Eng. KM Vignarajah
Senior Lecturer Gr I
Qualifications
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Qualifications
- BSc(Eng) Honours degree from the University of Peradeniya
- MSc in Civil Engineering (Texas Tech, USA)
- M.Phil degree from University of Peradeniya
Research Interests
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Research Interests
- Nonlinear finite element formulations
- Programming the finite elements (FORTRAN 2003)
- Finite element performance testing
- Nonlinear continuum mechanics
- Tensor Analysis, General Relativity and Numerical methods
- Algorithms for transient problems
- Structural dynamics and vibration
- Earthquake engineering designs and detailing
- Tall buildings design
- Ductile structures and their Designs
- Elasticity and Plasticitiy
- Formulation of multi-physics and multi-field problems
Working Experience
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Working Experience
- Finite element stress analysist of railway bridge structures (8 of them)
Project : Real time testing, modeling and fatigue analysis of railway bridges
Client : Sri Lanka Railways
Consultants : Faculty of Engineering, University of Peradeniya
Team Leader : Prof. MP.Ranaweera
In-charge : Finite element modeling, validation and analysis (static,dynamic) - Senior structural design engineer
Project : A 43 storey structure for office complex
Client : Department of Labour
Consultants : Design Consortium Limited, Colombo – 8
Team Leader : Prof. Lakshman Alwis
In-charge : Finite element modeling, analysis and part of the design - Senior structural design engineer
Project : A 48 storey structure for hotel complex
Client : Cylinco Groups of Companies
Consultants : Design Consortium Limited, Colombo – 8
Team Leader : Prof. Lakshman Alwis
In-charge : Finite element modeling, analysis and checking - Senior structural design engineer
Project : Refurbishment of 7 story building constructed in 1923
Client : HSBC
Consultants : Design Consortium Limited, Colombo – 8
Team Leader : Prof. Lakshman Alwis
In-charge : Finite element modeling, analysis and design - Senior structural design engineer
Project : World tallest St.Antony’s statue
Client : Dr. Maithiri
Consultants : Design Consortium Limited, Colombo – 8
Team Leader : Arc. Migara Alwis
In-charge : Finite element modeling, analysis and design - Senior project engineer (Structural)
Project : USD 202 Million worth Project of an ultra modern hospital
Client : Kotelawala Defence University
Consultants : Design Group Five, Colombo – 3, AMC-Singapore
Team Leader : Arc. Suranjith de Silva
In-charge : Project engineer / Project management (client side) - Specialist consultant for Bandaranayake International Airport (II)
Project : Bandaranayake International Airport – Phase II
Client : Ministry of Aviation
Consultants : JAICA, STEMS, DG5i
Team Leader : Dr. KRB Herath
In-charge : Design for earthquake resistance building – Phase II, BIA. - Senior structural engineer
Project : A juice factory complex for Tunip Lanka (pvt) Ltd.
Client : Tunip India
Consultants : Design Consortium Limited, Colombo – 8
Team Leader : Prof. Lakshman Alwis
In-charge : Finite element modeling, analysis and design - Senior structural engineer
Project : A fresh fruit juice factory for Dabur Lanka (pvt) Ltd.
Client : Dabur India
Consultants : Design Consortium Limited, Colombo – 8
Team Leader : Prof. Lakshman Alwis
In-charge : Finite element modeling, analysis and design - Senior structural engineer
Project : Design review of a 14 story engineering faculty building
Client : SLIIT, Malabe
Consultants : Perigon Lanka Limited, Colombo – 3
Team Leader : Dr. KRB Herath
In-charge : Modeling and Design Checking
Publications
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Publications
- 2021 P. Kathirgamanathan, P. Herrington and M. Vignarajah, Influence of Anisotropic Assumptions on the Design in Pavement Response, Accepted in 115th Annual Sessions, Institution of Engineers, Sri Lanka.
