Dr. Robson Brzostek

or method development of nonlinear numerical simulations to solve difficult problem for Additive Manufacturing process simulation. Collaborated for development of methodologies for management and analyses of large amounts of information in combination with uncertainty quantification and optimization studies. Performed structural design optimisation, thermal and process simulation, and structural simulation. Performed Micromodel simulations: Particles Spreading Modelling and Laser Melting.

Responsible for the application of the F&DT design in RFSSW following European regulation. Performed stress analysis and developed a guideline for structural optimization. Performed hand calculation using numerical computing. Set-up FE models for SIFs and J-Integral. Performed damage tolerance analysis, crack propagation tests, and crack propagation calculations. Developed an innovative FE model for fatigue crack growth (XFEM). Developed process numerical models for FSW, FS and AM plasma transferred arc

Coordinated project progress within the design team: project proposals, mechanical tests, presentation of results, technical reports, and certification documents. Design guidance and structural calculations for an end-fitting for flexible riser, performed detailed FE model and hand calculation. Elaborated and coordinated full-scale tests for the end-fitting. Investigated damage caused by fatigue in flexible risers and umbilical and developed an assessment procedure for remaining life.

Conceived, designed, and prototyped a new-concept of bend stiffener for flexible risers. Elaborated calculation reports, performed mechanical tests, developed and calibrated hyperelastic FE models of polymer for structural optimization of bend stiffeners. Elaborated detailed technical and engineering specifications to ensure good balance between technology selection and project execution of bend stiffener.

Performed mechanical tests (static and dynamic loading) of refill FSSW joints. Applied digital image correlation to describe local strain and local displacement .• Developed an explicit numerical model of crack propagation in refill FSSW joints.

Optimized structural designs to improve fatigue life based on CAE results. Conducted structural analysis, design verification and tests of various components.

Developed statistical analysis using DoE for aerospace application of refill FSSW process. Joint characterization (optical microscope, microhardness, etc.).

Tamed with senior engineers to develop linear/non-linear FE models for stress analysis. Developed 3D assemblies, detailed manufacturing drawings and engineering specifications.

“Damage Tolerance of Refill Friction Stir Spot Weld application to aircraft industry”

“Fracture study of Refill Friction Stir Spot Weld in AA 2020-T351 and Alclad AA2024-T351: An Experimental and Numerical approach” MSc. Thesis “A” (1.0 – German System), Scholarship holder from CNPq - Brazil

“Study and development of a computer model of Johnson-Cook damage criterion for refill friction stir spot welding” BSc. Thesis “A” (1.0 – German System), Recognized as Maschinenbauingeniurwesen