Predictive analysis system of the engine performance, predictive analysis and prediction program analysis method

摘要

PPROBLEM TO BE SOLVED: To provide a predictive analysis system or the like capable of efficiently providing a new and optimal intake and exhaust configuration. PSOLUTION: The predictive analysis system 2 for analyzing the flow of engine intake and exhaust by means of a CFD analysis program 18 and predicting engine performance has: a means 10 for generating a one-dimensional CFD analysis model; a means for setting a model configuration about at least an intake pipe and/or an exhaust pipe and restrictions on changes to data values; a means 14 for varying the model configuration and the data values within the restrictions; a means for calculating the engine performance by means of the CFD analysis program 18 for the CFD analysis model after changes; a means 16 for repeatedly changing the CFD analysis model and calculating the engine performance; and a means 16 for selecting, out of a plurality of changed CFD analysis models, the CFD analysis model obtained by calculating the optimal engine performance meeting predetermined criteria. PCOPYRIGHT: (C)2007,JPO&INPIT