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GT-POWER: The Most Advanced Engine Simulation Software on the Market - Try It for Free



GT-POWER is the industry standard engine performance simulation, used by all major engine manufacturers and vehicle OEMs. GT-POWER is used to predict engine performance quantities such as power, torque, airflow, volumetric efficiency, fuel consumption, turbocharger performance and matching, and pumping losses, to name just a few.




gt-power engine simulation software free download



GT-POWER is licensed as an all-inclusive package containing many advanced modeling features not found in other engine simulations. A full FE solver for in-cylinder temperature and heat flux distribution, as well as complete, fully flexible, detailed in-cylinder chemical kinetics solvers are just two of the many advanced modeling capabilities included with GT-POWER at no extra cost.Advanced FeaturesHighly accurate, fully predictive, multi-pulse diesel combustion modelTumble sensitive, turbulent SI combustion modelComplete chemical kinetics solvers for in-cylinder combustion modelingVehicle model for integrated engine/vehicle simulationsCan co-simulate directly with Simulink, Converge, GT-CONVERGE, STAR, Fluent and other codesCharacterize component pressure drop and heat transfer with GT-CONVERGE, tailored to non 3D-CFD expertsInput variables may be specified as a map or functional dependencyFlexibility to study any valving concept, infinitely variable VVT and VVL, as well as cylinder deactivation conceptsFinite element solution of cylinder structural temperatures, useful for part load and dynamic operationAdvanced turbocharger features, such as overblown compressor modeling, surge prediction, reverse flow in turbines, pressure wave supercharging, advanced twin-scroll modeling, heat transfer in turbos and morePort injection wall wettingCapable of Real-Time executionPlug-and-Play Engine Controllers: No need to calibrate. Exclusive to GT-SUITE. Examples include: Throttle Controller, Fuel Controller, EGR Controller, Wastegate Controller, Variable Geometry Turbine ControllerContact us for more information about our products and services.Reach out today!


The GT-SUITE simulation consists of a set of simulation modeling libraries - tools for analyzing engine breathing, combustion, and acoustics, vehicle powertrains, engine cooling systems, engine fuel injection systems, valvetrains, crankshafts, and lubrication systems. The code can be used to investigate a wide range of issues, such as component design, vehicle emissions, and system interaction. Each simulation consists of a library of component models that you can add to an existing model and edit using a point-and-click interface. Each of the modeling areas mentioned above can be modeled in isolation or as a single, integrated system using GT-SUITE's unique model building architecture.


  • Main features of program DIESEL-RK are similar to knownprograms: WAVE (Ricardo Software), GT-Power(Gamma Technologies) and BOOST (AVL). However, together with conventional abilities, theprogram DIESEL-RK has new advanced features: RK-model : is a multi-zone diesel fuel spray mixture formation and combustion model.

  • Fuel Spray Visualization tool (easy flat and advanced 3D).

  • Multiparametric and multidimensional optimization of engines parameters. A target function including NOx, Soot and SFC simultaneously may be calculated as inside DIESEL-RK, as with User Defined procedure being done as DLL and linked with DIESEL-RK kernel.

  • 1D and 2D parametrical researches procedures.

  • Detail Kinetic Mechanism of NO formation (199 reactions, 33 species) is implemented for PCCI, multiply injection and high EGR analysis. (Zeldovich mechanism does not work correctly at large EGR and multiple injection. One shows too small emission in comparison with experimental data.)

  • DIESEL-RK support simulation of water injection and account H2O condensation and evaporation in intake manifold, port and cylinder.

  • RK-model simulates mixtureformation and combustion taking into account: Piston Bowl Shape: any geometrical shapes can be specified and saved into the piston bowl data base which already includes the most common geometries;

  • Different Swirl Profiles and swirl intensity;

  • Sprayer Location: central, non-central, side injection, few sprayers;

  • Number, Diameter and Direction of sprayer nozzles (each sprayer may have nozzles with different diameters and arbitrary orientation);

  • Fuel Properties, including bio-fuels and blends of bio-fuels with diesel oil (data base of fuels is supported);

  • Shape of injection profile including multiple injection and PCCI; Optimization of injection profile flanks shape; Optimization of Multiple Injection Strategy;

  • Detail Chemistry is calculated at the Ignition Delay prediction for PCCI with diesel fuel and biofuel. RK-model accounts a CR high pressure effect on Ignition Delay;

  • Low Temperature Combustion is modeled at PCCI and HCCI;

  • Interaction of the Sprays with Walls and with other Neighboring Sprays (as on wall, as in volume);

  • Local Temperature of the wall in the region of impingement the sprays with a wall.

