Surface-Mounted Distributed Fiber Optic Sensor Measurements, and Concrete Damaged Plasticity Modeling for Damage Analysis of Reinforced Concrete Beams

Paper

Jayawickrema, U. M. N., Kumar, A. S., Herath, H. M. C. M., Hettiarachchi, N. K., Sooriyaarachchi, H. P. and Epaarachchi, J. A.. 2021. "Surface-Mounted Distributed Fiber Optic Sensor Measurements, and Concrete Damaged Plasticity Modeling for Damage Analysis of Reinforced Concrete Beams." ASME 2021 Conference on Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS2021). United States and Online United States. https://doi.org/10.1115/SMASIS2021-67524
Paper/Presentation Title

Surface-Mounted Distributed Fiber Optic Sensor Measurements, and Concrete Damaged Plasticity Modeling for Damage Analysis of Reinforced Concrete Beams

Presentation TypePaper
AuthorsJayawickrema, U. M. N. (Author), Kumar, A. S. (Author), Herath, H. M. C. M. (Author), Hettiarachchi, N. K. (Author), Sooriyaarachchi, H. P. (Author) and Epaarachchi, J. A. (Author)
Journal or Proceedings TitleProceedings of the ASME 2021 Conference on Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS2021)
Article NumberSMASIS2021-67524
Number of Pages7
Year2021
Place of PublicationUnited States
ISBN9780791885499
Digital Object Identifier (DOI)https://doi.org/10.1115/SMASIS2021-67524
Web Address (URL) of Paperhttps://asmedigitalcollection.asme.org/SMASIS/proceedings-abstract/SMASIS2021/85499/V001T08A002/1122688
Web Address (URL) of Conference Proceedingshttps://asmedigitalcollection.asme.org/SMASIS/SMASIS2021/volume/85499
Conference/EventASME 2021 Conference on Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS2021)
Event Details
ASME 2021 Conference on Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS2021)
Parent
Annual ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS)
Delivery
Online
Event Location
United States and Online
Abstract

Structural health monitoring (SHM) has become an integral part of essential and costly to replace infrastructures such as bridges and buildings which degrade during their lifetime. Understanding the structural behaviour of these infrastructures is critical for assuring their structural integrity and safe operating conditions. In this study, the structural performance of a reinforced concrete beam was examined under flexural loading. Distributed optical fibre sensor (DOFS) was attached to the beam's bottom surface, and Optical Backscattered Reflectometry (OBR) technology was used to measure the surface strain. A three-point bending test was performed, and the sensor responses were acquired. Unusual high strain peaks were observed at the bottom surface of the beam due to the formation of hairline cracks. Subsequently, the Concrete Damaged Plasticity (CDP) based Finite Element Analysis (FEA) was performed to simulate the plastic behaviour of concrete beam using ABAQUS 2019 commercial software. The FEA results have strong agreement with the strain pattern observed from the DOFS. Therefore, DOFS and CDP technique based FEA can be successfully used to investigate the plastic damage pattern inside the concrete beam and distributed sensing demonstrates a greater capacity for long-term monitoring of the structural health of concrete structures.

KeywordsConcrete damaged plasticity; Damage prediction; Distributed optical fibre sensing; Reinforced concrete structures; Strain measurement; Structural health monitoring
Contains Sensitive ContentDoes not contain sensitive content
ANZSRC Field of Research 2020401706. Numerical modelling and mechanical characterisation
400599. Civil engineering not elsewhere classified
401799. Mechanical engineering not elsewhere classified
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Institution of OriginUniversity of Southern Queensland
Byline AffiliationsCentre for Future Materials
Centre for Future Materials
Uva Wellassa University of Sri Lanka, Sri Lanka
University of Ruhuna, Sri Lanka
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Misnon, M. I., Islam, M. M., Epaarachchi, J. A., Chen, H., Goda, K. and Khan, M. T. I.. 2018. "Flammability characteristics of chemical treated woven hemp fabric reinforced vinyl ester composites." Science and Technology of Materials. 30 (3), pp. 174-188. https://doi.org/10.1016/j.stmat.2018.06.001
Investigation of ultraviolet radiation effects on thermomechanical properties and shape memory behaviour of styrene-based shape memory polymers and its composite
Al Azzawi, Wessam, Epaarachchi, J. A. and Leng, Jinsong. 2018. "Investigation of ultraviolet radiation effects on thermomechanical properties and shape memory behaviour of styrene-based shape memory polymers and its composite." Composites Science and Technology. 165, pp. 266-273. https://doi.org/10.1016/j.compscitech.2018.07.001
Investigation of FBG sensor performance in detection of delamination damage in a half-conical shape composite component
Kakei, Ayad, Manuela, Jerry, Srinivasan, Vishwas, Sharda, Arvind, Islam, Mainul and Epaarachchi, Jayantha. 2019. "Investigation of FBG sensor performance in detection of delamination damage in a half-conical shape composite component ." 12th International Workshop on Structural Health Monitoring (IWSHM). United States 10 - 12 Sep 2019 United States. https://doi.org/10.12783/shm2019/32451
Simulation of Tensile Stress Concentration Evaluation using Finite Element Performance
Salleh, Zulzamri, Islam, Md Mainul and Epaarachchi, Jayantha. 2019. "Simulation of Tensile Stress Concentration Evaluation using Finite Element Performance." International Journal of Innovative Technology and Exploring Engineering. 8 (12), pp. 5647-5652. https://doi.org/10.35940/ijitee.L3989.1081219
Structural performance and photothermal recovery of carbon fibre reinforced shape memory polymer
Herath, H. M .C. M., Epaarachchi, J. A., Islam, M. M., Al-Azzawi, W., Leng, J. and Zhang, F.. 2018. "Structural performance and photothermal recovery of carbon fibre reinforced shape memory polymer." Composites Science and Technology. 167, pp. 206-214. https://doi.org/10.1016/j.compscitech.2018.07.042
Thermo-mechanical behaviour and shape memory characteristics of carbon fibre reinforced epoxy
Herath, Madhubhashitha, Al-Azzawi, Wessam, Epaarachchi, Jayantha, Islam, Mainul, Robertson, Scott, Leng, Jinsong and Zhang, F.. 2018. "Thermo-mechanical behaviour and shape memory characteristics of carbon fibre reinforced epoxy." 2018 International Conference on Nanoscience and Nanotechnology (ICONN 2018). Wollongong, Australia 29 Jan - 02 Feb 2018
Flammability characteristics of chemical treated woven hemp fabric
Misnon, Mohd Iqbal, Islam, Md Mainul, Epaarachchi, Jayantha Ananda, Chen, Haizhen, Goda, Koichi and Khan, Md Tawhidul Islam. 2018. "Flammability characteristics of chemical treated woven hemp fabric." Advances in Materials Science and Engineering. 5 (1), pp. 1-20. https://doi.org/10.5121/msej.2018.5101
Effects of water absorption on mechanical properties of glass microballoons/vinyl ester syntactic foams
Salleh, Zulzamri, Islam, Md Mainul, Epaarachchi, Jayantha Ananda and Khan, Md Tawhidul Islam. 2018. "Effects of water absorption on mechanical properties of glass microballoons/vinyl ester syntactic foams." Research and Reviews in Materials Science and Chemistry. 8 (1), pp. 59-119.
