PISMBedDef Class Reference

PISM bed deformation model (base class). More...

#include <PISMBedDef.hh>

Inheritance diagram for PISMBedDef:

[legend]

List of all members.

Public Member Functions
	PISMBedDef (IceGrid &g, const NCConfigVariable &conf)
virtual	~PISMBedDef ()
virtual PetscErrorCode	init (PISMVars &vars)
virtual PetscErrorCode	update (PetscReal t_years, PetscReal dt_years)=0
	Update a model, if necessary.
Protected Member Functions
PetscErrorCode	pismbeddef_allocate ()
PetscErrorCode	compute_uplift (PetscScalar dt_beddef)
	Compute bed uplift.
Protected Attributes
PetscReal	t_beddef_last
	last bed deformation update year
IceModelVec2S	topg_last
	last bed elevation
IceModelVec2S *	thk
	pointer to the current ice thickness
IceModelVec2S *	topg
	pointer to the current bed elevation
IceModelVec2S *	uplift
	pointer to the bed uplift rate field

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Detailed Description

PISM bed deformation model (base class).

Unlike other PISMComponent derived classes, the update() method of PISMBedDef has side-effects (modifies IceModel data memebers).

Definition at line 30 of file PISMBedDef.hh.

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Constructor & Destructor Documentation

PISMBedDef	(	IceGrid &	g,
		const NCConfigVariable &	conf
	)

Definition at line 3 of file PISMBedDef.cc.

References IceGrid.com, PISMComponent.grid, pismbeddef_allocate(), t_beddef_last, thk, topg, and uplift.

virtual ~PISMBedDef

(

)

[virtual]

Definition at line 33 of file PISMBedDef.hh.

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Member Function Documentation

PetscErrorCode compute_uplift

(

PetscScalar

dt_beddef

)

[protected]

Compute bed uplift.

uplift = (topg - topg_last) / dt

Definition at line 47 of file PISMBedDef.cc.

References IceModelVec.add(), IceModelVec.scale(), secpera, topg, topg_last, and uplift.

Referenced by PBPointwiseIsostasy.update(), and PBLingleClark.update().

PetscErrorCode init

(

PISMVars &

vars

)

[virtual]

Implements PISMComponent.

Reimplemented in PBPointwiseIsostasy, and PBLingleClark.

Definition at line 30 of file PISMBedDef.cc.

References PISMVars.get(), PISMComponent.grid, t_beddef_last, thk, topg, uplift, and IceGrid.year.

Referenced by IceModel.model_state_setup().

PetscErrorCode pismbeddef_allocate

(

)

[protected]

Definition at line 19 of file PISMBedDef.cc.

References IceModelVec2S.create(), PISMComponent.grid, IceModelVec.set_attrs(), and topg_last.

Referenced by PISMBedDef().

virtual PetscErrorCode update	(	PetscReal	,
		PetscReal
	)			[pure virtual]

Update a model, if necessary.

Reimplemented from PISMComponent.

Implemented in PBPointwiseIsostasy, and PBLingleClark.

Referenced by IceModel.bed_def_step().

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Member Data Documentation

PetscReal t_beddef_last [protected]

last bed deformation update year

Definition at line 39 of file PISMBedDef.hh.

Referenced by init(), PISMBedDef(), PBPointwiseIsostasy.update(), and PBLingleClark.update().

IceModelVec2S* thk [protected]

pointer to the current ice thickness

Definition at line 42 of file PISMBedDef.hh.

Referenced by init(), PBPointwiseIsostasy.init(), PBLingleClark.init(), PISMBedDef(), PBPointwiseIsostasy.update(), and PBLingleClark.update().

IceModelVec2S * topg [protected]

pointer to the current bed elevation

Definition at line 42 of file PISMBedDef.hh.

Referenced by compute_uplift(), init(), PBLingleClark.init(), PISMBedDef(), PBPointwiseIsostasy.update(), and PBLingleClark.update().

IceModelVec2S topg_last [protected]

last bed elevation

Definition at line 41 of file PISMBedDef.hh.

Referenced by compute_uplift(), pismbeddef_allocate(), PBPointwiseIsostasy.update(), and PBLingleClark.update().

IceModelVec2S * uplift [protected]

pointer to the bed uplift rate field

Definition at line 42 of file PISMBedDef.hh.

Referenced by compute_uplift(), init(), PBLingleClark.init(), and PISMBedDef().

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The documentation for this class was generated from the following files:

• stable0.3/src/earth/PISMBedDef.hh
• stable0.3/src/earth/PISMBedDef.cc