Thermo-Mechanical Fatigue Study of Gasoline Engine Exhaust Manifold Based on Weak Coupling of CFD and FE

Paper #:
  • 2016-01-2350

Published:
  • 2016-10-17
DOI:
  • 10.4271/2016-01-2350
Citation:
Liu, Z., Chen, J., and Xiao, S., "Thermo-Mechanical Fatigue Study of Gasoline Engine Exhaust Manifold Based on Weak Coupling of CFD and FE," SAE Technical Paper 2016-01-2350, 2016, doi:10.4271/2016-01-2350.
Pages:
5
Abstract:
This paper combines fluid software STAR-CCM+ and finite element software ABAQUS to solve the temperature field of this Gasoline engine exhaust manifold based on loose coupling method. Through the simulation of car parking cooling - full load condition at full speed, we estimate thermal fatigue life of the exhaust manifold with the plastic strain increment as the evaluation parameters. It can guide the direction of optimal design of the exhaust manifold. Here we also revealed how the bolt force affects the manifold elastic and plastic behavior.
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