The RK-model has a capability to optimize the piston bowl shape and fuel injection system parameters (sprays directions, diameter and number of nozzles) as well as to develop multiple injection strategy and the Common Rail controlling algorithm over the whole operating range.


The DIESEL-RK includes "Fuel Spray Visualization" code. This code allows engineers to present in the animation picture format the results of modeling of interaction of the fuel spray with combustion chamber walls, air swirl and with neighboring sprays. The code assists in choosing the best shape of the piston bowl and select the diameter, the number and the directions of injector nozzles for a given injection duration and swirl intensity. Results of simulation can be saved as Windows graphic files, AVI or animated GIF files. Visualization is possible as flat picture, as in 3D. 3D visualization of sprays evolution in cylinder of two-stroke low speed large marine diesel engine


3D tool allows analyze spatial evolution as of all sprays, as of one or few sprays. Visualization tool has capabilities to mark each characteristic zone of every spray by specific bullets to observe the volumes where sprays impinge walls and disturb each other in volume or near the wall. The combustion model accounts effect of these zones on Heat Release Rate. The real shape of piston bowl and cylinder cover is accounted at simulation and visualization. This function is very important for optimization of combustion in large marine two-stroke diesel engines with side injection system.


A User Defined Model may be used for ignition delay prediction. There is ability to link User Model DLL with DIESEL-RK SAE Pap. No. 2010-01-1960 Simulation of engines with few Fuel Injection systems DIESEL-RK supports simulation of an engine having up to 5 independent fuel injection systems (marked as A, B, C, D, E). Every system may have own configuration with own number of injectors, mounted in different places of the cylinder. Each injector may have few nozzles with individual orientation in both planes and different diameters. Each fuel system may have own cycle fuel mass and own injection profile. So the Sequential Injection Profiles are supported at Heat Release simulation and NOx simulation.


Dual Fuel Engine Simulation DIESEL-RK supports simulation of an engine having up to 5 independent fuel injection systems. One of the system may assigned as Pilot Diesel Injection System; and another as Main Alternative Fuel Injection System.See details >>.


Water Injection DIESEL-RK supports simulation of an engine having up to 5 independent fuel injection systems. One of the system may assigned as Water Injection System (system D in the picture). There is possibility to select place of H2O injection, cycle mass, timing and duration of water injection. DIESEL-RK will simulate condensation and evaporation of the water in all engine's gas flow path including cooler, manifold, ports and cylinder. Effect of water injection is accounted in NOx formation model which uses Detail Kinetic Mechanism. In the output data the mass fractions of liquid water and water steam are presented as diagrams vs CA and as integral parameters.


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Coupled simulation of the mixture formation and combustion and prediction of the thermal state of engine components. Fuel evaporation and combustion as well as heat losses to the walls are calculated using local wall temperatures obtained with the use of Finite Element Model of main engine parts. Boundary conditions depend on the cooling system design and piston ring assembly.


In the local version of the software the User Defined Models may be implemented for:- Friction losses simulation;- Ignition Delay simulation;- Forming and calculation of a Target Function for optimization Complex of emission (NOx, Soot or PM and SFC).


To make the DIESEL-RK be accessible to users, the remoteaccess via INTERNET is provided. For remote accessto the program it is enough to download file withSETUP.EXE and to install client software on local computer.


August 2013/ -- Software Cradle is partnering with Gamma Technologies, Inc. (GTI). This partnership will enable Software Cradle to develop a linkage between GT-Power and SC/Tetra that provides a dynamically varying boundary condition calculated in GT-Power with a transient 3D CFD analyses performed in SC/Tetra. One potential application is a 3D SC/Tetra intake or exhaust manifold model with dynamic inlet and outlet boundary conditions interfaced to GT-Power where a transient system-level simulation of the engine is performed. This dynamic link will enable more accurate prediction of both system and component level performance, bringing more innovation and productivity to powertrain engineers.


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