Address:

Dr. Gobinda Sinha

Nationality : Indian, Immigration Status: Singapore Permanent Resident

e-mail: gsinha_99@yahoo.com; Web Site: www.oocities.org/gsinha_99

Regent Heights, Tower B, 52 Bukit Batok East Ave 5, #10-04, SINGAPORE - 659802

Tel: (65)-68629216 (R); Mobile: (65)-97569241
 

Objective
 

Interested to pursue challenging career in the field of computational mechanics, CAD/CAE and Structural Engineering. I have already experienced to model, design, analyze, experiment, approve, manage and execute the projects related to marine/offshore, civil, mechanical and industrial structures by employing both classical (or empirical) and numerical approaches including the use of the state-of-the-art CAD/CAM/CAE systems to meet applicable rules or design codes. Interest to take part also in the technical software development, benchmark study, customization and management and support for the existing commercial CAD/CAE packages or for an entirely new one.
 

Professional Training in CAD/CAM/CAE Packages
 

  • Basic Training on NAUTICUS HULL and part of SESAM by DnV,Norway and DnV, Singapore

  • Advanced training for solid/surface modeling, macro programming, APDL, advanced linear/non-linear simulations using ANSYS from NIIT, Pune, India

  • Fundamental and advanced training for the feature based part solid modeling, surfacing, assembly, simulation and product data management using Pro/ENGINEER2000i2, Pro/MECHANICA from Parametric Technology Corporation and Rand Worldwide, Singapore and using SDRC I-DEAS Master Series from Structural Dynamics Research Center, Mumbai/Pune, India

  • Training for the advanced 2-D/3-D drafting, surface and solid modeling using AutoCAD R14 by the Mechanical Engg. Dept. of Ngee Ann Polytechnic, Singapore, an authorized training center of Autodesk, Inc., USA

  • Training for the Pipe Stress Analysis and Design using CAESAR II 4.2 by Industrial Offshore & Computer Services, Singapore, an authorized training center of COADE Inc., USA

  • Training on STAAD III 23 and STAAD.Pro 2001 from Research Engineers International, Singapore
 

Professional Experience

August 2002 – Present

Prosafe Production Services Pte Ltd., Singapore

Structural Engineer. Design of offshore structures through advanced 3-D modeling and simulation (linear/nonlinear) using the state-of-the-art CAD/CAM/CAE and CFD software in Engineering and R & D department for on-going and technical/commercial bidding projects. Presently dealing with the advanced structural analyses, design and experimental test of full FPSO/FSO, turret systems, top sides, mooring analysis and riser and subsea system design and analysis beside other structural components on FPSO/FSO’s and technical software evaluation. In-charge of approving the designs from classification societies by supporting the drawings through detail direct stress analysis reports satisfying required various international design codes and regulations. Leader in publishing technical papers on new turret design and advanced structural analysis.

Projects:

  
 

  • Advanced 3-D modeling, strength assessment and Fatigue Analysis of FPSO vessels using ANSYS, STAAD.Pro, StruCAD*3D, Pro/E, Pro/MECHANICA, SAFEHULL, NAUTICUS HULL, etc to innovate new designs

  • Ultimate Design and Analysis of Turret Top Structure and High Pressurized Swivel System

  • Design through Fatigue Analysis of Riser Porch/Chain Stopper/Mooring Table

  • Static, Dynamic, Fatigue and VIV due to wind of Flare Tower/Helideck, etc.

  • Radiation & Temperature Study in Flare Tower & MODU using API Code

  • Nonlinear Contact Stress Analysis and design of Roller Bearing System of Upper Turret Structure

  • Hull Piping layout, supports, design and stress analysis

  • Design Review of Suction Pile/Top Sides of FPSO

  • Ultimate Design and analysis of various types of Turret Structures (Shaft and Caisson)

  • Advanced 3-D modeling & GE simulation of FPSO vessel using Pro/E and Pro/MECHANICA

  • Static, dynamic and Fatigue analyses of Jacket Structures

  • Software Testing or benchmarking of Offshore Load Generator Module of STAAD.Pro 2002 and comparison with other competitive products such as StruCAD*3D, SACS, ASAS, etc.

