7. Minimum Gap Distance Theory
Posted on 22 June 2016 by admin OCAri | OCAri, Pekanbaru-Indonesia
The Minimum Gap Distance theory was founded by J.Koto and C.L.Siow, collaboration between Ocean & Aerospace Research Institute, Indonesia and Mechanical Engineering, Universiti Teknologi Malaysia, Malaysia.
The theory is able to predict minimum gap distance between two floating structure in tandem arrangement. This theory was developed based on the experimental data between TLP and Semi-Submersible.
The theory was transfered into commercial software which is called Offshore Pro Software .
8. Koto-Siow Drag Theory
Posted on 25 June 2016 by admin OCAri | OCAri, Pekanbaru-Indonesia
The Jaswar-Siow Drag Theory is developed by integration between difraction Potential and Morison drag. The theory was founded by J.Koto and C.L.Siow, collaboration between Ocean & Aerospace Research Institute, Indonesia , Mechanical Engineering, Universiti Teknologi Malaysia, Malaysia, Department of Transportation and Environmental Systems, Hiroshima University, Japan , National Research Institute of Fisheries Engineering (NRIFE), Japan and Centre for Marine Technology and Engineering (CENTEC), Instituto Superior Técnico, Universidade de Lisboa, Portugal.
The theory is able to evaluate heave motion response of floatig structure. This diffraction potential-Morison Drag term to predict the Round Shape FPSO heave motion response. Morison equation drag correction method is applied to adjust the motion response predicted by diffraction potential theory.
The theory was applied into commercial software which is called Offshore Pro Software .
9. Mobile Floating Harbour Theory
Posted on 25 June 2016 by admin OCAri | OCAri, Pekanbaru-Indonesia
The Stability of Mobile Floating Harbour theory is developed by using Morison drag theory. The theory was founded by J.Koto and K. U. Tiau, collaboration between Ocean & Aerospace Research Institute, Indonesia and Mechanical Engineering, Universiti Teknologi Malaysia, Malaysia.
The theory is able to evaluate roll amplitude of mobile floatig habour during loading and unloading.
The theory was applied into commercial software which is called Mobile Floating Harbour Pro Software .
10. J-Lay Pipeline Installation Theory
Posted on 25 June 2016 by admin OCAri | OCAri, Pekanbaru-Indonesia
The J-Lay subsea pipeline installation theory was developed by using Catenary theory. The theory was founded by J.Koto and Abdulhafedh Abdulrab Sharaf Alahdal, collaboration between Ocean & Aerospace Research Institute, Indonesia and Mechanical Engineering, Universiti Teknologi Malaysia, Malaysia.
J-lay installation method has been the most comfortable technique for installing the offshore pipelines in ultra-deep water forming the J-shape as it reaches to the seabed. The theory is able to evaluate installation position and tension of subsea pipeline during installation.
The theory was applied into commercial software which is called Subsea Pro Software .
11. Pod Ship Manoeuvring Theory
Posted on 25 June 2016 by admin OCAri | OCAri, Pekanbaru-Indonesia
The Pod Ship Manoeuvring Theory was developed by J.Koto, collaboration between Ocean & Aerospace Research Institute, Indonesia and Mechanical Engineering, Universiti Teknologi Malaysia, Malaysia.
The theory is able to evaluate the performance of pod ship in z-manoeuvring and turning circle.
The theory was applied into commercial software which is called Ship Manoeuvring Pro Software .
Research Division
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Available Books
- 1. Subsea Pipeline Design and Analysis
- 2. Subsea Well Development and Analysis
- 3. Subsea Manifold and Its Application on Oil & Gas Exploration
- 4. Strength and Collision Mechanics of Ships and Offshore Structures
- 5. Riser and Its Application on Oil and Gas Exploration
- 6. Challenges of Subsea Oil and Gas Production System
- 7. Application of Subsea Tree in Deep Water
- 8. Subsea PLEM & PLET
- 9. Subsea Connection & Jumper
- 10. Subsea Production System Installation
- 11. Subsea Production Life Cycle
- 12. Construction of Ships and Offshore Structures
- 13. Potential of Solar-Wind-Ocean Thermal Energy Conversion in Indonesia
- 14. Hydrodynamic Interaction Theory -Application on Floating Structures-
- 15. Subsea Power Supply, Transmission & Control System
- 16. Traditional Ship Production
- 17. Dependency Structure Matrix and Its Application on Offshore Structures Construction
- 18. Issues and Challenges of Asian's Shipbuilding Industries
- 19. Experimental Method for Mechanical Engineering
- 20. Japanese's Culture as an Solution of DKI Jakarta Problems
- 21. Mooring System and Its Application on Offshore Floating Structures
- 22. Corrosion of Subsea Pipelline -Malaysian Seawater-
Available Software
Invented New Theories
- 1. Subsea Safety Margin Theory
- 2. Aero QBlade Theory
- 3. Ice-Ship Going Theory
- 4. Koto-Siow Damping Theory
- 5. Koto-Siow Interaction Theory
- 6. DSM-Ship Production Theory
- 7. Minimum Gap Distance Theory
- 8. Koto-Siow Drag Theory
- 9. Mobile Floating Harbour Theory
- 10. J-Lay Pipeline Installation Theory
- 11. Pod Ship Manoeuvring Theory






