Journal Publications

1. Markarian, E., Qiblawi, S., Krishnan, S., Divakaran, A., Ramalingam Rethnam, O., Thomas, A., and Azar. E. 2024. “Informing building retrofits at low computational costs: a multi-objective optimization using machine learning surrogates of building performance simulation models”. Journal of Building Performance Simulation (Taylor & Francis).
2. Francis, A., Padmanabhan, V. and Thomas, A. (2024). “A life cycle assessment–based case study analysis of the sustainability of “vernacular” versus contemporary construction techniques”. Engineering, Construction and Architectural Management (Emerald Insight).
3. Mahlan, S., Francis, A., Thumuganti, V., Thomas, A., Sadick, A. M., and Tokede, O. (2024). “An integrated life cycle assessment and energy simulation framework for residential building walling systems”. Building and Environment, 257, 111542.
4. Ramalingam Rethnam, O., and Thomas, A. 2024. “A physics-informed deep learning-based Urban Building Thermal Comfort Modeling and Prediction framework for identifying thermally vulnerable building stock”. Smart and Sustainable Built Environment (Emerald Insight).
5. Ramalingam Rethnam, O., and Thomas, A. 2024. “A Modeling-based Decision Support System for Enabling Mass Net-Zero Energy Retrofit of Building Communities in Developing Countries”. Journal of Architectural Engineering (ASCE). 30(3): 1– 15.
6. Rajput, T. S., Padmanabhan, V., and Thomas, A. (2024). “Analyzing the thermal performance of wall materials to improve thermal comfort in affordable housing using a computational fluid dynamics approach”. Energy & Buildings, 114480.
7. Rajput, T. S., and Thomas, A. (2024). “A spatial mapping of thermal comfort and air quality (SMTC-AQ) framework for the built environment using computational fluid dynamics approach”. Journal of Building Engineering, 82, 108267.
8. Rethnam, O.R., and Thomas, A. (2024). “Urban Building Energy Modelling-based framework to analyze the effectiveness of the community-wide implementation of national energy conservation codes”. Smart and Sustainable Built Environment (Emerald Insight).
9. Rethnam, O.R., and Thomas, A. (2023). “A Community Building Energy Modelling Life Cycle Cost Analysis framework to design and operate net zero energy communities”. Sustainable Production and Consumption (Elsevier).
10. Francis, A., and Thomas, A. (2023). “Sustainability Assessment and Benchmarking Framework for Buildings Using a System Dynamics Modeling and Simulation Approach”. Journal of Computing in Civil Engineering (ASCE), 37(3), 04023005.
11. Francis, A., and Thomas, A. (2023). “System dynamics modelling coupled with multi-criteria decision-making (MCDM) for sustainability-related policy analysis and decision-making in the built environment”. Smart and Sustainable Built Environment, Emerald Insight, 534-564.
12. Singh Rajput, T., and Thomas, A. (2022). “Optimizing passive design strategies for energy efficient buildings using hybrid artificial neural network (ANN) and multi-objective evolutionary algorithm through a case study approach”. International Journal of Construction Management (Taylor and Francis), 1-13.
13. Francis, A., and Thomas, A. (2022). “A Framework for Dynamic Life Cycle Sustainability Assessment and Policy Analysis of Built Environment through a System Dynamics Approach”. Sustainable Cities and Society (Elsevier), 103521.
14. Sudha, J., S., and Thomas, A. (2021). “Integrated Model and Index for Circular Economy in the Built-Environment in the Indian Context”. Construction Economics and Building (UTS ePRESS), 21(3).
15. Ruikar, K., Kotecha, K., Sandbhor, S., and Thomas, A. (2021) SPECIAL ISSUE EDITORIAL: “Next Generation ICTs-How distant is ubiquitous computing?”. Journal of IT in Construction
16. Payyanapota, A., and Thomas, A. (2021). “An Analytical Hierarchy based Optimization Framework to aid Sustainable Assessment of Buildings”. Journal of Building Engineering, (Elsevier), 35, 102003.
