By Eduardo N Dvorkin, Rita G. Toscano
This ebook offers an in depth dialogue of the versions that have been constructed to simulate the cave in and post-collapse habit of metal pipes.
The finite aspect process deals to engineers the potential for constructing types to simulate the cave in habit of casings within oil wells and the cave in habit of deepwater pipelines. even if, if technological judgements are going to be reached from those version effects, with implications for the commercial good fortune of business operations, for the occupational defense and wellbeing and fitness and for the surroundings, the engineering types must be hugely trustworthy. utilizing those types engineers can quantify the impact of producing tolerances, put on, corrosion, and so forth. This ebook describes in nice info the experimental courses which are built to validate the numerical effects.
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Additional info for Finite Element Analysis of the Collapse and Post-Collapse Behavior of Steel Pipes: Applications to the Oil Industry
Sample text
Report for the API PRAC Project N8 80–30 25. Tamano T, Mimaki T, Yaganimoto S (1983) A new empirical formula for collapse resistance of commercial casing. In: ASME, proceeding 2nd international offshore mechanics and Arctic engineering symposium, Houston, pp 489–495 Chapter 4 Experimental Validation of the Finite Element Models. 1 Introduction In previous chapters we discussed the finite element models that we use for analyzing the collapse and post-collapse behavior of steel pipes. Since important technological conclusions are derived from the output of these models, it is of utmost importance to validate their results.
1, we conclude that the proposed 2D mesh of QMITC elements is accurate enough to represent the collapse of very long specimens. Fig. 992 26 3 Collapse and Post-Collapse Behavior Fig. 67) From the analyses of different cases we identified two basic types of load/ displacement paths. In Fig. 2 we present both, direct and inverse collapse behavior of eccentric pipes. The latter case was previously identified in the literature for the case of collapse under external pressure and bending [9, 10]. A total of 32 collapse tests, for casings 9 5/800 OD 47 lb/ft and 700 OD 26 lb/ft both Grade 95 ksi, were analyzed using plane stress and plane strain models.
67) From the analyses of different cases we identified two basic types of load/ displacement paths. In Fig. 2 we present both, direct and inverse collapse behavior of eccentric pipes. The latter case was previously identified in the literature for the case of collapse under external pressure and bending [9, 10]. A total of 32 collapse tests, for casings 9 5/800 OD 47 lb/ft and 700 OD 26 lb/ft both Grade 95 ksi, were analyzed using plane stress and plane strain models. The comparisons between the numerical and experimental results are plotted in Fig.