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Solvable Model for Dynamic Mass Transport in Disordered Geophysical Media
M Marder1, Behzad Eftekhari1, Tadeusz W Patzek2
1Department of Physics, The University of Texas at Austin, Austin, Texas 78712, USA.
We developed a solvable model for geophysical material transport, describing gas flow to complex boundaries over long times. This model, solved using Green's functions, aids in understanding subsurface flow dynamics.
Area of Science:
- Geophysics
- Mathematical Modeling
- Transport Phenomena
Background:
- Understanding long-term transport in geophysical materials is crucial for resource management and environmental studies.
- Complex absorbing boundaries in geological formations present significant challenges for traditional modeling approaches.
Purpose of the Study:
- To present an analytically solvable model for large-scale, long-time transport in geophysical materials.
- To describe gas flow dynamics towards intricate absorbing boundaries.
- To provide a framework for analyzing transport in complex geological networks.
Main Methods:
- Development of an analytically solvable mathematical model.
- Application of Green's function techniques to solve the transport model.
- Testing the model's applicability to three absorbing networks of increasing complexity.
Main Results:
- An analytical solution was derived for the described transport model.
- The solution was successfully applied to networks with varying degrees of complexity.
- The model demonstrates effective description of gas flow over extended time scales.
Conclusions:
- The presented model offers an effective analytical approach for studying long-term geophysical transport.
- Green's function methods provide a powerful tool for solving complex boundary value problems in geophysics.
- The findings have implications for modeling fluid flow and contaminant transport in diverse geological settings.
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