Nonlinear dynamic modeling of bistable variable stiffness composite laminates

PM Anilkumar, S Scheffler, A Haldar, M Brod… - Journal of Sound and …, 2023 - Elsevier
The room-temperature equilibrium stable states of cured unsymmetric composite laminates
have been the focus of recent research, with a particular emphasis on shape morphing …

Multi-objective optimization of controllable configurations for bistable laminates using NSGA-Ⅱ

Z Zhang, C Liao, H Chai, X Ni, K Pei, M Sun, H Wu… - Composite …, 2021 - Elsevier
A multi-objective optimization technique for bistable laminates is proposed in the present
study. Bistable laminates have wide application prospects as deployable structures of …

A Review of the Dynamic Behavior of Thermally Induced Bistable Configurations of Unsymmetrical Composite Laminates and their Applications

D Bashir, PM Anilkumar, S Scheffler, A Haldar… - … Methods in Engineering, 2024 - Springer
Multistable structures are extensively researched due to their adaptability across various
operational conditions. A basic class of these multistable structures can be bistable …

Morphing of bistable variable stiffness composites using distributed MFC actuators

PM Anilkumar, A Haldar, S Scheffler, EL Jansen… - Composite …, 2022 - Elsevier
The use of piezoelectrically controlled bistable composite laminates for morphing
applications has received increased attention in recent years. So far, most existing …

Tessellated multistable structures integrated with new transition elements and antisymmetric laminates

Z Zhang, K Pei, M Sun, H Wu, H Wu, S Jiang… - Thin-Walled …, 2022 - Elsevier
Multistable structures are known for their high adaptability and are thereby used in various
applications in the fields of aerospace, biomedical, and in packaging industries. In this …

Integration of the passive energy balancing based actuation system into a camber morphing design

C Wang, Y Zhao, K Huang, J Zhang, AD Shaw… - Aerospace Science and …, 2024 - Elsevier
A spiral pulley mechanism can be used to passively balance the energy between the
morphing structure and actuation system. Applying the energy balancing concept has the …

Investigations on the dynamic snap-through of MFC bonded self-resetting bistable laminates

PM Anilkumar, S Scheffler, A Haldar, EL Jansen… - Composite …, 2024 - Elsevier
Unsymmetric composite laminates having two stable equilibrium configurations have been
studied extensively in the recent past due to their potential applications in morphing …

Snap-through of bistable variable stiffness laminates using MFC actuators

PM Anilkumar, A Haldar, EL Jansen, BN Rao… - Composite …, 2021 - Elsevier
Unsymmetric composite laminates exhibit two or more stable equilibrium shapes with
opposite curvature as a result of residual thermal stresses induced during the curing …

Passive load alleviation on wind turbine blades from aeroelastically driven selectively compliant morphing

WDK Cavens, A Chopra, AF Arrieta - Wind Energy, 2021 - Wiley Online Library
Load alleviation control is highly desirable to reduce penalties associated with the added
structural mass required to withstand rare load scenarios. This is particularly true for wind …

Aero-structural optimization and actuation analysis of a morphing wing section with embedded selectively stiff bistable elements

JR Rivas-Padilla, DM Boston… - Journal of …, 2023 - journals.sagepub.com
Morphing wings provide a potential avenue to improve aerodynamic performance of aircraft
operating at multiple design conditions. Nevertheless, morphing wing design is constrained …