Tanmoy Mukhopadhyay

Tanmoy Mukhopadhyay
Indian Institute of Technology Kanpur | IIT Kanpur · Department of Aerospace Engineering

PostDoc (Oxford), PhD (Swansea), MTech (IIT Roorkee), BE (IIEST, Shibpur)
Mechanical metamaterials | Multi-scale mechanics | Composites | Uncertainty quantification | Machine learning | Morphing

About

199
Publications
72,773
Reads
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3,397
Citations
Citations since 2016
172 Research Items
3319 Citations
20162017201820192020202120220200400600800
20162017201820192020202120220200400600800
20162017201820192020202120220200400600800
20162017201820192020202120220200400600800
Introduction
I am currently working as an Assistant Professor at the Aerospace Engineering Department of IIT Kanpur. Prior to that, I was a postdoctoral researcher at the University of Oxford, and completed PhD from Swansea University in the UK. My research interests and expertise broadly lie in mechanics and multi-physics analysis of structures focusing on mechanical metamaterials and advanced functional composites. WEB: www.tmukhopadhyay.com https://scholar.google.com/citations?user=-WJZyx8AAAAJ
Additional affiliations
February 2017 - present
University of Oxford
Position
  • PostDoc Position
Description
  • Mechanical metamaterials
January 2014 - December 2016
Swansea University
Position
  • PhD Student
Description
  • Engineered materials and composites
July 2011 - December 2013
Indian Institute of Technology Roorkee
Position
  • Researcher
Description
  • Inverse problems and uncertainty quantification
Education
January 2014 - December 2016
Swansea University
Field of study
  • Mechanics
July 2011 - July 2013
Indian Institute of Technology Roorkee
Field of study
  • Structural Engineering
July 2006 - July 2010

Publications

Publications (199)
Article
Full-text available
This paper proposes an accurate three-dimensional framework for elastic and viscoelastic free vibration investigation of in-plane functionally graded (IPFG) orthotropic rectangular plates integrated with piezoelectric sensory layers. The developed {analytical} framework is capable of considering layer-wise unidirectional linear functional gradation...
Article
Full-text available
Architected lattice materials, realized through artificial micro-structuring, have drawn tremendous attention lately due to their enhanced mechanical performances in multi-functional applications. However, the research area on the design of artificial microstructures for the modulation of mechanical properties is increasingly becoming saturated due...
Conference Paper
Full-text available
Engineering materials used for structural applications have a limited tendency to only expand in the lateral directions when subjected to a compressive force applied longitudinally, commonly known as the Poisson's effect. Based on the bending-dominated behaviour of elementary beams with variable curvature, we illustrate diverse auxeticity within th...
Article
Full-text available
2D lattices are widely popular in micro-architected metamaterial design as they are easy to manufacture and provide lightweight multifunctional properties. The mechanical properties of such lattice structures are predominantly an intrinsic geometric function of the microstructural topology, which are generally referred to as passive metamaterials s...
Article
Full-text available
Over the last decade, lattice-based artificial materials have demonstrated the possibility of tailoring multifunctional capabilities that are not achievable in traditional materials. While a large set of mechanical properties can be simultaneously modulated by adopting an appropriate network architecture in the conventional periodic lattices, the p...
Article
Full-text available
In the present work, bending and free vibration analyses of multilayered functionally graded (FG) graphene platelet (GPL) and fiber-reinforced hybrid composite beams are carried out using higher-order shear deformation theory. Parabolic variation of transverse shear stress across the thickness of beam and transverse shear stress-free condition at t...
Research
Microstructural image based convolutional neural networks for efficient prediction of full-field stress maps in short fiber polymer composites Abstract The increased demand for superior materials has highlighted the need of investigating the mechanical properties of composites to achieve enhanced constitutive relationships. Fiber-reinforced polymer...
