Simulation and Modeling in Power Transmission
The SimulationX domain Power Transmission provides an extensive collection of libraries. These libraries support the efficient modeling and analysis of mechanical powertrains as well as the simulation-based design of controlled drive systems. All models can be parameterized in a user-friendly manner by values available from product data sheets and design parameters. Alternatively, the internally used approaches can be substituted by the user with detailed information. In combination with animation bodies (libraryAnimation Bodies) animated three-dimensional visualizations are created easily and quickly.
SimulationX Power Transmission Libraries
Motors and Engines
The library Motors and Engines includes various basic models of motors and engines, which are based on characteristics. These models can be used in wide range of applications in the automotive or mechanical engineering. All model types consider the drive inertia internally and allow connecting bearing structures. All models compute non-uniformities exciting the powertrain.
The Actuating Elements library includes elements for physical gear shift simulations of manual or automated gearboxes. It provides the elementsGear Selection and Detent Mechanism.
The library Drive Accessory contains elements that simplify the modeling of drivetrains. For the modeling and analysis of mount torques, which act on the housing of rotary mass systems (engines, gearboxes, or differentials), the element Mount can be used. The element Shaft Segment can be used for efficient modeling of shafts.
Couplings and Clutches
The library Couplings and Clutches contains a multitude of model types to represent machine parts for the transmission of torques. The fast application of these powertrain components is ensured by preset default values. The multifaceted possibilities of parameterization, taking into account non-linearities, allow the precise selection of model properties (such as stiffness, damping, hysteresis) very quickly.
The Transmission Elements library is considering much more than just one rotational degree of freedom, as it is known from the traditional torsional vibration analysis. Shaft and bearing properties (stiffness, damping, preload, …) can be considered by connecting further elements to the respective degrees of freedom.
The library Planetary Gears contains model types for creating structures of helical planetary gears. The combination of these structures with the masses and the inertias of the gearbox components give the possibility to model all types of planetary gearboxes.
The Synchronizers library contains model types, which enable the user to model synchronization systems or dog clutch shift systems, as used in manual gearboxes or AMTs.
Combustion Engines I
Within the library Combustion Engines I SimulationX provides many element types for modeling combustion engines. These combustion engine structures can be used as components in powertrain models or for the analysis of combustion engines itself. The library includes model types to represent the excitation in engines (Fourier coefficients, cylinder pressures or excitation torques, engine map), rigid or elastic inline cylinders or V-cylinder pairs, and several complete engine models (Diesel or gasoline engines, 2-stroke or 4-stroke).
Combustion Engines II
The library Combustion Engines II contains element types for the dynamic computation of the combustion in the cylinders. Furthermore, the library includes an element, which can be used for the controlling of the engine. The purchase of the library Combustion Engines II includes all element types of the library Combustion Engines I. The element of both libraries can be combined arbitrarily in user models.