NUMERICAL MODELLING OF SUSPENDED SEDIMENT.

Brian A. O'Connor, Samir Zein

Research output: Contribution to conferencePaperpeer-review

2 Citations (Scopus)

Abstract

The model is based upon an implicit finite-difference solution to a two-dimensional (longitudinal and vertical) diffusion-advection equation for suspended sediment transport. Horizontal eddy diffusion is neglected in comparison with vertical diffusion and vertical water motion is assumed negligible in comparison with the sediment fall velocity. The various applications indicate that the greatest errors in the model are due to large spatial concentration gradients and that errors can be controlled by a suitable choice of space and time step. In addition, it is considered that the model has great flexibility and seems to have an acceptable level of accuracy, at least in the field situations tested, provided the physical parameters of the model can also be determined accurately. Data are presented in tabular form; graphs are appended.

Original languageEnglish
Pages1109-1128
Number of pages20
Publication statusPublished - 1975
Externally publishedYes
EventCoastal Eng Conf, 14th Int, Proc - Copenhagen, Den
Duration: Jun 24 1974Jun 28 1974

Conference

ConferenceCoastal Eng Conf, 14th Int, Proc
CityCopenhagen, Den
Period6/24/746/28/74

ASJC Scopus Subject Areas

  • General Engineering

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