Modelling ground vibrations induced by harmonic loads

Nawras Hamdan, Omar Laghrouche, David Connolly, Peter Keith Woodward

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


A finite-element model combining the frequency domain thin-layer method with paraxial boundary conditions to simulate the semi-infinite extent of a soil medium is presented in this paper. The combined numerical model is used to deal with harmonic vibrations of surface rigid foundations on non-horizontal soil profiles. The model can deal with soil media over rigid bedrock or significant depths of half-space. Structured finite elements are used to mesh simple geometry soil domains, whereas unstructured triangular mesh grids are employed to deal with complex geometry problems. Dynamic responses of homogeneous as well as layered soil profiles are simulated and validated against analytical and approximate solutions. Finally, the model is used to deal with surface ground vibration reduction, in which it is first validated against published results and then followed by an example involving a bridge.
Original languageEnglish
Pages (from-to)399-409
Number of pages11
JournalProceedings of the Institution of Civil Engineers: Geotechnical Engineering
Issue number5
Early online date26 Apr 2016
Publication statusPublished - Oct 2016


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