A numerical model for onset of scour bel
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Zhipeng Zang; Liang Cheng; Ming Zhao; Dongfang Liang; Bin Teng
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Article
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2009
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Elsevier Science
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English
โ 979 KB
A numerical model is developed to predict the onset of local scour below offshore pipelines in steady currents and waves. The scour is assumed to start when the pressure gradient underneath the pipeline exceeds the floatation gradient of the sediments. In this model, the water flow field above the b