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Cross-hole tomography using simulated annealing technique

Sircar A., Chouhan R. K. S.

Acta Geophysica Polonica

1998

Vol. 46, nr 2

161-170

We describe a method of nonlinear inversion of travel-time tomography data based on a global optimisation method called Simulated Annealing (SA). The simulated annealing has recently been found to be computationally efficient in several geophysical parameter estimation problems. The solution is independent of the initial model because local minima are avoided during the process by convenient up-hill down-hill exploration of the model space. Preliminary results using synthetic model show how a moderately complex structure can be obtained by SA.