Evaluation of delamination crack tip in woven fibre glass reinforced polymer composite using FBG sensor spectra and thermo-elastic response
Kakei, Ayad, Epaarachchi, J. A., Islam, Mainul and Leng, J.. 2018. "Evaluation of delamination crack tip in woven fibre glass reinforced polymer composite using FBG sensor spectra and thermo-elastic response." Measurement. 122, pp. 178-185. https://doi.org/10.1016/j.measurement.2018.03.023
Use of fiber Bragg grating sensors for monitoring delamination damage propagation in glass-fiber reinforced composite structures
Kakei, Ayad and Epaarachchi, Jayantha A.. 2018. "Use of fiber Bragg grating sensors for monitoring delamination damage propagation in glass-fiber reinforced composite structures." Frontiers of Optoelectronics. 11 (1), pp. 60-68. https://doi.org/10.1007/s12200-018-0761-9
Implementation of a finite element analysis procedure for structural analysis of shape memory behaviour of fibre reinforced shape memory polymer composites
Al Azzawi, Wessam, Epaarachchi, J. A., Islam, Mainul and Leng, Jinsong. 2017. "Implementation of a finite element analysis procedure for structural analysis of shape memory behaviour of fibre reinforced shape memory polymer composites." Smart Materials and Structures. 26 (12), pp. 1-13. https://doi.org/10.1088/1361-665X/aa928e
Quantitative and qualitative analyses of mechanical behavior and dimensional stability of styrene-based shape memory composites
Al Azzawi, Wessam, Islam, Mainul M., Leng, Jinsong, Li, Fengfeng and Epaarachchi, Jayantha A.. 2017. "Quantitative and qualitative analyses of mechanical behavior and dimensional stability of styrene-based shape memory composites." Journal of Intelligent Material Systems and Structures. 28 (20), pp. 3115-3126. https://doi.org/10.1177/1045389X17705210
Water exposure, tensile and fatigue properties of treated hemp reinforced vinyl ester composites
Misnon, Mohd Iqbal, Islam, Mainul, Epaarachchi, Jayantha, Affandi, Nor Dalila Nor and Wang, Hao. 2018. "Water exposure, tensile and fatigue properties of treated hemp reinforced vinyl ester composites ." National Symposium on Polymeric Materials 2017 (NSPM 2017). Selangor, Malaysia 21 - 22 Oct 2017 United States . AIP Publishing. https://doi.org/10.1063/1.5047164
Use of an elasto-plastic model and strain measurements of embedded fibre Bragg grating sensors to detect Mode I delamination crack propagation in woven cloth (0/90) composite materials
Kakei, Ayad Arab, Islam, Mainul, Leng, Jingsong and Epaarachchi, Jayantha A.. 2018. "Use of an elasto-plastic model and strain measurements of embedded fibre Bragg grating sensors to detect Mode I delamination crack propagation in woven cloth (0/90) composite materials." Structural Health Monitoring: an international journal. 17 (2), pp. 363-378. https://doi.org/10.1177/1475921717694812
Determination of coefficient thermal expansion of glass microballoon/vinyl ester syntactic foams
Salleh, Zulzamri, Islam, Md Mainul and Epaarachchi, Jayantha Ananda. 2016. "Determination of coefficient thermal expansion of glass microballoon/vinyl ester syntactic foams." 3rd Advanced Materials Conference (AMC 2016): Advanced Materials for Sustainability and Growth. Langkawi, Malaysia 28 - 29 Nov 2016 Malaysia. AIP Publishing. https://doi.org/10.1063/1.5010477
Thermogravimetry analysis on fused borosilicate syntactic foams
Salleh, Zulzamri, Islam, Md Mainul and Epaarachchi, Jayantha Ananda. 2017. "Thermogravimetry analysis on fused borosilicate syntactic foams." 3rd Advanced Materials Conference (AMC 2016): Advanced Materials for Sustainability and Growth. Langkawi, Malaysia 28 - 29 Nov 2016 Kulim, Kedah, Malaysia. AIP Publishing. https://doi.org/10.1063/1.5010542
Analysis of stress concentration factor for tensile characteristics of syntactic foam using finite element method
Salleh, Zulzamri, Islam, Md Mainul and Epaarachchi, Jayantha Ananda. 2017. "Analysis of stress concentration factor for tensile characteristics of syntactic foam using finite element method." Journal of Research Updates in Polymer Science. 6 (1), pp. 21-32. https://doi.org/10.6000/1929-5995.2017.06.01.4
Vinyl ester/glass microballoon syntactic foams with low density
Salleh, Zulzamri, Islam, Md Mainul, Epaarachchi, Jayantha Ananda and Su, Haibin. 2017. "Vinyl ester/glass microballoon syntactic foams with low density." International Research Journal of Materials Sciences and Applications. 2017 (1), pp. 1-25.
