B.Tech in Civil Engineering, CET Bhubaneswar (State Govt.), 2008
M.Tech in Structural Engineering, NIT Rourkela, 2010
PhD in Structural Engineering, IIT Kharagpur, 2016

Peer-reviewed International Journals

Under review

• Sreejith K., Nishad A., Dash, A. K., & Nagarajan, V. (2023) “Coupled BEM-FEM approach to study sweep effect in hydroelastic responses of cycloidal propeller blade” Marine Structures

Published

1. Chelladurai, S. K. P., Dash, A. K., Nagarajan, V., & Sha, O. P. (2023). Longitudinal strength of high block coefficient merchant ships in irregular waves. Ocean Engineering, 283, 115066.

2. Prabhu, J. J., Dash, A. K., Nagarajan, V., & Sunny, M. R. (July, 2022) Vibration analysis of cycloidal propeller blade during ship maneuvering. Journal of Marine Science and Technology, Springer. https://doi.org/10.1007/s00773-022-00899-1 (SCI Journal, IF 1.947)

3. Dash, A. K., Prabhu, J. J., & Nagarajan, V. (2021) Stochastic finite element analysis of composite cycloidal propeller blade during crash-stop ship maneuver. Composite Structures, Elsevier. https://doi.org/10.1016/j.compstruct.2022.115306 (SCI Journal, IF 5.407 )

4. Prabhu, J. J., Dash, A. K., Nagarajan, V., & Sha, O. P. (2019). On the hydrodynamic loading of marine cycloidal propeller during maneuvering. Applied Ocean Research, 86, 87-110., Elsevier, doi: https://doi.org/10.1016/j.apor.2019.02.008. (SCI Journal. IF 2.753)

5. Roychoudhury, S., Dash, A. K., Nagarajan, V., & Sha, O. P. (2017). CFD simulations of steady drift and yaw motions in deep and shallow water. Ocean Engineering, 142, 161-184 Elsevier, https://doi.org/10.1016/j.oceaneng.2017.06.058. (SCI Journal, IF 3.068)

6. Dash, A. K., Chandran, P. P., Khan, M. K., Nagarajan, V., & Sha, O. P. (2016). Roll-induced bifurcation in ship maneuvering under model uncertainty. Journal of Marine Science and Technology, 21(4), 689-708., Springer. DOI: 10.1007/s00773-016-0382-1. (SCI Journal, IF 1.446)

7. Dash, A. K., Nagarajan, V., & Sha, O. P. (2015). Bifurcation analysis of high-speed twin-propeller twin-rudder ship maneuvering model in roll-coupling motion. Nonlinear Dynamics, 83, 2035-2053, Springer. DOI: 10.1007/s11071-015-2463-9. (SCI Journal, IF 4.867).

8. Dash, A. K., Nagarajan, V., & Sha, O.P. (2015). Uncertainty assessment for ship maneuvering mathematical model. International Shipbuilding Progress, 62(1-2), 57-111, IOS Press, DOI 10.3233/ISP-150117. (Scopus Indexed Journal).

9. Dash, A. K., & Nagarajan, V. (2014). A stochastic response surface approach for uncertainty propagation in ship maneuvering. International Shipbuilding Progress, 61(3-4), 129-161, IOS Press, DOI 10.3233/ISP-140110. (Scopus Indexed Journal).

Technical reports

1. An investigation into the maneuvering performance of ships in navigation channels around Indian coast under different weather conditions
2. Research on ship maneuvering using PMM captive tests and validation based on full scale maneuvering experiments

