Micromechanical modeling of short crack nucleation and growth in high cycle fatigue of martensitic microstructures
High cycle fatigue (HCF) is a frequently limiting failure mechanism of machine elements and
modern high strength steels. Present day design rules rely on semi-empirical methods …
modern high strength steels. Present day design rules rely on semi-empirical methods …
[HTML][HTML] Stochastic continuum approach to high-cycle fatigue: Modelling stress history as a stochastic process
In this article, the continuum-based high-cycle fatigue analysis method, introduced by
Ottosen, Stenström and Ristinmaa in 2008, is extended to cases where the stress history is a …
Ottosen, Stenström and Ristinmaa in 2008, is extended to cases where the stress history is a …
Prediction of contact condition and surface damage by simulating variable friction coefficient and wear
A simulation method to predict the reliability of clamped metal contacts under cyclic loading
is presented. The main idea is to predict the development of contact condition of a joint by …
is presented. The main idea is to predict the development of contact condition of a joint by …
Introduction to JuliaFEM, an open source FEM solver
This article briefly describes a new programming language Julia and a new innovative Finite
Element Method (FEM) solver JuliaFEM. We selected an easy to understand example of a …
Element Method (FEM) solver JuliaFEM. We selected an easy to understand example of a …
Feasibility and optimization of a bush-cut aluminium bronze big end bearing: a simulation-based study
S Kreivi, T Kuivaniemi, A Mäntylä… - Rakenteiden …, 2023 - rakenteidenmekaniikka.journal.fi
The big end bearing of a connecting rod is one of the most highly loaded bearings in marine
engines. This paper presents a feasibility study and optimization of the geometrical …
engines. This paper presents a feasibility study and optimization of the geometrical …
Validation of Simulated Mechanical Vibration Data for Operational State Recognition System
J Junttila, A Sillanpää, V Lämsä - 2022 IEEE 23rd International …, 2022 - ieeexplore.ieee.org
Accurate real-time models for estimating the current state of an engine-generator set
(genset) can be built based on measured mechanical vibration data. There is typically a …
(genset) can be built based on measured mechanical vibration data. There is typically a …
Numerical simulation of laser welded joints: modern fatigue analysis methodology
RM Kokko, J Vaara… - Rakenteiden …, 2020 - rakenteidenmekaniikka.journal.fi
Welding always induces discontinuities and imperfections in the structure that allows for
potential fatigue cracks. Welding effects thermal strains, which yield to residual stresses of …
potential fatigue cracks. Welding effects thermal strains, which yield to residual stresses of …
Simulation-driven development of combustion engines: theory and examples
This paper describes the simulation-driven design process used in engines technology. The
research question is “how to use research in the structural analysis and dynamics field to …
research question is “how to use research in the structural analysis and dynamics field to …
[PDF][PDF] Impact-induced leaking of fuel line
AJ Vuotikka, R Kokko, M Rönnberg, Y **ao… - MECHANICS …, 2024 - researchgate.net
Impact loads are encountered in many different types of mechanical equipment. One notable
application is the four-stroke medium-speed engine [1], which has a wide variety of motions …
application is the four-stroke medium-speed engine [1], which has a wide variety of motions …
[PDF][PDF] Transient thermal stress FE-analysis method development
S Kreivi, J Kemppainen, T Kuivaniemi… - MECHANICS …, 2024 - researchgate.net
This research paper investigates the recently discovered challenges associated with
thermomechanically loaded components in four-stroke medium-speed engines, focusing …
thermomechanically loaded components in four-stroke medium-speed engines, focusing …