of dynamic load in the system is formed. The received results allow to minimize harmful dynamic loads and meanwhile provide the reliability of the system work. 1 ill. Bibl. 5. Russ.

Calculation on inclined
double curvature shell with holes.** ****M. Bibiluri. **“Problems of Mechanics”. Tbilisi,
2005, № 3(20), pp. 94-102, (Russ.).

It is considered an inclined double curvature shell with hole, strengthened with an inclined double curvature shell. Because the shells are of rectangular form the boundary of their joint has rectangular form. 1 ill. Bibl. 2. Russ.

Estimation of diagnostics
of technical systems and fitness for work.** M. Tsikarishvili, T. Kochiashvili. **“Problems of Mechanics”. Tbilisi,
2005, № 3(20), pp. 103-105, (Russ.).

The analysis of diagnostics of technical systems and the methods of control of fitness for work in combination with development of information-computer systems is given. 1 ill. Bibl. 2. Russ.

THEORETICAL INVESTIGATION OF THE RESISTANCE OF THE
DISPLACED LIQUID WHILE ATTRACTING MAGNETOHYDRAULIC PUSHER’S ROD.** S. Bitsadze, R. Bitsadze. **“Problems of
Mechanics”. Tbilisi, 2005, №
3(20), pp. 106-109, (Russ.).

In the paper by means of solution
of boundary value problem for the
Reynolds equation the resistance of the displaced liquid between
armature and core of the magnetohydraulic pusher’s electromagnet is determined.
1 ill. 2 Bibl. Russ.