


Since 1978 Published in Sarov (Arzamas16), Nizhegorodskaya oblast 
RUSSIAN FEDERAL NUCLEAR CENTER 
ALLRUSSIAN RESEARCH INSTITUTE OF EXPERIMENTAL PHYSICS 

Русский  English

PARALLELIZATION METHODS AND A PARALLEL PROGRAM FOR NUMERICAL SOLUTION OF THE 3D HEAT TRANSFER EQUATION USING DISTRIBUTED MEMORY COMPUTATIONAL SYSTEMS (CS). RESULTS OF NUMERICAL EXPERIMENTS ON MP3 CS AND MEIKO CS2
I.D. Sofronov, B.L. Voronin, O.I. Butnev, A.N. Bykov, S.I. Skrypnik, D. Nielsen, D. Novak, N. Medsen, R. Evans VANT. Ser.: Mat. Mod. Fiz. Proc 1996. Вып.4. С. 34.
Results of a parallelization effort as applied to 3D heat transfer computations are described. The basic approach to numerical solution of the systems of 3D implicit finitedifference equations is the method of directionbased splitting. Two fundamentally different approaches to the organization of the massively parallel computations were developed. Parallelization efficiencies of the developed algorithms obtained on the MP3 and Meiko computational systems are reported.
 NUMERICAL RESEARCH ON THE PARALLELIZATION ALGORITHMS FOR 3D NEUTRON DIFFUSION AND TRANSPORT COMPUTATIONS IN THE SATURN CODE ON MULTIPROCESSOR COMPUTERS
A.V. Alekseev, I.D. Sofronov, L.P. Fedotova, R.M. Shagaliev VANT. Ser.: Mat. Mod. Fiz. Proc 1996. Вып.4. С. 1623.
Parallelization algorithms for 3D group neutron diffusion and transport computations on distributedmemory multiprocessor computers implemented in the SATURN code are considered. We present the results of testing the parallelization algorithms on the homemade 8processor system MP3 and foreign distributedmemory multiprocessor systems (up to 256 processors) Cray T3D and IBM SP2.
 DOMAINBASED PARALLELIZATION OF CONTINUUM MECHANICS COMPUTATIONS ON THE MP3 8PROCESSOR DISTRIBUTEDMEMORY COMPUTER
I.D. Sofronov, Yu.A. Bondarenko, O.A. Vinokurov, V.V. Zmushko, F.A. Pletenev, P.V. Rybachenko, V.A. Saraev VANT. Ser.: Mat. Mod. Fiz. Proc 1996. Вып.4. С. 2428.
Parallelization techniques for an explicit and an implicit difference scheme are described. The explicit scheme was used for multidimensional gas dynamics equations, and the implicit scheme, for the 2D heat transfer equation. Computational results are reported.
 CONSTRUCTING DIFFERENCE SCHEMES FOR 2D UNSTEADY ELASTOPLASTIC FLOW COMPUTATIONS BASED ON THE LAW OF MUTUAL CONVERSION OF KINETIC AND INTERNAL ENERGY
V.I. Delov, O.V. Senilova, I.D. Sofronov VANT. Ser.: Mat. Mod. Fiz. Proc 1996. Вып.4. С. 6772.
An approach to the construction of conservative differentialdifference representations of equations to describe unsteady elastoplastic flows in Lagrangian variables is proposed. 2D axially symmetric motion of an isotropic elastoplastic medium is considered. Results of computations by a difference scheme of the second order of approximation in time obtained using the constructed differentialdifference equations of motion are reported.
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