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daniel-koehn / GERMAINE

2D frequency-domain acoustic/SH/TE-mode FD modelling and full waveform inversion (FWI) code

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Approximate Hessian implementation

daniel-koehn opened this issue · comments

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For first tests, the approximate Hessian according to Pratt et al. (1998) and Operto et al. (2006) is implemented in a quick-and-dirty way. The performance could be significantly increased by storing the FD forward wavefields instead of recomputing them for each source-receiver combination.