Conferences

1. Kumar, A., Singh, A. and Dash, A. K. (2019).  Uncertainty propagation in static and dynamic analysis of isotropic plate by SRSM, International Conference on Recent Development in Sustainable Infrastructures (Materials & Management) ICRDSI 2019, KIIT University, Bhubaneswar, India, 11-13 July 2019.
2. Sarkhel S., Padhi J., and Dash, A. K. (2019).  Seismic Analysis of a Concrete Gravity Dam Using ABAQUS, International Conference on Recent Development in Sustainable Infrastructures (Materials & Management) ICRDSI 2019, KIIT University, Bhubaneswar, India, 11-13 July 2019.
3. Sarkhel S., Padhi J., and Dash, A. K. (2017).  Seismic analysis of concrete gravity dam considering hydrodynamic effect and soil-structure interaction, International Conference on Innovations in Structural Engineering, IC-ISE 2017, Osmania University, Hyderabad, India, 29-31 December 2017.
4. Sha, O. P., Roychoudhury, S., Dash, A. K., Nagarajan, V. (2014). Development of shallow water maneuvering mathematical model of a large tanker using steady RANS solver. In: European Inland Waterway Navigation (EIWN) Conference, 10-12 September, 2014, Budapest, Hungary.
5. Dash, A. K., Nagarajan, V., & Sha, O. P. (2014). A polynomial chaos approach to predict uncertainty in twin-propeller twin-rudder ship maneuvers, The Japan Society of Naval Architects and Ocean Engineers, Spring meeting, Sendai, Japan, 26-27 May, 2014.
6. Dash, A. K., & Nagarajan, V. (2014). Stability Analysis of Ship Maneuvering Model, International Conference on Applied Mathematical Models ICAMM, PSG College of Technology, Coimbatore, 3-5 January, 2014.
7. Dash, A. K., & Nagarajan, V. (2013). Perturbation Stability Analysis of Nonlinear Mathematical Model, 58 congress of Indian Society Of Theoretical and Applied Mechanics (ISTAM), Bengal Engineering and Science University, West Bengal,            18-21 December, 2013.
8. Dash, A. K., Nagarajan, V., & Sha, O. P. (2013). Ship Maneuvering Mathematical Model for Twin-Propeller Twin-Rudder System, ICSOT: Technical Innovation in Shipbuilding, Kharagpur, India, 12-13 December, 2013.
9. Dash, A. K., Nagarajan, V., & Sha, O. P. (2012). Uncertainty Analysis for Ship Maneuvering in Model Scale and Full Scale Measurements. Tech Samudra 2012: International Conference cum Exhibition on Technology of the Sea, Visakhapatnam, Andhra Pradesh, India, 6-8 December, 2012.
10. Dash, A. K., and Nagarajan, V. (2011). Ship maneuvering: a review of past and present developments, ICSOT: Technical Innovation in Shipbuilding, Kharagpur, India, 8-9 December, 2011.

UG Courses

Mechanics of Solid

Structural Analysis I

Structural Analysis II

Design of Concrete Structure I

Design of Concrete Structure II

Structural Dynamics

Fluid Mechanics

PG Courses

Structural Dynamics

Dynamics of floating bodies

Ship Hydrodynamics

Experiments

• Captive model ship maneuvering tests in high speed towing tank (HSTT, 500 m x 8 m x 8 m) and sea-keeping maneuvering basin (SMB, 135 m x 37 m x 5 m) at Naval Science and Technological Laboratory (NSTL), Visakhapatnam, DRDO, India.
• Propeller performance tests in circulating water channel at IIT Kharagpur, India.
• Ship model resistance test in towing tank (150 m x 4 m x 2.5 m) at IIT Kharagpur, India.
• Propeller self-propulsion test in towing tank at IIT Kharagpur, India.

Equipments handled

• Planar Motion Mechanism (PMM) equipment at Naval Science and Technological Laboratory (NSTL), Visakhapatnam, DRDO, India.
• Wave-maker in towing tank at IIT Kharagpur, India.
• Vectrino meter for measuring water particle velocity at IIT Kharagpur, India.
• Ship model making process at IIT Kharagpur, India.

1. Ship Maneuvering:

Ship hydrodynamics, Mathematical modeling of hydrodynamic forces acting on hull, propeller and rudder during ship maneuvering, Captive maneuvering experiments, Planar motion mechanism (PMM) experiments in towing tank as well as in sea-keeping and maneuvering basin, Resistance and propulsion test, Hull-propeller-rudder interaction, Ship model making, Computer simulations,

2. Uncertainty quantification and propagation:

Uncertainty quantification of mathematical model via experimental data and propagation to full scale simulations, Stochastic response surface method, Monte Carlo technique.

3. Non-linear dynamics:

Roll-yaw-sway-rudder coupling, Stability and bifurcation analysis of steady state, Numerical continuation, MATCONT.

4. Fluid-structure interaction:

Vibration of marine propellers due to hydrodynamic load, nonlinear dynamics of propeller blades by varying the span length and thickness.

5. Finite Element Analysis of Plate and Shell.

Cycloidal propeller blade, forced vibration in ship maneuvering

UG: 5 (Completed), 2 (Ongoing)

PG: 11 (Completed), 6 (Ongoing)

PhD: 1 (Ongoing)