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Vehicle fatigue damage caused by road irregularities

Författare och institution:
Klas Bogsjö (-); Igor Rychlik (Institutionen för matematiska vetenskaper, matematisk statistik, Chalmers/GU)
Publicerad i:
Fatigue & Fracture of Engineering Materials & Structures, 32 ( 5 ) s. 391-402
ISSN:
8756-758X
E-ISSN:
1460-2695
Publikationstyp:
Artikel, refereegranskad vetenskaplig
Publiceringsår:
2009
Språk:
engelska
Sammanfattning (abstract):
Road roughness causes fatigue-inducing loads in travelling vehicles. Road sections with a high degree of roughness are of special interest because these have a significant impact on vehicle's fatigue life. This study is focused on the statistical description and analysis of vehicle damage caused by irregularities. Standard statistical analysis tools are not straightforwardly applicable because of the non-stationary property of the irregularities. However, it is found that the road irregularities' influence on vehicles can be accurately described using a 'local' narrow-band approximation of the fatigue damage intensity. © 2009 Blackwell Publishing.
Ämne (baseras på Högskoleverkets indelning av forskningsämnen):
NATURVETENSKAP ->
Matematik ->
Beräkningsmatematik ->
Tillämpad matematik
NATURVETENSKAP ->
Matematik ->
Sannolikhetsteori och statistik ->
Matematisk statistik
Nyckelord:
Damage intensity; Rainflow damage; Road irregularities; Vehicle fatigue
Postens nummer:
106675
Posten skapad:
2010-01-12 15:03
Posten ändrad:
2016-07-25 09:20

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