The Evaluation of the Stress-strain State for the Cylinder Heads of High-powered Diesel Engines using the Multiphysics ANSYS Technology

Романов, В. А.; Lazarev, E. A.; Khozeniuk, N.

doi:10.1016/j.proeng.2015.12.056

Cited by 6 publications

(2 citation statements)

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“…In [3] and [4] the stress state was investigated taking into account also the residual stresses resulting from the casting process, while in [5] uncoupled Computational Fluid Dynamic (CFD) and Finite Element Method (FEM) simulations were carried in order to obtain the thermal distributions and to assess the strength of the cylinder head. The Fluid Structure Interaction (FSI) between the coolant inside the water IOP Publishing doi:10.1088/1757-899X/1306/1/012024 2 jacket and the heated structural components can have an important impact on the structural reliablity ot the cilinder head [6]. Having a good understanding of the stress state of the engine head allows to faithfully reproduce the load-cycles [7] acting on the structural components.…”

Section: Introductionmentioning

confidence: 99%

Stress mitigation of a thermal engine head block using the bioinspired BGM-FEM method

Groth,

Marra,

Porziani

et al. 2024

IOP Conf. Ser.: Mater. Sci. Eng.

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Structural optimization plays a pivotal role in the design and development of engine heads, as it directly affects the performance, efficiency, and durability of internal combustion engines. In this paper, we propose a novel approach for the thermo-structural optimization of the internal surfaces of the engine heads, using the Biological Growth Method (BGM). The BGM is a bio-inspired technique that mimics the growth patterns observed in some biological organisms, able to achieve superior structural efficiency thus generating optimal designs. The effectiveness of the BGM methodology, coupled with mesh morphing techniques based on Radial Basis Functions (RBF), is in this work demonstrated for several districts, effectively reducing material usage and enhancing structural performance.

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Section: Introductionmentioning

confidence: 99%

Stress mitigation of a thermal engine head block using the bioinspired BGM-FEM method

Groth,

Marra,

Porziani

et al. 2024

IOP Conf. Ser.: Mater. Sci. Eng.

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show abstract

“…The biggest advantage of the FEA is the simplicity of its basic concepts. Users must learn and correctly understand these concepts, since they include certain hypotheses, simplifications, and generalizations [6,7]. To calculate objects, users have to model objects so that they align with real subjects.…”

Section: Introductionmentioning

confidence: 99%

Numerical Analysis of the Forces on the Components of a Direct Diesel Engine

Nguyen¹,

Duy²

2018

Applied Sciences

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This research introduces a method to model the operation of internal combustion engines in order to analyze the forces on the rod, crankshaft, and piston of the test engine. To complete this research, an experiment was conducted to measure the in-cylinder pressure profile. In addition, this research also modelled the friction forces caused by the piston and piston-ring movements inside the cylinder for calculating the net forces experienced by the test engine. The results showed that the net forces change according to the crank angle and reach a maximum value near the top dead center. Consequently, we needed to concentrate on analyzing the stress of the crankshaft, rod, and piston at these positions. The research results are the foundation for optimizing the design of these components and provide a method for extending the operating lifetime of internal combustion engines in real operating experiments.

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Effects of austempering temperature on microstructure and surface residual stress of carbidic austempered ductile iron (CADI) grinding balls

Liu

Xiong

et al. 2018

China Foundry

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The Evaluation of the Stress-strain State for the Cylinder Heads of High-powered Diesel Engines using the Multiphysics ANSYS Technology

Cited by 6 publications

References 0 publications

Stress mitigation of a thermal engine head block using the bioinspired BGM-FEM method

Stress mitigation of a thermal engine head block using the bioinspired BGM-FEM method

Numerical Analysis of the Forces on the Components of a Direct Diesel Engine

Effects of austempering temperature on microstructure and surface residual stress of carbidic austempered ductile iron (CADI) grinding balls

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