Penetration Model Parameter Estimation from Dynamic Permeability Measurements
- Varadhan Ravi and
- Aaron A. Jennings
Several discrete interface-penetration models have been proposed to quantify the permeability impacts of strong soil/solute interactions. Although it has been demonstrated that these models are capable of reproducing many of the response patterns observed in laboratory studies, their nonlinear, piecewise differentiable, implicit time boundary structure compounds efforts at formal parameter estimation. A modified Levenberg-Marquardt algorithm is presented to resolve the constrained optimization problem of penetration-model calibration. Examples are also presented to demonstrate that optimum parameter sets may be extracted from typical laboratory data, and to illustrate how results may be used to infer proper modeling strategies.Please view the pdf by using the Full Text (PDF) link under 'View' to the left.
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