JOULIN Jean-Luc

Achievements :

Implementation of a solution for automatic generation of calculation notes :

• Comparative study between Pandoc and Sphinx.

• Comparative study between MarkDown and ReST marking languages.

• Feature comparison:

  • Management of tables.

  • Management of internal references.

• Programming of data processing functions in Python..

• Development in accordance with the PEP8 standard.

Results :

Development of the document generator.

Development of an alternative marking language dedicated to technical documentation.

Achievements :

Examination of calculation notes for level 1 valves (Primary Main Circuit) :

• Examination of analytical and finite element calculation notes from different manufacturers (Velan, Sempell, General Electric, Dresser, ...).

• Validation of input data (pressures, temperatures, transients, ...).

• Validation of calculation hypotheses (formulas, material characteristics, criteria, meshing, ...).

• Verification of results with counter-calculations (Analytical and Finite Elements).

• Verification of compliance with the requirements of the RCC-M and the ESPN decree.

• Writing of expert reports transmitted to the manufacturer and to the Nuclear Safety Authority (ASN.

Review of regulatory documentation :

• Inspection notes (Verification of inspectable areas according to plans).

• Instruction manuals (Validation of instructions for assembly, use, maintenance, ...).

• Dimensions necessary to meet the requirements.

Other :

• Creation of analytic calculation spreadsheet.

• Inspection visits and meetings with the manufacturers.

Results :

50 new reports and 190 reports updates.

Achievements :

Design calculations for a high temperature test bench :

• Model creation with ANSYS Workbench and ANSYS Classic (APDL).

• Documentation research on the materials to be used.

• Elasto-plastic thermo-mechanical calculations with different designs (thicknesses, lengths, clamping ...).

• Plastic stress and strain analysis according to te RCC-MRx criteria.

• Work in collaboration with the design office (Presentations, progress meetings, ... ).

• Writing of the dimensioning note.

Results :

Design of the test bench validated by the team.

Achievements :

Calculations of ventilation duct supports for TUNZINI (EPR Flamanville):

• Creation of beam models with ROBOT.

• Verification of the resistance of the different elements (beams, bolts, ...) to an earthquake with ROBOT.

Certification of tools for EDF :

• Creation and modification of APDL models with ANSYS Classic.

• Search for the maximum payload for each tool.

Results :

Validation of several supports for Tunzini.

Validation of several tools for EDF.

Achievements :

Calculation of a vessel section of a fast neutron reactor :

• Meshing of the section with Visual-Mesh based on the volumic model.

• Thermo-mechanical calculations of several loading configurations with Systus

• Analysis with AREVA NP's specific tools.

Results :

Validation of the vessel section design.

Achievements :

Calculations on the shaft line part of gas turbines :

• Verification of critical speeds and compliance with the General Electric design rules.

• Calculation of the response of the shaft line subjected to unbalances (normal and accidental situations).

• Conversion of a turbine model from SAMCEF to ANSYS and validation of the new model.

Business follow-up :

• Follow-up of cases in progress, workload forecasting.

• Management of documents in databases.

Results :

Validation of several shaft line configurations.

SAMCEF Model successfully converted to ANSYS

Achievements :

Studies of alternators for hydraulic power plants:

• Realization of parameterized shell models of different components with ANSYS (Frame, cross braces,...).

• Realization of calculations in substructuring (Several inter-connected components).

• Calculations with different loading cases (Stop, normal operation, runaway...).

• Modal analysis to check the critical modes and critical speeds of the shaft line.

• Writing of the associated calculation notes.

Validation of the revamping of bulb groups for CNR :

• Realization of shell and volume models with ANSYS.

• Verification of the constraints in the structure.

• Verification of the forces transmitted to the links with contact management between components.

Analytical calculations of some functions :

• Lubrication of the bearings.

• Setting up calculations on spreadsheets.

Results :

Dimensioning of several alternators.

Research study for ALSTOM POWER SERVICE successfully completed.

Validation of repairs on bulb groups.

Achievements :

Verification of a special machine for the manufacture of EPR reactors for NFM :

• Modeling of the machine with ANSYS Workbench.

• Global calculation in different positions with a coarse mesh.

• Study of the linkages efforts between the different components.

• Local calculations on the different components with a fine mesh.

• Verification of the static and fatigue strength of the structure.

Seismic analysis of a busduct (high voltage electrical conductor) for SIEMENS :

• Busduct modeling with ANSYS.

• Spectral calculations according to a specific response spectrum.

• Verification of the holding of the structure.

Results :

Validation of the rotating machine.

Validation of the busduct.

Achievements :

Verification calculations on nuclear components for the Flamanville EPR reactor :

• Calculations on different sections of the pressurizer and steam generators (Exhaust manifolds, holes, supports, ...).

• Verification in accordance with the RCC-M design rules.

• Thermal analysis and verification of deformation by thermal ratchet.

• Taking into account the different conditions that the components undergo during their lifetime.

• Verification of the fatigue strength of each section.

• Writing of the behaviour analysis report transmitted to the Nuclear Safety Authority (ASN).

• Rédaction du Dossier d’Analyse du Comportement (DAC) transmis à l'Autorité de Sureté Nucléaire (ASN).

Results :

Realisation of calculations and behaviour study concerning :

• The exhaust manifolds of the pressurizer.

• Lateral fasteners for steam generators.

Achievements :

Follow-up of manufacturing and assembly of rolling mills, hydraulic presses,… :

• Writing of manufacturing programs.

• Preparation of the tasks to be carried out and control points.

• Control and update of bills of materials on the production software.

• Planning of heat treatments and controls according to the drawings.

• Management of in-process anomalies.

Tool designing :

• Design of tools for assembly and handling.

• Design of machining fixtures for large parts.

• Design of control templates.

Results :

Implementation of machining fixture for large parts machining.

Follow-up of the manufacturing of several machines :

• DSR (Dynamic Shape Roll).

• Flattening machines.

• Hydraulic presses (Michelin).

• Spare parts.

Achievements :

Verification of the impact resistance of Vertical Launch Modules (VLM) for ASTER and MICA missiles :

• Vibratory analysis of VLM.

• Study of forced oscillation behavior with contact management.

• Creation and modification of meshes with Visual-Mesh.

• Writing of expert reports.

Other studies :

• Verification of the holding power of fastener flanges.

• Verification of the tightness of pipes connections.

Results :

Successful VLM calculations with several loads and shocks configurations