Article
First-order shear deformation theory (FSDT) is less accurate compared to higher-order theories like higher-order zigzag theory (HOZT).In case of large-scale simulation-based analyses like uncertainty quantification and optimization using FSDT, such errors propagate and accumulate over multiple realizations, leading to significantly erroneous result...
Article
Full-text available
The increased demand for superior materials has highlighted the need of investigating the mechanical properties of composites to achieve enhanced constitutive relationships. Fiber-reinforced polymer composites have emerged as an integral part of materials development with tailored mechanical properties. However, the complexity and heterogeneity of...
Article
Full-text available
Randomness in the media breaks its periodicity affecting the vibration and wave propagation performance. Such disorder caused by the variability may lead to interesting physical phenomena such as trapping and scattering waves, wave reflection, and energy localisation. While the randomness may be attributed to manufacturing irregularities and quantify...
Article
Full-text available
This paper presents an experimental investigation supported by data-driven approaches concerning the influence of critical stochastic effects on the dynamic fracture toughness of glass-filled epoxy composites using a computationally efficient framework of uncertainty quantification. Three different shapes of glass particles are considered including...
Article
Full-text available
The accuracy of predicting the behaviour of structure using finite element (FE) depends widely on the precision of the evaluation of the stiffness matrix. In the present article, an attempt has been made to evaluate the stiffness matrix of functionally graded (FG) nanoplate using Gaussian process regression (GPR) based surrogate model in the framew...
Article
Full-text available
Honeycomb lattices exhibit remarkable structural properties and novel functionalities, such as high specific energy absorption, excellent vibroacoustic properties, and tailorable specific strength and stiffness. A range of modern structural applications demands for maximizing the failure strength and energy absorption capacity simultaneously with t...
Article
The present article outlines a probabilistic investigation of the uniaxial tensile behaviour of twisted bilayer graphene (tBLG) structures. In this regard, the twist angle (θ) and temperature (T) are considered as the control parameters and the ultimate tensile strength (UTS) and failure strain of the tBLG structures are considered as the responses...
Article
Full-text available
In the present study, the progressive failure on MWCNT reinforced 5-Harness satin fabric composite materials is analysed using finite element (FE) analysis for Hashin and Puck failure criteria and degradation models. The progressive failure analysis of laminated composites is carried out on open-hole tensile (OHT) and short beam shear test (SBST) s...
Article
Full-text available
This paper develops kirigami-inspired modular materials with programmable deformation-dependent stiffness and multidirectional auxeticity. Mixed-mode deformation behaviour of the proposed metastructure involving both rigid origami motion and structural deformation has been realized through analytical and computational analyses, supported by element...
Article
Full-text available
This article presents a computational reliability analysis of reinforced soil-retaining structures (RSRS) under seismic conditions. The internal stability of RSRS is evaluated using the horizontal slice method (HSM) with modified pseudo-dynamic seismic forces. Two different failure modes of RSRS are identified and their reliability indices are comp...
Article
This paper investigates the probabilistic response of two-lobe bearings considering the uncertainty in eccentricity ratio, preload value, bearing clearance, supply pressure, oil viscosity and surface roughness. To simulate stochasticity in input variables, Monte Carlo simulation (MCS) is carried out in conjunction with the Reynolds equation using f...
Conference Paper
Full-text available
An analytical approach is proposed for evaluating the elastic properties of auxetic multi-material hexagonal lattices. The axial, bending, and shear effect of the cell walls under the application of in-plane tensile/compressive stresses is taken into consideration. It is shown that the consideration of axial and shear along with bending is a must f...
Article
Full-text available
Shear modulus assumes an important role in characterizing the applicability of different materials in various multi-functional systems and devices such as deformation under shear and torsional modes, and vibrational behaviour involving torsion, wrinkling and rippling effects. Lattice-based artificial microstructures have been receiving significant...
Article
Full-text available
Homogeneous crystal nucleation is prone to formation of defects and often experiences heterogeneities, the inferences of which are crucial in processing crystalline materials and controlling their physical properties. It has been debated in literature whether the associated heterogeneities are an integral part of the homogenous nucleation. In this...
