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 …

Analytical Sensitivity Analysis of Dynamic Problems with Direct Differentiation of Generalized-α Time Integration

E Wehrle, V Gufler - Machines, 2024 - mdpi.com
In this paper, the direct differentiation of generalized-α time integration is derived, equations
are introduced and results are shown. Although generalized-α time integration has found …

A semi-analytical approach to sensitivity analysis with flexible multibody dynamics of a morphing forward wing section

V Gufler, E Wehrle, J Achleitner, R Vidoni - Multibody System Dynamics, 2023 - Springer
In the present paper, semi-analytical design sensitivity analysis of a morphing forward wing
section modeled as a flexible multibody system is developed. The flexible multibody …

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 …

Lightweight engineering design of nonlinear dynamic systems with gradient-based structural design optimization

E Wehrle, V Gufler - Proceedings of the Munich Symposium on Lightweight …, 2021 - Springer
Reducing the weight of a system leads to lower forces being exerted, which in turn allows for
lower requirements and an even lighter system. This “virtuous circle of lightweight …

Flexible multibody dynamics and sensitivity analysis in the design of a morphing leading edge for high-performance sailplanes

V Gufler, EJ Wehrle, J Achleitner, R Vidoni - Proceedings of the 10th …, 2021 - bia.unibz.it
High-performance sailplanes have a wide speed range. Form-variable wings with a
morphing leading edge in combination with a trailing flap for a high-speed and a lowspeed …

RoboWalk: augmented human-robot mathematical modelling for design optimization

SAA Moosavian, M Nabipour, F Absalan… - … Computer Modelling of …, 2021 - Taylor & Francis
Utilizing exoskeleton devices to help elderly or empower workers is a growing field of
research in robotics. The structure of an exoskeleton can vary depending on user's physical …

RoboWalk: explicit augmented human-robot dynamics modeling for design optimization

SAA Moosavian, M Nabipour, F Absalan… - arXiv preprint arXiv …, 2019 - arxiv.org
Utilizing orthoses and exoskeleton technology in various applications and medical
industries, particularly to help elderly and ordinary people in their daily activities is a new …

Optimal Lightweight Engineering Design via a Three-Block Solver Scheme for Mechanical Analysis

E Wehrle - Symposium on Optimal Design and Control of …, 2022 - Springer
This paper provides an introduction to structural design optimization of dynamic systems.
Cast as an enabler of lightweight engineering design via its virtuous circle, design …

Check for updates Influence of Weighted Gradients in Topology Optimization of Flexible Multibody Systems

AA Nejat, A Held, R Seifried - Optimal Design and Control of …, 2024 - books.google.com
This paper deals with a level set-based topology optimization of flexible bodies within
flexible multibody systems. The required gradient is provided by an adjoint sensitivity …