Gyvenimo aprašymas

Vardas ir pavardė Raimondas Čiegis
Išsilavinimas
Institucija Kvalifikacijos laipsnis, mokslo laipsnis, pedagoginis vardas Metai
Vilniaus universitetas matematikas, aukštasis išsilavinimas 1982
Lietuvos mokslo taryba daktaras 1985
Matematikos ir informacijos institutas habilituotas daktaras 1993
Vytauto Didžiojo universiteto senatas profesorius 1994
Svarbiausios publikacijos, monografijos, meno darbai, patentai
Mokslo kryptis Darbo pavadinimas ir aprašymas Metai
01P Čiegis Raimondas, Mirinavičius Aleksas, On some finite difference schemes for solution of hyperbolic heat conduction problems // Central European Journal of Mathematics, Warsaw : Versita. ISSN 1895-1074. Vol. 9, iss. 5 (2011) p. 1164-1170. 2011
01P, 07T Starikovičius Vadimas, Čiegis Raimondas, Iliev Oleg, A parallel solver for the design of oil filters // Mathematical modelling and analysis: the Baltic journal on mathematical applications, numerical analysis and differential equations, Vilnius : Technika.. ISSN 1392-6292. Vol. 16, no. 2 (2011) p. 326-341. 2011
01P Jankevičiūtė Gerda, Leonavičienė Teresė, Čiegis Raimondas, Pagrindinių komponenčių išskyrimo metodo taikymas kai kuriems parabolinio tipo uždaviniams // Lietuvos matematikos rinkinys, Vilnius : VU Matematikos ir informatikos institutas. ISSN 0132-2818. T. 53 (2012) p. 7-12. 2012
01P Čiegis Raimondas, Tumanova Natalija, Stability analysis of implicit finite-difference schemes for parabolic problems on graphs // Numerical Functional Analysis and Optimization, Philadelphia, USA : Taylor & Francis INC. ISSN 0163-0563. Vol. 33, iss. 1 (2012) p. 1-20. 2012
01P Printsypar Galina, Čiegis Raimondas, On convergence of a discrete problem describing transport processes in the pressing section of a paper machine including dynamic capillary effects: one-dimensional case // Journal of Computational and Applied Mathematics, Amsterdam : Elsevier Science BV. ISSN 0377-0427. Vol. 236, no. 14 (2012) p. 3409-3425. 2012
01P, 07T Bugajev Andrej, Čiegis Raimondas, Comparison of adaptive meshes for a singularly perturbed reaction - diffusion problem // Mathematical modelling and analysis, Vilnius : Technika. ISSN 1392-6292. Vol. 17, no. 5 (2012) p. 732-748. 2012
01P, 07T Čiegis Raimondas, Bugajev Andrej, Numerical approximation of one model of bacterial self-organization // Nonlinear analysis, Vilnius : Institute of Mathematics and Informatics. ISSN 1392-5113. Vol. 17, no.3 (2012) p. 253-270. 2012
01P Tumanova Natalija, Čiegis Raimondas, Predictor-corrector domain decomposition algorithm for parabolic problems on graphs // Mathematical modelling and analysis: The Baltic Journal on Mathematical Applications, Numerical Analysis and Differential Equations, Vilnius : Technika. ISSN 1392-6292. Vol. 17, no.1 (2012) p. 113-127. 2012
01P Čiegis Raimondas, Jankevičiūtė Gerda, Leonavičienė Teresė, Pagrindinių komponenčių išskyrimo metodo taikymas Šredingerio lygčiai // Lietuvos matematikos rinkinys, Vilnius : VU Matematikos ir informatikos institutas. ISSN 0132-2818. T. 54 (2013) p. [1-5]. 2013
01P Jankevičiūtė Gerda, Leonavičienė Teresė, Čiegis Raimondas, Bugajev Andrej, Reduced order models based on pod method for Schrödinger equations // Mathematical modelling and analysis, Vilnius : Technika. ISSN 1392-6292. Vol. 18, no. 5 (2013) p. 694-707. 2013
02P, 01P Kancleris Žilvinas, Šlekas Gediminas, Čiegis Raimondas, Sensitivity of asymmetrically necked planar millimeter-wave detectors // IEEE sensors journal, New York : IEEE Sensors Council. ISSN 1530-437X. Vol 13, no. 4 (2013) p. 1143-1147. 2013
01P Tumanova Natalija, Čiegis Raimondas, Meilūnas Mečislavas, Numerical analysis of nonlinear model of excited carrier decay // Central European Journal of Mathematics, Warsaw : Versita. ISSN 1895-1074. Vol. 11, iss.6 (2013) p. 1140-1152. 2013
