Method for analyzing and measuring safety of petroleum pipeline suspended on seabed
An oil pipeline and safety technology, which is applied in the field of safety analysis and measurement of oil pipeline suspension spans, can solve the problems of inability to analyze the multiple suspension span structures of offshore oil pipelines, and difficulty in meeting the safety design requirements of marine pipeline suspension spans.
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[0072] Figure 1-10 The three-dimensional mechanical model of a simulated oil pipeline shown is one of the embodiments of the present invention. The analysis and calculation method for the safety of the suspension span of the oil pipeline on the seabed in the embodiment of the present invention is analyzed and calculated on the finite element simulation platform. Each step is calculated by ANSYS software programming, and the specific steps are as follows:
[0073] 1. Raw data collection steps;
[0074] This raw data includes the following data
[0075] The input data units of the input files must be consistent because there is no built-in check in the analysis program.
[0076] a. Physical parameters of the offshore oil pipeline: including the physical parameters of the offshore oil pipeline, including the length of the offshore oil pipeline, the number of sea pipe elements, the number of sea pipe nodes, the number of seabed nodes, and the simulated seabed surface width;
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