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Creators/Authors contains: "Yerro, A."

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  1. ; ; ; ; ; (, Soil Dynamics and Earthquake Engineering)
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  2. (, 2nd International Conference on the Material Point Method for Modelling Soil-Water-Structure Interaction)
    This paper proposes a numerical framework to model the deployment of a Free Fall Penetrometer (FFP) device in dry sands using the Material Point Method (MPM). Seabed characterization is required to assess a number of geotechnical problems in the nearshore and offshore areas, and FFP deployment is becoming a popular method to characterize shallow sediments. A moving mesh technique is used to ensure the accurate geometry of the FFP device throughout the calculation and the soil-FFP interaction is modelled with a frictional contact algorithm. The FFP device is simulated as a rigid body, which enhances the performance of the computation and reduces its computational cost. Numerical results are compared to experimental data, and are very promising. 
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