- 2020 P. Kathirgamanathan and M. Vignarajah, A comparison of nonlinear material models used in pavement response modelling, 13th International Research Conference 2020, General Sir John Kotelawala Defence University, Sri Lanka.
- 2019 K. Kajeenthan and M. Vignarajah, Investigation of service stress in medium rise building design in Sri Lanka according to selected design codes, International Conference on Advances in Civil, Structural and Environmental Engineering (ACSEE), Bangkok, Thailand.
- 2019 P. Kathirgamanathan and M. Vignarajah, Effect of layer thickness and tyre footprint in the flexible pavement design, International Conference on Advances in Concrete Technology, Structural Engineering and Design (ACTSED), Peradeniya.
- 2019 S. R. Herath, H. Abeyruwan, K. R. B. Herath, U. I. Dissanayake, D. J. Gallage, M. Vignarajah, M. Raviprasad and M.P. Ranaweera, Structural appraisal of wroght iron truss railway bridge, International Conference on Advances in Concrete Technology, Structural Engineering and Design (ACTSED), Peradeniya.
- 2018 M. Vignarajah, R. Wijesiriwardana and P. Kathirgamanathan, Two Dimensional Space Curve Based Curvature Induced Stiffness Formulation for Large Deformable Structural Cables, 8th International Conference on Advances in Civil and Structural Engineering – CSE’18, Kuala Lumpur, Malaysia.
- 2018 R. Wijesiriwardana, M. Vignarajah and P. Kathirgamanathan, Whole body mechanical vibrations of passengers traveling in buses in Sri Lanka, 8th International Conference on Advances in Mechanical, Aeronautical and Production Techniques – MAPT’18, Kuala Lumpur, Malaysia.
- 2017 R. Wijesiriwardana, M. Vignarajah, P. Kathirgamanathan and K. S.Walgama, Structural Acoustic Resonance Vibrations in Hindu Temples, 54th IASTEM International Conference, Kuala Lumpur, Malaysia.
- 2015 R. M.P. S. Bandara, R. A. Attalage and M. Vignarajah, Prediction of Energy Performance of an Office Building through combined Energy Simulation and Computational Fluid Dynamics, IESL, Sri Lanka.
- 2011 U. I. Dissanayake, H. Abeyruwan, K. R. B. Herath, S. R. Herath, M.P. Ranaweera, K. A. D. Nandasena, D. J. Gallage and M. Vignarajah, Condition Evaluation and Determination of Remaining Life of Old Wrought Iron and Steel Railway Bridges in Sri Lanka – A Case Study, IESL, Sri Lanka.
- 2009 H. Abeyruwan, U. I. Dissanayake, D. J. Gallage, K. R. B. Herath, S. R. Herath, M.P. Ranaweera, M. Raviprasad and M. Vignarajah, Condition Assessment of a Wrought-Iron Railway Bridge, Annual Research Sessions, University of Peradeniya, Sri Lanka.
- 2007 M. Vignarajah and S. Senadheera, An investigation of prime coat effectiveness in surface treatments constructed on base, Presented in TRB Annual Meeting, Washington DC.
- 2006 M. Vignarajah, S. Senadheera, W.P. Dayawansa and J. M. Berg, A Sustainable Distributed Sensor Network for State Estimation of Particulate Composites, ICIIS2006, Peradeniya, Sri Lanka.
- 2003 M. Vignarajah, M.P. Ranaweera and K. S.Walgama, A Two-Dimensional Three-Node Isoparametric Nonlinear Cable Finite Element, SLAAS Annual Research Sessions, Sri Lanka.
- 2003 M. Vignarajah, M.P. Ranaweera and K. S.Walgama, Application of a Nonlinear Cable Finite Element in Large Displacement Analysis, Proceedings of the Annual Research Sessions, University of Peradeniya, Sri Lanka.
- 2000 M. Vignarajah and M.P. Ranaweera, Finite Element Analysis of Cable Structures Using P-Delta Method, Proceedings of the Annual Research Sessions, University of Peradeniya, Sri Lanka.
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