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Faculty details

Prof.Ramanababu Kaligatla

Designation: Associate Professor

Department: Mathematics & Computing

Email: ramana[at]iitism[dot]ac[dot]in

Contact Number: 8227896049

Office Number: +91-326-223-5183

Personal Page: Under Construction

Research Interest: Differential And Integral Equations, Hydrodynamics, Wave-Structure Interactions

Teaching

Mathematics-I, Differential and Integral Calculus (UG Common)
Mathematics-II (UG Common)
Numerical Methods (Modular) (UG Common)
Advanced Numerical Methods (Int. M. Tech [M&C])
Methods of Applied Mathematics-I (UG, Common)
Methods of Applied Mathematics-II (UG, Petroleum Eng.)
Ordinary and Partial Differential Equations (MSc [M&C], Int. M. Tech [M&C])
Numerical Techniques in Geophysics (MSc Tech. AGP)
Computational Fluid Dynamics (MSc [M&C])
Integral Equations and Calculus of Variations (Open Elective)

Academics

Ph.D. Mathematics, Indian Institute of Technology Madras, 2013.

Thesis Supervisor: Prof. S. R. Manam

M.Sc., Applied Mathematics, University of Hyderabad, 2007.

B.Sc., Andhra University, Visakhapatnam, 2004.

Position

Organisation	Designation	Level	Period
IIT (ISM) Dhanbad	Associate Professor	Level 13A2	Since 13.04.2022 to till date
	Assistant Professor	Level 13A1	18.12.2020 to 12.04.2022
		8000 AGP (or) Level 12	18-12-2017 to 17.12.2020
		7000 AGP	18-12-2015 to 17-12-2017
		6000 AGP	18-12-2014 to 17-12-2015
IIT Kharagpur	Post-Doctoral Fellow	27-03-2014 to 16-12-2014
ISI Kolkata	Visiting Scientist	01-02-2014 to 28-02-2014

Awards and Honors

Publications

List Of Research Publications (only in Peer-reviewed Journals)

[25] S. Singh, S., R.B. Kaligatla, B.N. Mandal, Wave scattering by ⊓-shaped breakwaters in finite depth water. Applied Ocean Research, 148 (2024).

[24] R.B. Kaligatla, S. Singh, B.N. Mandal, Wave scattering by Pi-type breakwater f loating in deep water. Journal of Engineering Mathematics 143 (2023).

[23] R.B. Kaligatla, N.M. Prasad, Topographical effects on wave scattering by an elastic plate floating on two-layer fluid. Mathematical Modelling and Analysis, 29 (2024).

[22] R.B. Kaligatla, S. Singh, Wave interaction with a rigid porous structure un der the combined effect of refraction-diffraction. Ocean Engineering 283 (2023) 115042.

[21] S. Singh, R.B. Kaligatla, The combined refraction-diffraction effect on wa ter wave scattering by a vertical flexible-porous structure. Journal of Fluids and Structures, 116 (2023) 103791.

[20] R.B. Kaligatla, S. Tabssum, T. Sahoo, Surface gravity wave interaction with a partial porous breakwater in a two-layer ocean having bottom undulations. Waves in Random and Complex Media (2021), doi.org/10.1080/17455030.2021.1976878.

[19] N. Prasad, R.B. Kaligatla, S. Tabssum, Wave interaction with an array of porous walls in a two-layer ocean of varying bottom topography, Meccanica (2021), doi.org/10.1007/s11012-021-01327-1.

[18] R.B. Kaligatla, Manisha Sharma, T. Sahoo, Wave interaction with a pair of submerged floating tunnels in the presence of an array of submerged porous breakwaters, Journal of Offshore Mechanics and Arctic Engineering (ASME) 143 (2021) 21402(1-14)

[17] S. Tabssum, R.B. Kaligatla, T. Sahoo, Surface gravity wave interaction with a partial porous breakwater in the presence of bottom undulation, Journal of En gineering Mechanics (ASCE) 146(9) (2020) 04020088(1-18).

[16] Manisha, R.B. Kaligatla, T. Sahoo, Wave interaction with a submerged float ing tunnel in the presence of a bottom mounted submerged porous breakwater Applied Ocean Research 96 (2020) 102069(1-12).

[15] S. Tabssum, R.B. Kaligatla, T. Sahoo, Gravity wave interaction with a porous breakwater in a two-layer ocean of varying depth, Ocean Engineering 196 (2020) 106816(1-15).

[14] R.B. Kaligatla, N. Prasad, S. Tabssum, Oblique interaction between water waves and a partially submerged rectangular breakwater, Proceedings of the In stitution of Mechanical Engineers, Part M: Journal of Engineering for the Maritime Environment (SAGE), 234(1)(2020) 154169.

[13] Manisha, R.B. Kaligatla, T. Sahoo, Effect of bottom undulation for mitigating wave-induced forces on a floating bridge, Wave Motion 89 (2019) 166-184.

[12] R.B. Kaligatla, S. Tabssum, T. Sahoo, Effect of bottom topography on wave scattering by multiple porous barriers, Meccanica 53 (2018) 887-903.