Investigation of the impact properties of glass fibre / HMPP fibre hybrid composite materials for civil infrastructure constructions
Malvern, J. L., Epaarachchi, J. A. and Lau, K. T.. 2011. "Investigation of the impact properties of glass fibre / HMPP fibre hybrid composite materials for civil infrastructure constructions." 18th International Conference on Composite Materials (ICCM-18). Jeju, Korea 21 - 26 Aug 2011 Korea.
Identification of distortions to FBG spectrum using FBG fixed filters
Kahandawa, G. C., Epaarachchi, J. A. and Wang, H.. 2011. "Identification of distortions to FBG spectrum using FBG fixed filters." Lee, Woo (ed.) 18th International Conference on Composite Materials (ICCM-18). Jeju, Korea 21 - 26 Aug 2011 Korea.
Selection of hemp fabric as reinforcement in composite materials
Misnon, Mohd Iqbal, Islam, Md Mainul, Epaarachchi, Jayantha Ananda and Lau, Kin-tak. 2014. "Selection of hemp fabric as reinforcement in composite materials." Mashud, Mohammad (ed.) 3rd International Conference on Mechanical, Industrial and Energy Engineering (ICMIEE 2014). Khulna, Bangladesh 26 - 27 Dec 2014 Khulna, Bangladesh.
Compressive properties of ceramic microballoon syntactic foams
Salleh, Zulzamri, Islam, Md Mainul and Epaarachchi, Jayantha Ananda. 2014. "Compressive properties of ceramic microballoon syntactic foams." Mashud, Mohammad (ed.) 3rd International Conference on Mechanical, Industrial and Energy Engineering (ICMIEE 2014). Khulna, Bangladesh 26 - 27 Dec 2014 Khulna, Bangladesh.
Development of fracture and damage modeling concepts for composite materials
Kakei, Ayad Arab Ghaidan, Epaarachchi, Jayantha Ananda, Islam, M. Mainul and Leng, Jinsong. 2016. "Development of fracture and damage modeling concepts for composite materials." Epaarachchi, Jayantha Ananda and Kahandawa, Gayan Chanaka (ed.) Structural health monitoring technologies and next-generation smart composite structures. Roca Raton, USA. CRC Press. pp. 341-368
Effect of a nano-fibrous structure on the nanofiber mat's hydrophobicity
Javazmi, L., Khodami, A., Mazrouei-Sebdani, Z. and Epaarachchi, J.. 2016. "Effect of a nano-fibrous structure on the nanofiber mat's hydrophobicity." 2016 International Conference on Nanoscience and Nanotechnology (ICONN 2016) . Canberra, Australia 07 - 11 Feb 2016
Integration of textile fabric and coconut shell in particleboard
Misnon, M. I., Bahari, S. A., Islam, M. M. and Epaarachchi, J. A.. 2013. "Integration of textile fabric and coconut shell in particleboard ." Epaarachchi, Jayantha A., Lau, Alan Kin-tak and Leng, Jinsong (ed.) 4th International Conference on Smart Materials and Nanotechnology in Engineering (SMN 2013). Gold Coast, Australia 10 - 12 Jul 2013 United States. https://doi.org/10.1117/12.2027836
Mechanical properties of sandwich composite made of syntactic foam core and GFRP skins
Salleh, Zulzamri, Islam, Md Mainul, Epaarachchi, Jayantha Ananda and Su, Haibin. 2016. "Mechanical properties of sandwich composite made of syntactic foam core and GFRP skins." AIMS Material Science. 3 (4), pp. 1704-1727. https://doi.org/10.3934/matersci.2016.4.1704
Analysis of stress concentration factor around the hole of syntactic foam tensile specimens
Salleh, Z., Islam, M. M. and Epaarachchi, J. A.. 2016. "Analysis of stress concentration factor around the hole of syntactic foam tensile specimens." International Journal of Advances in Science, Engineering and Technology (IJASEAT). 4 (3), pp. 102-106.
Woven hemp fabric reinforced vinyl ester composite: effect of water absorption on the mechanical properties degradation
Misnon, Mohd Iqbal, Islam, Md Mainul, Epaarachchi, Jayantha Ananda, Wang, Hao and Lau, Kin-tak. 2016. "Woven hemp fabric reinforced vinyl ester composite: effect of water absorption on the mechanical properties degradation." International Journal of Advances in Science, Engineering and Technology (IJASEAT). 4 (3), pp. 96-101.
Woven hemp fabric reinforced vinyl ester composite treated with fire retardant
Misnon, Mohd Iqbal, Islam, Md Mainul, Epaarachchi, Jayantha Ananda, Chen, Haizhen and Wang, Hao. 2016. "Woven hemp fabric reinforced vinyl ester composite treated with fire retardant." International Journal of Advances in Science, Engineering and Technology (IJASEAT). 4 (3), pp. 90-95.
Shape memory polymers and their applications
Al Azzawi, W. S., Epaarachchi, Jayantha Ananda, Islam, M. Mainul and Leng, Jinsong. 2016. "Shape memory polymers and their applications." Epaarachchi, Jayantha Ananda and Kahandawa, Gayan Chanaka (ed.) Structural health monitoring technologies and next-generation smart composite structures. Boca Raton, Florida. CRC Press. pp. 447-478
Important aspects of finite element modeling of low density thermo plastic closed cell foams
Thota, N. M., Epaarachchi, J. A. and Lau, K. T.. 2013. "Important aspects of finite element modeling of low density thermo plastic closed cell foams." Mishra, G. C. and Sanskriti, Krishi (ed.) 3rd World Congress on Frontiers of Mechanical, Aerospace and Automotive Engineering (WCFMAAE 2013). New Delhi, India 02 - 03 Feb 2013 New Delhi, India.