01P Čiegis Raimondas, Mirinavičius Aleksas, Radziunas Mindaugas, Comparison of split step solvers for multidimensional Schrödinger problems // Computational methods in applied mathematics, Minsk: Institute of Mathematics of the National Academy of Sciences of Belarus. ISSN 1609-4840. Vol. 13, iss.2 (2013) p. 237-250. 2013
01P Radžiūnas Mindaugas, Čiegis Raimondas, Mirinavičius Aleksas, On compact high order finite difference schemes for linear Schrodinger problem on non-uniform meshes // International journal of numerical analysis & modeling, Wuhan : Wuhan University and Institute for Scientific Computing and Information. ISSN 1705-5105. Vol. 11, no. 2 (2014) p. 303-314. 2014
01P Čiegis Raimondas, Tumanova Natalija, On construction and analysis of finite difference schemes for pseudoparabolic problems with nonlocal boundary conditions // Mathematical modelling and analysis, Vilnius : Technika. ISSN 1392-6292. Vol. 19, no. 2 (2014) p. 281-297. 2014
01P Čiegis Raimondas, Jankevičiūtė Gerda, Leonavičienė Teresė, Mirinavičius Aleksas, On stability analysis of finite difference schemes for some parabolic problems with nonlocal boundary conditions // Numerical Functional Analysis and Optimization, Philadelphia, USA : Taylor & Francis INC. ISSN 0163-0563. Vol. 35, iss. 10 (2014) p. 1308-1327. 2014
01P Čiegis Raimondas, Suboč Olga, Bugajev Andrej, Parallel algorithms for three-dimensional parabolic and pseudoparabolic problems with different boundary conditions // Nonlinear analysis: modelling and control, Vilnius : Institute of Mathematics and Informatics. ISSN 1392-5113. Vol. 19, no. 3 (2014) p. 382-395. 2014
01P Radziunas Mindaugas, Čiegis Raimondas, Effective numerical algorithm for simulations of beam stabilization in broad area semiconductor lasers and amplifiers // Mathematical modelling and analysis, Vilnius : Technika. ISSN 1392-6292. Vol. 19, no. 5 (2014) p. 627-646. 2014
01P Gaspar Francisko, Rodrigo Carmen, Čiegis Raimondas, Mirinavičius Aleksas, Comparison of solvers for 2D Schrodinger problems // International Journal of Numerical Analysis & Modeling, Wuhan : Wuhan University and Institute for Scientific Computing and Information. ISSN 1705-5105. Vol. 11, no.1 (2014) p. 131-147. 2014
01P Bongo Lars Ailo, Čiegis Raimondas, Frasheri Neki, Gong Jing, Kimovski Dragi, Kropf Peter, Margenov Svetozar, Mihajlovic Milan, Neytcheva Maya, Rauber Thomas, Runger Gudula, Trobec Roman, Wuyts Roel, Wyrzykowski Roman, Applications for ultrascale computing // Supercomputing frontiers and innovations, Chelyabinsk : Publishing Center of South Ural State University. ISSN 2409-6008. Vol. 2, No. 1 (2015) p. 19-48. 2015
01P Amiranashvili Shalva, Čiegis Raimondas, Radžiūnas Mindaugas, Numerical methods for a class of generalized nonlinear Schrodinger equations // Kinetic and related models, Springfield : American Institute of Mathematical Sciences. ISSN 1937-5093. Vol. 8 iss. 2 (2015) p. 215-234. 2015
01P Karalienė Dovilė, Navickas Zenonas, Čiegis Raimondas, Ragulskis Minvydas, An extended Prony’s interpolation scheme on an equispaced grid // Open mathematics, Warsaw, Poland : DE GRUYTER OPEN. ISSN 2391-5455. Vol. 13, iss. 1 (2015) p. 333-347. 2015
Pagrindiniai metodiniai darbai
Metai Pavadinimas
2013 Leonavičienė Teresė, Čiegis Raimondas, Kirjackis Jevgenijus, Diferencialinės lygtys ir jų taikymas; ISBN 9786094574559 (2013), [psl.: 220]
Svarbiausi pranešimai konferencijose
Data Konferencijos ir pranešimo pavadinimas
2000-01-01 Čiegis Raimondas, Starikovičius Vadimas, Wasniewski Jerzy, Performance prediction tool for parallel Gaussian elimination algorithm // Finite Difference Schemes Theory and Applications, Vilnius : Institute of Mathematics and Informatics, 2000 p. 29-38.
