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Transmission and Driveline Simulation

Scalability is a central philosophy of AVL's simulation tool chain. The program portfolio offers transmission and entire driveline modeling capabilities on all required levels, matching the needs of diverse applications in component and control development and vehicle integration, from general system behavior to the detailed analysis of losses of single components.

Products & Services


AVL EXCITE™ is an innovative rigid and flexible multi-body dynamics software solution for powertrain analysis. This powertrain development tool calculates the dynamics, durability, vibration and acoustics of combustion engines, transmissions and entire ICE-based or electrified powertrains. The AVL Solution The continuing demand for the improvement of modern powertrain efficiency, along with reduced CO2 emissions and fuel consumption poses great challenges for OEMs. Additionally, balancing these efficiencies with the increased power and torque expected by drivers leads to higher mechanical and thermal loads on powertrain components. This raises the risk of acoustic problems due to higher or additional excitations. EXCITE is a simulation tool that supports the modelling of components, subsystems and complete powertrains with different levels of detail. This is adapted to analysis demands, ensuring an optimum balance between simulation effort and accuracy. High Resolutions, High Flexibility Detailed thermal elasto-hydrodynamic contact models (EHD) for slider bearings, pistons and piston rings, and 3D gear contact models with the real tooth profiles are possible. This enables in-depth investigations with accurate results for durability, friction, wear and acoustics. The best possible computational efficiency is achieved by a strong numerical coupling between structure dynamics and elasto-hydrodynamics. For the analysis of hybrid powertrains and e-drives, various modeling levels are provided. This enables the consideration of torsional and radial electro-mechanical coupling and the excitation of e-motors. Application-specific pre- and post-processing tools and workflows, such as numerical transfer path analysis and airborne noise calculation for acoustic investigations are included. These complement AVL’s solution and enable an efficient and supportive analysis workflow. Further benefits of AVL EXCITE include This predictive simulation software reduces the need for prototyping and helps to avoid expensive troubleshooting Short project lead times due to high computational efficiency and application oriented, automated post-processing Environment to customize result data evaluation and report generation by own developed apps and workflows


AVL BOOST™ is a fully integrated IC engine simulation software. It delivers advanced models enabling accurate prediction of engine performance, tailpipe emissions and acoustics. Engine Performance Can I re-use my collected 1D data from the concept phase for more detailed 3D modelling and vice versa? Can I optimize the transient response considering mechanical inertia and gas dynamic effects (eg. turbolag)? Exhaust Gas Aftertreatment How closely do the simulation results correlate with real world driving emissions (RDE)? Can I calculate individual components as well as the whole exhaust aftertreatment system? Duct Acoustics Can I predict orifice noise and design brandsound? Can I calculate linear acoustic simulation without requiring additional engine data? The Solution AVL BOOST™ provides a comprehensive species transport for a high level of flexibility regarding fuel composition and working gas. This is accomplished with an internal solver for chemical reactions. Coupled with AVL FIRE™ users are able to accurately account for 3D flow and heat transfer effects in pipes, manifolds and combustion chamber. Identical modelling of physics and chemistry in aftertreatment systems empowers engineers, designers and developers to seamlessly switch between 1D and 3D models at any stage of the development phase. The flexible AVL BOOST™ 3D-approach to simulate linear acoustics delivers highly accurate solutions even in high frequency ranges. The Added Value High-level support by AVL engineers located worldwide Software development and advancement driven by AVL powertrain expertise Consistent 1D and 3D aftertreatment simulation in AVL BOOST™, AVL FIRE™ and AVL CRUISE™ Easy integration into third party environments


AVL CRUISETM M is a multi-disciplinary vehicle system simulation tool. It can be used in the office for powertrain concept analysis, sub-system design and virtual component integration. Alternatively it can be put to use in HiL (Hardware-in-the-Loop) environments for control function development and in testbed environments. Powertrain Concept Analysis With AVL CRUISETM M vehicle makers can predict fuel efficiency and performance early in the concept phase. This can even be achieved when little vehicle data is available. It enables the modelling of the driveline, electric network and control strategies, while showing their impact upon energy consumption and emissions. The software’s flexibility allows to switch easily between conventional, hybrid and electric powertrain concepts. Sub-System Analysis By deploying AVL CRUISE™ M you are able to model different physical domains, including thermodynamics, mechanical and chemical systems, flow and electric. This allows for the detailed design layout and optimization of numerous sub-systems, such as: Engine gas exchange and combustion Exhaust gas aftertreatment system Driveline Cooling circuit Electric network Hydraulic and pneumatic networks HVAC systems Control Function Development and Calibration Control unit development and calibration can be front-loaded, starting in the virtual environment. Office models can then be reused in a real-time MiL (Model-in-the-Loop), SiL (Software-in-the-Loop) or HiL environment. Vehicle Simulation on Testbeds One of the key benefits of AVL CRUISETM M is that office models can be used as plant models on engine, powertrain and chassis dyno testbeds. This is perfect for controller validation and component testing. The AVL approach encapsulated in AVL CRUISETM M is applicable over the entire engineering process and works well in combination with third party tools. This enables the integration in your existing development environment, while saving cost and time.