Detection and characterisation of delamination damage propagation in woven glass fibre reinforced polymer composite using thermoelastic response mapping
Kakei, Ayad, Epaarachchi, J. A., Islam, Mainul, Leng, J. and Rajic, N.. 2016. "Detection and characterisation of delamination damage propagation in woven glass fibre reinforced polymer composite using thermoelastic response mapping." Composite Structures. 153, pp. 442-450. https://doi.org/10.1016/j.compstruct.2016.06.044
Mechanical properties of low density glass microballoon/vinyl ester syntactic foam for marine application
Salleh, Zulzamri, Islam, Md Mainul and Epaarachchi, Jayantha Ananda. 2015. "Mechanical properties of low density glass microballoon/vinyl ester syntactic foam for marine application." 12th Composites Australia and CRC-ACS Conference 2015: Game On! Winning with Composites. Gold Coast, Australia 21 - 23 Apr 2015
Compressive behaviour of low density polymeric syntactic foams
Salleh, Zulzamri, Islam, Md Mainul and Epaarachchi, Jayantha Ananda. 2015. "Compressive behaviour of low density polymeric syntactic foams." Applied Mechanics and Materials. 799-800, pp. 135-139. https://doi.org/10.4028/www.scientific.net/AMM.799-800.135
Analyses of woven hemp fabric characteristics for composite reinforcement
Misnon, M. I., Islam, M. M., Epaarachchi, J. A. and Lau, K. T.. 2015. "Analyses of woven hemp fabric characteristics for composite reinforcement." Materials and Design. 66 (A), pp. 82-92. https://doi.org/10.1016/j.matdes.2014.10.037
Evaluation of the blunt thoracic trauma caused by solid sports ball impacts
Thota, Narasimha, Epaarachchi, Jayantha and Lau, Kin Tak. 2015. "Evaluation of the blunt thoracic trauma caused by solid sports ball impacts." Journal of Biomechanical Science and Engineering. 10 (2). https://doi.org/10.1299/jbse.14-00264
Viscous criterion and its relation with the projectile-thorax energy interactions
Thota, Narasimha, Epaarachchi, Jayantha and Lau, Kin Tak. 2014. "Viscous criterion and its relation with the projectile-thorax energy interactions." 8th Australasian Congress on Applied Mechanics (ACAM 8). Melbourne, Australia 24 - 28 Nov 2014
Evaluation of the blunt thoracic trauma due to baseball impacts – review of the Blunt Criterion
Thota, Narasimha M., Epaarachchi, Jayantha A. and Lau, Kin Tak. 2014. "Evaluation of the blunt thoracic trauma due to baseball impacts – review of the Blunt Criterion." 8th Australasian Congress on Applied Mechanics (ACAM 8). Melbourne, Australia 24 - 28 Nov 2014
Effect of energy absorbing mechanisms on the blunt thoracic trauma caused by ballistic impacts
Thota, Narasimha M., Epaarachchi, Jayantha A. and Lau, Kin Tak. 2014. "Effect of energy absorbing mechanisms on the blunt thoracic trauma caused by ballistic impacts." 8th Australasian Congress on Applied Mechanics (ACAM 8). Melbourne, Australia 24 - 28 Nov 2014
Review of anthropomorphic test dummies for the evaluation of thoracic trauma due to blunt ballistic impacts
Thota, Narasimha M., Epaarachchi, Jayantha A. and Lau, Kin Tak. 2014. "Review of anthropomorphic test dummies for the evaluation of thoracic trauma due to blunt ballistic impacts." 8th Australasian Congress on Applied Mechanics (ACAM 8). Melbourne, Australia 24 - 28 Nov 2014
Impact location determination on thin laminated composite plates using an NIR-FBG sensor system
Hafizi, Z. M., Epaarachchi, J. and Lau, K. T.. 2015. "Impact location determination on thin laminated composite plates using an NIR-FBG sensor system." Measurement. 61, pp. 51-57. https://doi.org/10.1016/j.measurement.2014.08.040
Signal monitoring system for monitoring strain applied to a composite component
Kahandawa Appuhamillage, Gayan Chanaka, Epaarachchi, Jayantha and Wang, Hao. 2015. Signal monitoring system for monitoring strain applied to a composite component. US Patent No. 9063032 B2/23rd June 2015
CAE simulation based methodology for airbag compliant vehicle front protection system development
Thota, Narasimha, Epaarachchi, Jayantha and Lau, Kin Tak. 2013. "CAE simulation based methodology for airbag compliant vehicle front protection system development." International Journal of Vehicle Structures and Systems. 5 (3-4), pp. 95-104. https://doi.org/10.4273/ijvss.5.3-4.04
Potentiality of utilising natural textile materials for engineering composites applications
Misnon, Mohd Iqbal, Islam, Md Mainul, Epaarachchi, Jayantha Ananda and Lau, Kin-tak. 2014. "Potentiality of utilising natural textile materials for engineering composites applications." Materials and Design. 59, pp. 359-368. https://doi.org/10.1016/j.matdes.2014.03.022
Development and validation of a thorax surrogate FE model for assessment of trauma due to high speed blunt impacts
Thota, Narasimha, Epaarachchi, Jayantha and Lau, Kin-Tak. 2014. "Development and validation of a thorax surrogate FE model for assessment of trauma due to high speed blunt impacts." Journal of Biomechanical Science and Engineering. 9 (1), pp. 08-1. https://doi.org/10.1299/jbse.2014jbse0008
An investigation of acoustic emission signal attenuation for monitoring of progressive failure in fiberglass reinforced composite laminates
Hafizi, Z. M., Epaarachchi, J. and Lau, K. T.. 2013. "An investigation of acoustic emission signal attenuation for monitoring of progressive failure in fiberglass reinforced composite laminates ." International Journal of Automotive and Mechanical Engineering. 8 (1), pp. 1442-1456. https://doi.org/10.15282/ijame.8.2013.31.0119