2001-01-01 Čiegis Raimondas, Starikovičius Vadimas, Wasniewski Jerzy, On the efficiency of scheduling algorithms for parallel Gaussian elimination with communication delays // Applied Parallel Computing. New Paradigms for HPC in Industry and Academia, Heidelberg : Springer-Verlag. p. 74-81. [Duomenų bazės: ];
2001-01-01 Čiegis Remigijus, Čiegis Raimondas, "Ekologinės pėdos" koncepcijos taikymo galimybės ekonominiam aplinkos įvertinimui // Ekonomika ir vadyba - 2001. Kn. 3. Ekonomika, Kaunas : Technologija, 2001 p. 86-95.
2004-01-01 Čiegis Raimondas, Finite-difference schemes for a nonlinear parabolic problem with nonlocal boundary conditions // Integral Methods in Science and Engineering, Boston : Birkhäuser, 2004 p. 47-52. [Duomenų bazės: ];
2004-01-01 Čiegis Raimondas, Numerical algorithms for solving elliptic-parabolic problems // Numerical Mathematics and Advanced Applications, Berlin : Springer, 2004 p. 232-238. [Duomenų bazės: ];
2004-01-01 Čiegis Raimondas, Starikovičius Vadimas, Štikonas Artūras, Parameters identification for wood drying // Progress in Industrial Mathematics at ECMI 2002, Berlin : Springer, 2004 p. 107-111. [Duomenų bazės: ];
2004-01-01 Krylovas Aleksandras, Čiegis Raimondas, Examples of asymptotical analysis of hyperbolic equations // Progress in Industrial Mathematics at ECMI 2002, Berlin : Springer, 2004 p. 315-320. [Duomenų bazės: ];
2004-01-01 Čiegis Raimondas, Mathematical modeling is a source of novel mathematical problems // Progress in Industrial Mathematics at ECMI 2002, Berlin : Springer, 2004 p. 3-12. [Duomenų bazės: ];
2004-01-01 Štikonienė Olga, Čiegis Raimondas, Stankus A., A mathematical model of the cardiovascular system // Progress in Industrial Mathematics at ECMI 2002, Berlin : Springer, 2004 p. 381-385. [Duomenų bazės: ];
2004-01-01 Čiegis Raimondas, Baravykaitė Milda Marija, Belevičius Rimantas, Parallel global optimization of foundation schemes in civil engineering // Para'04, Lyngby, 2004 p. 157-162.
2005-01-01 Čiegis Raimondas, Jakušev Aleksandr, Suboč Olga, Nonlinear diffusion problems in image smoothing // 10th International Conference Mathematical Modelling and Analysis and 2nd International Conference Computational Methods in Applied Mathematics, Vilnius : Matematikos ir informatikos institutas, 2005 p. 381-388. [Duomenų bazės: MatSciNet];
2005-01-01 Čiegis Raimondas, Numerical schemes for 3D parabolic problem with non-local boundary condition // 17th IMACS World Congress Scientific Computation, Applied Mathematics and Simulation, Paris : IMACS, 2005 p. 1-4.
2005-01-01 Jakušev Aleksandr, Starikovičius Vadimas, Čiegis Raimondas, Application of parallel arrays for semiautomatic parallelization of flow in porous media problem solver // 10th International Conference Mathematical Modelling and Analysis and 2nd International Conference Computational Methods in Applied Mathematics, Vilnius : Matematikos ir informatikos institutas, 2005 p. 171-177. [Duomenų bazės: MatSciNet];
2005-01-01 Čiegis Raimondas, Ilglevičius Audrius, Liess H.-D., Meilūnas Mečislavas, Mathematical modelling of the heat tranfer in a multi-wire bundle // 10th International Conference Mathematical Modelling and Analysis and 2nd International Conference Computational Methods in Applied Mathematics, Vilnius : Matematikos ir informatikos institutas, 2005 p. 413-417. [Duomenų bazės: MatSciNet];
2005-01-01 Starikovičius Vadimas, Čiegis Raimondas, Šilko Galina, An evaluation of the performance of VGTU PC cluster // 10th International Conference Mathematical Modelling and Analysis and 2nd International Conference Computational Methods in Applied Mathematics, Vilnius : Matematikos ir informatikos institutas, 2005 p. 525-533. [Duomenų bazės: MatSciNet];
2007-01-01 Čiegis Raimondas, Baravykaitė Milda Marija, Implementation of a black-box global optimization algorithm with a parallel branch and bound template // Applied parallel computing. State of the art in scientific computing. 8th international workshop, PARA 2006, Umeå, Sweden, June 18-21, 2006: revised selected papers. Lecture Notes in Computer Science, Berlin : Springer. p. 1115-1125. [Duomenų bazės: SpringerLINK, ISI Proceedings];
2008-01-01 Dedering Michael, Stausberg Wolfgang, Iliev Oleg, Lakdawala Zahra, Čiegis Raimondas, Starikovičius Vadimas, On new challenges for CFD simulation in filtration // WFC 10. Discover the future of filtration & separation, Leipzig, 2008 p. 316-320.
