Outputs (33)

Multiscale Modeling for the Statics of Nanostructures (2021)
Book Chapter
Hoang, K., & Kadapa, C. (2021). Multiscale Modeling for the Statics of Nanostructures. In S. Chakraverty (Ed.), Nano Scaled Structural Problems: Static and Dynamic Behaviors (1-38). AIP Publishing. https://doi.org/10.1063/9780735422865_002

Characterization of mechanical properties of materials is essential toward understanding their deformation behavior when subjected to external forces. For a complete understanding of the behavior of materials from the interaction of atoms at the nano... Read More about Multiscale Modeling for the Statics of Nanostructures.

Analytical study on growth-induced axisymmetric deformations and shape-control of circular hyperelastic plates (2021)
Journal Article
Li, Z., Wang, Q., Du, P., Kadapa, C., Hossain, M., & Wang, J. (2022). Analytical study on growth-induced axisymmetric deformations and shape-control of circular hyperelastic plates. International Journal of Engineering Science, 170, Article 103594. https:

Growth of soft material plates is commonly observed in nature. However, the relations between growth fields and shape changes of the plate samples remain poorly understood. The current work aims to derive some analytical results for the growth-induce... Read More about Analytical study on growth-induced axisymmetric deformations and shape-control of circular hyperelastic plates.

A Unified Simulation Framework for Fluid–Structure–Control Interaction Problems with Rigid and Flexible Structures (2021)
Journal Article
Kadapa, C. (2022). A Unified Simulation Framework for Fluid–Structure–Control Interaction Problems with Rigid and Flexible Structures. International Journal of Computational Methods, 19(01), Article 2150052. https://doi.org/10.1142/s0219876221500523

Vortex-induced vibrations are often unwanted as they can lead to catastrophic failure of the associated structures, warranting countermeasures to mitigate or suppress these vibrations. Due to the nature of nonlinearities in fluid–structure interactio... Read More about A Unified Simulation Framework for Fluid–Structure–Control Interaction Problems with Rigid and Flexible Structures.

Towards robust and efficient solvers for fluid-structure interaction problems involving thin flexible structures (2021)
Presentation / Conference Contribution
Kadapa, C. (2021). Towards robust and efficient solvers for fluid-structure interaction problems involving thin flexible structures. In UK Association for Computational Mechanics (UKACM) 2021 Conference

This work proposes a new single-step implicit-explicit scheme for computationally efficient numerical solutions of fluid-structure interaction problems involving laminar incompressible fluids and thin, flexible structures. The base solver for incompr... Read More about Towards robust and efficient solvers for fluid-structure interaction problems involving thin flexible structures.

A novel semi-implicit scheme for elastodynamics and wave propagation in nearly and truly incompressible solids (2021)
Journal Article
Kadapa, C. (2021). A novel semi-implicit scheme for elastodynamics and wave propagation in nearly and truly incompressible solids. Acta mechanica, 232(6), 2135-2163. https://doi.org/10.1007/s00707-020-02883-5

This paper presents a novel semi-implicit scheme for elastodynamics and wave propagation problems in nearly and truly incompressible material models. The proposed methodology is based on the efficient computation of the Schur complement for the mixed... Read More about A novel semi-implicit scheme for elastodynamics and wave propagation in nearly and truly incompressible solids.

A simple extrapolated predictor for overcoming the starting and tracking issues in the arc-length method for nonlinear structural mechanics (2021)
Journal Article
Kadapa, C. (2021). A simple extrapolated predictor for overcoming the starting and tracking issues in the arc-length method for nonlinear structural mechanics. Engineering Structures, 234, Article 111755. https://doi.org/10.1016/j.engstruct.2020.111755

This paper presents a simplified implementation of the arc-length method for computing the equilibrium paths of nonlinear structural mechanics problems using the finite element method. In the proposed technique, the predictor is computed by extrapola... Read More about A simple extrapolated predictor for overcoming the starting and tracking issues in the arc-length method for nonlinear structural mechanics.

On the advantages of mixed formulation and higher-order elements for computational morphoelasticity (2020)
Journal Article
Kadapa, C., Li, Z., Hossain, M., & Wang, J. (2021). On the advantages of mixed formulation and higher-order elements for computational morphoelasticity. Journal of the Mechanics and Physics of Solids, 148, Article 104289. https://doi.org/10.1016/j.jmps.20

In this paper, we present a mixed displacement–pressure finite element formulation that can successively model compressible as well as truly incompressible behaviour in growth-induced deformations significantly observed in soft materials. Inf–sup sta... Read More about On the advantages of mixed formulation and higher-order elements for computational morphoelasticity.

A robust and computationally efficient finite element framework for coupled electromechanics (2020)
Journal Article
Kadapa, C., & Hossain, M. (2020). A robust and computationally efficient finite element framework for coupled electromechanics. Computer Methods in Applied Mechanics and Engineering, 372, Article 113443. https://doi.org/10.1016/j.cma.2020.113443

Electro-active polymers (EAPs) are increasingly becoming popular materials for actuators, sensors, and energy harvesters. To simulate the complex behaviour of actuators under coupled loads, particularly in the realm of soft robotics, biomedical engin... Read More about A robust and computationally efficient finite element framework for coupled electromechanics.

A second-order accurate non-intrusive staggered scheme for the interaction of ultra-lightweight rigid bodies with fluid flow (2020)
Journal Article
Kadapa, C. (2020). A second-order accurate non-intrusive staggered scheme for the interaction of ultra-lightweight rigid bodies with fluid flow. Ocean Engineering, 217, Article 107940. https://doi.org/10.1016/j.oceaneng.2020.107940

This paper presents a staggered scheme with second-order temporal accuracy for fluid–structure interaction problems involving ultra-lightweight rigid bodies. The staggered scheme is based on the Dirichlet–Neumann coupling and is non-intrusive. First,... Read More about A second-order accurate non-intrusive staggered scheme for the interaction of ultra-lightweight rigid bodies with fluid flow.

New iterative and staggered solution schemes for incompressible fluid‐structure interaction based on Dirichlet‐Neumann coupling (2020)
Journal Article
Dettmer, S. G., Lovrić, A., Kadapa, C., & Perić, D. (2021). New iterative and staggered solution schemes for incompressible fluid‐structure interaction based on Dirichlet‐Neumann coupling. International Journal for Numerical Methods in Engineering,

In the presence of strong added mass effects, partitioned solution strategies for incompressible fluid-structure interaction are known to lack robustness and computational efficiency. A number of strategies have been proposed to address this challeng... Read More about New iterative and staggered solution schemes for incompressible fluid‐structure interaction based on Dirichlet‐Neumann coupling.