Fatigue Life Prediction using Forces in Welded Plates of Moderate Thickness

Document type: Miscellaneous
Full text:
Author(s): Pär Fransson, Gert Pettersson
Title: Fatigue Life Prediction using Forces in Welded Plates of Moderate Thickness
Type of publication: Master Thesis
Year: 2000
ISBN: ISRN: HK/R-IMA-EX--2000/D-02--SE
Organization: Blekinge Institute of Technology
Department: Dept. of Mechanical Engineering (Institutionen för maskinteknik)
Dept. of Mechanical Engineering S-371 79 Karlskrona
+46 455 780 00
http://www.ima.bth.se/
Language: English
Abstract: A new finite element based method for fatigue life prediction has been examined. The method uses nodal forces and moments along the weld toe to define a structural stress perpendicular to the weld. The method was found to be less mesh-sensitive than ordinarie post-processing.
Subject: Mechanical Engineering\Structural Mechanics
Mechanical Engineering\Structural Dynamics
Keywords: Fatigue Life Prediction, Fillet Weld, Weld toe, Finite Element Method, Shell elements, Nominal Stress, Structural Stress.
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