This study presents the design and stress analysis of a composite tubular that can be coiled onto large spools for ease of storage and installation on offshore platforms. The tube is analyzed under working pressure and tensile loads, as well as bending moments due to coiling using MARC commercial finite element code. The geometry and material properties of the finite element models are axisymmetric. Loads are axisymmetric as well, with the exception to the bending analysis, where boundary conditions are defined in terms of a Fourier series. The models are defined, verified, and analyzed, then it is determined that the current design is suitable to withstand the working loads with only minimal matrix cracking and a minimum bending radius is suggested for storage of the tubular. Potential geometry and material changes are recommended, as well as additional analysis techniques, in order to improve the design.
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