Prediction of obsolete FBG sensor using ANN for efficient and robust operation of SHM systems
Kahandawa, Gayan C., Epaarachchi, Jayantha A., Wang, Hao and Lau, K. T.. 2013. "Prediction of obsolete FBG sensor using ANN for efficient and robust operation of SHM systems." 4th Asia-Pacific Workshop on Structural Health Monitoring (APWSHM 2012). Melbourne, Australia 05 - 07 Dec 2012 Zurich, Switzerland. https://doi.org/10.4028/www.scientific.net/KEM.558.546
Smart structure for small wind turbine blade
Supeni, E. E., Epaarachchi, J. A., Islam, M. M. and Lau, K. T.. 2013. "Smart structure for small wind turbine blade." Epaarachchi, Jayantha A., Lau, Alan Kin-tak and Leng, Jinsong (ed.) 4th International Conference on Smart Materials and Nanotechnology in Engineering (SMN 2013). Gold Coast, Australia 10 - 12 Jul 2013 United States. https://doi.org/10.1117/12.2027725
Embedded fibre optic sensors under multi-axial loading: a pilot study
Peauril, J., Epaarachchi, J., Lau, K. T. and Wang, H.. 2013. "Embedded fibre optic sensors under multi-axial loading: a pilot study." Epaarachchi, Jayantha A. , Lau, Alan Kin-tak and Leng, Jinsong (ed.) 4th International Conference on Smart Materials and Nanotechnology in Engineering (SMN 2013). Gold Coast, Australia 10 - 12 Jul 2013 Bellingham, WA. United States. SPIE. https://doi.org/10.1117/12.2027958
NIR fibre bragg grating as dynamic sensor: an application of 1D digital wavelet analysis for signal denoising
Hafizi, Z. M., Kahandawa, G. C., Epaarachchi, J., Lau, K. T., Canning, J. and Cook, K.. 2013. "NIR fibre bragg grating as dynamic sensor: an application of 1D digital wavelet analysis for signal denoising ." Epaarachchi, Jayantha A. , Lau, Alan Kin-tak and Leng, Jinsong (ed.) 4th International Conference on Smart Materials and Nanotechnology in Engineering (SMN 2013). Gold Coast, Australia 10 - 12 Jul 2013 Bellingham, WA. United States. https://doi.org/10.1117/12.2026668
Indexing damage using distortion of embedded FBG sensor response spectra
Kahandawa, Gayan C., Epaarachchi, Jayantha A. and Lau, K. T.. 2013. "Indexing damage using distortion of embedded FBG sensor response spectra ." Epaarachchi, Jayantha A. , Lau, Alan Kin-tak and Leng, Jinsong (ed.) 4th International Conference on Smart Materials and Nanotechnology in Engineering (SMN 2013). Gold Coast, Australia 10 - 12 Jul 2013 Bellingham, WA. United States. https://doi.org/10.1117/12.2027945
Extraction and processing of real time strain of embedded FBG sensors using a fixed filter FBG circuit and an artificial neural network
Kahandawa, Gayan C., Epaarachchi, Jayantha, Wang, Hao, Canning, John and Lau, K. T.. 2013. "Extraction and processing of real time strain of embedded FBG sensors using a fixed filter FBG circuit and an artificial neural network." Measurement. 46 (10), pp. 4045-4051. https://doi.org/10.1016/j.measurement.2013.07.029
Development of artificial neural network model in predicting performance of the smart wind turbine blade
Supeni, E. E., Epaarachchi, J. A., Islam, M. M. and Lau, K. T.. 2013. "Development of artificial neural network model in predicting performance of the smart wind turbine blade." 3rd Malaysian Postgraduate Conference (MPC 2013). Sydney, Australia 04 - 05 Jul 2013 Sydney, Australia.
Textile material forms for reinforcement materials: a review
Misnon, M. I., Islam, M. M., Epaarachchi, J. and Lau, K. T.. 2013. "Textile material forms for reinforcement materials: a review." 3rd Malaysian Postgraduate Conference (MPC 2013). Sydney, Australia 04 - 05 Jul 2013 Sydney, Australia.
Wave propogation scattering due to defect on thin composite plates
Hafizi, Z. M., Epaarachchi, J. and Lau, K. T.. 2013. "Wave propogation scattering due to defect on thin composite plates." 3rd Malaysian Postgraduate Conference (MPC 2013). Sydney, Australia 04 - 05 Jul 2013 Sydney, Australia.
Estimation of strain of distorted FBG sensor spectra using a fixed FBG filter circuit and an artificial neural network
Kahandawa, Gayan C., Epaarachchi, Jayantha, Lau, K. T. and Canning, John. 2013. "Estimation of strain of distorted FBG sensor spectra using a fixed FBG filter circuit and an artificial neural network ." Palaniswami, M., Leckie, C., Kanhere, S. and Gubbi, J. (ed.) IEEE 8th International Conference on Intelligent Sensors, Sensor Networks and Information Processing (ISSNIP 2013): Sensing the Future. Melbourne, Australia 02 - 05 Apr 2013 Piscataway, NJ. United States. https://doi.org/10.1109/ISSNIP.2013.6529770
Effect of the energy absorbing mechanisms on the blunt thoracic trauma caused by a typical foam projectile
Thota, Narasimha M., Epaarachchi, Jayantha A. and Lau, Kin-tak. 2013. "Effect of the energy absorbing mechanisms on the blunt thoracic trauma caused by a typical foam projectile." Mishra, G. C. and Sanskriti, Krishi (ed.) 3rd World Congress on Frontiers of Mechanical, Aerospace and Automotive Engineering (WCFMAAE 2013). New Delhi, India 02 - 03 Feb 2013 New Delhi, India.
Effect of the foam embellishments on the pedestrian safety of the vehicle front protection systems
Thota, N. M., Epaarachchi, J. A. and Lau, K. T.. 2013. "Effect of the foam embellishments on the pedestrian safety of the vehicle front protection systems." Mishra, G. C. and Sanskriti, Krishi (ed.) 3rd World Congress on Frontiers of Mechanical, Aerospace and Automotive Engineering (WCFMAAE 2013). New Delhi, India 02 - 03 Feb 2013 New Delhi, India.
