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| HOMOTOPY METHOD FOR INVERSING PARAMETERS OF WAVE EQUATION IN POROUS MEDIA |
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Abstract According to the principle that the computed response and measured response should be fitted，the parameter inversion problem is reduced to a problem of solving nonlinear equations’ zero. Then the homotopy method can be used and it is widely convergent to solve nonlinear equations. At last，this method is used to solve a 1-D model in porous media which has an analytical solution given by Simon in 1984. The numerical results confirm that homotopy algorithms are feasible and robust.
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Received: 19 February 2002
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