Offshore Technology Research Center (OTRC) - Texas, USA
The University of Texas at Austin, USA
Texas A&M University, USA
The research aimed at investigating the structural capacity of underwater steel pipelines against buckling. A nonlinear finite element technique is developed (source code) for the nonlinear analysis of pipe segments under bending, pressure and axial load.
Prof. John L. Tassoulas, The University of Texas at Austin
Spyros A. Karamanos, Graduate Research Assistant
48 months (1988 - 1992)
Figure 1: S-lay barge.
Figure 2: S-lay procedure (1)
Figure 3: S-lay procedure (2)
Figure 4: Riser installation.
Figure 5: pipe buckling under external pressure.
Figure 6: pipe buckling under bending.