Boundary Element Methods for Soil-Structure Interaction - download pdf or read online

By W.S. Hall, G. Oliveto

ISBN-10: 1402013000

ISBN-13: 9781402013003

The publication offers an authoritative consultant to the literature at the topic coated and is predicted to be a useful instrument for working towards engineers, scholars and students within the fields of Structural, Geotechnical and Earthquake Engineering. Engineers and scholars may well with no trouble find the fabrics or equipment to be had for the answer in their specific challenge whereas students may possibly notice equipment formerly now not thought of for the actual program being thought of. The e-book also needs to be of curiosity to the bigger group of utilized mathematicians and software program builders in seeing a box the place the Boundary aspect process supplies a wealth of correct and effective strategies. ultimately the e-book can be utilized as a place to begin for study and for the research of unsolved difficulties in Soil-Structure and Fluids-Structure-Soil interplay, rather non-linear coupled difficulties that may be advantageously approached by way of Boundary point tools.

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Additional resources for Boundary Element Methods for Soil-Structure Interaction

Example text

The first DSSI problems, studied during the late thirties, were related to the vibration of large machines mounted on massive foundations. The dynamic behaviour of these machines could only be understood by taking into account the dynamic interaction between the soil and the machine foundation. Tall buildings, or any other structure based on the ground, subject to wind loads are also examples of problems where DSSI effects may be important and where the excitation is directly applied to the structure.

The fluid boundary is discretized into BE. Solid-fluid interfaces require the shear tractions on the boundary of the solid in contact with water to be zero. The equilibrium condition indicates that the fluid pressure should be equal and opposite to the normal traction on the solid. The compatibility condition leads to equal normal displacements of both media at the points on the interface. These conditions can be written as: where n is the outward unit normal from the solid, is the unit vector tangent to the interface for two dimensions or any unit tangent vector for three dimensions, is the water pressure, the fluid displacement along n and and are the tractions and displacement vectors respectively, at the boundary points of the solid.

AXISYMMETRIC FOUNDATIONS The first formulations of the BEM for axisymmetric elastostatic problems were done by Mayr (1975) and Kermanidis (1975). The integral representation in cylindrical coordinates has the same expression of 2-D and 3-D problems when one uses a fundamental solution corresponding to ring loads following the radial, tangential and axial directions. , 1977), which makes their integration along the boundary elements rather involved. The harmonic ring load fundamental solution may be obtained in terms of an infinite line integral of Hankel functions (Domínguez and Abascal, 1984) and its integration along the elements is again complicated.

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Boundary Element Methods for Soil-Structure Interaction by W.S. Hall, G. Oliveto

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