Parametric reduced-order modeling for component-oriented treatment and localized nonlinear feature inclusion

K Vlachas, A Garland, DD Quinn, E Chatzi - Nonlinear Dynamics, 2024‏ - Springer
We propose coupling a physics-based reduction framework with a suited response
decomposition technique to derive a component-oriented reduction (COR) approach, which …

Accelerating structural dynamics simulations with localised phenomena through matrix compression and projection‐based model order reduction

K Agathos, K Vlachas, A Garland… - International Journal for …, 2024‏ - Wiley Online Library
In this work, a novel approach is introduced for accelerating the solution of structural
dynamics problems in the presence of localised phenomena, such as cracks. For this …

Method for Reduced-Order Modeling with Mode Selection Criterion

JG Kim, M Faizan Baqir, KC Park - AIAA Journal, 2024‏ - arc.aiaa.org
A reduced-order modeling (partitioned reduced-order modeling [P-ROM]) method for
structural systems is presented, which employs recently developed displacement-only …

[HTML][HTML] On the experimental coupling with continuous interfaces using frequency based substructuring

D Ocepek, F Trainotti, G Čepon, DJ Rixen… - Mechanical Systems and …, 2024‏ - Elsevier
In experimental dynamic substructuring, coupling of substructures sharing a line-or surface-
like interface proves to be a challenge due to the difficulties in interface modelling. Modelling …

Comparison of model order reduction techniques for flexible multibody dynamics using an equivalent rigid-link system approach

R Vidoni, L Scalera, A Gasparetto… - 8th ECCOMAS Thematic …, 2017‏ - air.uniud.it
In this paper we present a comparison of different model order reduction techniques for
flexible multibody dynamics. In particular, we adopt a formulation based on a Equivalent …

Utilizing off-resonance and dual-frequency excitation to distinguish attractive and repulsive surface forces in atomic force microscopy

AJ Dick, SD Solares - 2011‏ - asmedigitalcollection.asme.org
A beam model is developed and discretized to study the dynamic behavior of the cantilever
probe of an atomic force microscope. Atomic interaction force models are used with a …

A free interface component mode synthesis approach for determining the micro-end mill dynamics

KK Singh, SS Kulkarni, V Kartik… - Journal of Micro …, 2018‏ - asmedigitalcollection.asme.org
The prediction accuracy of the stability boundary in the machining process depends upon
accurate estimation of cutting tool-tip dynamics. Note that the experimental modal analysis …

Another explicit forms of dynamic substructuring approaches using dynamic constraints at joint nodes

M Son, HS Jang, JH An, HC Eun - Journal of Asian Architecture and …, 2024‏ - Taylor & Francis
The dynamic substructuring design describes the dynamic responses in the modal,
frequency and physical domains using coupling methods at joint nodes. This paper presents …

Substructure Mode Synthesis in the Prediction of Real Aircraft Vibration Modes

M Chuman, FL Bussamra, AA Verri… - AIAA SCITECH 2025 …, 2025‏ - arc.aiaa.org
This paper introduces a new approach to modal synthesis by integrating simulations with
real-scale experiments. The technique partitions the complete aircraft structure into …

[PDF][PDF] Parallel harmonic balance method for analysis of nonlinear mechanical systems

J Blahoš - 2022‏ - core.ac.uk
Mechanical vibration analysis and modelling are essential tools used in the design of
various mechanical components and structures. In the case of turbine engine design …