Search Results - "Randolph, M.F."

Towards a simple and reliable method for calculating uplift capacity of plate anchors in sand by Roy, A, Chow, S.H, O’Loughlin, C.D, Randolph, M.F

“…This paper investigates the uplift capacity of horizontal plate anchors in sand through finite element analyses and centrifuge experiments. The finite element…”
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Use of a bounding surface model in predicting element tests and capacity in boundary value problems by Roy, A, Chow, S.H, O’Loughlin, C.D, Randolph, M.F, Whyte, S

“…The paper examines the merit of a bounding surface plasticity model at both element and system level. The governing equations are based essentially on the…”
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A new contact algorithm in the material point method for geotechnical simulations by Ma, J., Wang, D., Randolph, M.F.

“…SUMMARY Contact between stiff structural elements and soil is encountered in many applications in geotechnical engineering. Modelling of such contact is…”
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Shallow penetrometer tests: theoretical and experimental modelling of penetration and dissipation stages by Schneider, M.A, Stanier, S.A, White, D.J, Randolph, M.F

“…Shallow penetrometers are devices that penetrate into and measure the properties of surficial offshore sediments via multi-phase tests involving penetration,…”
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Shallow penetrometer tests: theoretical and experimental modelling of the rotation stage by Schneider, M.A, Stanier, S.A, White, D.J, Randolph, M.F

“…Shallow penetrometers are a new type of device that measures the properties of surficial offshore sediments via multi-phase tests involving penetration,…”
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Elastoplastic consolidation solutions for scaling from shallow penetrometers to pipelines by Yan, Y, White, D.J, Randolph, M.F

“…The build-up of friction on seabed pipelines is an important design consideration, affecting their stability and the resulting in-service strain and fatigue…”
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Modelling the embedment process during offshore pipe-laying on fine-grained soils by WESTGATE, Z. J, WHITE, D. J, RANDOLPH, M. F

“…Subsea pipelines are becoming an increasingly significant element of offshore hydrocarbon developments as exploration moves into deep-water environments…”
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Quantification of impact forces on fixed mudmats from submarine landslides using the material point method by Dong, Y., Wang, D., Randolph, M.F.

“…Quantification of impact forces from submarine landslides is vital to the safe design of mudmats and other subsea structures that are laid out in the hazard…”
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New planar velocity fields for upper bound limit analysis by Puzrin, A.M., Randolph, M.F.

“…A generalised framework has recently been proposed for derivation of kinematically admissible velocity fields in 3-dimensional upper bound limit analysis in…”
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Numerical investigation of dynamic installation of torpedo anchors in clay by Kim, Y.H., Hossain, M.S., Wang, D., Randolph, M.F.

“…This paper reports the results from three-dimensional dynamic finite element analysis undertaken to provide insight into the behaviour of torpedo anchors…”
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A dynamic large deformation finite element method based on mesh regeneration by Wang, D., Randolph, M.F., White, D.J.

“…In this paper, a large deformation finite element (LDFE) approach termed ‘remeshing and interpolation technique with small strain (RITSS)’ is extended from…”
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On the superposition of plastically dissipated work in upper bound limit analysis by Puzrin, A.M, Randolph, M.F

“…This paper is an attempt to understand implications of the applicability of the principle of superposition to limit analysis based on the upper bound theorem…”
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Superbrittleness of rocks and earthquake activity by Tarasov, B.G., Randolph, M.F.

“…This paper demonstrates that, in contrast to relatively soft rocks, intact hard rocks failed in mode II can increase their brittleness dramatically (hundreds…”
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Numerical analysis of penetrometers free-falling into soil with shear strength increasing linearly with depth by Moavenian, M.H., Nazem, M., Carter, J.P., Randolph, M.F.

“…Dynamic penetrometers have been used for offshore oil and gas industry applications such as pipeline feasibility studies and anchoring systems, and military…”
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Optimal skirt spacing for subsea mudmats under loading in six degrees of freedom by Feng, X., Gourvenec, S., Randolph, M.F.

“…•Internal skirts were effectively modelled by kinematic coupling constraint.•In-plane V–M–H loading was the governing case for determining the optimal skirt…”
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Shear strength of soil berm during lateral buckling of subsea pipelines by Rismanchian, A., White, D.J., Randolph, M.F., Martin, C.M.

“…The soil resistance developed during temperature- and pressure-induced large lateral movements of shallowly embedded subsea flowlines is an important input…”
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Large deformation finite element analysis investigating the performance of anchor keying flap by Wang, D., Gaudin, C., Randolph, M.F.

“…Suction embedded plate anchors, as used in practice, include a hinged keying flap aligned with the main anchor plate (fluke). The flap was designed to rotate…”
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Installation and capacity of dynamically embedded plate anchors as assessed through centrifuge tests by O’Loughlin, C.D., Blake, A.P., Richardson, M.D., Randolph, M.F., Gaudin, C.

“…A dynamically embedded plate anchor (DEPLA) is a rocket or dart shaped anchor that comprises a removable central shaft and a set of four flukes. Similar to…”
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Frictionless shear at great depth and other paradoxes of hard rocks by Tarasov, B.G., Randolph, M.F.

“…Shearing with very low friction is regarded as responsible for the high-energy release from deep-seated earthquakes and rock bursts in deep underground mines,…”
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The influence of sea state on as-laid pipeline embedment: A case study by Westgate, Z.J., Randolph, M.F., White, D.J., Li, S.

“…The as-laid embedment of an offshore pipeline is an important parameter for design as it affects lateral and axial stability, exposure to environmental loads,…”
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