Laboratory for Dynamics of Machines and Structures

Full-field FRF estimation from noisy high-speed-camera data using a dynamic substructuring approach

Published on 5.10.2020

New Elsevier release: Vibration Fatigue by Spectral Methods: From Structural Dynamics to Fatigue Damage – Theory and Experiments

Published on 22.9.2020

Performance of the Expanded Virtual Point Transformation on a Complex Test Structure

Published on 24.8.2020

Experimental Identification of the Dynamic Piezoresistivity of Fused-Filament-Fabricated Structures

Published on 14.8.2020

Process parameters for FFF 3D-printed conductors for applications in sensors

Published on 13.8.2020

Strain proportional damping in Bernoulli-Euler beam theory; Politecnico di Torino and University of Ljubljana collaboration

Published on 4.5.2020

Thermoelasticity-based modal damage identification; Uni Perugia, Uni Padova and UL collaboration

Published on 30.4.2020

Free online course on Python High-speed Image Based Experimental Modal Analysis & Open Source Tools

Published on 15.4.2020
Published on 26.2.2020

Harmonic Equivalence of the Impulse Loads in Vibration Fatigue

Published on 26.11.2019

Including directly measured rotations in the virtual point transformation.

Published on 25.10.2019

Structure-Borne Noise at PWM Excitation Using an Extended Field Reconstruction Method and Modal Decomposition

Published on 17.9.2019

Frequency domain triangulation for full-field 3D operating-deflection-shape identification

Published on 07.8.2019

Dynamic Measurements Using FDM 3D-Printed Embedded Strain Sensors                           

Published on 17.6.2019

Vibration fatigue at half-sine impulse excitation in the time and frequency domains

Published on 26.2.2019

Beckhoff donation of measurement and automation equipment

Published on 30.11.2018

Experimental Modal Analysis on Full-Field DSLR Camera Footage Using Spectral Optical Flow Imaging

Published on 13.8.2018

A review of continuous contact-force models in multibody dynamics

30 different contact force models for general and cylindrical contacts are compared.
Published on 23.7.2018

On multibody-system equilibrium-point selection during joint-parameter ...

A new general model-based parameter-estimation method is proposed that minimizes the difference between natural frequencies.
Published on 4.7.2018

On the performance of direct piezoelectric rotational accelerometers ...

A comparison of rotational accelerometers in experimental structural dynamics is made.
Published on 11.6.2018

A Smooth Contact-State Transition in a Dynamic Model of Rolling Bearings

A new formulation for the contact-state transition in rolling-element bearings is presented, which facilitates a time integration procedure.
Published on 6.6.2018

An impedance tube submerged in a liquid for the low-frequency ...

A four-microphone impedance tube for use in liquids in the low-frequency range is presented.
Published on 17.5.2018

Structural dynamics based end-of-line control of manufacturing process

The system is integrated into the automation and information system and enables tracking of changes in the manufacturing process.
Published on 15.5.2018

Wear rate vs dynamic and material properties for a copper-graphite brush

A copper-graphite brush is used as a sliding part in the electrical contacts of electrical machines and usually operates at elevated temperatures.
Published on 29.3.2018

Experimental research on structure-borne noise at PWM excitation

An experiment with original motor parts is proposed to obtain the detailed dependence of the structure-borne noise on the PWM carrier frequency.
Published on 14.3.2018

Full-field modal analysis using a DSLR camera

Presentation of full-field displacement spectral components, measured using harmonically varying light and images taken with still frame (DSLR) camera.
Published on 12.3.2018

Electrical contact at high speed camera recording

When two current carrying wires touch each other there is a spark; this is an high-speed video of the phenomena captured at 20.000 FPS.
Published on 10.3.2018

Spectral Optical Flow Imaging

Full-field displacement spectral components can be measured using harmonically varying light and images taken with still frame (DSLR) cameras.
Published on 15.1.2018

Non-Stationarity Index in Vibration Fatigue

In recent study a non-stationarity index was established, that relates reduction of time-to-failure to excitation signal non-stationarity rate.
Published on 1.1.2018

Vibration fatigue using modal decomposition

This paper presents a new approach to vibration fatigue analysis, based on modal decomposition.
Published on 25.12.2017

The importance of harmonic versus random excitation for a human finger

The manuscript researches the human index finger response when subjected to harmonic or random excitation.
Published on 11.8.2017

A Sequential Approach to the Biodynamic Modeling of a Human Finger

This paper presents a new approach to biodynamic modeling. A single human finger was sequentially modeled.
Published on 7.8.2017

Absolute Nodal Coordinate Formulation in a Pre-Stressed Large-Displacement Dynamical System

Pre-stress effect for a flexible body assembled in a rigid-flexible multibody system.
Published on 27.7.2017

High frequency modal identification on noisy high-speed camera data

Our later paper demonstrates modal parameter identification for noisy measurements when using optical full-field footage.
Published on 7.5.2017

Damping heat coefficient – Theoretical and experimental research on ...

Based on modal damping, it is shown that different amounts of energy are dissipated at different parts of the structure.
Published on 12.4.2017

Full-degrees-of-freedom frequency based substructuring

This paper focuses on frequency-based substructuring methods using experimentally obtained data.
Published on 4.4.2017

The fastest commercial high speed camera

FASTCAM SA-Z (up to 2.1 million frames per second at 128 x 8 pixels, 12 bit monocrome).
Published on 10.10.2016