Conference Papers

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    Dynamic 3D graph visualizations in Julia
    (The Society for Modeling and Simulation International www.scs.org, 2016) Anilkumar, A.; Mathew, K.T.; Mulimani, M.; Koolagudi, S.G.; Jamadagni, C.
    A major problem with graph visualization libraries and packages is the lack of interactivity and 3D visualization. This makes understanding and analyzing complex graphs and topologies difficult. Existing packages and tools which do provide similar functionality are difficult to use, install, integrate and have many dependencies. This paper discusses NetworkViz.jl, a Julia package which addresses the issues of existing graph visualization platforms while ensuring simplicity, efficiency, a diverse set of features and easy integration with other packages. This package supports two-And three- dimensional visualizations and uses a force-directed graph drawing approach to generate aesthetically pleasing and easy-To-use graphs. The library was built entirely in Julia due to its good documentation, large open source community and in order to fully utilize (he inherent advantages provided by the language. As graph visualizations are important for analyzing complex networks, testing routing algorithms, as teaching AIDS, etc., we believe that NetworkViz.jl will be of integral use in the fields of research and education. © 2016 Society for Modeling & Simulation International (SCS).
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    GCPiN: Group caching for privacy in named data networking
    (Institute of Electrical and Electronics Engineers Inc., 2018) Kamath, A.A.; Jamadagni, C.; Anilkumar, A.; Mathew, K.; Tahiliani, M.P.
    Router architecture in Named Data Networks (NDN) is intricate, and entails in-network caching of Data packets. Protecting the privacy of this cached content, while maintaining the performance benefits obtained due to caching, is a major concern. Although this problem has been addressed, most existing solutions dramatically compromise the performance gain that NDN provides in order to ensure data privacy. In this paper, we formulate a new approach to enhance the privacy of cached content at each NDN router, while ensuring minimal performance loss. This is achieved by segregating NDN routers into groups, and maintaining a Distributed Content Store across each group. The proposed approach has been named Group Caching for Privacy in NDN (GCPiN). We provide a preliminary mathematical analysis which shows that GCPiN is a promising approach with scope for further evaluation. © 2017 IEEE.
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    Effect of Heating and Fluid Saturation on Certain Physico-Mechanical and Fracturing Behaviour of Concrete
    (Springer Science and Business Media Deutschland GmbH, 2024) Gafur, I.A.; Anilkumar, A.; Parappalli, A.N.; Srinivasan, V.
    Understanding the fracturing characteristics of construction materials under varying environmental conditions is very important in considering the safety of infrastructural facilities for sustainable civil structures. Concrete has been extensively used in construction, and with recent advancements in offshore structures, its strength in adverse conditions is pivotal and hence requires significant attention. This study investigates the variation in the mechanical properties and fracturing behaviour of M25 concrete cubes under different environmental conditions. The cubes were subjected to five different conditions: heating, saturation, and a combination of heating and saturation. Saturation was carried out separately using water and brine solutions. Three cubes were cast for each condition. The physical properties included density and Ultrasonic pulse velocity, followed by mechanical testing for strength. Acoustic emission monitoring was carried out simultaneously along the mechanical testing. Acoustic emission techniques are used to visualize fracturing behaviour of concrete cubes. Fracture thresholds are established to find crack closure and elastic region, and regions of stable crack propagation and unstable crack propagation. The results show that the combination of heating and fluid saturation significantly impacts the physico-mechanical properties of concrete, reducing its compressive strength and increasing its susceptibility to fracture. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.