SUC Brasil 2012 Non Linear Analysis of Offshore Steel Jackets

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Using the software USFOS from DNV, Fabio Orsini from Promon Engenharia presented this at SUC.

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SUC Brasil 2012 Non Linear Analysis of Offshore Steel Jackets

  1. 1. Nonlinear Analysis ofOffshore Steel Jackets:Study and Application of the Quasi-StaticPushover MethodFábio OrsiniStructural Engineer – Promon EngenhariaProfessor – Universidade Federal do Rio de Janeiro Sesam User Conference 2012 – Rio de Janeiro, Brazil
  2. 2. Agenda 1 INTRODUCTION 2 MOTIVATION 3 JUSTIFICATION 4 STEEL JACKETS 5 TUBULAR JOINTS 6 SOIL-PILE INTERACTION 7 MEMBER MODELING 8 USFOS SOFTWARE 9 PROTEUS JACKET 10 ANALYSIS RESULTS2 ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
  3. 3. 1 INTRODUCTION OFFSHORE STEEL JACKETS ARE COMPLEX STRUCTURES SUBMITTED TO A GREAT SET OF DIFFERENT LOADS AND ENVIRONMENTAL ACTIONS.3 ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
  4. 4. 2 MOTIVATION MANY OF THESE STRUCTURES ARE MORE THAN 25 YEARS OLD AND SOME MORE ARE GETTING THERE  SAFETY IS THE MAIN ISSUE. TROPICAL CYCLONE CATARINA, PIPER ALPHA, 1988 20044 ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
  5. 5. 3 JUSTIFICATION YET, MANY OTHER JACKETS ARE BEING BUILT  INFIELD SYSTEMS PREDICTS MORE THAN USD81Bi UNTIL 2016 FOR NEW CONSTRUCTIONS PRA-1 (PETROBRAS) PMXL-1 (PETROBRAS) MOP-1 (PETROBRAS)5 ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
  6. 6. 4 STEEL JACKETS 3D TRUSS-WORK FRAMED SYSTEMS: (MOST OF THEM) MAY BE DESIGNED AS QUASI-STATIC STRUCTURES6 ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
  7. 7. 5 TUBULAR JOINTS BOUWCAMP, 1980 AND MORIN et al., 1998  LOCAL JOINT FLEXIBILITIES CHANGE STRUCTURAL RESPONSE. BARLTROP et al., 1984 , FESSLER et al., 1986 AND BUITRAGO et al., 1993  MODELS FOR PREDICTING LOCAL JOINT FLEXIBILITIES. DIER et al., 2000 (MSL ENGINEERING JIP PROJECT)  NON LINEAR FORCE X DISPLACEMENT CURVES FOR LOCAL JOINT FLEXIBILITIES.7 ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
  8. 8. 5 TUBULAR JOINTS FESSLER et al., 1986 AND BUITRAGO et al., 1993  PARAMETRIC EQUATIONS FOR LINEAR ELASTIC JOINT FLEXIBILITIES.8 ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
  9. 9. 5 TUBULAR JOINTS FESSLER et al., 1986 AND BUITRAGO et al., 1993  PARAMETRIC EQUATIONS FOR LINEAR ELASTIC JOINT FLEXIBILITIES.9 ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
  10. 10. 5 TUBULAR JOINTS FESSLER et al., 1986 AND BUITRAGO et al., 1993  PARAMETRIC EQUATIONS FOR LINEAR ELASTIC JOINT FLEXIBILITIES.10 ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
  11. 11. 5 TUBULAR JOINTS DIER et al., 2000 (MSL ENGINEERING JIP PROJECT)  NON LINEAR FORCE X DISPLACEMENT CURVES FOR LOCAL JOINT FLEXIBILITIES.11 ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
  12. 12. 5 TUBULAR JOINTS DIER et al., 2000 (MSL ENGINEERING JIP PROJECT)  NON LINEAR FORCE X DISPLACEMENT CURVES FOR LOCAL JOINT FLEXIBILITIES.12 ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
  13. 13. 6 SOIL-PILE INTERACTION THREE CURVES: P-Y, T-Z AND Q-Z RELATIONSHIPS FOR DESCRIBING SOIL REACTIONS P-Y T-Z Q-Z13 ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
  14. 14. 6 SOIL-PILE INTERACTION P-Y T-Z Q-Z14 ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
  15. 15. 7 MEMBER MODELING NON LINEAR ANALYSIS MUST ACCOUNT FOR GEOMETRIC AND MATERIAL NONLINEARITIES  LARGE DISPLACEMENTS DOMAIN NON LINEAR ANALYSIS MUST ACCOUNT POST-BUCKLING BEHAVIOR OF COMPRESSED TUBULAR MEMBERS  INITIAL IMPERFECTIONS15 ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
  16. 16. 8 USFOS SOFTWARE SPECIFIC GEOMETRIC MODEL CONSTRUCTED USING GENIE  CONVERTING TO USFOS ENVIRONMETAL LOADS AND PILE MODELING ARE ALL DEFINED USING USFOS ITSELF16 ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
  17. 17. 8 USFOS SOFTWARE17 ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
  18. 18. 8 USFOS SOFTWARE18 ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
  19. 19. 9 PROTEUS JACKET 28 METERS WATER DEPTH  NATURAL GAS EXPLOTATION SYSTEM SUPPORT PLATFORM  UNMANNED19 ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
  20. 20. 10 ANALYSIS RESULTS20 ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
  21. 21. 10 ANALYSIS RESULTS21 ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
  22. 22. 10 ANALYSIS RESULTS22 ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
  23. 23. 10 ANALYSIS RESULTS23 ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
  24. 24. THANK YOU ALL!24 ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.

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