Dmitry Semenov

* Development of a new high-speed electrical drive system for an automotive application * Mechanical integrity assessment of an electrical motor rotor by using FEA (ANSYS) * Motor drive train dynamics analyses with FEM and test data analyses * Creation of technical reports for internal customers and measurement instructions for suppliers

Development of a new high-speed electrical drive system for an automotive application

* Development&optimization of powerful electrical generators (500-800MW) for the power market * Mechanical integrity assessment of the electrical generator stator winding using static and dynamic analyses (ANSYS) * Experimental modal testing (ME'scopeVES) * Rotor dynamics analyses with custom-built tools and test data analyses * Member of interdisciplinary (8D) root cause analysis teams focused on the understanding of failures and finding solutions preventing similar failures in the future

* Definition of program goals and scope, meeting cost and quality requirements * Definition of design constraints, concept development and trade-off studies to assure that engineering design intent is achieved * Technical leadership of a cross-functional design team including Electrical, Mechanical and Heat Transfer/Ventilation engineers from different countries * Creation of technical reports and measurement instructions for internal customers * Coaching and mentoring other colleagues

* FEA (ANSYS), stress analyses, assemblies with contact, material non-linearity and composites, high-&low-cycle fatigue analyses, fretting, natural frequencies assessment and forced response analyses. Export of the geometry from Unigraphics * Assembly tolerance analysis, using Cristal Ball * Test data analyses for GE generators (hammer/shaker experimental modal analyses, factory testing and rotor balance bunker tests) * Creation of technical reports and measurement instructions for internal customers

* In-situ vibration measurements on the generator stator * Modal testing of the generator sub-systems * Expert system development for technical condition assessment of generators, power transformers, etc. based on Visual Basic and * Microsoft Access * Visual inspection of a generator * Core ring testing and Core tightness/knife testing. Wedge tightness testing * Keybar integrity check by ultrasonic and modal testing * Mathematic (MatLab, MathCad) and statistical modeling, Digital Signal Processing