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Subsea modeling with Soil and Structure interaction in Abaqus - Part 1

Posted by Nikolaos Mavrodontis on Aug 5, 2019 8:53:29 AM

Offshore and subsea structures have been constructed and commissioned for many decades now, resulting in quite innovative and mature technologies.

These structure types are subjected to loads of different nature. Therefore there is the need for developing methods, that allow for a structural assessment under serviceability loads, in a quick but also accurate way.

Particularly, for subsea structures focused on oil extraction from reservoirs, lying under the seabed, interaction with the surrounding soil becomes of critical importance.

In this blog post, we will be investigating a drilling wellhead under external load action while also incorporating the behavior of the surrounding fully saturated soil from the seabed, in terms of nonlinear springs.

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Topics: Abaqus, non-linear springs, wellhead, Soil Structure Interaction, soil represented as spings

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