A review of flexible multibody dynamics for gradient-based design optimization

V Gufler, E Wehrle, A Zwölfer - Multibody System Dynamics, 2021 - Springer
Abstract Design optimization of flexible multibody dynamics is critical to reducing weight and
therefore increasing efficiency and lowering costs of mechanical systems. Simulation of …

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 …

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 …

Flexible multibody formulation using finite elements with 3 DoF per node with application in railway dynamics

J Pagaimo, P Millan, J Ambrósio - Multibody System Dynamics, 2023 - Springer
Flexible multibody formulations allow the dynamic analysis of mechanisms with slender or
thin-walled structures that deform during their operation. However, the majority of the …

Simulation of generally shaped 3D elastic body dynamics with large motion using transfer matrix method incorporating model order reduction

Q Zhou, J Fehr, D Bestle, X Rui - Multibody System Dynamics, 2023 - Springer
The multibody system transfer matrix method (MSTMM) is an efficient formalism for systems
involving rigid bodies and simple elastic elements like beams. The paper tackles the …

Global modes for the reduction of flexible multibody systems: methodology and complexity

A Cammarata - Multibody System Dynamics, 2021 - Springer
Modeling a flexible multibody system employing the floating frame of reference formulation
(FFRF) requires significant computational resources when the flexible components are …

[HTML][HTML] An efficient, floating-frame-of-reference-based recursive formulation to model planar flexible multibody applications

X Yu, A Zwölfer, A Mikkola - Journal of Sound and Vibration, 2023 - Elsevier
This paper describes a floating-frame-of-reference-based (FFRF-based) recursive
formulation for flexible bodies. A new definition of the joint coordinate system is introduced …

A fresh look at the dynamics of a flexible body application to substructuring for flexible multibody dynamics

M Géradin, DJ Rixen - International Journal for Numerical …, 2021 - Wiley Online Library
The general formulation of the dynamics of an elastic body undergoing arbitrary motion is
revisited with emphasis on the orthogonality between rigid body motion and elastic …

Knowledge-dominated and data-driven rigid-flexible coupling dynamics for rotating flexible structure

J Tang, L Qian, J Ma, L Chen, G Chen, Z Chen… - Knowledge-Based …, 2024 - Elsevier
Solving a rigid–flexible coupling nonlinear dynamic equation necessitates updating dynamic
quantities in each time step, which is the main factor that hampers computational efficiency …