Geodesic
An inverse problem for faults in elastic half space
Darko Volkov1
1 Department of Mathematical Sciences, Worcester Polytechnic Institute, Worcester MA 01609, United States;
ESAIM. Proceedings, Tome 26 (2009), pp. 1-23 Cet article a éte moissonné depuis la source EDP Sciences

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This paper starts from a model in geophysics for the quasi static evolution of displacement fields occurring during the destabilization of fractured plates. We use the equations of linear elasticity in half space with traction free conditions on the surface and given tangential dislocations on the fault. We first discuss the derivation of the adequate Green's tensor for this problem. We then use this Green's tensor to obtain a simple and efficient approximation to the surface displacement field. Next we show how to solve the fault inverse problem from measurements of surface displacements. We first give the solution in closed form. We then illustrate it on numerical examples which demonstrate the robustness of our reconstruction algorithm.

DOI : 10.1051/proc/2009002

Darko Volkov 1

1 Department of Mathematical Sciences, Worcester Polytechnic Institute, Worcester MA 01609, United States; 
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Darko Volkov. An inverse problem for faults in elastic half space. ESAIM. Proceedings, Tome 26 (2009), pp. 1-23. doi: 10.1051/proc/2009002

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