Engineering & Consulting Centre of Alfa-Tranzit Co., Ltd was founded in 2000 year by Mikhail K. Leontiev - academician, professor, doctor of science, the member of SAE. Being one of the leaders in rotordynamics field, he, together with the employees, has accumulated over forty year-experience in the field of rotating machinery from different scientific schools. Today the company is one of the Russian industry leaders in the software, analysis, design and testing of rotor structurs for high performance turbomachinery.

Our team history in products:

Dynamics R4.x 2005-present time
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Dynamics R4 Main window GTE critical speeds Engine waterfall diagram Two-shaft rotor system (model-based diagnostic)

VibroNet 1.x -2.x 2002-present time
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Vibronet main window Vibronet Chanel info, FFT spectrum Vibronet signal analyser

Dynamics R3.x 2001-2004

Dynamics R31 main window Dynamics R31, Critical Speeds  results for simple rotor Dynamics R31, Modelling window , rotor support stiffnesses Dynamics R31, Natural frequencies results

Damper R3.1 2000
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Damper R31 flexible element settings Damper R31 layout settings Damper R31 pressure distribution Damper R31, damping versus eccentricity Damper R31, damping versus eccentricity, table view

DOS and mainfraims versions 1972-1992

Dynamics1 - Rotordynamics for DOS Dynamics1, modeling, support stiffnesses Dynamics1, Mode shapes results Dynamics1, protocol output Dynamics1, rotor model - edit mode Dynamics1, energy distribution per modeshape

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DYNAMICS R4.x is a new generation of software package for turbomachinery rotor dynamics problems. Details...
Media Library
DAMPER R3.1 is a simple tool for computing of the characteristics of hydrodynamic damper supports.Details...


  • Technical consulting in rotor dynamics
  • Design of rotor-bearing structures
  • Dynamical analysis of rotor-bearing structures
  • Design of the non-standard and unique experimental equipment for rotor-bearing structures
  • Development of vibration diagnostic and condition monitoring systems for gas turbine engines
  • Special software in rotor dynamics of turbomachinery - programming and development
  • Engineers training in rotor dynamics
  • Students training in rotor dynamics
  • Training in rotor dynamics field


  • Rotor Dynamics
  • Rotordynamics of Gas Turbine Engines
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