DETECTION OF AIR GAPS IN COPPER-MINE CEILING BY ELECTRICAL IMPEDANCE TOMOGRAPHY
Journal Title: Informatyka Automatyka Pomiary w Gospodarce i Ochronie Środowiska - Year 2017, Vol 7, Issue 1
Abstract
In this paper, we investigate the inverse problem for the electric field so-called copper mine problem. In general, this task assumes detection of all air gaps. Gaps are localised above ceiling in a copper mine. Such task can be considered as application of the electrical impedance tomography. In order to solve forward problem there was used the boundary element method or the finite element method. The inverse problem is based on the level set method. There was considered extension of boundary element method (BEM). For simplicity zero order approximation has been chosen. The BEM has been connected with the infinite boundary elements. Hence, open domain problems with infinite boundary curves can be analysed. For such domain, we have solved the Dirichlet problem for two-dimensional Laplace’s equation. The proposed numerical model has been verified.
Authors and Affiliations
Tomasz Rymarczyk, Paweł Tchórzewski, Jan Sikora
DEVELOPMENT AND RESEARCH OF CRYPTOGRAPHIC HASH FUNCTIONS BASED ON TWO-DIMENSIONAL CELLULAR AUTOMATA
Software solution for cryptographic hash functions based on sponge construction with inner state implemented as two-dimensional cellular automata (CA) has been developed. To perform pseudorandom permutation in round tran...
NUMERICAL LIBRARY USAGE IN BEM
Numerical library usage effectively reduce computation time and facilitate code programming. There are modified versions of popular BLAS and LAPACK libraries, dedicated to multi-core and distributed programming respectiv...
ROZWIĄZANIA KONSTRUKCYJNE MASZYN DO ODLEWANIA ROTACYJNEGO TWORZYW POLIMEROWYCH
Do produkcji wielkowymiarowych wytworów takich jak zbiorniki na wodę lub olej, pojemniki na odpady, przydomowe oczyszczalnie ścieków, kajaki, separatory, bariery drogowe i inne wykorzystuje się technologię odlewania rota...
ANOMALIE W MODELOWANIU PROCESÓW BIZNESOWYCH
W dziedzinie procesów biznesowych najbardziej popularne jest modelowanie Business Process Modeling Notation (BPMN). BPMN jest istotny z praktycznego punktu widzenia, a przy tym oferuje wiele wyzwań dla programistów i nau...
SMART GRIDS – GENERAL REVIEW OF SYNCHRONIZATION TECHNIQUES
This paper deals with crucial aspect of synchronization in modern power grids. It presents the concept of intelligent networks (“smart grids”), as the future of today’s grid infrastructure. The diversity of different gri...