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Towards time domain finite element analysis of gravity gradient noise

Beker, M G; Van Den Brand, J.; Hennes, E.; Rabeling, David

Description

Gravity gradient noise generated by seismic displacements constitute a limiting factor for the sensitivity of ground based gravitational wave detectors at frequencies below 10 Hz. We present a finite element framework to calculate the soil response to various excitations. The accompanying gravity gradients as a result of the seismic displacement field can then be evaluated. The framework is first shown to accurately model seismic waves in homogenous media. Calculations of the gravity gradient...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Conference paper
URI: http://hdl.handle.net/1885/72696
Source: Journal of Physics: Conference Series
DOI: 10.1088/1742-6596/228/1/012034

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