Fatigue evaluation of bus welded joints under realistic loading: a dual-criterion approach

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23210%2F25%3A43975956" target="_blank" >RIV/49777513:23210/25:43975956 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.1016/j.pes.2025.100095" target="_blank" >https://doi.org/10.1016/j.pes.2025.100095</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.pes.2025.100095" target="_blank" >10.1016/j.pes.2025.100095</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Fatigue evaluation of bus welded joints under realistic loading: a dual-criterion approach

Popis výsledku v původním jazyce

Fatigue failures in vehicles and their structural parts due to random loading represent a major concern in product development, particularly during the design phase. In this context, the aim of the present study is twofold. First, it seeks to optimise the fatigue life of a specific case study - namely, a welded joint in the thin-walled profiles of a bus bodywork - by evaluating three different geometric variants of the joint. This optimisation is carried out using a time-domain random fatigue criterion. The analysis begins with experimental service stress-time histories recorded at the critical location of the bus bodywork, corresponding to two distinct travelled road types and two loading conditions. These data are used in the time-domain fatigue analysis to identify the most suitable welded joint variant capable of meeting the required service fatigue life. Once the optimal joint configuration – identified as variant 1 - is selected, both time-domain and frequency-domain fatigue criteria are applied to predict the fatigue life. This second phase considers four additional service stress-time histories obtained from two specialtesting tracks, under both empty and fully bus loading conditions, in order to evaluate the consistency and reliability of the two fatigue assessment approaches.

Název v anglickém jazyce

Fatigue evaluation of bus welded joints under realistic loading: a dual-criterion approach

Popis výsledku anglicky

Fatigue failures in vehicles and their structural parts due to random loading represent a major concern in product development, particularly during the design phase. In this context, the aim of the present study is twofold. First, it seeks to optimise the fatigue life of a specific case study - namely, a welded joint in the thin-walled profiles of a bus bodywork - by evaluating three different geometric variants of the joint. This optimisation is carried out using a time-domain random fatigue criterion. The analysis begins with experimental service stress-time histories recorded at the critical location of the bus bodywork, corresponding to two distinct travelled road types and two loading conditions. These data are used in the time-domain fatigue analysis to identify the most suitable welded joint variant capable of meeting the required service fatigue life. Once the optimal joint configuration – identified as variant 1 - is selected, both time-domain and frequency-domain fatigue criteria are applied to predict the fatigue life. This second phase considers four additional service stress-time histories obtained from two specialtesting tracks, under both empty and fully bus loading conditions, in order to evaluate the consistency and reliability of the two fatigue assessment approaches.

Druh

J_SC - Článek v periodiku v databázi SCOPUS

CEP obor

—

OECD FORD obor

20301 - Mechanical engineering

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2025

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Progress in Engineering Science

ISSN

2950-4252

e-ISSN

2950-4252

Svazek periodika

2

Číslo periodika v rámci svazku

3

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

7

Strana od-do

nestránkováno

Kód UT WoS článku

—

EID výsledku v databázi Scopus

2-s2.0-105009341519