Reports of Enlarged Session of the Seminar of I. Vekua Institute of Applied Mathematics

Volume 8, # 3, 1993

This collection contains the reports which were delivered on April 21-23, 1993 at the section of Numerical Unalysis of enlarged session of the seminar of I. Vekua Institute of Applied Mathematics.

Chairman of section

- D. Gordeziani

Edited by

- E. Evseev

C O N T E N T S

**Aburhania G., Machabeli G.** Parametrical Stimulation of Electomagnetic Filds With Acoustic Waves in Ionosphere Before Earthquake.

**Bukhnikashvili I.** Optimal Itteration Sheme for the Approximately Solutions of Incompatbler Lineare System.

**Gordeziani D. **On a Dimensional Reducation Method for Some Linear Problems of Elastic Mixtures

**D. G. Gordeziani** **D.G. **On Nonlocal in Time Problems for Navier-Stokes Equations

**Gordeziani D., Gordeziani N. **On The Application of Decompositional Method to the Solution of Initial-Boundary Value Problems for Nonlinear Parabolic Equations with Mixed Derivatives

**Gubelidze G., Devdariani R. **On a Numerical Algorithm for Disclosing the Location of Large-Scale Accidental Gas Escape from the Complicated Gas Main

**Gvaramadze M., Kankia M., Peradze R.** Model of Lightening of Artificial Formation of Spherycal Shepe in Upper Atmospgerical C6onditions.

**Davitashvili T.D. **On the Convergence of Kinetic-Coordinated Difference Scheme of Gas Dynamics

**Davitashvili T., Sckhirtladze N.** The Iterative Method for Solving of the Piston Problem for Heat-Conducting Gas with Sources

**Davitashvili T. P.** On one Mathematical Model of Soil in Atmosphere.

Davitashvili T. P. Numerical Model of Transfering Radioactive Subsances in Mountainous Region.

**Iremadze N. **On a Difference Scheme for Charney Regularized Equation

**Kalandarishvili N.** On the Formal Systems for Lenguages Equivalence Transformations ( LET).

**Kaladze T., Kandelaki M., Tsamalashvili L., Shalamberidze L., Shapakidze D., Bigvava Z., Khelaia I. **Instability of Electric Waves in the Hunderstorm Cloud

**Meladze G., Jgamadze N. **Convergence of Difference Scheme for Two-Dimensional Gas Dynamic Equations

**Meladze G., Jgamadze N. **On Some Mathematical Models for Investigation of Wave Generation In Reservoirs

**Natsvlishvili Z., Sanikidze D. **On Some Approximate Processes for Cauchy Type Singular Integrals with Weight Functions

**Nikolaishvili Sh., Peradze R.** On Calculation of Photon Fields Inside of Non-Homogeneous Cylindrical Body Which is Explosured With Plane Stream of Sun Light.

**Papukashvili A. **Algorithms and Numerical Realizations for Approximate Solution of Some Linear Boundary Problems

**Peradze J.** On the Existense of Solution and Convergence of Approximately Methods for One-Dimentional Timoschenco’s Systems.

**Pkhakadze K. **Propositional I-Algebra and a Strongly Fictitious Variable in Propositional Algebra

**Jangveladze T., Tagvarelia T. **The Difference Scheme of the Type of Variable Directions for one System of Nonlinear Partial Differential Equations Arising in Biology

**Jashiashvili G., Nikolaishvili Sh.** Calculation of Gamma-Explosure’s Distribution Inside the Plane Fibres of Big Thickness.

**Jibuti M., Mosashvili N., Veliashvili N.** One PC Realisation of Some Problems of Optimal Control

**Jibuti M., Revishvili Sh., Mgeladze G.** Informatical Networcs Based on Telegraphical Commutaed Channels.

**Dzhishkariani** **A. **On the Method of Finite Elements