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Application of Finite Element Analysis



Applications of Finite Element Analysis
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Finite element analysis is a numerical technique that uses computational power to calculate approximate solution to given problem. Since this method is based on energy principle, it can be used to solve problems related to solid mechanics, fluid mechanics, heat transfer and electrodynamics. This paper compares the experimental results of compression test performed on concrete specimen in laboratory with the numerical results obtained using the finite element analysis of concrete model simulated in ABAQUS software. Compression test of ceramic concrete cubes and cylindrical specimen with M20 concrete characteristics and coarse aggregate partially replaced by Bone-China ceramic was performed in a laboratory. The experimental results obtained were then used as input parameters for the numerical simulations. The strength of the concrete depends on a lot of factors including curing time, temperature, water cement ratio, moisture condition etc., and hence the modelling of the concrete specimen should be done carefully. Concrete damaged plasticity (CDP) model available in software package was used to reflect the behavior of the concrete model in compression as well as tension. Three-dimensional non-linear finite element model was developed and analyzed by the Quasi-static technique using the ABAQUS explicit module. Results show that the model simulated using Finite element method was able to predict the damage behavior of concrete specimen fairly accurately despite the variable nature of concrete. Hence, finite element analysis is an economical and time-efficient method of advanced structural analysis that can be used to study the structural behavior of concrete in compression.
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