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Parallel FDTD simulation using Task Parallel Library (TPL)

100%

Bolesta I. , Demchuk A.

Journal of Applied Computer Science

2016

tom Vol. 24, nr 2

7--16

The finite-difference time-domain (FDTD) is a numerical analysis technique used for solving computational electrodynamic problems. The nature of the FDTD method is that simulation of big and complicated electromagnetic field problems requires a vast amount of computer operational memory and runtime. Parallel-processing techniques have been broadly applied to FDTD to accelerate the simulations. The parallelism of the FDTD algorithm is based on a fact that the computational domain can be divided into parts (sub-domains), and each processor in a parallel system deals with one or several sub-domains. The FDTD algorithm belongs to data parallelism model and can be effectively implemented on shared memory system architecture. The parallel FDTD method was implemented using TPL library. The Task Parallel Library (TPL) is a library for .NET that makes easy to parallelize the program using the advantages of .NET Framework. The speedup metrics of parallel FDTD algorithm were calculated and compared with Amdahl’s estimated speedup.

Impedance spectroscopy studies of Ag2BI4 (B=Cd, Hg) fast ionic conductors

80%

Bolesta I. , Fafilek G. , Karbovnyk I.

2005

tom Vol. 10

65-70

Studies of CdI2-Bi3 microstructures with optical methods, atomic force microscopy and positron annihilation spectroscopy

70%

Karbovnyk I. , Bolesta I. , Rovetskii I. , Velgosh S. , Klym H.

Materials Science Poland

2014

tom Vol. 32, No. 3

391--395

Results of the comprehensive morphological study of CdI2–BiI3 layered crystals are presented. Direct AFM observations of micro- and nanostructures formed in the volume of the crystals confirm the predictions made on the basis of positron annihilation spectroscopy studies. The model explaining the possible pores formation mechanism is proposed and validated by the results of luminescence measurements at 8 K.