2009-01-01 Dedering Michael, Iliev Oleg, Lakdawala Zahra, Čiegis Raimondas, Starikovičius Vadimas, Popov Peter, Advanced CFD simulation of filtration processes // International conference & exihibition for filtration and separation technology (FILTECH 2009), October 13-15, 2009, Rhein-Main-Hallen, Wiesbaden, Germany. Vol. I. Proceedings L-Sessions: survey lectures, Wiesbaden, 2009 p. 440-444.
2009-01-01 Jakušev Aleksandr, Čiegis Raimondas, Laukaitytė Inga, Trofimov Vyacheslav, Parallelization of linear algebra algorithms using ParSol library of mathematical objects // Parallel scientific computing and optimization: advances and application. Workshop of British and Lithuanian Scientists on High Performance Scientific Computing Druskininkai, LITHUANIA, FEB 05-08, 2008, New York : Springer, 2009 p. 25-36. [Duomenų bazės: SpringerLINK, Conference Proceedings Citation Index];
2009-01-01 Čiegis Raimondas, Gaspar Francisko, Rodrigo Carmen, Parallel multiblock multigrid algorithms for poroelastic models // Parallel scientific computing and optimization: advances and application. Workshop of British and Lithuanian Scientists on High Performance Scientific Computing Druskininkai, LITHUANIA, FEB 05-08, 2008, New York : Springer, 2009 p. 169-180. [Duomenų bazės: Conference Proceedings Citation Index, SpringerLINK];
2009-01-01 Jankevičiūtė Gerda, Čiegis Raimondas, Parallel numerical solver for the simulation of the heat conduction in electrical cables // Parallel scientific computing and optimization: advances and application. Workshop of British and Lithuanian Scientists on High Performance Scientific Computing Druskininkai, LITHUANIA, FEB 05-08, 2008, New York : Springer, 2009 p. 207-214. [Duomenų bazės: SpringerLINK, Conference Proceedings Citation Index];
2009-01-01 Starikovičius Vadimas, Čiegis Raimondas, Iliev Oleg, Lakdawala Zahra, A parallel solver for the 3D simulation of flows through oil filters // Parallel scientific computing and optimization: advances and application. Workshop of British and Lithuanian Scientists on High Performance Scientific Computing Druskininkai, LITHUANIA, FEB 05-08, 2008, New York : Springer, 2009 p. 181-191. [Duomenų bazės: SpringerLINK, Conference Proceedings Citation Index];
2009-01-01 Laukaitytė Inga, Čiegis Raimondas, Lichtner Mark, Radziunas Mindaugas, Parallel numerical algorithm for the traveling wave model // Parallel scientific computing and optimization: advances and application. Workshop of British and Lithuanian Scientists on High Performance Scientific Computing Druskininkai, LITHUANIA, FEB 05-08, 2008, New York : Springer, 2009 p. 237-253. [Duomenų bazės: SpringerLINK, Conference Proceedings Citation Index];
2010-01-01 Čiegis Raimondas, Laukaitytė Inga, Trofimov Vyacheslav, Parallel numerical algorithm for the simulation of counter propagation of two laser beams // Progress in Industrial Mathematics at ECMI 2008. 15th European Conference on Mathematics for Industry Univ Coll London, London, England, JUN 30-JUL 04, 2008, Springer Berlin Heidelberg, 2010 p. 771-776. [Duomenų bazės: SpringerLINK];
2010-01-01 Kancleris Žilvinas, Šlekas Gediminas, Čiegis Raimondas, Interaction of thin conductive sheets with TE10 electromagnetic wave in rectangular waveguide // 18th international conference on microwave, radar and wireless communications (MIKON-2010). 4th Microwave and radar week (MRW-2010). Vilnius, Lithuania, June 14-16, 2010, Vilnius : GEOZONDAS Ltd, 2010 p. 504-507. [Duomenų bazės: IEEE/IEE, Conference Proceedings Citation Index];
2010-01-01 Čiegis Raimondas, Kancleris Žilvinas, Šlekas Gediminas, Parallel numerical solver for modelling of electromagnetic properties of thin conductive layers // Parallel Processing and Applied Mathematics: 8th International Conference, PPAM 2009, Wroclaw, Poland, September 13-16, 2009, Berlin : Springer, 2010 p. 320-329. [Duomenų bazės: SpringerLINK, Conference Proceedings Citation Index];
