A fractional-step finite-element method for the Navier–Stokes equations applied to magma-chamber withdrawal

A fractional-step finite-element method for the Navier–Stokes equations applied to magma-chamber withdrawal

Source :

• Computers and Geosciences [ 0098-3004 ] ; 1999.

Descripteurs français

• Wicri :
  • topic : éruption volcanique.

English descriptors

• KwdEn :
  • Algorithm, Axial symmetry, Boundary condition, Boundary integral, Cambridge university press, Central vent eruption, Chamber walls, Characteristics frame, Codina, Compressible, Computational, Computational domain, Computational outlet, Computers geosciences, Conduit, Conduit entrance, Conduit entrance laterally, Continuity equation, Convective, Convective terms, Critical pressure, Deeper parts, Deviatoric stress tensor, Discretization, Ellipsoidal chamber, Elsevier science, Equal interpolation spaces, Eruption, Eruption proceeds, Eruption rate, Explicit continuity equation, Exsolution, Exsolution level, Felsic magmas, Fluid dynamics, Folch, Fractional, Fractional momentum, Fractional momentum equation, Fractional step method, General algorithm, Geophysical research, Geosciences, Geothermal research, Heat equation, Helens eruption, Host rock, Incompressible, Incompressible limit, Initial conditions, Initial overpressure, Initial pressure, International journal, Last term, Liquid density, Lithostatic, Lithostatic pressure, Magma, Magma chamber, Magma pressure, Magma properties, Magma withdrawal, Major axis, Mass discharge rate, Minor axis, Mixture density, Momentum equation, Nodal unknowns, Normal component, Numerical experiments, Numerical method, Numerical methods, Overpressure, Physical properties, Pressure decrease, Results show, Rhyolitic magma, Shallow chamber, Shallow chambers, Spatial discretization, Special interpolation, Splitting error, Standard mass matrix, Supg method, Symmetry axis, Temporal evolution, Temporal variations, Tensile strength, Test function, Test functions, Thermal conductivity, Time step, Volatile content, Volatile oversaturation, Volcanic conduits, Volcanic eruption, Water content, Water contents, Weak form, Withdrawal process.
• Teeft :
  • Algorithm, Axial symmetry, Boundary condition, Boundary integral, Cambridge university press, Central vent eruption, Chamber walls, Characteristics frame, Codina, Compressible, Computational, Computational domain, Computational outlet, Computers geosciences, Conduit, Conduit entrance, Conduit entrance laterally, Continuity equation, Convective, Convective terms, Critical pressure, Deeper parts, Deviatoric stress tensor, Discretization, Ellipsoidal chamber, Elsevier science, Equal interpolation spaces, Eruption, Eruption proceeds, Eruption rate, Explicit continuity equation, Exsolution, Exsolution level, Felsic magmas, Fluid dynamics, Folch, Fractional, Fractional momentum, Fractional momentum equation, Fractional step method, General algorithm, Geophysical research, Geosciences, Geothermal research, Heat equation, Helens eruption, Host rock, Incompressible, Incompressible limit, Initial conditions, Initial overpressure, Initial pressure, International journal, Last term, Liquid density, Lithostatic, Lithostatic pressure, Magma, Magma chamber, Magma pressure, Magma properties, Magma withdrawal, Major axis, Mass discharge rate, Minor axis, Mixture density, Momentum equation, Nodal unknowns, Normal component, Numerical experiments, Numerical method, Numerical methods, Overpressure, Physical properties, Pressure decrease, Results show, Rhyolitic magma, Shallow chamber, Shallow chambers, Spatial discretization, Special interpolation, Splitting error, Standard mass matrix, Supg method, Symmetry axis, Temporal evolution, Temporal variations, Tensile strength, Test function, Test functions, Thermal conductivity, Time step, Volatile content, Volatile oversaturation, Volcanic conduits, Volcanic eruption, Water content, Water contents, Weak form, Withdrawal process.

Abstract

• https://api.istex.fr/document/5E7330042834AC8C99E19507F096FF78C673A14A/fulltext/pdf

Affiliations:

• Espagne
• Catalogne

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