Arrhenius Rate Factor. More...

#include <ConstitutiveRelation.H>

Inheritance diagram for ArrheniusRateFactor:

Collaboration diagram for ArrheniusRateFactor:

Public Member Functions
	ArrheniusRateFactor (Real a_seconds_per_unit_time)

void	setDefaultParameters (Real a_seconds_per_unit_time)

void	setParameters (Real a_n, Real a_enhance, Real a_B0, Real a_theta_r, Real a_K, Real a_C, Real a_R, Real a_Q)

void	computeA (FArrayBox &a_A, const FArrayBox &a_thetaStar, const FArrayBox &a_pressure, const Box &a_box) const

RateFactor *	getNewRateFactor () const

Public Member Functions inherited from RateFactor
virtual	~RateFactor ()

Detailed Description

Arrhenius Rate Factor.

The Arrhenius rate factor is used widely in ice sheet modelling, e.g (Pattyn, 2003)

Constructor & Destructor Documentation

◆ ArrheniusRateFactor()

ArrheniusRateFactor::ArrheniusRateFactor ( Real a_seconds_per_unit_time )

Member Function Documentation

◆ computeA()

void ArrheniusRateFactor::computeA	(	FArrayBox &	a_A,
		const FArrayBox &	a_thetaStar,
		const FArrayBox &	a_pressure,
		const Box &	a_box
	)		const

virtual

Implements RateFactor.

◆ getNewRateFactor()

RateFactor * ArrheniusRateFactor::getNewRateFactor ( ) const

virtual

Implements RateFactor.

◆ setDefaultParameters()

void ArrheniusRateFactor::setDefaultParameters ( Real a_seconds_per_unit_time )

power law exponent

Pattyns enhancement factor

flow rate factor (2.207 Pa a^(1/n) )

limit temperature in flow-rate factor (273.39 K)

flow rate exponent (1.17)

flow rate factor 0.16612 K^m_K

universal gas constant 8.31 J/(mol K) )

activation energy for creep (7.88e4 J/mol

◆ setParameters()

void ArrheniusRateFactor::setParameters	(	Real	a_n,
		Real	a_enhance,
		Real	a_B0,
		Real	a_theta_r,
		Real	a_K,
		Real	a_C,
		Real	a_R,
		Real	a_Q
	)