Static and dynamic axial collapse of fibreglass composite thin-walled tubes: finite element modelling of the crush zone

2003 ◽  
Vol 8 (3) ◽  
pp. 247-254 ◽  
Author(s):  
A G Mamalis ◽  
D E Manolakos ◽  
M B Ioannidis ◽  
P K Kostazos ◽  
E C Chirwa
Keyword(s):  
Finite Element ◽  
Finite Element Modelling ◽  
Element Modelling ◽  
Thin Walled ◽  
Crush Zone

Generation of Shakedown Boundaries of Thin-Walled 90-Degree Scheduled Pipe Bends Determined via Large and Small Displacement Finite Element Models

2021 ◽  
Author(s):  
Hany Fayek Abdalla
Keyword(s):  
Finite Element ◽  
Finite Element Modelling ◽  
Large Displacement ◽  
Plastic Work ◽  
Small Displacement ◽  
Finite Element Models ◽  
Element Modelling ◽  
Fe Simulations ◽  
Thin Walled ◽  
Shakedown Limit

Abstract The present research investigates the effect of employing large displacement in finite element modelling on the generated shakedown (SD) boundaries of thin-walled 90-degree scheduled pipe bends. A recently developed methodology termed: Shakedown Limit - Plastic Work Dissipation (SDLimit-PWD) method generates the SD boundaries via employing the large displacement in the FE simulations. Additionally, a well-established direct non-cyclic technique termed: Shakedown Direct Noncyclic Technique (SD_DNT) generates the SD boundaries via employing the small displacement formulation in the FE simulations. Comparing the SD boundaries generated via both methods illustrated marked increase in the generated SD domains due to employing large displacement.

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