Dr. Gursahib Singh Bhatia

Assistant Professor in Design and Innova, Mechanical, Manuf & Biomedical Eng

bhatiag@tcd.ie https://scholar.google.com/citations?user=AMvV3X4AAAAJ&hl=en&inst=11099861943932837285

Biography

Dr. Bhatia is an Assistant Professor in Design and Innovation in the Discipline of Mechanical, Manufacturing & Biomedical Engineering. Gursahib's research integrates experimental mechanics, materials characterization, and fractography to advance the understanding of composite material behavior. His current interests include the repair of offshore energy structures, sustainable composites, bio-inspired materials, and advanced composites for prosthetic applications. Prior to joining TCD, Dr. Bhatia developed and manufactured an advanced hybrid composite design aimed at improving the compressive performance of composites containing a stress raising feature. This design was first of its kind with a very low added weight penalty while increasing the structural performance. Previously, Dr. Bhatia investigated damage mechanisms for in-situ polymerizable thermoplastic-based laminates under impact loading and proposed an innovative repair technique using vacuum and thermal consolidation, aimed at repairing offshore wind turbine platforms. He also explored the feasibility of employing a thermography-based technique to characterize the fatigue response of these composites. Additionally, his research focused on the fractography analysis of bio-epoxy and thermoplastic based composites subjected to different mechanical loadings. During his doctoral studies, Dr. Bhatia examined the damage evolution in patch-repaired laminates using Digital Image Correlation and Acoustic Emission, identifying key parameters that affect the post-repair static and cyclic performance of adhesively bonded patch-repaired composites.

Publications and Further Research Outputs

Peer-Reviewed Publications
Non-Peer-Reviewed Publications

Pothnis J.R., Hejjaji A., Bhatia G.S., Comer A., Failure analysis under fatigue loading of glass fibre reinforced in-situ polymerizable thermoplastic and Bio-epoxy based Composites, Composites Part C: Open Access, 17, 2025Journal Article, 2025, DOI
Pothnis J.R., Velon K., Bhatia G.S., Hejjaji A., Comer A.J., Investigating the effect of cure schedules and cure initiators on sustainable composites for large offshore structures, Composite Structures, 327, 2024Journal Article, 2024, DOI
Bhatia G.S., Fahey K., Hejjaji A., Pothnis J.R., Comer A., Compression characteristics and fractography of in-situ polymerisable thermoplastic and bio-epoxy based non-crimp carbon and glass fiber composites, Polymer Composites, 45, (15), 2024, p13861 - 13876, p13861-13876Journal Article, 2024, DOI
Bhatia G.S., Hejjaji A., Pothnis J.R., Portela A., Comer A.J., In-situ polymerizable thermoplastic and bio-epoxy based composites for offshore renewable energy applications, Polymer Composites, 45, (15), 2024, p13812 - 13828, p13812-13828Journal Article, 2024, DOI
Bhatia G.S., Hejjaji A., Comer A.J., Post impact repair of in-situ polymerisable thermoplastic based carbon fibre composite and its assessment under compression after impact loading, Composites Part B: Engineering, 283, 2024Journal Article, 2024, DOI
Kushwaha M., Bhatia G.S., Arockiarajan A., Nonlinear progressive damage model for woven patch-repaired laminate composites, Composite Structures, 320, 2023Journal Article, 2023, DOI
Bhatia G.S., A. A., Effect of interactions of two holes on tensile behavior of patch repaired carbon/epoxy woven laminates, Defence Technology, 21, 2023, p88 - 93, p88-93Journal Article, 2023, DOI
Sahoo C.K., Bhatia G.S., Balaganesan G., Arockiarajan A., Post repair high velocity impact behaviour of carbon-glass hybrid composite: Experimental and numerical study, International Journal of Impact Engineering, 168, 2022Journal Article, 2022, DOI
Sahoo C.K., Bhatia G.S., Arockiarajan A., Effect of patch-parent stacking sequence and patch stiffness on the tensile behaviour of the patch repaired carbon-glass hybrid composite, Thin-Walled Structures, 179, 2022Journal Article, 2022, DOI
Bhatia G.S., Arockiarajan A., Compressive fatigue behavior of external patch repaired carbon/epoxy composites, Polymer Composites, 42, (12), 2021, p6827 - 6838, p6827-6838Journal Article, 2021, DOI
Bhatia G.S., Arockiarajan A., Flexural static and fatigue response of patch repaired laminated composites for different patch-parent configurations, Polymer Composites, 41, (11), 2020, p4559 - 4571, p4559-4571Journal Article, 2020, DOI
Bhatia G.S., Andrew J.J., Arockiarajan A., Experimental investigation on compressive behaviour of different patch"parent layup configurations for repaired carbon/epoxy composites, Journal of Composite Materials, 53, (23), 2019, p3269 - 3279, p3269-3279Journal Article, 2019, DOI
Bhatia G.S., Arockiarajan A., Fatigue studies on patch repaired carbon/epoxy woven composites, Composites Part B: Engineering, 175, 2019Journal Article, 2019, DOI
Bhatia G.S., Andrew J.J., Balaganesan G., Arockiarajan A., The role of patch-parent configurations on the tensile response of patch repaired carbon/epoxy laminates, Polymer Testing, 70, 2018, p413 - 425, p413-425Journal Article, 2018, DOI
Hejjaji A.A., Bhatia G.S., Pothnis J.R., Comer A.J., CHARACTERIZING THE FATIGUE BEHAVIOR OF SUSTAINABLE POLYMER MATRIX COMPOSITES FOR OFFSHORE STRUCTURAL APPLICATIONS USING THERMOGRAPHY: THERMOSET VS THERMOPLASTIC, International SAMPE Technical Conference, 2023-April, 2023Conference Paper, 2023, DOI

A. Comer, A. Hejjaji, G. Bhatia, J. R. Pothnis and J. Cardoso, Fatigue performance of composites, Fibregy, June, 2024Report, URL

Dr. Bhatia specializes in composites materials. His research integrates experimental mechanics, materials characterization, and fractography. His recent works focus on understanding failure mechanisms in composites. Towards this, he has secured beam time as a co-applicant at major synchrotron facilities, including ESRF (France) and Diamond Light Source (UK). His current interests include the repair of offshore energy structures, sustainable composites, bio-inspired materials, and advanced composites for prosthetic applications.

Mechanical Engineering, Aerospace materials, Numerical modelling and mechanical characterisation, Composite and hybrid materials,

Recognition

Recipient of Post-Doctoral Equivalent fellowship at Indian Institute of Technology Madras from Jan 2021 to July 2021. 2021 January - 2021 July
Granted HTRA, a fellowship funded by Ministry of Human Resource and Development, India for the period from Jan 2016 to Dec 2022 for my master"s and doctoral research program upon qualifying a national level graduate aptitude examination (GATE) 2016 January - 2022 December
Recipient of prestigious Institute Research award at Indian Institute of Technology Madras in recognition of work conducted during doctoral research. 2021

Member of Engineers Ireland (Member MIEI)
Professional member of Society for the Advancement of Material and Process Engineering (SAMPE).

Paper reviewer for Journal of composite materials
Paper reviewer for Materials Circular Economy
Paper reviewer for Structural Health Monitoring