Article
2-D lattice structures have gained significant attention in the last few decades. Extensive analytical and experimental studies have been conducted to determine the elastic properties of the lattice structures. Further, the variation in the elastic properties of the passive lattice structures by changing various dimensional parameters and geometry...
Article
Full-text available
Graphene is one of the strongest, stiffest, and lightest nanoscale materials known to date, making it a potentially viable and attractive candidate for developing lightweight structural composites to prevent high-velocity ballistic impact, as commonly encountered in defense and space sectors. In-plane twist in bilayer graphene has recently revealed...
Article
Full-text available
Homogeneous crystal nucleation is prone to formation of defects and often experiences heterogeneities, the inferences of which are crucial in processing crystalline materials and controlling their physical properties. It has been debated in literature whether the associated heterogeneities are an integral part of the homogenous nucleation. In this...
Article
Full-text available
The present paper proposes a surrogate-assisted moment-independent stochastic sensitivity analysis of laminated composite plates for establishing a unified measure in the case of multi-objective performances. With the advancements in artificially engineered structural systems spanning across different length scales, it has become more common to des...
Article
Full-text available
Owing to inhomogeneous strain and high surface-to-volume ratio in nanostructures, it is imperative to account for the flexoelectricity as well as surface effect while analyzing the size-dependent electromechanical responses of nano-scale piezoelectric materials. In this article, a semi-analytical ‘single-term extended Kantorovich method (EKM)’ and...
Article
Full-text available
Carbon-based nanostructures are receiving increasing attention over the past two decades due to their unprecedented multi-functional features. However, the macro-scale structural applications of these nanostructures have not yet come to full fruition due to the involvement of complex multi-scale computations and manufacturing. Recently, the researc...
Article
Full-text available
In the present work, free vibration and buckling analyses of sandwich plates with various functionally graded foam cores are carried out. Foam cores are assumed to be made of metal, and three different configurations of the porous distribution in the core layer are taken into consideration. To carry out a comparative study between the distributions...
Article
Full-text available
Second nearest neighbor modified embedded-atom method (2NN-MEAM) interatomic potentials are developed for binary aluminum (Al) alloys applicable from room temperature to the melting point. The binary alloys studied in this work are Al-Cu, Al-Fe and Al-Ni. Sensitivity and uncertainty analyses are performed on potential parameters based on the pertur...
Article
Full-text available
Characterization of the effective elastic properties of lattice-type materials is essential for adopting such artificial microstructures in various multi-functional mechanical systems across varying length-scales with the requirement of adequate structural performances. Even though the recent advancements in manufacturing have enabled large-scale p...
Article
Full-text available
Second nearest neighbor modified embedded-atom method (2NN-MEAM) interatomic potentials are developed for binary aluminum (Al) alloys applicable from room temperature to the melting point. The binary alloys studied in this work are Al-Cu, Al-Fe and Al-Ni. Sensitivity and uncertainty analyses are performed on potential parameters based on the pertur...
Article
Full-text available
If we compress a conventional material in one direction, it will try to expand in the other two perpendicular directions and vice‐versa, indicating a positive Poisson’s ratio. Recently auxetic materials with negative Poisson’s ratios, which can be realized through artificial microstructuring, are attracting increasing attention due to enhanced mech...
Chapter
This chapter reports simultaneous enhancement of the frequency bandgap of main structure and bandwidth of energy harvested in metamaterials-based finite structure via nonlinear attachments. The nonlinear attachments act as an attenuator as well as the harvester forms a unit cell. When subjected to excitations of various intensities, these nonlinear...
Article
Full-text available
Metastructures and phononic crystals could have several unique physical properties, such as effective negative parameters, tunable band gaps, negative refraction, and so on, which allow them to improve multi-physical performances at the materials level. Motivated by the elastic negative mass metastructures, this work reports the enhancement of band...