Non-velocity based analysis of passive ultrasonic signal for source location detection in composite plates: a pilot study
Hafizi, Z. M., Epaarachchi, J., Nizwan, C. K. E. and Lau, K. T.. 2012. "Non-velocity based analysis of passive ultrasonic signal for source location detection in composite plates: a pilot study." 1st International Conference of Mechanical Engineering Research (ICMER 2011). Kuantan, Malaysia 05 - 07 Dec 2011 Bristol, United Kingdom . https://doi.org/10.1088/1757-899X/36/1/012008
Modal acoustic emission investigation for progressive failure monitoring in thin composite plates under tensile test
Hafizi, Mohd Zohari, Epaarachchi, Jayantha Ananda and Lau, K. T.. 2013. "Modal acoustic emission investigation for progressive failure monitoring in thin composite plates under tensile test." Key Engineering Materials. 558 (558), pp. 65-75. https://doi.org/10.4028/www.scientific.net/KEM.558.65
Optimized FBG sensor network for efficient detection of a delamination in FRP structures
Kahandawa, G. C., Epaarachchi, J. A., Wang, H. and Lau, K. T.. 2012. "Optimized FBG sensor network for efficient detection of a delamination in FRP structures." Jaafar, M., Azura, A. R., Leong, K. H. and Leong, A. Y. L. (ed.) 8th Asian-Australasian Conference on Composite Materials (ACCM 2012): Composites: Enabling Tomorrow's Industry Today. Kuala Lumpur, Malaysia 06 - 08 Nov 2012 Kowloon, Hong Kong.
Detecting delamination in a composite structure using an embedded FBG-AE hybrid system
Kahandawa, G. C., Hafizi, Z. M., Epaarachchi, J. and Lau, K. T.. 2012. "Detecting delamination in a composite structure using an embedded FBG-AE hybrid system." Kotousov, Andrei (ed.) 7th Australasian Congress on Applied Mechanics (ACAM 2012). Adelaide, Australia 09 - 12 Dec 2012 Canberra, Australia.
Modelling of tensile properties glass powder/epoxy composites post-cured in an oven and in microwaves
Ku, H., Epaarachchi, J., Trada, M. and Wong, P.. 2013. "Modelling of tensile properties glass powder/epoxy composites post-cured in an oven and in microwaves ." Journal of Reinforced Plastics and Composites. 32 (10), pp. 689-699. https://doi.org/10.1177/0731684412475333
An investigation of effective detection length of a localized micro-failure in a laminated thin composite plate using FBG sensor integrated AE system
Hafizi, Z. M., Epaarachchi, J. and Lau, K. T.. 2012. "An investigation of effective detection length of a localized micro-failure in a laminated thin composite plate using FBG sensor integrated AE system." Jaafar, M., Azura, A. R., Leong, K. H. and Leong, A. Y. L. (ed.) 8th Asian-Australasian Conference on Composite Materials (ACCM 2012): Composites: Enabling Tomorrow's Industry Today. Kuala Lumpur, Malaysia 06 - 08 Nov 2012 Kowloon, Hong Kong.
Development of smart wind turbine blades
Supeni, E. E., Epaarachchi, J. A., Islam, M. M. and Lau, K. T.. 2012. "Development of smart wind turbine blades." Jaafar, M., Azura, A. R., Leong, K. H and Leong, A. Y. L (ed.) 8th Asian-Australasian Conference on Composite Materials (ACCM 2012): Composites: Enabling Tomorrow's Industry Today. Kuala Lumpur, Malaysia 06 - 08 Nov 2012 Kowloon, Hong Kong.
Develop and validate a biomechanical surrogate of the human thorax using corrugated sheets: a feasibility study
Thota, Narasimha Murthy, Eepaarachchi, Jayantha A. and Lau, K. T.. 2012. "Develop and validate a biomechanical surrogate of the human thorax using corrugated sheets: a feasibility study." 7th Australasian Congress on Applied Mechanics (ACAM 2012). Adelaide, Australia 09 - 12 Dec 2012 Canberra, Australia.
Use of fixed wavelength Fibre-Bragg Grating (FBG) filters to capture time domain data from the distorted spectrum of an embedded FBG sensor to estimate strain with an artificial neural network
Kahandawa, G. C., Epaarachchi, J. A., Wang, H., Followell, D. and Birt, P.. 2013. "Use of fixed wavelength Fibre-Bragg Grating (FBG) filters to capture time domain data from the distorted spectrum of an embedded FBG sensor to estimate strain with an artificial neural network." Sensors and Actuators A: Physical. 194, pp. 1-7. https://doi.org/10.1016/j.sna.2012.12.028
Design of smart structures for wind turbine blades
Supeni, E. E., Epaarachchi, J. A., Islam, M. M. and Lau, K. T.. 2012. "Design of smart structures for wind turbine blades." Noor, M. M., Rahman, M. M. and Ismail, J. (ed.) 2nd Malaysian Postgraduate Conference (MPC 2012). Gold Coast, Australia 07 - 09 Jul 2012 Sydney, Australia.
Signal monitoring system and methods of operating same
Kahandawa, Gayan Chanaka, Epaarachchi, Jayantha and Wang, Hao. 2013. Signal monitoring system and methods of operating same. WO/2013/151607
Modal analysis of high frequency acoustic signal approach for progressive failure monitoring in thin composite plates
Hafizi, Z. M., Epaarachchi, J. and Lau, K. T.. 2012. "Modal analysis of high frequency acoustic signal approach for progressive failure monitoring in thin composite plates." 2nd Malaysian Postgraduate Conference (MPC 2012). Gold Coast, Australia 07 - 09 Jul 2012 Sydney, Australia.
Use of FBG sensors for SHM in aerospace structures
Kahandawa, Gayan C., Epaarachchi, Jayantha, Wang, Hao and Lau, K. T.. 2012. "Use of FBG sensors for SHM in aerospace structures." Photonic Sensors. 2 (3), pp. 203-214. https://doi.org/10.1007/s13320-012-0065-4
An investigation on the student performance in first year fundamental engineering course engineering statistics
Islam, Md Mainul and Epaarachchi, Jayantha Ananda. 2012. "An investigation on the student performance in first year fundamental engineering course engineering statistics." Mortimer, Rachel (ed.) 15th International First Year in Higher Education Conference (FYHE 2012) . Brisbane, Australia 26 - 29 Jun 2012 Brisbane, Australia.
