State of the art of ANCF elements regarding geometric description, interpolation strategies, definition of elastic forces, validation and the locking phenomenon in …

K Nachbagauer - Archives of Computational Methods in Engineering, 2014 - Springer
The focus of the present article lies on new enhanced beam finite element formulations in
the absolute nodal coordinate formulation (ANCF) and its embedding in the available …

A review of dynamic analysis on space solar power station

W Hu, Z Deng - Astrodynamics, 2023 - Springer
The concept of a space solar power station (SSPS) was proposed in 1968 as a potential
approach for solving the energy crisis. In the past 50 years, several structural concepts have …

The nodal-based floating frame of reference formulation with modal reduction: How to calculate the invariants without a lumped mass approximation

A Zwölfer, J Gerstmayr - Acta Mechanica, 2021 - Springer
In a recent paper of the authors, a novel nodal-based floating frame of reference formulation
(FFRF) for solid finite elements has been proposed. The nodal-based approach bypasses …

Motion and shape control of soft robots and materials

AA Shabana, AE Eldeeb - Nonlinear dynamics, 2021 - Springer
A continuum-based approach for simultaneously controlling the motion and shape of soft
robots and materials (SRM) is proposed. This approach allows for systematically computing …

Analytical derivatives of flexible multibody dynamics with the floating frame of reference formulation

V Gufler, A Zwölfer, E Wehrle - Multibody System Dynamics, 2024 - Springer
In this paper, the analytical derivatives of flexible multibody dynamics with the floating frame
of reference formulation are derived in a new way using the invariants and their sensitivities …

A concise nodal-based derivation of the floating frame of reference formulation for displacement-based solid finite elements: Avoiding inertia shape integrals

A Zwölfer, J Gerstmayr - Multibody System Dynamics, 2020 - Springer
Abstract The Floating Frame of Reference Formulation (FFRF) is one of the most widely
used methods to analyze flexible multibody systems subjected to large rigid-body motion but …

Inertia forces and shape integrals in the floating frame of reference formulation

G Orzechowski, MK Matikainen, AM Mikkola - Nonlinear Dynamics, 2017 - Springer
Modeling and analysis of complex dynamical systems can be effectively performed using
multibody system (MBS) simulation software. Many modern MBS packages are able to …

Consistent strain-based multifidelity modeling for geometrically nonlinear beam structures

K Otsuka, Y Wang, K Fujita… - Journal of …, 2022 - asmedigitalcollection.asme.org
Conventional multifidelity modeling for slender structures such as folding-wing aircraft and
offshore wind turbines does not allow the generation of multiple fidelity models that …

Durability analysis and implementation of the floating frame of reference formulation

AA Shabana, G Wang - … Engineers, Part K: Journal of Multi …, 2018 - journals.sagepub.com
The finite element floating frame of reference (FFR) formulation, implemented in most
commercial multibody system (MBS) computer programs, is widely used in the durability …

A complete strategy for efficient and accurate multibody dynamics of flexible structures with large lap joints considering contact and friction

F Pichler, W Witteveen, P Fischer - Multibody System Dynamics, 2017 - Springer
This paper deals with the dynamics of jointed flexible structures in multibody simulations.
Joints are areas where the surfaces of substructures come into contact, for example …