Freelancer profile translated to English.
Back to original languageAbout Germain
I help companies and research laboratories innovate through tailor-made software solutions, combining scientific expertise, solid experience in software development (C#, Python, MATLAB), and mastery of the most advanced 3D modeling tools.
My general engineering background and my PhD in mechanical design allow me to understand the scientific and technical challenges of your projects and to develop solutions perfectly adapted to your needs. From modifying differential equation solvers to simulating the behavior of smart materials, I put my skills to work for innovation and workflow improvement.
Expert in 3D modeling and computational design, I master CAD software (CATIA, SolidWorks, FreeCAD, Rhinoceros). I also offer: parametric design, design for additive manufacturing, plugin/macro development, and in-depth expertise in Grasshopper (including plugin development) to create complex, optimized, and parametric 3D models.
Some examples of achievements:
- Development of a calculation code for simulating the behavior of smart shape-memory materials, allowing prediction of their performance and optimization of their use in specific applications (e.g., actuators, sensors).
- Development (C#) of a Grasshopper plugin for the design and simulation of heterogeneous objects made of smart materials, enabling faster and more accurate design of complex components.
- Establishment of interoperability between Grasshopper and MATLAB.
- Development (Python) of CAD assistance for additive manufacturing, integrating design rules for FDM, SLA, SLS, and SLM techniques, to reduce design errors and optimize parts for manufacturing.
French
Native or bilingual
English
Fluent
German
Basic
Can work on-site
Nantes (up to 30km)
Experience
- KELVIONPython Development - Thermal Simulation and Sizing ToolENERGY AND UTILITIESApril 2024 - December 2024 (8 months)Nantes, FranceContext:Client: World leader in heat exchange solutions, specializing in the design and manufacturing of advanced thermal management systems for various industries.Development of a sizing and quoting software for heat exchangers, replacing an Excel spreadsheet used by thermal engineers.Achievements:- Development (Python) of a scientific package to reproduce and improve the calculations of the existing tool- Object-oriented programming, use of NumPy, SciPy, Pandas, Matplotlib libraries- Code validation through simulation on several real-world cases- Co-design of a user-friendly interface with thermal engineers- Development of a graphical interface (QtDesigner, PySide6) for intuitive use of the tool
- Capgemini EngineeringResearch and Development Project ManagerJanuary 2021 - July 2023 (2 years and 6 months)Nantes, FranceDevelopment of CAD assistance for additive manufacturing (AM)Collection of design rules for AM techniques: FDM, SLA, SLS, and SLMModeling of design rules through the creation of an ontologyDevelopment of an algorithm for real-time generation of support structures during CADPython development to create a demonstrator of the assistance in the FreeCAD CAD softwareManagement of a team of 5 to 10 consultants
- Université de Technologie de Belfort-MontbéliardResearch ProfessorSeptember 2015 - August 2020 (5 years)Sevenans, FranceResearch
- Development of design methods and tools for **additive manufacturing of parts and assemblies**.
- Exploration of the design space offered by additive manufacturing, smart materials, and their interaction, commonly known as **4D Printing**. Development of a global approach for 4D printing design.
- Voxel-based modeling of heterogeneous objects. Proposal of acalculation code for simulationof the behavior of shape-memory **smart materials**.
- Development of VoxSmart, aGrasshopper plugin for simulationof heterogeneous objects made (among others) of shape-memory smart materials.
- Extension of smart material sensitivity through theintegration of sensorsand Arduino microcontrollers.
- Development of a resin deposition machine for shape-memory polymer photosensitive resin for 4D printing.Programming of an Arduino boardfor machine control, improvement of the UV drying device for the resin. Study of new resins.
- Development of algorithms for **G-code generation**.
Teaching- Design methodologies for parts and assemblies using CATIA (CAD software), mechanism simulation, mechanical dimensioning, for students at Bachelor's/Master's level (Bac+3/4)
- Design for additive manufacturing (AM) with Fusion360, Rhinoceros3D, and Grasshopper
- Supervision of educational projects: design and manufacturing of a 4D printed transformable water wheel, design and manufacturing of a 4D printed self-deployable satellite
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Education
- DoctoratUniversité de Technologie de Belfort-Montbéliard2019Conception pour la fabrication additive. Conception pour l'impression 4D.
- Master Recherche Transports Terrestres et AéronautiquesISAE-ENSMA2013Structures et matériaux