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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 a software for the simulation of rigid and flexible multi-body dynamics of powertrains. It is a specialized tool that calculates the dynamics, strength, vibration and acoustics of combustion engines, transmissions and conventional or electrified powertrains. Strength and durability How can I reduce the weight of my powertrain without exceeding the limits of component strength and durability? Is it possible to start with simplified models (rigid MBD) and progress to detailed models (flexible MBD)? Lubricated sliding contact analysis Can I include all relevant physical properties of materials and lubricants to optimize the performance of bearings, pistons and piston rings? Does the simulation include support for the investigation of wear or failure? How to derive accurate friction data to support engine and powertrain efficiency enhancement? Noise, vibration and harshness (NVH) How can I determine dominant noise sources and derive measures to improve the acoustic behaviour? Can the interaction between sub-systems (engine, transmission, driveline) be taken into account? How to calculate airborne noise to compare with measurements? AVL Solution AVL EXCITE™ is used by OEMs and tier 1s to improve product performance, reliability and safety. The use of various model depth levels ensures an optimum balance between modeling, simulation effort and accuracy from concept via layout to the final design phase. This includes detailed elasto-hydrodynamic contact models for all slider and thrust bearings in the cranktrain and the piston/piston ring-liner contact. AVL EXCITE™ allows a significant reduction in development time and costs to be achieved with the support of powertrain analysis specific workflows, automated model generation and result evaluation capabilities. Seamless integration in the customer’s CAE environment is supported via 3rd party software interfaces and an API and user-definable template models, result reports and workflow descriptions enable to customize the usage of the software. The Added Value One simulation environment for all phases of the engine development process and for all structural dynamics related analysis tasks Shaped by AVL's 60+ years of leadership in engine and powertrain engineering consultancy Dedicated user support and guidance teams around the world with AVL engineers who are highly experienced in engine analysis


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.