2012-01-01 Čiegis Raimondas, Tumanova Natalija, Parallel algorithms for parabolic problems on graphs // Parallel processing and applied mathematics: 9th International Conference, PPAM 2011, Torun, Poland, September 11-14, 2011, Berlin : Springer, 2012 p. 333-342. [Duomenų bazės: Conference Proceedings Citation Index, SpringerLINK];
2013-01-01 Čiegis Raimondas, Bugajev Andrej, Parallel numerical algorithms for simulation of multidimensional ill-posed nonlinear diffusion-advection-reaction models // Applied Parallel and Scientific Computing, Berlin : Springer, 2013 p. 387-397. [Duomenų bazės: Conference Proceedings Citation Index, SpringerLINK];
2014-01-01 Čiegis Raimondas, Starikovičius Vadimas, Bugajev Andrej, On parallelization of the OpenFOAM-Based solver for the heat transfer in electrical power cables // Euro-Par 2014: Parallel Processing Workshops Euro-Par 2014 International Workshops, Porto, Portugal, August 25-26, 2014, Revised Selected Papers, Part I. Lecture Notes in Computer Science, Switzerland : Springer, 2014 p. 1-11. [Duomenų bazės: Conference Proceedings Citation Index, SpringerLINK];
2014-01-01 Čiegis Raimondas, Bugajev Andrej, Kancleris Žilvinas, Šlekas Gediminas, Parallel numerical algorithms for simulation of rectangular waveguides by using GPU // Parallel processing and applied mathematics, Berlin : Springer, 2014 p. 301-310. [Duomenų bazės: SpringerLINK, Conference Proceedings Citation Index];
2014-01-01 Radziunas Mindaugas, Čiegis Raimondas, Modeling and simulations of beam stabilization in edge-emitting broad area semiconductor devices // Parallel processing and applied mathematics, Berlin : Springer, 2014 p. 332-342. [Duomenų bazės: SpringerLINK, Conference Proceedings Citation Index];
2014-01-01 Čiegis Raimondas, Starikovičius Vadimas, Bugajev Andrej, On efficiency of the OpenFOAM-based parallel solver for the heat transfer in electrical power cables // Proceedings of the first international workshop on Sustainable Ultrascale Computing Systems (NESUS 2014), August 27-28, Porto, Portugal, 2014, Madrid : Computer Architecture,Communications, and Systems Group (ARCOS), 2014 p. 43-46.
2015-01-01 Čiegis Raimondas, Starikovičius Vadimas, Tumanova Natalija, Ragulskis Minvydas, Palivonaitė Rita, Visual cryptography, parallel algorithm, BOINC, parallel templates // Proceedings of the second international workshop on Sustainable Ultrascale Computing Systems (NESUS 2015), Krakow, Poland, September 10-11, 2015, Madrid : Computer Architecture,Communications, and Systems Group (ARCOS), 2015 p. 23-28.
Dėstomi studijų dalykai
Studijų pakopa Studijų dalykas
Antrosios pakopos Diferencialinių lygčių skaitiniai sprendimo metodai
Pirmosios pakopos Taikomoji funkcinė analizė
Pirmosios pakopos Specialieji skaitiniai metodai
Pirmosios pakopos Nekorektiškų uždavinių sprendimas
Pirmosios pakopos Algoritmų teorija
Kvalifikacijos tobulinimas (stažuotės, ilgesnės nei 2 savaitės; mokymai, seminarai, ne trumpesni nei 8 akad. val.; išvykos pagal mainų programas)
Institucija Šalis Tematika Laikotarpis
Kaizerslauterno technikos universitetas Vokietija mokslinis darbas 2007-2007
Dalyvavimas projektuose
Laikotarpis Projekto aprašymas
2002-2005 Energijos vartojimo optimizavimas popieriaus pramonėje, OPTPAPER
2006-2010 Elektros saugiklių ir laidų išdėstymo kabelių pluoštuose optimizavimas, OPTCABLES
2013-2015 Galios kabelių matematinis modeliavimas ir optimizavimas jų projektavimo metodikoms tobulinti, POWEROPT
2015-2017 Nestandartinių netiesinių Šredingerio tipo uždavinių skaitinis modeliavimas, NUMMOD