17. Raphael, B., Thomas, A., and Louis, J. (2020). Sensing and Data Analytics. Frontiers in Built Environment, 6, 183.
18. Mahadevan, M., Francis, A., and Thomas, A. (2020). “A simulation-based investigation of sustainability aspects of 3D printed structures”. Journal of Building Engineering (Elsevier), 32, 101735.
19. Delhi, V. S. K., and Thomas, A. (2020). “Detection of Personal Protective Equipment (PPE) compliance on construction site using Computer Vision based Deep Learning techniques”. Frontiers in Built Environment, 6, 136.
20. Francis, A., and Thomas, A. (2020). “Exploring the relationship between lean construction and environmental sustainability: - A review of existing literature to decipher broader dimensions”. Journal of Cleaner Production (Elsevier) 119913.
21. Thomas, A., Menassa, C.C., Kamat, V. R. (2018). “A systems simulation framework to realize net-zero building energy retrofits”. Sustainable cities and society (Elsevier), 41, 405-420.
22. Thomas, A., Menassa, C. C., Kamat, V. R. (2017). “Lightweight and Adaptive Building Simulation (LABS) Framework for Integrated Building Energy and Thermal Comfort Analysis.” In Building Simulation (Tsinghua University Press) (Vol. 10, No. 6, pp. 1023-1044).
23. Thomas, A., Menassa, C.C., Kamat, V. R. (2016). “System Dynamics Framework to Study the Effect of Material Performance on a Building’s Lifecycle Energy Requirements”. Journal of Computing in Civil Engineering (ASCE) p.04016034. 1-15.
24. Thomas, A., Menassa, C. C., Kamat, V. R. (2015). “A Framework to Understand Effect of Building Systems Deterioration on Life Cycle Energy”. Procedia Engineering, 118, 507-514.

Conference Publications

1. Krishnan, S., Divakaran, A., Rethnam, O. R., Markarian, E., Qiblawi, S., Thomas, A., and Azar, E. (2024, July). Evaluating the Capabilities of Surrogate Modeling Techniques in Predicting Hourly Building Energy Consumption. In EC3 Conference 2024. European Council on Computing in Construction.
2. Gonuguntla, B., Rajput, T. S., Rethnam, O. R., and Thomas, A. (2024, July). Development of Simec-Opt Framework for Optimizing Glazing Parameters Enhancing Residential Building Thermal Comfort and Energy Performance. In EC3 Conference 2024. European Council on Computing in Construction.
3. Bansal, D., Rethnam, O. R., and Thomas, A. (2024). A Decision-Support Framework for Community Building Energy Modeling in Developing Nations, Leveraging Satellite Imagery and Machine Learning Techniques, SimBuild-IBPSA, Denver, USA.
4. Smitha, J. S., and Thomas, A. A Life-Cycle Analysis-Based Framework to Analyze Various Circular Economy Strategies in Buildings. In Construction Research Congress 2024 (pp. 427-436).
5. Rethnam, O.R., and Thomas, A. (December 2023). A Customizable Community-Building-Energy-Modeling Decision Support System (CCBEM-DSS) for Net-Zero Planning in Developing Countries (Paper accepted for Winter Simulation Conference, WSC, San Antonio, TX on 10 June 2023)
6. Rajput, T. S., and Thomas, A. (September, 2023). Computational Fluid Dynamics (CFD) based spatial mapping of indoor air quality and thermal comfort in the indoor environment. The 18th International IBPSA conference and exhibition, Building Simulation (BS 2023), Shanghai, China
7. Sreram, P. K. & Thomas, A. 2023, 'Teaching and Training Efforts of Academia and Industry Towards Lean Construction in India' In:, 30th Annual Conference of the International Group for Lean Construction (IGLC). Lille, France, 26-2 Jul 2023. pp 651-662. https://doi.org/10.24928/2023/0199
8. Saini, A. and Thomas, A. (July, 2023). Development of a machine learning based labor productivity prediction tool to practice lean construction. In 31st Annual Conference of the International Group for Lean Construction (IGLC31), Lille France
9. Azeem A., and Thomas,A. (April, 2023). Analysis of BIPV and Roof-top PV systems in low rise nearly zero energy office building models by Life cycle assessment. International conference on Innovative Trends in Engineering for Sustainability (ICITES-2023), TocH, Ernakulam, Kerala.
