Future developments National Supercomputing and Data Storage Center

Future developments National Supercomputing and Data Storage Center Project Objectives n e. Infrastructure development n n n Development of human resources n n n Providing Serbian researchers access to state of the art HPC resources Support for users of HPC resources Opening up new R&D venues n n Creating new jobs Training for HPC resources usage Collaboration and reintegration of specialists from Diaspora; forming the critical mass Attracting of young talent to the HPC field Increasing competitiveness of R&D sector n n Central supercomputing installation + network of regional centers Integration into pan-European initiatives Simulation of regional climate changes; developments in agricultural meteorology Integrity analysis, estimates of remaining lifetime of capital objects Applications in physical and material sciences; biomed applications Collaboration with industry Upcoming milestones n n n December 16, 2008 June 2009 August 2009 December 2009 Construction works finished 1 st National HPC conference First wave of procurement Промоција научног рада, Ниш

Granular materials (1) Large conglomerates of macroscopic inelastic particles Applications: Mining, Agriculture, Civil engineering, Chemical, Pharmaceutical. . . Goals n n construct statistical and fluid descriptions of cooperative phenomena in the dynamics of powders study relationship between the macroscopic behaviour of granular materials and their microstructures Recent results n S. B. Vrhovac, D. Arsenovic, and A. Belic, Phys. Rev. E 66, 051302 (2002). n S. B. Vrhovac and Z. M. Jaksic, J. Stat. Mech. : Theory and Experiment, P 06008 (2004). n Lj. Budinski-Petkovic, M. Petkovic, Z. M. Jaksic, and S. B. Vrhovac, Phys. Rev. E 72, 046118 (2005). n Lj. Budinski-Petkovic, and S. B. Vrhovac, Eur. Phys. J. E 16, 89 (2005). n S. B. Vrhovac, Z. M. Jakšić, Lj. Budinski-Petković, and A. Belić, Eur. Phys. J. B 53, 225232 (2006). n D. Arsenović, S. B. Vrhovac, Z. M. Jakšić, Lj. Budinski-Petković, and A. Belić, Phys. Rev. E 74, 061302 -14 (2006). n I. Lončarević, Lj. Budinski-Petković, and S. B. Vrhovac, Eur. Phys. J. E 24, 19 -26 (2007). n I. Lončarević, Lj. Budinski-Petković, and S. B. Vrhovac, Phys. Rev. E 76, 031104 -031104 -9 (2007). n Lj. Budinski-Petković, I. Lončarević, and S. B. Vrhovac, Phys. Rev. E 78, 061603 -061603 -7 (2008). December 16, 2008

Granular materials (2) n December 16, 2008 Time evolution of the density during the compaction

Granular materials (3) n December 16, 2008 Time dependence of the connectivity numbers

Granular materials (4) n December 16, 2008 Evolution of a bridge

Path integrals (1) Most economical way to write down a quantum theory n Applications: physics, chemistry, materials n Goal: devise O(N-p) algorithm n Previous state of the art: O(N-4) for the trace and O(N-2) for amplitude n Tricks: use analytical information from generalized Euler summation formula invent a set of effective actions S(p) with the same continuum limit Recent results: n A. Bogojevic, A. Balaz, and A. Belic, Phys. Rev. Lett. 94, 180403 (2005). n A. Bogojevic, A. Balaz, and A. Belic, Phys. Rev. B 72, 064302 (2005). n A. Bogojevic, A. Balaz, and A. Belic, Phys. Lett. A 344, 84 -90 (2005). n A. Bogojevic, A. Balaz, and A. Belic, Phys. Lett. A 345, 258 -264 (2005). n A. Bogojevic, A. Balaz, and A. Belic, Phys. Rev. E 72, 036128 (2005). n D. Stojiljković, A. Bogojević, and A. Balaž, Phys. Lett. A 360, 205 -209 (2006). n J. Grujić, A. Bogojević, and A. Balaž, Phys. Lett. A 360, 217 -223 (2006). n A. Bogojević, I. Vidanović, A. Balaž, and A. Belić, Phys Lett A 372, 3341 -3349 (2008). n December 16, 2008

Path integrals (2) n December 16, 2008 Descreete amplitudes for anharmonic oscilator

Path integrals (3) n December 16, 2008 Deviations from the continuum limit