  • Software training to engineering staff

  • Preparation of Technical Papers to be presented in Conferences and published in Journals

July 1998 -July 2002

Keppel Offshore & Marine, Singapore

Senior Engineer. Design and optimization using the advanced parametric solid/surface modeling and finite element linear and nonlinear analyses including dynamic, buckling, impact, response spectrum, fatigue, fluid-structure phenomenon. In-charge of all the high level computer aided 3-D advanced feature based parametric modeling, structural analyses and design required for the new constructions, conversions (FPSO, FSO, drill ships, etc.), repairs of very big vessels and offshore structures (Semi-submersibles, Jack-Ups, TLP) etc. Trainer of CAD/CAM/CAE software and structural analysis packages to the engineering staffs. Implementation of Pro/ENGINEER 2001 SHIPBUILDING SOLUTION (a part of Pro/SHIP) for the complete 3-D associative feature based modeling, interference check, detail drawings creation, FE simulation and production of a new Multipurpose Supply vessel construction, which is similar to the use of TRIBON, FORAN, etc.

Projects:

  
 

  • Numerous computer codes are developed using C, C++, VISUAL BASIC, FORTRAN for new innovative mathematical procedures, customization, structural analysis and design

  • Windows based applications to simulate Fluid-structure interaction and to compute the hydrodynamic forces on Semi-Submersibles in random seas using VISUAL BASIC (on-going)

  • Analysis based design of Helideck and support structures, Flare Tower and various foundations for FPSO conversion projects

  • Analysis of Riser and Pipe Rack Support Structures

  • Fatigue Design Assessment of sponsons of a Drill Ship, Helideck and Flare Tower

  • Axial, Lateral and Torsional vibration investigation of marine shafting systems

  • Coupled thermo-structural FE stress analysis of Double Hull Tanker

  • Design and heavy erection stress and buckling analyses of various modules of Cable Laying Vessel, Derrick Barge, Livestock Carrier, FPSO/FSO units, etc.

  • Lifting simulation/erection stress, vibration and buckling analyses of semi-submersible (9000 t), helideck, crane tub, turret, sponsons, accommodation block, etc.

  • Erection stress analysis of a complete vessel (2300 T) lifted by two floating cranes

  • Coupled thermo-structural stress analysis for design of piping systems and support structures for FPSO & FSO conversions

  • Detail FE analysis of sheave, winch/windlass & crane foundations, rudder, etc.

  • Modeling and strength check of a Bulk Carrier

  • Longitudinal Strength calculation of various vessels and its scantling requirement calculation for new and conversion projects using AutoSHIP and rules of various classification societies and international marine regulatory bodies

  • Checking and review of the designs and drawings of various components of ship/offshore structures

  • Computation of forces in the securing devices of container securing arrangements

  • Modeling of Ship/Offshore geometry and carrying out naval architectural calculations and intact/damage stability analysis using AutoSHIP, AutoHYDRO.

  • Inclining tests for ship, semi-submersible and jack-up rig.

Feb. 1995 – June 1998

Indian Register of Shipping – Research and Development Cell, Mumbai, India

Ship Surveyor. Engaged in detail and rigorous analysis of ship/offshore and other complex industrial structures by research based Classical, FEM and other Numerical methods beside plan approval. Participated in rule building and IACS WP/S to carry out the parametric FEA of bulk carriers and double hull tankers. Also engaged in the Engineering Software development using C, C++, Visual Basic, Fortran 90, etc and system administration.

