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Automotive Engineering

There are many aspects to automotive engineering where there is interest in simulation. A few areas where numerical modeling can help engineers better understand their designs are fuel tank sloshing, underhood thermal management and spray control, early fuel shut-off during fill, degas bottles, fluid resistance of powertrain components, and casting of automotive parts.

FLOW-3D is a comprehensive CFD software that offers solutions to many of the challenges in the automotive industry. FLOW-3D can simulate transient flow dynamics, (both free-surface and confined), thermal energy transfer in fluids and solids, phase change, 6-degree of freedom motion of solids and a coupled finite element solver for mechanically and thermally induced stresses.

Simulation of crankshaft in oil. Results generated by FLOW-3D from Flow Science. Courtesy of MDA SRL.

Shown here is analysis of a cylinder and two valve configuration to a four stroke engine. The animation shows velocity patterns (left) pressures right. The graphs represent a time history of the z-coordinate (elevation, top graph) and the pressure oscillations (bottom graph). Two complete cycles represent the total process of a four stroke cycle. Modeling courtesy of XC Engineering, post-processed with EnSight®.


Related links:

Free surface flows

General Moving Objects model

Fluid Structure Interaction

Metal Casting

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