10. Rajput, T. S., and Thomas, A. (May, 2023). Analyzing the effects of passive design strategies on building ventilation performance and thermal comfort using simulation-based approach. Indoor Air Quality Ventilation Energy Conservation (IAQVEC-2023), Tokyo, Japan.
11. Francis, A., and Thomas, A., (December 2022). A system dynamics simulation-based sustainability benchmarking. In Proc. Winter Simulation Conference, WSC 2022, Marina Bays Singapore.
12. Azeem A., and Thomas, A. (December 2022). Net-zero energy retrofit of an existing commercial building in temperature climate zone of India. International Conference on Modelling and Simulation, TKM, Quilon
13. Sreram, P. K. and Thomas, A. (December, 2022). A Case study on the use of simulation for improving equipment utilization and productivity, Conference paper at The Indian Lean Construction Conference—ILCC 2022, scheduled 16-17 December 2022, being Organised by NICMAR Hyderabad.
14. Francis, A., and Thomas, A., (September 2022). A machine learning-based LCA prediction model for environmental impacts of buildings. In Proc. 38th Annual General Meeting and Conference of Association of Researchers in Construction Management. (Ahead of Print).
15. Omprakash R. R. and Thomas, A. (2022). A community-based urban building energy modeling framework for transitioning towards zero energy building communities in developing countries. uSIM2022(3rd IBPSA Scotland Conference)-Modelling and simulation of urban areas and communities, 25 November 2022
16. Sreram, P. K., and Thomas, A. (2021). A framework for identification of critical material waste causes during construction using DEMATEL and social network analysis. In proceedings of Thirty-Seventh ANNUAL CONFERENCE, ARCOM (p. 764).
17. Sreram, P. K. (2021) A study on planned and actual wastage of materials in India construction industry., In proceedings of Indian Lean Construction Conference, (pp. 578-587), Ahmedabad.
18. Francis, A., and Thomas, A., (April 2021). A system simulation framework to evaluate the sustainability of buildings. In Proc. The International Conference on Infrastructure Development: Theory, Practice and Policy (ICID-2021), Adani Institute of Infrastructure Development.
19. A STUDY ON PLANNED AND ACTUAL WASTAGE OF MATERIALS IN INDIAN CONSTRUCTION INDUSTRY (December 2021), Indian Lean Construction Conference – 2021, CEPT University, Ahmedabad.
20. Value Stream Mapping for Installation of Precast Concrete Elements in Housing Projects, (December 2021), Indian Lean Construction Conference – 2021, CEPT University, Ahmedabad.
21. Sreram, P K and Thomas, A (2021) A Framework for Identification of Critical Material Waste Causes During Construction Using DEMATEL and Social Network Analysis In: Scott, L and Neilson, C J (Eds) Proceedings of the 37th Annual ARCOM Conference, 6-7 September 2021, UK, Association of Researchers in Construction Management, 764-773.
22. Sudha, S., and Thomas, A. (2020). “A Life Cycle Analysis based framework to promote Circular Economy in the Building sector.” In Proceedings of International Conference on Recent Developments in Sustainable infrastructures: research and practices, Bhubaneswar.
23. Rajput, T., and Thomas, A. (2020). “An Artificial Neural Network-based framework to optimize the Window-to-Wall ratio (WWR) of buildings.” In Proceedings of International Conference on Recent Developments in Sustainable infrastructures: research and practices, Bhubaneswar (BEST PAPER AWARD).
