1. ENVIRONMENTAL ENGINEERING SOFTWARE Steinbeis Transfer Center for Biomedical Research Ltd. Kragujevac, the University of Kragujevac, and the Institute for Water Resources “Jaroslav Cerni”, Belgrade Serbia and Montenegro Projects: 2001-2004  2004-2011 ITC Software All rights reserved. ITC Software

2. ENVIRONMENTAL ENGINEERING SOFTWARE BASIC SOFTWARE SOME APPLICATIONS IN GEOMECHANICS

3. PAK-P A Finite Element 2D and 3D Program for Analysis of Groundwater Seepage  Linear and nonlinear analysis: steady, time- dependent problems  Saturated/unsaturated flow  Position of free surface  Boundary conditions: prescribed head, pressure, seepage face  Infiltration: special treatment of rain

4.  Special algorithm for nodes at seepage face  Material characteristics: Variable conductivity for unsaturated soil region  Seepage forces: Calculation of nodal forces due to fluid flow, generated in the format for FE structure program

5. PAK-C Finite Element Program For Coupled Problems – Multiphase Fluid Flow with Heat Transfer Through Porous Deformable Medium  Linear and Geometrically and Materially Analysis, Linear and nonlinear solid, stationary and nonstationary, compressible and incompressible fluid  Static and Dynamic Analysis  Material Characteristics: Variation of porosity, elastic and elastoplastic consolidation, elastic, elastoplastic Cam- clay, thermoelastic material models, modelling of subsidence  Heat transfer and fluid flow  Multiphase flow

6. SOME APPLICATIONS IN GEOMECHANICS DEVELOPMENT OF THE “PRVONEK” DAM Exploitation of the "TILVA ROSH" Mine Underground Pollution Problems

7. Unsteady Potential Field on Dam

8. Filling of the Dam

9. Rain Flow

10. Two-dimensional nonlinear material consolidation

11. DEVELOPMENT OF THE “PRVONEK” DAM

12. BASIC DATA FOR DAM “PRVONEK” DISPOSITION OF THE DAM

13. CROSS-SECTION OF THE DAM

14. GEOMETRICAL DEFINITION OF THE MODEL 3D VIEW

15. GEOMETRICAL DEFINITION OF THE MODEL 2D VIEW

16. POTENTIAL FIELD

17. results POTENTIAL FIELD КОТА 530КОТА 570КОТА 600

18. RESULTS POTENTIAL FIELD CROSS-SECTION

19. POTENTIAL FIELD КОТА УСПОРА 614.80КОТА УСПОРА 610КОТА УСПОРА 600КОТА УСПОРА 590КОТА УСПОРА 580

20. VELOCITY FIELD ВАРИЈАНТА БЕЗ ЗАВЕСЕВДП ЗАВЕСЕ 3 LuВДП ЗАВЕСЕ 2 LuВДП ЗАВЕСЕ 1 Lu

21. ANIMATION OF POTENTIAL FIELD ON THE “PROVONEK” DAM

22. Stress and Strain Behaviour of Rocky Mass-Land During the Exploitation of the "TILVA ROSH" Mine

24. Instability Zones

25. Surface instability zones

26. Instability Zones

27. Effective Stress Distribution

28. Development of Instability Zones

29. The Underground Pollution Problems

30. Migration and Spread of a Contaminant Slug in a Fluid Flowing at Velocity v

31. ANIMATION OF THE RESULTS

32. Contaminant Migration and Spreading from a Continuous Source in a Fluid Flowing with Velocity v

33. ANIMATION OF THE RESULTS

34. ITC Software is an advanced information technology solutions provider, focused on the global commercial and scientific markets. With over 4047 software engineers in the Americas, Europe, Russia and Asia, and a host of world-renowned scientists at, inter alia, Harvard and MIT, ITC Software’s services range from research & development in finance, bioinformatics and FEA engineering, to cutting-edge custom software development and maintenance services in most industry verticals, to the turnkey establishment of Offshore IT Centers. ITC Software has won numerous international awards and its centers are ISO 9001:2000 certified and CMMI level 4 pre-certified. Pricing is extremely competitive for both complex scientific applications such as bioinformatics and biomechanics, and commercial software development projects. Please call or email us, if you have any questions, need more information, would like to embark on a research project, or require software development services Tel. +1 978 287 4855 info@itcsoftware.com Become a high performance enterprise with Strategic Outsourcing, visit www.itcsoftware.comwww.itcsoftware.com Thank you!

35. We hope you enjoyed our presentation ! Please call or email us, if you have any questions, need more information, would like to embark on a research project, or require software development services. Thank you! Tel. +1 978 287 4855 info@itcsoftware.com www.itcsoftware.com ITC Software