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Cassio GasparCG

Cassio Gaspar

SHM / Vibration Analysis / Structures

€500/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Cassio

PhD engineer specialized in structural dynamics applied to civil engineering, I work at the interface between academic research and industrial applications in the fields of structural health monitoring (SHM), vibration analysis, signal processing, instrumentation, and numerical modeling of the dynamic behavior of structures using finite elements.

Types of structures and systems analyzed:
  • wind turbine towers;
  • bridges and walkways;
  • floors;
  • beams;
  • buildings;
  • aging structures.
I am also open to studying specific case studies and complex systems.

Missions:
  • extending the service life of structures;
  • optimizing the operational availability of structures;
  • reducing maintenance costs while improving safety;
  • evaluating serviceability limit states (SLS) and ultimate limit states (ULS) against excessive vibrations;
  • studying vibration control solutions (tuned mass dampers).

Responsibilities:
  • design and development;
  • project management;
  • data analysis and processing;
  • writing technical reports and scientific publications.

Methods:
  • numerical: finite elements (static, modal, and transient analyses);
  • experimental: experimental modal analysis (EMA) and operational modal analysis (OMA);
  • instrumentation: sensor selection, definition of their placement, choice of data acquisition systems, and design of low-cost vibration measurement devices based on Arduino, Raspberry Pi, or equivalent.
  • optimization;
  • updating numerical models;
  • digital twins.

Tools:

ANSYS • MATLAB • Python • LabVIEW • ARTeMIS Modal • CSI SAP2000 • CYPECAD
  • French

    Native or bilingual

  • English

    Fluent

  • Portuguese

    Native or bilingual

Can work on-site
Paris (up to 50km)

Experience

  • Eletrobras SA (Axia Energia) - Brésil
    SHM & Vibration Analysis Consultant
    ENERGY AND UTILITIES
    April 2025 - April 2026 (1 year)
    Rio de Janeiro, Brazil
    R&D project for structural monitoring of onshore wind turbine towers, including:
    • definition of the instrumentation plan;
    • selection and deployment of sensors (accelerometers, strain gauges, inclinometers, PT-100 thermistors) and data acquisition system;
    • vibration analysis and data processing;
    • technical management of the development of a continuous monitoring software solution.
    Structural Health Monitoring Vibration Analysis Instrumentation Finite Elements Python
  • École nationale des ponts et chaussées (ENPC)
    Adjunct Professor
    EDUCATION AND E-LEARNING
    November 2024 - November 2024
    Champs-sur-Marne, France
    • Tutorial (vibration sensors: accelerometers) teaching at Master's level;
    • Lecture (crowd-structure interaction on floors and walkways) teaching at Master's level.
  • Université Gustave Eiffel
    Collaborative Researcher
    EDUCATION AND E-LEARNING
    June 2024 - September 2024 (3 months)
    Champs-sur-Marne, France
    • Design of the research project "StressInCrowds", no. 101209676 (internal reference number: SEP-211073664) submitted on the "EU Funding and Tenders Portal" platform for the HORIZON-MSCA-2024-PF-01 postdoctoral fellowship. The project obtained a score of 83.40% (threshold score: 70.00 /100.00)

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Education

  • PhD in Civil Engineering (specialty: structures)
    State University of Rio de Janeiro / University of Porto - FEUP (Portugal)
    2018
    Au cours de mon doctorat, j'ai contribué à l'interaction foule-structure sur des planchers en utilisant des modèles biodynamiques pour améliorer la précision de la réponse structurelle, ce qui a conduit à une publication dans une revue Q1 (DOI : 10.1002/stc.2466) en collaboration avec l'Université de Porto (Portugal). J'ai acquis des compétences expérimentales approfondies, en gérant tous les aspects de l'évaluation dynamique des planchers et des passerelles piétonnes, y compris l'instrumentation, l'installation de capteurs, le traitement des données et la résolution de problèmes inverses grâce à des techniques d'optimisation. Dans le cadre de ma mobilité doctorale à FEUP, j'ai perfectionné mes compétences techniques, telles que le traitement de signaux, l’usage de capteurs de vibrations et l'instrumentation des ouvrages du génie civil, en participant à des essais dynamiques expérimentaux sur des structures à échelle réelle, telles que des passerelles, des ponts et des planchers, à des fins de recherche et de conseil. De plus, j'ai amélioré mes compétences interpersonnelles, comme la communication, le travail en équipe et la persévérance dans la résolution de problèmes complexes dans un environnement international, ce qui a été essentiel à l'achèvement de ma thèse de doctorat.
  • Master in Civil Engineering (specialty: structures)
    State University of Rio de Janeiro
    2013
    Pour améliorer le confort humain face aux vibrations structurelles excessives, j'ai développé des approches numériques de contrôle passif des vibrations (amortisseurs à masses accordées) sur des planchers de bâtiments soumis à des activités rythmiques humaines, ce qui a abouti à un article publié dans une revue Q1 (DOI : 10.1016/j.compstruc.2015.12.010), en collaboration avec l'Université de Coimbra (Portugal).

Certifications

  • Qualified for the functions of University Professor in Mechanics, Mechanical Engineering, Civil Engineering (CNU 60)
    Ministry of Higher Education, Research and Space
    2025

Skill set

Categories

  • Other