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Weakly-nonlinear regimes near the threshold of instability in geothermal systems

Weakly-nonlinear regimes near the threshold of instability in geothermal systems. Andrey Il’ichev Steklov Mathematical Institute, Moscow

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Weakly-nonlinear regimes near the threshold of instability in geothermal systems

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  1. Weakly-nonlinear regimes near the threshold of instability in geothermal systems Andrey Il’ichev Steklov Mathematical Institute, Moscow George Tsypkin Institute for problems in mechanics, Moscow

  2. Geothermal systems Geometry of the problem; is a high-permeability domain, 1 is a low-permeability domain occupied by water, 2 is the low-permeability domain occupied by vapor, is the high-permeability domain. .

  3. Equations and boundary conditions div =0, , , div =0, , , , , , , , Log , ,

  4. Vertical flows

  5. Linear stability

  6. Long-wave instability

  7. KPP equation

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