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ODEs

Description:

An includable module containing procedures used to compute the derivatives of physical source terms. subroutines currently exist for cylindrical geometry, gravity, and cooling.

Location:

contrib/astro/physics/i_i_ODEs.f90

Included In Files:

contrib/astro/physics/i_src.f90

Functions and Subroutines:

• Derivatives2D — Calculates time-derivatives of the field variables in a cell.

• Jacobian2D — Computes a Jacobian matrix from the source terms.

• eightwavesD — A divergence-cleaning subroutine.

• Cyl2D — Contributes cylindrical geometric source terms to time-derivatives (hydro only).

• Cyl2DMHD — Contributes cylindrical geometric source terms to time-derivatives (MHD only).

• Gravity — Contributes gravitational source terms, with gravity originating from the lower-left corner.

• UniformGravity — Contributes gravitational source terms, with gravity originating from the bottom edge.

• DMCool — Returns cooling source terms, derived from the Dalgarno-McCray cooling curve.

• NEQPhysics — Returns cooling source terms, obtained using the the microphysics subroutine Cool_Derivatives().

• AnalyticCool — Returns cooling source terms calculated from a Delamarter-style analytic cooling curve.

• eightwavesJ — Divergence cleaning in the Jacobian.

• Cyl2DJac — Adds hydro cylindrical terms to the Jacobian source term matrix.

• Cyl2DJacMHD — Adds MHD cylindrical terms to the Jacobian source term matrix.

• GravityJac — Contributes gravitational source terms to the Jacobian, with gravity originating from the lower-left corner.

• UniformGravityJac — Contributes gravitational source terms to the Jacobian, with gravity originating from the bottom edge.

• DMCoolJac — Contributes cooling source terms to the Jacobian, derived from the Dalgarno-McCray curve.

• NEQPhysicsJac — Contributes microphysics cooling source terms to the Jacobian.

• AnalyticCoolJac — Contributes cooling source terms to the Jacobian, derived from an analytic curve.

• Derivatives3D — Calculates time-derivatives of the field variables in a cell.

• Jacobian3D — Computes a Jacobian matrix from the source terms.

• InitCool — Reads in the Dalgarno-McCray cooling table from cooling.tab.

• CoolingRate — Returns a cooling rate interpolated from the Dalgarno-McCray cooling table.

• AnalyticCoolingRate — Calculate a cooling rate based on the analytic cooling function.

• AnalyticCoolingSlope — Return the slope of the cooling function at a given temperature.