Dr. Mahesh N. R.

Assistant Professor - Department of Physics 

 

Research Interests

• Metamaterials
• Phononic bandgap structures
• Electric and magnetic resonances in dielectric materials
• Numerical modelling in Acoustics and Electromagnetics
• Astronomy and Astrophysics

Academic Qualifications

1. B Sc. Physics - University of Kerala, Thiruvananthapuram, India - 2002
2. M Sc. Physics - Manonmaniam Sundaranar University, Tirunelveli, India - 2005 - Thesis Title - Glitches in Crab Pulsar, an Analytical Study
3. Ph D. Physics - Anna University, Chennai, India - 2015 - Thesis Title - Acoustic Metamaterial Based Frequency Selective Devices For Low Frequency Applications

Positions held in St. Xavier's College

Member - Research Committee - 2015 onwards

Positions held outside St. Xavier's College

Research Fellow - Naval Research Board, India - Jun 2008 to Oct 2009

Total Teaching Experience

PG and UG courses: Department of Physics - St Xavier’s College, Thumba - 01 Sep 2015 on wards

Journal Articles Published

1. Mahesh, NR & Prita Nair 2012, Passive acoustic tunable structure based on single negative metamaterials, ActaAcustica united with Acustica, vol.98, pp. 827-831. (ISSN : 1610-1928)
2. Mahesh, NR & Prita Nair 2014, Design and analysis of an acoustic demultiplexer exploiting negative density, modulus and extra-ordinary transmission of membrane-based acoustic metamaterial, Applied Physics A, vol. 116, pp.1495-1500. (ISSN : 0947-8396)
3. P Tessy Chacko and N R Mahesh, ‘Analysis of thermal wave in soil medium’ , AIP Conference Proceedings 1849, 020038 (2017)
4.  Asarudheen A, Mahesh N R, Ajin S P, Mini R, 2018, Acoustic Metamaterial Based Low Noise Silencer, International Journal of Emerging Technology and Advanced Engineering, Volume 8, Special Issue 4(2),

Conference Papers

1. Mahesh, NR & Prita Nair 2011, Experimental and theoretical investigation of acoustic metamaterial with negative bulk modulus, Proceedings of the Comsol Multiphysics International Conference, Bangalore, 4-5 November 2011.
2. Mahesh, NR & Prita Nair 2013, Low frequency narrow bandwidth acoustic filters based on acoustic metamaterials, Proceedings of the National Conference on Advances in Naval Materials, Chennai, 22-23 February 2013, pp. 155-161.
3. Asarudheen A, Mahesh N R, Ajin S P and Mini R S’ , 2018, Acoustic Metamaterial Based Low Noise Silencer’, International Conference on Technology Innovation in Mechatronics, Energy Management and Communication 2018, Thiruvananthapuram, India.

Invited Talk

• 3^rd Annual World Congress of Advanced Materials – 2014, Chongqing, China, Topic : Acoustic metamaterial based denoising filters and demultiplexers for low frequency operations.
• National Seminar on Physics (NSP -19), Nagercoil, India, Topic : Metamaterials, An Entrance to the unexplored possibilities of physics.