Simulation Of A Small-scale Steady State Test
Author(s)
P.E. O'Donoghue & Z. Zhuang
Abstract
This paper describes the use of the finite element method to simulate
the Small-Scale Steady State (S4) test for the dynamic crack propagation in
a gas pipeline. In this test, a containment cage is placed outside the pipe
to limit the deformation. A moving boundary condition model to simulate
the pipe wall contact with the containment cage behind the crack tip has
been developed. Using the results obtained from these calculations, we can
examine the S4 test and determine dynamic fracture resistance of material.
This in turn can be used to predict the critical pressure in a full-scale pipe.
Results of this type will be of considerable practical importance to the gas
industry.
1. Introduction.
Of critical importance in dynamic fracture mechanics is the calculation
the crack driving force, G, for
Keywords
Related Book
Other papers in this volume
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