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Analysis Component

The Analysis component is used to specify the various inputs for a PipeLay analysis. The Analysis component allows you to gather together a set of components of various types, such as pipelines, vessels, waves and so on, from all of those defined in a project file, and to perform various types of analyses using these components. In this example, the Analysis component is named ‘Davit Lift Analysis’. The following sections provide a description of the various inputs for the analysis.

 

Properties Tab

The Properties tab allows you to specify the options that are to be applied to all analysis stages of a particular model. In this example the Model is selected as ‘Model’ and the Bypass Cable Pre-static Step option selected as ‘Yes’.

 

Installation Stages Tab

The Installation Stages tab is where you define the various stages in your analysis.In this example there are six static stages. Each of the stages 2-6 restart from the preceding stage. In order to aid solution convergence, alterations to the winch cable lengths are performed over a finite Number of Increments, nominally set to 100 in all cases.

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Parameters Tab

The Parameters tab allows you to specify which parameters you want to change during each analysis stage defined on the Installation Stages tab. A summary of the parameters changed in each stage of this example is provided in the table below.

Table: Summary of Parameter Changes

 

Summary Postprocessing Tab

You can use the Summary Postprocessing tab to request output from various parameters at crucial locations throughout the installation process. In this example, a number of parameters are selected for summary postprocessing, as detailed in the table below.

Table: Summary Postprocessing

 

 

Running the Analysis

You are now ready to run the analysis. While the analysis is running, you can observe the analysis progress and check for warnings or errors on the Progress tab.

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