Projects:

  
 

  • Analysis of Plane frame, Space frame and Grid structures supported on elastic continuous support

  • Detail Bottom Grillage analysis of Double Hull Tanker by employing newly developed Rectangular Plane Stress Orthogonally Stiffened (PSOS) plate elements and Hybrid Beam elements

  • Free/forced vibrations and buckling analyses of stiffened plates and shells with elastically restrained edges by using a new high-precision stiffened shallow shell element

  • Large amplitude free flexural vibration of stiffened plates/shells considering geometric non-linearity

  • Finite element rigorous static and transient dynamic analyses of telescopic high precision antenna retraction systems mounted on moving vehicles

  • To compute the forces and stresses in the securing devices at different tiers of containers considering the random ship motions

  • To find the effects of end brackets on the transverses by employing tapered beam finite element

  • Free vibration and Transient Dynamic Response analysis of box-like rectangular vessels

  • Complete 3-D modeling, FE analyses (including torsion) and the solution regarding modified design and structural scantlings of a HCL carrier of novel type (The project report is reviewed by the analysis group of LRS, London)

  • Effect of Superstructure on the longitudinal strength of Passenger Ship and study of its dynamic behavior by 3-dimensional FEM using multilevel sub-structuring technique

  • Development of the empirical rules for Double Hull Tanker (DHT), Bulk Carriers after carrying out the parametric studies using FEA considering both geometric and material nonlinearities. The results of these analyses are used to formulate the unified requirements by the International Association of Classification Societies (IACS), London where all most all the classification societies do take part such as ABS, LRS, DnV, ClassNK, etc.

  • Computation of Probabilistic Long-Term Wave Bending Moment of Ships in confused seas considering the Wave Data and RAO’s provided by the other Classification Societies and IACS.

June 1990

Indian Institute of Technology, Kharagpur, India

Senior Research Assistant. A structured computer program has been developed to generate the 3-D model of a full ship from the minimum interactive input based on offset table (Cubic B-Spline Interpolation) and FE simulation using the newly developed internationally accepted stiffened shell finite element. Completed the Ph.D. thesis on Static and Dynamic Analyses of Arbitrarily Stiffened Shell Structures.

Projects:

  
 

  • Development of the computer program for the ship surface generation by Cubic B-Spline

  • Literature Review of the Shell Finite Elements -

  • Development and subsequent computer coding of the following shell elements:

  1. A doubly curved triangular isoparametric shell element (30 d.o.f.)

  2. A new 18 d.o.f shallow shell element combining the DKT and LST with drilling d.o.f.

  3. A new 18 d.o.f stiffened shallow shell element and its employment to the static, free vibration and buckling analysis of both concentric and eccentric stiffened plates/shells

  4. A new 9-Noded Lagrangian shallow shell element for the free vibration analysis of rotating turbine blades

  • Finite element analysis of folded plates, shell, stiffened hollow box-beam and Crane like structures

  • A rigorous finite element static analysis of a full ship from 3-D point of view

  • Development of fluid finite element for the free vibration study of submerged stiffened plates

  • Extraction of eigenvalues of the thermally stressed spinning plates/shells

 

 

1995-1996

 

1990

 

1988

 

Education

Indian Institute of Technology, Kharagpur

Ph.D. (Structure)

B.E. College, Calcutta University

M.E. (Structure)

Jadavpur University, Calcutta

B.E. (Civil)
 

Awards & Prizes

  • Best Paper Award (President of India) in the Prize Paper Session of 38th ISTAM (Indian Society of Theoretical and Applied Mechanics) Conference ’93 (Dec 9 – 12) held at Indian Institute of Technology, Kharagpur, based on the research work carried out in the Ph. D. Program

  • Best Paper Award in the Indian National Conference on the Harbour and Ocean Engineering held at CWPRS, Pune, June 8–10, 1994 based on the work done in the Sponsored Project by Ministry of Surface Transport (Shipping Wings), New Delhi, on "3-Dimensional Finite Element Analysis of Ship’s Structures".

  • Awarded a Certificate and an active membership from the New York Academy of Sciences, USA

 

Computing & Software Experience

Platform

Main Frame (CYBER 180/840A, VAX/VMS), SuperMini (Digital Server 3000 & 4000), Server & Nodes, Workstation, etc.

