The primary focus of this course is to learn and apply the built-in capabilities of the AutoPIPE package to productively model and analyse piping systems. During the course, attendees model real piping systems using AutoPIPE. These examples cover most commonly used piping components in the field and are thus exposed to modelling them in AutoPIPE.
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Typical vessel/nozzle configuration showing the pressure thrust acting the nozzle and interconnecting pipework. Figure 1 Where: P = Internal design or operating pressure of the vessel and piping.
A = Inside pipe area of the nozzle. The pressure thrust of concern is P.A acting on the “upstream” elbow in a outward radial direction from the vessel nozzle. The balancing force (P.A) acts on the vessel wall opposite to the nozzle as shown in Figure 1. It is assumed this P.A acting on the vessel is resisted by the vessel support and not considered in this load evaluation.
The load on the vessel-nozzle junction will be a function of the stiffness between the vessel anchor and load (including any nozzle flexibilities) (i.e. K1(x), Spring 1), and the stiffness of the system (acting in the X direction) upstream of the thrust load (i.e. K2(x), Spring 2) as shown in figure 2 below.