Search Results - "Adhikari, S. S."

Machine learning based digital twin for dynamical systems with multiple time-scales by Chakraborty, S., Adhikari, S.

“…•Digital twin for multi-timescale dynamical system is proposed.•The approach uses fuses system physics with data-based approach.•ME-GP is proposed for tracking…”
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The digital twin of discrete dynamic systems: Initial approaches and future challenges by Ganguli, R, Adhikari, S

“…This paper employs a discrete damped dynamic system to investigate the emerging concept of a digital twin. Dynamic systems are well understood across…”
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GIA Model Statistics for GRACE Hydrology, Cryosphere, and Ocean Science by Caron, L., Ivins, E. R., Larour, E., Adhikari, S., Nilsson, J., Blewitt, G.

“…We provide a new analysis of glacial isostatic adjustment (GIA) with the goal of assembling the model uncertainty statistics required for rigorously extracting…”
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Stochastic mechanics of metamaterials by Mukhopadhyay, T., Adhikari, S.

“…The effect of stochasticity in mechanical behaviour of metamaterials is quantified in a probabilistic framework. The stochasticity has been accounted in the…”
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Optimal parameters of viscoelastic tuned-mass dampers by Batou, A., Adhikari, S.

“…A vibration absorber, also known as a tuned mass damper (TMD), is a passive vibration control device. This is achieved by attaching a secondary oscillator to a…”
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Equivalent in-plane elastic properties of irregular honeycombs: An analytical approach by Mukhopadhyay, T., Adhikari, S.

“…An analytical formulation has been developed in this article for predicting the equivalent elastic properties of irregular honeycombs with spatially random…”
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Free-Vibration Analysis of Sandwich Panels with Randomly Irregular Honeycomb Core by Mukhopadhyay, T, Adhikari, S

“…AbstractAn analytical framework has been proposed to analyze the effect of random structural irregularity in honeycomb core for natural frequencies of sandwich…”
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The role of surrogate models in the development of digital twins of dynamic systems by Chakraborty, S., Adhikari, S., Ganguli, R.

“…•A Gaussian process surrogate of a digital twin of a discrete damped dynamic system model is proposed.•The concept of “slow time” is proposed to differentiate…”
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Effective in-plane elastic properties of auxetic honeycombs with spatial irregularity by Mukhopadhyay, T., Adhikari, S.

“…•Equivalent elastic moduli of irregular auxetic honeycombs are analysed.•Closed-form analytical formulae are presented.•Spatially random cell angles are…”
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Damping modelling using generalized proportional damping by Adhikari, S.

“…Proportional damping is the most common approach to model dissipative forces in complex engineering structures and it has been used in various dynamic problems…”
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Metamodel based high-fidelity stochastic analysis of composite laminates: A concise review with critical comparative assessment by Dey, S., Mukhopadhyay, T., Adhikari, S.

“…This paper presents a concise state-of-the-art review along with an exhaustive comparative investigation on surrogate models for critical comparative…”
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A reduced spectral function approach for the stochastic finite element analysis by Adhikari, S.

“…The stochastic finite element analysis of elliptic type partial differential equations with non-Gaussian random fields are considered. A novel approach by…”
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Optimal negative stiffness inertial-amplifier-base-isolators: Exact closed-form expressions by Chowdhury, S., Banerjee, A., Adhikari, S.

“…This paper introduces the concept of negative stiffness inertial-amplifier-base-isolators to achieve enhanced broadband vibration control. Three physically…”
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Voltage-dependent modulation of elastic moduli in lattice metamaterials: Emergence of a programmable state-transition capability by Singh, A., Mukhopadhyay, T., Adhikari, S., Bhattacharya, B.

“…Two-dimensional lattices are ideal candidate for developing artificially engineered materials and structures across different length-scales, leading to…”
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Stochastic natural frequency analysis of damaged thin-walled laminated composite beams with uncertainty in micromechanical properties by Naskar, S., Mukhopadhyay, T., Sriramula, S., Adhikari, S.

“…[Display omitted] This paper presents a stochastic approach to study the natural frequencies of thin-walled laminated composite beams with spatially varying…”
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Magnetopiezoelastic energy harvesting driven by random excitations by Litak, G., Friswell, M. I., Adhikari, S.

“…This letter considers a nonlinear piezomagnetoelastic energy harvester driven by stationary Gaussian white noise. The increase in the energy generated by this…”
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Frequency domain homogenization for the viscoelastic properties of spatially correlated quasi-periodic lattices by Mukhopadhyay, T., Adhikari, S., Batou, A.

“…•Irregular lattices are analysed considering the compound effect of viscoelasticity and stochasticity.•A practically relevant stochastic modelling approach is…”
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Nonlocal mass nanosensors based on vibrating monolayer graphene sheets by Murmu, T., Adhikari, S.

“…Single layer graphene sheets (SLGS) as a nanoscale label-free mass sensor are proposed. A mathematical framework according to nonlocal elasticity is…”
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Image-based retrieval of concrete crack properties for bridge inspection by Adhikari, R.S., Moselhi, O., Bagchi, A.

“…Cracking can invite sudden failures of concrete structures. The objective of this research is to develop an integrated model based on digital image processing…”
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Influence of pyrolysis parameters on phosphorus fractions of biosolids derived biochar by Adhikari, S., Gascó, G., Méndez, A., Surapaneni, A., Jegatheesan, V., Shah, K., Paz-Ferreiro, J.

“…Transforming biosolids into biochar, through pyrolysis, could result in more sustainable waste management. Influence of pyrolysis conditions (temperature,…”
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