MONOLITHICALLY-COUPLED FINITE ELEMENT ANALYSIS USING IMPLICIT INTEGRATION SCHEME FOR A PARTIALLY SATURATED POROUS MEDIUM

2015 ◽  
Vol 18 (1) ◽  
pp. 29-41
Author(s):  
Jaejun Lee ◽  
Jaehong Kim
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Porous Medium ◽  
Saturated Porous Medium ◽  
Integration Scheme ◽  
Implicit Integration ◽  
Element Analysis ◽  
Partially Saturated

A Finite Element Analysis for Unbonded Flexible Risers Under Torsion

2007 ◽  
Author(s):  
A. Bahtui ◽  
H. Bahai ◽  
G. Alfano
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Numerical Model ◽  
Finite Element Model ◽  
Time Integration ◽  
Element Model ◽  
Integration Scheme ◽  
Element Analysis ◽  
Benchmark Solutions ◽  
The Finite Element Model

This paper presents a detailed finite element analysis of a five-layer unbonded flexible riser. The numerical results are compared analytical solutions for various load cases. In the finite element model all layers are modelled separately with contact interfaces placed between each layer. The finite element model includes the main features of the riser geometry with very little simplifying assumptions made. The numerical model was solved using a fully explicit time-integration scheme implemented in a parallel environment on a 16-processor cluster. The very good agreement found from numerical and analytical comparisons validates the use of our numerical model to provide benchmark solutions against which further detailed investigation will be made.

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