Article
Full-text available
The superior multi-functional properties of polymer composites have made them an ideal choice for aerospace, automobile, marine, civil, and many other technologically demanding industries. The increasing demand of these composites calls for an extensive investigation of their physical, chemical and mechanical behavior under different exposure condi...
Article
Full-text available
Lattice-based artificial microstructures have been receiving significant attention from the scientific community over the past decade due to the possibility of developing materials with tailored multifunctional capabilities that are not achievable in naturally occurring materials. Such lattice materials can be conceptualized as a network of beams w...
Article
Full-text available
Molecular dynamics (MD) simulations have emerged to be a vital tool for the analysis of nanoscale materials like graphene. However, reliability of the results derived from MD simulations depends on the adopted inter-atomic potential (IP), which is mathematically fitted to the data obtained from first principle approaches or experiments. There exist...
Conference Paper
Full-text available
Honeycomb lattice structures are lightweight and have high strength to weight ratio. Hence, such structures have gathered a significant amount of attraction over the last decade. Many experimental and analytical studies have been carried out to determine the in-plane elastic properties of these lattice structures. Once manufactured, it is impossibl...
Article
Full-text available
The present study deals with analysing the dynamic behaviour of a smart beam coupled with piezoelectric materials in the unimorph and bimorph configurations connected to resonant shunt circuits. The resonant shunt circuit connection is applied to promote and passively modulate the vibration and flexural wave propagation attenuation. A Spectral Elem...
Article
A large number of studies have been reported in literature to analyse various parameters that influence the Poisson's ratios of multi-functional lattice materials. However, the major limitation in such lattices is that once the lattice is manufactured , the Poisson's ratios and other elastic properties become fixed corresponding to the particular l...
Article
Full-text available
Inherent stochasticity in the nano-structural geometry and molecular mechanics properties of lattice-like two-dimensional (2D) materials can significantly deviate the predicted elastic properties that are widely reported in a deterministic framework. Such uncertainties can be attributed to inevitable fabrication uncertainties and random error in pa...
Preprint
Full-text available
The superior multi-functional properties of polymer composites have made them an ideal choice for aerospace, automobile, marine, civil, and many other technologically demanding industries. The increasing demand of these composites calls for an extensive investigation of their physical, chemical and mechanical behavior under different exposure condi...
Conference Paper
Full-text available
Quantification of uncertainty in composite materials has been a challenge in terms of complexity and computation time. This is due to the nonlinear behaviour of composite materials and multiple failure mechanisms occurring simultaneously. This study develops a high-fidelity surrogate model to quantify the uncertainty in matrix cracking in 90-degree...
Article
Full-text available
Despite the tremendous capabilities of Molecular dynamics (MD) simulations, they suffer from the limitation of computationally intensive and time-consuming nature. This hinders the seamless discovery of nanomaterials with adequate computational insights. Over the last decade, graphene has received widespread attention from the scientific community...
Article
Full-text available
A generic analytical framework is proposed to obtain the dynamic elastic moduli of lattice materials under steady-state vibration conditions. The dynamic deformation behaviour of the individual beam elements of a lattice is distinct from the behaviour under a static condition. This leads to a completely different global deformation pattern of the l...
Article
Full-text available
This paper presents a machine learning assisted efficient, yet comprehensive characterization of the dynamics of coronaviruses in conjunction with finite element (FE) approach. Without affecting the accuracy of prediction in low-frequency vibration analysis, we have proposed an equivalent model for the FE analysis, based on which the natural freque...
Conference Paper
Full-text available
This paper proposes a sensitivity analysis of the elastic moduli of hexagonal lattice materials in an analytical framework. Each parameter of elastic moduli shows varying sensitivity on them. This dependence, thus, directly affects the equivalent elastic moduli, thereby suggesting that the most sensitive parameter(s) has to be dealt more cautiously...
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