![]() ![]() Using the simulation result, designs can be optimized for fuel economy, power, and emissions without collecting extensive experimental data. Engine simulation allows designers to predict performance gains resulting from changes in engine geometries or control strategies. Among many areas that have benefitted from numerical simulation, engine and drivetrain simulation has received a great deal of attention. Simulation-based system design, optimization, and controller development have been an integral part of automotive research. Then, the gas dynamics model is validated with commercial engine simulation software by conducting a simple 1D flow simulation. In this Part 1 of series papers, a comprehensive gas dynamics model is presented and integrated in the engine modeling framework based on MATLAB/Simulink. Each component block, derived from physical laws, interacts with other blocks according to block connection. The framework allows engine component blocks to be connected in a physically representative manner in the Simulink environment, reducing model build time. To leverage MATLAB/Simulink’s capabilities, a Simulink-based 1D flow engine modeling framework has been developed. Among the simulation software packages currently available, MATLAB/Simulink is widely used for automotive system simulations, but does not contain a comprehensive engine modeling toolbox. With advancements in computer-aided design, simulation of internal combustion engines has become a vital tool for product development and design innovation. ![]()
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