Download PDF by Marco Chiodi: An innovative 3D-CFD-Approach towards Virtual Development of
By Marco Chiodi
Within the engine improvement approach, simulation and predictive courses have consistently received in reliance. as a result complexity of destiny inner combustion engines the functions of simulations courses in the direction of a competent "virtual engine improvement" is a necessity that represents one of many maximum demanding situations. Marco Chiodi offers an leading edge 3D-CFD-tool, solely committed and optimized for the simulation of inner combustion engines. because of better or newly built 3D-CFD-models for the outline of engine approaches, this device guarantees an effective and trustworthy calculation additionally by utilizing path 3D-CFD-meshes. in response to this process the CPU-time should be lowered as much as an element a hundred compared to conventional 3D-CFD simulations. moreover an built-in and automated "evaluation software" establishes a complete research of the suitable engine parameters. as a result of potential of a competent "virtual improvement" of full-engines, this quickly reaction 3D-CFD-tool makes an immense contribution to the engine improvement approach.
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Extra resources for An innovative 3D-CFD-Approach towards Virtual Development of Internal Combustion Engines
But on the other hand the value of calculation and simulation in the development process of combustion engines is increasing continuously. 3: Hypothetical integration map towards fully virtual engine development. 2 Today’s Repartition of the Resources in Engine Development 17 The future definitely lies within the continued development of existing tools, the development of complementing tools and an intelligent coupling of them, so that the computational support in engine development can become more relevant.
4) clearly reveals that the investments for test stand activities are predominant. g. engine endurance run tests) still have a very high proportion of the total resources . Accordingly, experimental “mechanical” verifications for ensuring the durability of the engine during the programmed life, despite the intense use of FEM and MBS simulations, are still extensive and very expensive. g. recall campaigns). Even worse, long-term loss of product and company image has to be taken into account.
Is to find the point of view from which the subject appears in its greatest simplicity . W. Gibbs The processes occurring in the working fluid of an internal combustion engine are numerous and very complex. Therefore an accurate numerical modeling of the processes is required. For this task, two basic approaches have been developed. As mentioned before in introducing the simulation tools these can be mainly categorized as thermodynamic or fluid dynamic in nature, depending on whether the implemented equations are based only on energy conservation (zerodimensional) or on a full analysis of the fluid motion (multi-dimensional) [5,7,10,12].
An innovative 3D-CFD-Approach towards Virtual Development of Internal Combustion Engines by Marco Chiodi