Dr. Vittorio Memmolo Profile

Dr. Vittorio Memmolo

at Univ degli Studi di Napoli Federico II

SPIE Involvement:

Author

Area of Expertise:

Structural Health monitoring , Guided Waves , Ultrasounds , Composite Structures , Numerical simulations , Non Destructive Testing

Websites:

Company Website | Personal Website

Vittorio Memmolo is PhD student at Università degli studi di Napoli Federico II, from which he received his Master Degree cum laude and Acedemic Committee Honors in Aerospace Engineering in 2014. Since this time, he worked in the field of Structural Health Monitoring (SHM). He is currently investigating different aspects of propagating wave SHM in composites, including interaction with delamination, tomographic approaches and statistical quantification of damage identification systems. Some results of his early research, obtained through measurements and simulations, are already published in international journals and proceedings.

Proceedings Article | 9 May 2024 Presentation + Paper

Investigation of damages in impacted thick composite panels by NDI methods

Pietro Russo, Veronica Vespini, Sara Coppola, Fabiana Graziano, Pietro Ferraro, Simonetta Grilli, Massimo Rippa, Ettore Stella, Massimiliano Nitti, Vito Renò, Giuseppe Del Prete, Valerio Dentico, Nicola Gallo, Vittorio Memmolo, Ernesto Monaco, Fabrizio Ricci

Proceedings Volume 12947, 1294704 (2024) https://doi.org/10.1117/12.3010125

KEYWORDS: Composites, Nondestructive evaluation, Shearography, Inspection, Defect detection, Statistical analysis, Thermography, Polymers, Laser interferometry, Sensors

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Proceedings Article | 9 May 2024 Poster + Paper

Multimodal NDT inspection and characterization of composite honeycomb sandwich samples with programmed flaws

Veronica Vespini, Sara Coppola, Fabiana Graziano, Simonetta Grilli, Pietro Ferraro, Massimo Rippa, Pietro Russo, Valerio Dentico, Giuseppe Del Prete, Nicola Gallo, Vittorio Memmolo, Ernesto Monaco, Fabrizio Ricci

Proceedings Volume 12951, 129512L (2024) https://doi.org/10.1117/12.3010360

KEYWORDS: Nondestructive evaluation, Composites, Inspection, Defect detection, Statistical analysis, Shearography, Thermography, Laser ultrasonics, Industry, Aerospace engineering

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Proceedings Article | 25 April 2023 Presentation

Development and testing of polyamide 6/graphene nanoplatelets sensors applied on composite plates for structural dynamic and SHM applications (Conference Presentation)

Ernesto Monaco, Pietro Russo, Vittorio Memmolo, Fabrizio Ricci

Proceedings Volume 12488, 124880R (2023) https://doi.org/10.1117/12.2660083

KEYWORDS: Sensors, Structural health monitoring, Composites, Structural dynamics, Graphene, Aerospace engineering, Wave propagation, Ultrasonography, Signal to noise ratio, Polymers

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Proceedings Article | 25 April 2023 Presentation + Paper

Changes in the state of ice buildup on a composite plate: ultrasonic monitoring and assessment

L. Maio, V. Memmolo, J. Moll, E. Monaco, F. Ricci

Proceedings Volume 12488, 1248807 (2023) https://doi.org/10.1117/12.2662463

KEYWORDS: Ice, Ultrasonics, Wave propagation, Waveguides, Transducers, Ultrasound transducers, Composites

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Proceedings Article | 11 May 2020 Paper

Investigation on guided waves propagation across ice layers

Vittorio Memmolo, Jochen Moll

Proceedings Volume 11381, 1138134 (2020) https://doi.org/10.1117/12.2572804

KEYWORDS: Waveguides, Wave propagation, Ultrasonics, Phase shifts, Composites, Ultrasonography, Wind turbine technology, Scattering, Climatology, Glasses

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Proceedings Article | 1 April 2019 Presentation + Paper

Hybrid structural health monitoring on a composite plate manufactured with automatic fibers placement including embedded fiber Bragg gratings and bonded piezoelectric patches

N. Boffa, E. Monaco, F. Ricci, L. Lecce, M. Barile, V. Memmolo

Proceedings Volume 10972, 109720U (2019) https://doi.org/10.1117/12.2516537

KEYWORDS: Fiber Bragg gratings, Sensors, Structural health monitoring, Optical fibers, Composites, Ferroelectric materials, Fiber optics sensors, Manufacturing, Waveguides, Liquids

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Secondary bonded or embedded sensors are usually adopted in Structural Health Monitoring of composite structures. Each type of sensor has advantages and drawbacks when used separately although their proper integrated combination may improve the overall performance of a SHM system. The aim of the present work is to evaluate the feasibility of an efficient hybrid SHM system able to sense and locate low velocity impacts and to localize eventual impact damages at their early stage with few sensors. A CFRP panel demonstrator with embedded FBGs has been fabricated by NOVOTECH srl through an advanced out-of-autoclave manufacturing process based on the following main phases: production of dry preforms laid down with a laser assisted automated fiber placement robot (AFP); insertion of the FBGs network within the stack of the preform according to the design requirements; high temperature liquid resin infusion process. Disk shaped piezo patches (PZT) are then secondary bonded to the panel. First, an impact sensing mode is enabled resorting to both PZTs and FBGs as receivers, gathering strain waves from the impact location. A material independent technique, that needs neither a priori knowledge of the material properties even for anisotropic plates nor a dense array of sensors, will be used to locate the impact. To assess the integrity of the panel after impact localization, the damage location mode is then performed using the most effective sensors, where the selection of these sensors is possible thanks to the knowledge of the impact location carried out in the previous mentioned impact sensing mode. The damage localization technique is based on guided waves generated by PZTs and sensed by both PZTs and FBGs. Again, thanks to the knowledge of the impact location, a reduced number of PZTs is selected to perform the damage localization. The main advantage of the proposed technique is the capability to sense impact events and to activate the damage localization mode only when required. Moreover, by the knowledge of the impact location, only a few sensors (sources and receivers) need to be used in favor a reduced number of acquisition channels required and acquisition data to be managed.

