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 …

Sensitivity Analysis of Flexible Multibody Dynamics with Generalized- Time Integration and Baumgarte Stabilization: A Study on Numerical Stability

V Gufler, E Wehrle, R Vidoni - The International Conference of IFToMM …, 2022 - Springer
This paper introduces Baumgarte stabilization and generalized-α time integration to the
sensitivity analysis of flexible multibody dynamics. This is done to counteract numerical drift …

[PDF][PDF] Analytical sensitivity analysis of flexible multibody dynamics with index-1 differential-algebraic equations and Baumgarte stabilization

V Gufler, E Wehrle, R Vidoni - system, 2023 - researchgate.net
This paper introduces analytical sensitivity analysis of flexible multibody dynamics with
Baumgarte stabilization. Flexible multibody dynamics is formulated with the floating frame of …

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 …

Modeling, design and optimization of flexible mechanical systems

E Wehrle, I Palomba, R Vidoni - Applied Sciences, 2021 - mdpi.com
Applied Sciences | Free Full-Text | Modeling, Design and Optimization of Flexible Mechanical
Systems Next Article in Journal Mixed, Augmented and Virtual, Reality Applied to the Teaching …

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 …

Topology optimization of a cableway pylon with assessment of uncertain loading

P Hofer, F Sturm, E Wehrle - PAMM, 2021 - Wiley Online Library
Topology optimization is an effective numerical tool to design high‐performance, efficient
and economical lightweight structures. The objectives of this work are threefold …