24. Francis, A., and Thomas, A. (2020, November). Decoupling Housing Growth from Environmental Impact: A Pathway to Sustainability through a System Dynamics Simulation Approach. In Construction Research Congress 2020: Infrastructure Systems and Sustainability (pp. 268-277). Reston, VA: American Society of Civil Engineers.
25. Francis, A., and Thomas, A. (2019). Integrating Lean Construction and Sustainability via a System Dynamics Framework. In Proc. 27th Annual Conference of the International Group for Lean Construction (IGLC) (pp. 1187-1196).
26. Mahajan, N. Athalaye, S. Pathak, A. Dharankar, S, Thomas, A (2019) "Deploying value stream mapping for process improvement," Indian Lean Construction Conference, Pune, India.
27. Madnani, S. Thomas, A. (2019) "A framework to integrate earned value management and last planner system to mitigate project delay" Indian Lean Construction Conference, Pune, India.
28. Sarkar, K. Bagi, S.K.R. Thomas, A. Jagatheeswaran (2019) "Developing lean culture and process at APGC Amravathi GO Housing project," Indian Lean Construction Conference, Pune, India.
29. Kar, A. Mitra, J. Thomas, A. Jagatheeswaran. (2019) "Improving labor productivity in a construction project through collaborative planning system: A case study,"Indian Lean Construction Conference, 2019, Pune, India
30. Thomas, A. Jagatheeswaran (2019) "Improving labor productivity in a construction project through collaborative planning system: A case study,"Indian Lean Construction Conference, Pune, India.
31. Francis, A., Kurian, J., Thomas A. (2018) Sustainable and Affordable Housing in India: Challenges and Prospects, Next Frontiers in Civil Engineering, IIT Bombay.
32. Thomas, A., Menassa, C. C., and Kamat, V. R. (2016). Distributed simulation framework to analyze the energy effects of adaptive thermal comfort behavior of building occupants. In Proceedings of the 2016 Winter Simulation Conference, 225-3236.
33. Thomas, A., Mantha, R.K.B, Menassa, C. C. (2016). Framework to Evaluate the Life Cycle Costs and Environmental Impacts of Water Pipelines. In Proceedings of Pipelines 2016, 1152-1163.
34. Thomas, A., Menassa, C.C. Kamat, V. R. (2016). An LCM Framework to Couple Spatially Distributed Energy Simulation and Occupancy Models for Optimizing Building Energy Consumption. In Proceedings of Construction Research Congress, 1071-1080.
35. Thomas, A., Menassa, C. C., Kamat, V. R. (2015), Coupled Simulation Framework to Assess Life-Cycle Energy Requirements in Buildings, In Proceedings of Construction Application of Virtual Reality (CONVR 2015), 206-215.

Books/Book Chapters

1. Jain, H., Thomas, A., and Rajput, T. S. (2023). A Multi-objective Optimization Framework for Sustainable Retrofit of Indian Buildings. In Recent Advances in Materials, Mechanics and Structures (pp. 73-83). Springer, Singapore.
2. Azeem, A., and Thomas, A. (2023). Net-zero Energy Retrofit of an Existing Commercial Building in Temperate Climate Zone of India. AIJR Proceedings, 247-255.
3. Smitha, J. S., and Thomas, A. (2022). A Life Cycle Analysis Based Framework to Promote Circular Economy in the Building Sector. In Recent Developments in Sustainable Infrastructure (ICRDSI-2020)—Structure and Construction Management (pp. 173-183). Springer, Singapore.
4. Francis, A., and Thomas, A. (2022). A system simulation framework to evaluate the sustainability of the buildings. Infrastructure Development – Theory, Practice and Policy Sustainability and Resilience, Edited By Rachna Gangwar, Astha Agarwalla, Sandhya Sreekumar. (pp. 129-141), Routledge, Taylor and Francis.
5. Thomas, A. (2017). Modeling Occupant Behavior, Systems Life Cycle Performance, and Energy Consumption Nexus in Buildings Using Multi-Method Distributed Simulation, Deep Blue, University of Michigan.