An offloading hose is a complex structure, mainly composed of rubber, cords and steel coil,
which is used worldwide for oil production and transport systems such as offloading …

Unbonded flexible risers consist of several helical and cylindrical layers, which can undergo
large bending deformation and can be installed in different configurations to adapt to harsh …

In the present paper, a mathematical model which is capable of representing the physics of
lateral buckling failure in the tensile armour layers of flexible pipes is introduced. Flexible …

Flexible pipes play an important role in the transportation of oil and gas from the seabed to
floating production units. They are also employed to inject water or gas into offshore wells. In …

Owing to nonlinear contact problems with slip and friction, a lot of limiting assumptions are
made when developing analytical models to simulate the behavior of an unbonded flexible …

The principal objective of this investigation is to develop a constitutive model to simulate the
hysteresis behaviour of unbonded flexible risers. A new constitutive model for flexible risers …

The local mechanical response of a 2.5" unbonded flexible riser with damaged wires is
studied by a nonlinear finite element (FE) model. Firstly, the riser was supposed to be under …

In this paper a new framework for FE simulation of reeling operations that utilizes a
Lagrangian–Eulerian description of the beam kinematics is proposed. In contrast to the …

Structural damping induced by material viscoelasticity in flexible risers may generate a non-
ignorable effect on the global dynamic analyses. This paper presents an analytical model in …

The purpose of this paper is to model the detailed effects of interactions that take place
between components of un-bonded flexible risers, and to study the three-dimensional …