Piping Flexibility Analysis

piping flexibility study calculates the reaction loads and stresses resulting from gravity, internal and external pressure, temperature fluctuations and flow induced loads. The objectives of flexibility analysis are to calculate stress in the pipe; loads on supports, restraints, and equipment; and displacement of the pipe. It is essentially a beam analysis model on pipe centerlines. The fundamental principles include the following:

1. The analysis is based on nominal dimensions of the pipe.
2. The effect of components such as elbows and tees on piping flexibility and stress is considered by inclusion of flexibility factors and stress intensification factors.
3. For thermal stresses, only moment and torsion are typically included.

In addition, Petroplat offers below services in relation to flexibility study:

(I) Piping Flexibility analysis according to ASME B31.1/B31.3 / EN 13480

(II) Supports design (type and position)

(III) Buried pipes

(IV) Check of allowable loads on nozzles (pumps, static equipment, etc.) as per WRC-107

(V) Dynamic analysis (Modal, Harmonic)