An experimental investigation of early damage localization for thin glass fibre reinforced symmetric composite laminates
Hafizi, Z. M., Epaarachchi, J. and Lau, K. T.. 2012. "An experimental investigation of early damage localization for thin glass fibre reinforced symmetric composite laminates." Heslehurst, Rikard Benton and Byrne, Ann (ed.) Composites Australia and the CRC for Advanced Composite Structures Conference 2012: Diversity in Composites. Leura, Australia 15 - 16 Mar 2012 Melbourne, Australia.
Accelerated full scale fatigue testing of a small composite wind turbine blade using a mechanically operated test rig
Epaarachchi, Jayantha A. and Clausen, Philip D.. 2004. "Accelerated full scale fatigue testing of a small composite wind turbine blade using a mechanically operated test rig." Atrens, Andrej, Boland, J. N., Clegg, Richard and Griffiths, John (ed.) 2004 Structural Integrity and Fracture International Conference (SIF2004). Brisbane, Australia 26 - 29 Sep 2004 Australia.
Investigation of embedded near infrared fibre Bragg grating (FBG) sensors (830 nm) in structural health monitoring of glass fibre composite structures
Epaarachchi, Jayantha A., Canning, John and Stevenson, Michael. 2008. "Investigation of embedded near infrared fibre Bragg grating (FBG) sensors (830 nm) in structural health monitoring of glass fibre composite structures ." Sampson, David D. (ed.) 19th International Conference on Optical Fibre Sensors (OFS-19). Perth, Australia 15 - 18 Apr 2008 Bellingham, WA. United States. SPIE. https://doi.org/10.1117/12.786896
Dynamic behavior of hybrid composite bridge girder
Epaarachchi, J. A., Karunasena, W. and Aravinthan, T.. 2008. "Dynamic behavior of hybrid composite bridge girder." Aravinthan, Thiru, Karunasena, Warna (Karu) and Wang, Hao (ed.) 20th Australasian Conference on the Mechanics of Structures and Materials (ACMSM20). Toowoomba, Australia 02 - 05 Dec 2008 London, United Kingdom.
The developments of structural health/integrity monitoring systems using FBG sensors at CEEFC of USQ
Kahandawa, Gayan C., Epaarachchi, Jayantha A., Wang, Hao and Aravinthan, Thiru. 2010. "The developments of structural health/integrity monitoring systems using FBG sensors at CEEFC of USQ." Goh, Steven C. and Wang, Hao (ed.) 2010 Southern Region Engineering Conference (SREC 2010). Toowoomba, Australia 11 - 12 Nov 2010 Toowoomba, Australia.
The effect of viscoelasticity on fatigue behaviour of polymer matrix composites
Epaarachchi, J. A.. 2011. "The effect of viscoelasticity on fatigue behaviour of polymer matrix composites ." Guedes, Rui Miranda (ed.) Creep and fatigue in polymer matrix composites. Cambridge, United Kingdom. Woodhead Publishing Limited. pp. 492-513
Assessment of damage accumulation in glass fibre reinforced plastic (GFRP) composites under spectrum fatigue loading
Epaarachchi, Jayantha A.. 2006. "Assessment of damage accumulation in glass fibre reinforced plastic (GFRP) composites under spectrum fatigue loading." Hoffman, Mark and Price, John (ed.) 2006 International Conference on Structural Integrity and Failure (SIF2006). Sydney, Australia 27 - 29 Sep 2006 Australia.
Change of dynamic response of pultruded composite components used in advanced composite structures due to fatigue and fracture
Epaarachchi, J. A.. 2008. "Change of dynamic response of pultruded composite components used in advanced composite structures due to fatigue and fracture ." Aravinthan, Thiru, Karunasena, Warna and Wang, Hao (ed.) 20th Australasian Conference on the Mechanics of Structures and Materials (ACMSM20). Toowoomba, Australia 02 - 05 Dec 2008 London, United Kingdom.
Sensors, actuators, and intelligent processing [Preface]
Lau, Kin-Tak, Epaarachchi, Jayantha and Sudarshan, T. S.. 2010. "Sensors, actuators, and intelligent processing [Preface]." Materials and Manufacturing Processes. 25 (4), pp. 211-211. https://doi.org/10.1080/10426910903425036
Response Fibre Bragg Grating (FBG) strain sensors embedded at different locations through the thickness around a delamination in a composite lamina
Epaarachchi, Jayantha A., Rathnaweera, Gayan, Canning, John and Stevenson, Michael. 2010. "Response Fibre Bragg Grating (FBG) strain sensors embedded at different locations through the thickness around a delamination in a composite lamina." 7th Asian-Australasian Conference on Composites (ACCM7). Taipei, Taiwan 15 - 18 Nov 2010 Taipei, Taiwan.
Performance of aluminium/vinylester particulate composite
Epaarachchi, Jayantha A. and Reushle, Matthew T.. 2010. "Performance of aluminium/vinylester particulate composite." Nie, Jian-Feng and Morton, Allan (ed.) PRICM7: 7th Pacific Rim International Conference on Advanced Materials and Processing. Cairns, Australia 02 - 06 Aug 2010 Zurich, Switzerland. https://doi.org/10.4028/www.scientific.net/MSF.654-656.2656
An investigation of spectral response of embedded Fibre Bragg Grating (FBG) sensors in a hollow composite cylindrical beam under pure torsion and combined loading
Kahandawa, Gayan C., Epaarachchi, Jayantha A., Wang, Hao, Followell, David, Birt, Peter, Canning, John and Stevenson, Michael. 2010. "An investigation of spectral response of embedded Fibre Bragg Grating (FBG) sensors in a hollow composite cylindrical beam under pure torsion and combined loading." Teh, Kian, Davies, Ian and Howard, Ian (ed.) 6th Australasian Congress on Applied Mechanics (ACAM 6). Perth, Western Australia 12 - 15 Dec 2010 Perth, Australia.