[11] R.B. Kaligatla, Manisha, T. Sahoo, Wave trapping by dual porous barriers near a wall in the presence of bottom undulation, Journal of Marine Science and Application, 16 (2017) 286-297.

[10] R.B. Kaligatla, S.R. Manam, Bragg resonance of membrane-coupled gravity waves over a porous bottom, International Journal of Advances in Engineering Sciences and Applied Mathematics 8 (2016) 222-237.

[9] H. Behera, R.B. Kaligatla, T. Sahoo, Wave trapping by porous barrier in the presence of step type bottom, Wave Motion 57 (2015) 219-230.

[8] R.B. Kaligatla, S. Koley, T. Sahoo, Trapping of surface gravity waves by a verti cal flexible porous plate near a wall, Journal of Applied Mathematics and Physics (ZAMP) 66 (2015) 2677-2702.

[7] S. Koley, R.B. Kaligatla, T. Sahoo, Oblique wave scattering by a vertical flexible porous plate. Studies in Applied Mathematics 135 (2015) 1-34.

[6] N.S. Vikramaditya, R.B. Kaligatla, Acoustic field in ducts with sinusoidal area variation, Journal of Vibration and Acoustics 136 (2014) 014502(1-3).

[5] R B. Kaligatla, S. R. Manam, Flexural gravity wave scattering by a nearly vertical porous wall. Journal of Engineering Mathematics 88 (2014) 49-66.

[4] S.R. Manam, R.B. Kaligatla, Membrane-coupled gravity wave scattering by a vertical barrier with a gap. The ANZIAM Journal 55 (2014) 267-288.

[3] S.R. Manam, R.B. Kaligatla, Structure-coupled gravity waves past a verti cal porous barrier, Journal of Engineering for the Maritime Environment 227(3) (2013) 266-283.

[2] S.R. Manam, R B. Kaligatla, A mild-slope model for membrane-coupled gravity waves. Journal of Fluids and Structures 30 (2012) 173-187.

[1] S.R. Manam, R.B. Kaligatla, Effect of a submerged vertical barrier on flexural gravity waves, International Journal of Engineering Science 49 (2011) 755-767.

Papers in conference abstract volumes / presented

[4] R.B. Kaligatla, S. Singh, Wave scattering by a partial flexible-porous breakwa ter moored in water of varying depth. 67th congress of the Indian Society of Theo retical and Applied Mechanics (ISTAM), (An International Conference) Organised by Indian Institute of Technology Mandi, Mandi, Himachal Pradesh, India from 14-16 December 2022.

[3] Manisha, R.B. Kaligatla, Wave interaction with a tunnel in a sea with bot tom undulation. International Conference on Differential Equations and control Problems: Modeling, Analysis and computations held in June 17-19, 2019 at IIT Mandi, India.

[2] S. Tabssum, R.B. Kaligatla, Wave trapping by a partial porous breakwater in water of varying depth. International Conference on Applications of Fluid Dy namics held in December 13-15, 2018 at VIT, Chennai, India.

[1] S.R. ManamandR.B.Kaligatla, Effectofsurfacepiercing barriers on membrane coupled gravity waves. Advances in PDE modeling and computation, Ane Books Pvt. Ltd. (2013), 281-298.

Projects & Activities

Membership of Scientific Societies

Life member of “Society of Applied Mathematics”, IIT(ISM) Dhanbad

Other Academic and Administrative Activities

Worked as an examiner for IIT (ISM) JRF examination conducted at IIT Madras from 7-11 May, 2015.
Working as tabulator to check student’s marks of the various subjects of UG and PG and JRF levels of Department of Applied Mathematics and BTech common courses from 2nd Nov 2015 to 30^th June 2019.
Worked for scrutinizing the documents of candidates in connection with the M.Sc. / M.Sc. Tech. EE-2016 admission that was held on 16^th July, 2016.
Worked as a mentor for a first year BTech batch comprising 25 students for the academic year 2017-2018.
Worked as a mentor for a first year BTech batch comprising 26 students for the academic year 2018-2019.
In charge for updating quarterly/annual progress report of the Dept. of Applied Mathematics from 26^th September 26, 2018.
Member of documentation cell, Dept. of Mathematics and Computing from 6th March 2019.
In-charge of seminar and conference rooms of Dept. of M&C from 4^th June 2020.
Worked as invigilator for several central and state government examinations including JEE (Advanced 2020)
Member of DPGC, Dept. of Mathematics and Computing from 15^th October 2020.
Warden of Jasper Hostel from 1st July 2021-June 30 2023.
JRF-In charge, Dept. of Mathematics and Computing, from 23^rd December 2021.
Member of IIT JAM scrutiny committee for the Dept. of M&C from May 2024.
Member of DSC for several PhD students of IIT (ISM) Dhanbad.
Member of IIT JAM scrutiny committee for the Dept. of M&C from May 2024.
Member of DFSC of Dept. of Mathematics & Computing from 19^th Nov 2024.