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Johan, Zdeněk; Moraes, Augusto C. M.; Buell, Jeffrey C.; Ferencz, Robert M.

In-cylinder cold flow simulation using a finite element method. (English) Zbl 0987.76052

Comput. Methods Appl. Mech. Eng. 190, No. 24-25, 3069-3080 (2001).
Summary: This paper presents a numerical strategy based on finite element method for solving unsteady flows without combustion inside an operating engine cylinder. A compressible flow solver that can withstand highly distorted elements is presented. A robust mesh deformation procedure capable of handling the large valve and piston motions and deforming the unstructured mesh accordingly is then described. Turbulence is added through a one-equation model. We apply the proposed strategy to a three-dimensional realistic problem, and present results for exhaust, intake and compression strokes of cylinder operation.

Cited in 1 Document

MSC:

76M10 Finite element methods applied to problems in fluid mechanics
76N15 Gas dynamics (general theory)
76F50 Compressibility effects in turbulence

Keywords:

finite element method; unsteady flows; operating engine cylinder; compressible flow solver; highly distorted elements

Software:

Spalart-Allmaras
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Full Text: DOI

References:

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