OS

WINDOWS NT 4.0, WINDOWS 2000 Professional, UNIX (sco, hp-ux, digital UNIX 4.0B), XENIX, Novell Netware and NOS/VE

Languages

C++, C, FORTRAN 90, VISUAL BASIC, VISUAL C++, BASIC, HTML, etc

CAD/CAE

ANSYS 8.0, FEMAP, STAAD.Pro 2003, StruCAD*3D 4.2, Pro/MECHANICA 2001, IDEAS MS 8.0, Pro/E Wildfire, Pro/ENGINEER SHIPBUILDING SOLUTION, CAESAR II 4.2, ADLPIPE 10, SAP2000, ARIANE 3D, AUTOCAD 2000, Mechanical Desktop 6.0, FCAD, TORSVIB, TORAX, etc

Ship Design

AutoHYDRO, AutoSHIP, SAFEHULL, NAUTICUS HULL, VERISTAR, PRIMESHIP, etc.

WP/Graphics

MS OFFICE 2000, FRONTPAGE 2000, LATEX, WORD-PERFECT 8.0, VENTURA, LOTUS SMARTSUITE, ADOBE DESIGN SUITS, PHOTOSHOP, etc

Rules/Codes

AISC, ASCE, ASME, API RP-2A (WSD, LRFD), API RP-2P, API RP-2SK, ABS, DnV, LRS, BV, NKK, RINA, IRS, IACS, SOLAS, IMO, etc.
   

List of Publications:

a) Papers in the International & National Journals:
 

1. G. Sinha, A.H. Sheikh and M. Mukhopadhyay, " A New Finite Element Model for the Analysis of Arbitrary Stiffened Shells", Journal of Finite Elements in Analysis and Design, Vol. 12, pp. 241 – 271.
 

2. M. Mukhopadhyay and G. Sinha, "A review of dynamic behavior of stiffened shells", Shock and Vibration Digest, Vol. 12, No. 8, pp. 3 – 13.
 

3. G Sinha and M Mukhopdadhyay, "Finite element free vibration analysis of arbitrary stiffened plates/shells", Journal of Sound and Vibration, Vol. 171, No. 4, 1994, pp 529 – 548.
 

4. P. Shankar Rao, Gobinda Sinha and Madhujit Mukhopadhyay, "Vibration of submerged stiffened plates by the finite element method", International Shipbuilding Progress, Vol. 40, No. 423, 1993, pp. 261 – 292.
 

5. G. Sinha and M. Mukhopadhyay, "Transient dynamic response analysis of arbitrary stiffened plates / shells by the finite element method", Journal of Vibration of Acoustics, Transaction of ASME, Vol. 117, 1995, pp. 11 – 16.
 

6. Gobinda Sinha and Madhujit Mukhopadhyay, "Static, free and forced vibration analysis of arbitrary non-uniform shells with tapered stiffeners", Computers and Structures, Vo. 62, No. 5, 1997, pp 919 – 933.

 

7. G.V. Rao, G. Sinha, N. Mukherjee and M Mukhopadhyay, "Finite element free vibration of thermally stressed spinning plates", Computers and Structures, Vol. 59, No. 2, 1996, pp. 377 – 385.
 

8. Gobinda Sinha, "Transverse free vibration of stiffened shells with elastically restrained edges by FEM", International Shipbuilding Progress, Vol. 47, No. 450 (2000), pp 191 – 214.
 

9. Gobinda Sinha and Madhujit Mukhopadhyay, "Finite element response analysis of arbitrary non-uniform shells with tapered stiffeners", Journal of Sound and Vibration (Accepted for publication).
 

10. G. Sinha and S. Kar, "Static and dynamic analyses of arbitrary shaped stiffened plates by a new element", Finite Elements in Analysis and Design (Accepted for Publication).
 

11. B. Pandey, G. Sinha and M. Mukhopadhyay, "Finite element dynamic response analysis of a rotating turbomachinery blade with shear and rotary inertia effects", Computers and Structures (Accepted for Publication).
 

12. Gobinda Sinha, "Free vibration study of regular box-like ship structures employing combined new LST-DKT curved economic shell element", Structural Engineering Review (Communicated for Publication).
 

