Determination of crack length and shear acting on a fault from surface measurements (Q1308906)
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scientific article; zbMATH DE number 465228
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Determination of crack length and shear acting on a fault from surface measurements |
scientific article; zbMATH DE number 465228 |
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Determination of crack length and shear acting on a fault from surface measurements (English)
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13 February 1994
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Presented is a method for determining the crack length and the magnitude of a static force acting on a fault from a number of displacement readings at points on the surface. This problem reduces to a nonlinear least squares one. The modified Levenberg-Marquard method is applied to find the solution to this problem. It is shown that this solution method is robust to the effects of measurement noise.
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force identification
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modified Levenberg-Marquard method
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measurement noise
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