Proceedings Article | 27 March 2018 Presentation + Paper

Hybrid guided wave based SHM system for composite structures for impact and delamination detection combining fiber Bragg grating sensing and piezoelectric patches

N. D. Boffa, E. Monaco, L. Maio, V. Memmolo, F. Ricci, E. Mendoza, T. Kundu

Proceedings Volume 10600, 106000D (2018) https://doi.org/10.1117/12.2297694

KEYWORDS: Sensors, Fiber Bragg gratings, Structural health monitoring, Composites, Waveguides, Wave propagation, Sensing systems

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Proceedings Article | 27 March 2018 Presentation + Paper

Development of a de-icing system for aerodynamic surfaces based on ultrasonic waves

L. Maio, S. Ameduri, A. Concilio, E. Monaco, V. Memmolo, F. Ricci

Proceedings Volume 10600, 106000H (2018) https://doi.org/10.1117/12.2300780

KEYWORDS: Ferroelectric materials, Actuators, Skin, Interfaces, Ultrasonics, Aerodynamics, Finite element methods, Transducers, Aluminum, Aerospace engineering

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Proceedings Article | 5 April 2017 Presentation + Paper

Laser Doppler velocimetry and PZT sensing for the study of guided waves in a stepped aluminum plate

L. Maio, F. Ricci, V. Memmolo, N. D. Boffa, E. Monaco, A. Mal, C. Schaal

Proceedings Volume 10170, 101701S (2017) https://doi.org/10.1117/12.2260140

KEYWORDS: Wave propagation, Doppler effect, Wave plates, Nondestructive evaluation, Velocity measurements, Vibrometry, Waveguides, Aluminum, Actuators, Laser Doppler velocimetry, Transducers, Dispersion

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Proceedings Article | 5 April 2017 Presentation + Paper

Guided waves based SHM systems: parameters selection for better identification and localisation of damages in composites stiffened plates

E. Monaco, V. Memmolo, N. D. Boffa, L. Maio, F. Ricci

Proceedings Volume 10170, 101701E (2017) https://doi.org/10.1117/12.2260447

KEYWORDS: Waveguides, Structural health monitoring, Composites, Aerospace engineering, Signal generators, Structural design, Failure analysis, Signal detection, Wave propagation, Damage detection, Ultrasonics, Tomography

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Proceedings Article | 1 April 2016 Presentation + Paper

Detecting delaminations and disbondings on full-scale wing composite panel by guided waves based SHM system

E. Monaco, N. Boffa, V. Memmolo, F. Ricci, L. Maio

Proceedings Volume 9805, 98050V (2016) https://doi.org/10.1117/12.2219204

KEYWORDS: Structural health monitoring, Waveguides, Composites, Nondestructive evaluation, Damage detection, Signal analysis, Signal detection, Wave propagation, Statistical analysis, Algorithm development

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Proceedings Article | 1 April 2016 Presentation + Paper

Model assisted probability of detection for a guided waves based SHM technique

V. Memmolo, F. Ricci, L. Maio, N. Boffa, E. Monaco

Proceedings Volume 9805, 980504 (2016) https://doi.org/10.1117/12.2219306

KEYWORDS: Structural health monitoring, Composites, Probability theory, Waveguides, Tomography, Damage detection, Mathematical modeling, Wave propagation, Ultrasonics, Environmental sensing, Reliability, Statistical analysis, Inspection, Ferroelectric materials

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SPIE Journal Paper | 20 October 2015

Damage detection tomography based on guided waves in composite structures using a distributed sensor network

Vittorio Memmolo, Leandro Maio, Natalino Daniele Boffa, Ernesto Monaco, Fabrizio Ricci

OE, Vol. 55, Issue 01, 011007, (October 2015) https://doi.org/10.1117/12.10.1117/1.OE.55.1.011007

KEYWORDS: Optical tomography, Tomography, Damage detection, Waveguides, Composites, Structural health monitoring, Wave propagation, Statistical analysis, Sensors, Optical engineering

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Proceedings Article | 23 March 2015 Paper

Guided waves based SHM systems for composites structural elements: statistical analyses finalized at probability of detection definition and assessment

E. Monaco, Vittorio Memmolo, F. Ricci, Natalino Boffa, L. Maio

Proceedings Volume 9438, 94380M (2015) https://doi.org/10.1117/12.2084334

KEYWORDS: Structural health monitoring, Sensors, Statistical analysis, Composites, Reliability, Wave propagation, Waveguides, Interference (communication), Inspection, Damage detection

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