13. Gobinda Sinha, "Transient dynamic analysis of stiffened shells with elastically restrained edges by FEM", Structural Engineering Review (Communicated for Publication).
 

14. Gobinda Sinha and Madhujit Mukhopadhyay, "Static and Dynamic analyses of stiffened shells – A Review", Proc. Of Indian National Science Academy, Physical Review, 61, A, Nos. 3 & 4, 1995, pp 195 – 219.
 

15. G. Sinha, J. Dasgupta and D. G. Sarangdhar, "Finite element free vibration analysis of box like structures using a new DKT flat faceted economic shell element", Institution of Naval Architects (India), July 1995, pp. 33 – 40.
 

16. Gobinda Sinha and Suman Kar, "A new element for the free vibration analysis of arbitrary stiffened plates", Institution of Naval Architects (India), December 1996, pp 27 – 41.
 

17. Gobinda Sinha, "Finite element stability analysis of arbitrary stiffened plates and shells using higher-order conforming stiffened shell element" (under preparation).

 

18. Gobinda Sinha, "Geometrically nonlinear undamped free flexural vibration analysis of stiffened plates / shells using finite element technique", (Paper under preparation).
 

b) Papers in the International and National Conferences:
 

1. Y.V. Satish Kumar, G. Sinha and M. Mukhopadhyay, "Finite element stability analysis of plates / shells having arbitrary stiffeners", International Conference on Stability of Structures (ICSS – 95), PSG College of Technology, Coimbatore, June 7 – 9, pp. 277 – 289, 1995.

 

2. Tanmay Sarkar and Gobinda Sinha, "Long term analysis of ship motions and structural strength – Present Status and relevance to classification societies", International Maritime Conference (INMARCO ’98), The Institute of marine Engineers (India), NOV., 1998.
 

3. Gobinda Sinha, "Advanced strength analysis and design modification of a vessel with huge hatch openings by 3-D FEA Approach", International Conference and Exhibition on Maritime Society and Resource, MARTECH 98, Singapore, 17 – 18 Sept. 1998.

 

4. Gobinda Sinha, "Static free and forced vibration analysis of arbitrary non-uniform shells with tapered stiffeners", 38th Indian Society of Theoretical and Applied Mechanics (ISTAM) Conference, held at I.I. T. Kharagpur, Dec 9 – 12, 1993.

 

5. G. Sinha, S. K. Satsangi and M Mukhopadhyay, "3-D Finite Element analysis of ship structures", Indian National Conference on the Harbour and Ocean Engineering, CWPRS, Pune, June 8 – 10, 1994.

 

6. P Shankar Rao, G Sinha and M Mukhopadhyay, "A finite element free vibration analysis of immersed stiffened plates", Aeroelasticity, Hydroelasticity and other Fluid Structure Interaction Problems, Proc. 8th National Convention Aerospace Engineers, Aerospace Engineering Division, Institution of Engineers (India), I.I.T. Kharagpur, pp 416 – 435, 1993.

 

7. Y.V. Satish Kumar, G Sinha and M Mukhopadhyay, "A new stiffened shell element for the analysis of arbitrary shaped structures", National Symposium on Aerospace Structures (NASAS-94), held at I.I.T. Kharagpur, Dec 8 – 9, pp 72 – 81, 1994.
 

8. S. Kar and G Sinha, "Buckling and stability analyses of arbitrary stiffened plate / shell panels using new improved shell element by FEM", Conf. On Ship and Ocean Technology, SHOT ’97, I.I.T., Kharagpur, March 5 – 7, pp 138 – 143, 1997.

 

References:
 

  1. Mr. Geir Eik, Prosafe Production, 1 International Business Park, #10-01, The Synergy, Singapore 609917, Tel. (65)-6796 0494, E-mail: geir.eik@sg.prosafe.com

  2. Dr. Arun Dev, Marine Technology Development Pte Ltd, 55 Gul Road, Singapore 629353, Tel: 6863 7918, Fax: 6863 7919, E-mail: akdev@singnet.com.sg