Engineering & Consulting Centre of Alfa-Tranzit Co., Ltd was founded in 2000 year.
 The company has accumulated over 40 years of rotating machinery field design and service experience in Russia and today has become one of the Russian industry leaders in the software, analysis, and design and testing of rotor structures for high performance turbo machinery. Alfa-Tranzit provides a wide spectrum of the engineering service:
- Technical consulting in rotor dynamics
- Design of rotor-bearing structures
- Dynamical analysis of rotor-bearing and gear structures
- Design of the non-standard and unique experimental equipment for rotor-bearing structures
- Development vibration diagnostic and condition monitoring systems for gas turbine engines
- Special software in rotor dynamics of turbo machinery - programming and development
Dynamics R4 is the best Russian software for a rotor dynamic analysis developed by
Alfa-Tranzit. It can be used by many various industrial companies involved in rotor
structures design and operating process.
DYNAMICS R4 – the software package is specifically developed for design, analysis and trouble shooting of many kinds of rotating machinery. The objects of research gas-turbine engines, power plants, air compressors, starters, turbo-expanders, turbo-driven pump assemblies, any kinds of gear systems, etc. It can be also used for development of model based diagnostic algorithms.
General Properties
- Variety of practical rotor dynamic problems of rotating machinery that can be solved in Dynamics R4
- Analysis of linear and non-linear rotating structures
- High accuracy and speed of computations
- Adaptive methods of numerical integration in transient analysis
- Modular architecture of program system that allows its developing and perfecting.
- Possibility of user’s algorithms and elements development and integration their into software
- Advanced system of information, including help functions and warnings and error messages
- M ore than 30 examples of models and solutions that demonstrate program functionalities including from published papers, manuals, and textbooks
- Support of students end engineers in their learning to rotor dynamics backgrounds
Functional Capacity
- M odeling of multi-shaft and multi-level rotor structures including cases, mountings and foundation
- 3-dimensional location of subsystems (free orientation of spin axes) - coaxial, or nonaligned, or crossing
- Parametric analysis – time variation of speed, geometry, location, stiffness and damping coefficients, loads, etc
- Numerous stationary and non-stationary external loads
- Super-element approach in modeling of rotor structures
- Modeling and analysis of any kind of gears used in rotating machinery
General Problems of Linear Dynamics & Transient and Non-Linear Dynamics:-
- Damped natural frequencies and mode shapes of rotating systems
- Natural frequencies maps
- Kinetic and Potential energy distribution through rotor model elements for any mode shape.
- Critical speeds
- Critical speed maps
- Unbalance response
- Computation of rotor systems with time depended stiffness and damping matrixes
- Stability maps
Advance features include
- User Interface
- Dynamics R4 model levels
- Dynamics R4 key elements
- Loadings
- The core of Dynamics R4 (linear part)
- The core of Dynamics R4 (linear part)
- Optional algorithms for linear analysis
- Optional elements for non-linear structures modeling
- Postprocessor
Our Principles:
All Mechanical Softwares:
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