Effects of the self distortions of embedded FBG sensors on spectral response due to torsional and combined loads
Kahandawa, Gayan C., Epaarachchi, Jayantha A., Wang, Hao and Canning, John. 2010. "Effects of the self distortions of embedded FBG sensors on spectral response due to torsional and combined loads." 3rd Asia-Pacific Workshop on Structural Health Monitoring (APWSHM 2010). Tokyo, Japan 30 Nov - 02 Dec 2010 Tokyo, Japan.
The response of embedded NIR (830 nm) fiber Bragg grating sensors in glass fiber composites under fatigue loading
Epaarachchi, Jayantha A., Canning, John and Stevenson, Michael. 2010. "The response of embedded NIR (830 nm) fiber Bragg grating sensors in glass fiber composites under fatigue loading." Journal of Composite Materials. 44 (7), pp. 809-819. https://doi.org/10.1177/0021998309346382
Dynamic behaviour of laterally loaded pultruted composite beams
Epaarachchi, Jayantha A. and Birt, Peter. 2009. "Dynamic behaviour of laterally loaded pultruted composite beams." Dyckmans, Gunther (ed.) 9th International Conference of the Mechanical and Physical Behaviour of Materials Under Dynamic Loading (DYMAT 2009). Brussels, Belgium 07 - 11 Sep 2009 France.
Effects of static fatigue on the tension-tension fatigue life of glass / polyester composites
Epaarachchi, Jayantha A.. 2005. "Effects of static fatigue on the tension-tension fatigue life of glass / polyester composites." Xie, Mike, Mouritz, Adrian, Khatibi, Akbar Afaghi, Gardiner, Craig and Chiu, Wing Kong (ed.) 4th Australasian Congress on Applied Mechanics (ACAM 2005). Melbourne, Australia 16 - 18 Feb 2005 North Melbourne, Vic, Australia.
A simplified empirical model for prediction of mechanical properties of random short fiber/vinylester composites
Epaarachchi, J., Ku, H. and Gohel, K.. 2010. "A simplified empirical model for prediction of mechanical properties of random short fiber/vinylester composites." Journal of Composite Materials. 44 (6), pp. 779-788. https://doi.org/10.1177/0021998309346383
Investigation of dynamic behaviour of a hybrid composite bridge girder
Epaarachchi, Jayantha A., Karunasena, Warna and Aravinthan, Thiru. 2007. "Investigation of dynamic behaviour of a hybrid composite bridge girder." Marshall, Ian (ed.) 14th International Conference on Composite Structures (ICCS 14). Melbourne, Australia 19 - 21 Nov 2007 Melbourne, Australia.
An investigation of the response of embedded near infrared fibre bragg grating (FBG) sensors (830nm) in glass fibre composites under fatigue loading
Epaarachchi, Jayantha A., Canning, John and Stevenson, Michael. 2007. "An investigation of the response of embedded near infrared fibre bragg grating (FBG) sensors (830nm) in glass fibre composites under fatigue loading." Marshall, Ian (ed.) 14th International Conference on Composite Structures (ICCS 14). Melbourne, Australia 19 - 21 Nov 2007 Melbourne, Australia.
Investigation of the use of near infrared FBG (830nm) sensors for monitoring the structural response of 0/90 woven cloth/CSM glass fibre/vynylester composite under static and fatigue loading
Epaarachchi, Jayantha A., Clegg, Richard E. and Canning, John. 2007. "Investigation of the use of near infrared FBG (830nm) sensors for monitoring the structural response of 0/90 woven cloth/CSM glass fibre/vynylester composite under static and fatigue loading." HUMS 2007: 5th DSTO International Conference on Health and Usage Monitoring . Melbourne, Australia 19 - 22 Mar 2007 Australia.
An experimental investigation of the properties of cross-ply laminate used for manufacturing of small aircraft components
Epaarachchi, Jayantha A. and Clegg, Richard. 2006. "An experimental investigation of the properties of cross-ply laminate used for manufacturing of small aircraft components." Composite Structures. 75 (1-4), pp. 93-99. https://doi.org/10.1016/j.compstruct.2006.04.080
A study of estimation of damage accumulation of glass fibre reinforce plastic (GFRP) composites under a block loading situation
Epaarachchi, Jayantha A.. 2006. "A study of estimation of damage accumulation of glass fibre reinforce plastic (GFRP) composites under a block loading situation." Composite Structures. 75 (1-4), pp. 88-92. https://doi.org/10.1016/j.compstruct.2006.04.063
The development of a fatigue loading spectrum for small wind turbine blades
Epaarachchi, Jayantha A. and Clausen, Philip D.. 2006. "The development of a fatigue loading spectrum for small wind turbine blades." Journal of Wind Engineering and Industrial Aerodynamics. 94, pp. 207-223. https://doi.org/10.1016/j.jweia.2005.12.007
Effects of static-fatigue (tension) on the tension-tension fatigue life of glass fibre reinforced plastic composites
Epaarachchi, Jayantha A.. 2006. "Effects of static-fatigue (tension) on the tension-tension fatigue life of glass fibre reinforced plastic composites." Composite Structures. 74 (4), pp. 419-425. https://doi.org/10.1016/j.compstruct.2005.04.022
A new cumulative fatigue damage model for glass fibre reinforced plastic composites under step/discrete loading
Epaarachchi, Jayantha A. and Clausen, Philip D.. 2005. "A new cumulative fatigue damage model for glass fibre reinforced plastic composites under step/discrete loading." Composites Part A: Applied Science and Manufacturing. 36 (9), pp. 1236-1245. https://doi.org/10.1016/j.compositesa.2005.01.021
An empirical model for fatigue behavior prediction of glass fibre-reinforced plastic (GFRP) composites for various stress ratios and test frequencies
Epaarachchi, Jayantha A. and Clausen, Philip D.. 2003. "An empirical model for fatigue behavior prediction of glass fibre-reinforced plastic (GFRP) composites for various stress ratios and test frequencies." Composites Part A: Applied Science and Manufacturing. 34 (4), pp. 313-326. https://doi.org/10.1016/S1359-835X(03)00052-6