3 WELD MODELLING TECHNIQUES 18 Weld modelling using oblique shell elements 18 Weld modelling using rigid links 19 Weld modelling using increased thickness 20 Weld ends modelling 21 Weld modelling using solid elements 22 4 APPLICATION OF THE FATIGUE ASSESSMENT METHODS 24Missing: femfat. •Weld seam line assessment for approval according to guidelines is manual exercise and time consuming. •Weld seam lines in FEM have multiple representation (see next slides) •The variation in modelling lead to differences in displacements, stress and •FEMFAT weld has taken this challenge with a compromise to build up a database for. FEMFAT WELD Modeling Guideline Normal.
Ensure that the predefined SID ranges are used (see FEMFAT weld manual). Now the small, detailed model displayed in VISUALIZER as a visual feedback must be entered in the database as a polygon and the image stored in *.gif format. This image must be added to the "weld_images" folder, which is located in turn in the WELD database folder. Interface ANSYS - FEMFAT Date: D R A F T Author: tbd *.rst*. FEMFAT cdb Nodes Elements PODs Groups *.rst, *.lis *.mcf Stresses, temperatures, *. cf MBS s urement ctra REPORT Material Database fatigue data cyclic hardening Haigh-Diagrams S/N-curve FEMFAT visualizer Damage Safety Factors Fatigue Life, WELD-Database acc. Guideline notch factors. FEMFAT LAB analyzes time histories with millions of data points and hundreds of channels within seconds. Anomalies like drift, mean shift, spikes can be removed automatically or manually. Using the "project philosophy" of FEMFAT LAB time can be saved, because same operations for several files are carried out automatically without any user input.
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