Ice Sheet System Model  4.18
Code documentation
Functions
ThicknessAbsMisfitx.h File Reference

header file for inverse methods misfit computation More...

#include "../../classes/classes.h"

Go to the source code of this file.

Functions

void ThicknessAbsMisfitx (IssmDouble *pJ, Elements *elements, Nodes *nodes, Vertices *vertices, Loads *loads, Materials *materials, Parameters *parameters)
 
IssmDouble ThicknessAbsMisfit (Element *element)
 

Detailed Description

header file for inverse methods misfit computation

Definition in file ThicknessAbsMisfitx.h.

Function Documentation

◆ ThicknessAbsMisfitx()

void ThicknessAbsMisfitx ( IssmDouble pJ,
Elements elements,
Nodes nodes,
Vertices vertices,
Loads loads,
Materials materials,
Parameters parameters 
)

Definition at line 11 of file ThicknessAbsMisfitx.cpp.

11  {
12 
13  /*output: */
14  IssmDouble J=0.;
15  IssmDouble J_sum;
16 
17  /*Compute Misfit: */
18  for(int i=0;i<elements->Size();i++){
19  Element* element=xDynamicCast<Element*>(elements->GetObjectByOffset(i));
20  J+=ThicknessAbsMisfit(element);
21  }
22 
23  /*Sum all J from all cpus of the cluster:*/
26  J=J_sum;
27 
28  /*Assign output pointers: */
29  *pJ=J;
30 }

◆ ThicknessAbsMisfit()

IssmDouble ThicknessAbsMisfit ( Element element)

Definition at line 32 of file ThicknessAbsMisfitx.cpp.

32  {
33 
34  IssmDouble thickness,thicknessobs,weight;
35  IssmDouble Jelem=0.;
36  IssmDouble misfit,Jdet;
37  IssmDouble* xyz_list = NULL;
38 
39  /*If on water, return 0: */
40  if(!element->IsIceInElement()) return 0.;
41 
42  /* Get node coordinates*/
43  element->GetVerticesCoordinates(&xyz_list);
44 
45  /*Retrieve all inputs we will be needing: */
46  DatasetInput2* weights_input =element->GetDatasetInput2(InversionCostFunctionsCoefficientsEnum); _assert_(weights_input);
47  Input2* thickness_input =element->GetInput2(ThicknessEnum); _assert_(thickness_input);
48  Input2* thicknessobs_input=element->GetInput2(InversionThicknessObsEnum); _assert_(thicknessobs_input);
49 
50  /* Start looping on the number of gaussian points: */
51  Gauss* gauss=element->NewGauss(2);
52  for(int ig=gauss->begin();ig<gauss->end();ig++){
53 
54  gauss->GaussPoint(ig);
55 
56  /* Get Jacobian determinant: */
57  element->JacobianDeterminant(&Jdet,xyz_list,gauss);
58 
59  /*Get all parameters at gaussian point*/
60  weights_input->GetInputValue(&weight,gauss,ThicknessAbsMisfitEnum);
61  thickness_input->GetInputValue(&thickness,gauss);
62  thicknessobs_input->GetInputValue(&thicknessobs,gauss);
63 
64  /*Compute ThicknessAbsMisfitEnum*/
65  Jelem+=0.5*(thickness-thicknessobs)*(thickness-thicknessobs)*weight*Jdet*gauss->weight;
66  }
67 
68  /*clean up and Return: */
69  xDelete<IssmDouble>(xyz_list);
70  delete gauss;
71  return Jelem;
72 }
DataSet::Size
int Size()
Definition: DataSet.cpp:399
InversionThicknessObsEnum
@ InversionThicknessObsEnum
Definition: EnumDefinitions.h:631
_assert_
#define _assert_(ignore)
Definition: exceptions.h:37
IssmDouble
double IssmDouble
Definition: types.h:37
DatasetInput2
Definition: DatasetInput2.h:14
InversionCostFunctionsCoefficientsEnum
@ InversionCostFunctionsCoefficientsEnum
Definition: EnumDefinitions.h:629
ISSM_MPI_SUM
#define ISSM_MPI_SUM
Definition: issmmpi.h:134
IssmComm::GetComm
static ISSM_MPI_Comm GetComm(void)
Definition: IssmComm.cpp:30
DatasetInput2::GetInputValue
void GetInputValue(IssmDouble *pvalue, Gauss *gauss, int index)
Definition: DatasetInput2.cpp:199
ThicknessAbsMisfit
IssmDouble ThicknessAbsMisfit(Element *element)
Definition: ThicknessAbsMisfitx.cpp:32
Element::GetInput2
virtual Input2 * GetInput2(int inputenum)=0
Element
Definition: Element.h:41
Element::GetDatasetInput2
virtual DatasetInput2 * GetDatasetInput2(int inputenum)
Definition: Element.h:250
ISSM_MPI_DOUBLE
#define ISSM_MPI_DOUBLE
Definition: issmmpi.h:125
Element::NewGauss
virtual Gauss * NewGauss(void)=0
Element::GetVerticesCoordinates
void GetVerticesCoordinates(IssmDouble **xyz_list)
Definition: Element.cpp:1446
ThicknessAbsMisfitEnum
@ ThicknessAbsMisfitEnum
Definition: EnumDefinitions.h:837
ISSM_MPI_Bcast
int ISSM_MPI_Bcast(void *buffer, int count, ISSM_MPI_Datatype datatype, int root, ISSM_MPI_Comm comm)
Definition: issmmpi.cpp:162
Input2
Definition: Input2.h:18
Element::IsIceInElement
bool IsIceInElement()
Definition: Element.cpp:2021
Gauss::begin
virtual int begin(void)=0
DataSet::GetObjectByOffset
Object * GetObjectByOffset(int offset)
Definition: DataSet.cpp:334
Element::JacobianDeterminant
virtual void JacobianDeterminant(IssmDouble *Jdet, IssmDouble *xyz_list, Gauss *gauss)=0
Gauss::GaussPoint
virtual void GaussPoint(int ig)=0
ThicknessEnum
@ ThicknessEnum
Definition: EnumDefinitions.h:840
Input2::GetInputValue
virtual void GetInputValue(IssmDouble *pvalue, Gauss *gauss)
Definition: Input2.h:38
Gauss::weight
IssmDouble weight
Definition: Gauss.h:11
ISSM_MPI_Reduce
int ISSM_MPI_Reduce(void *sendbuf, void *recvbuf, int count, ISSM_MPI_Datatype datatype, ISSM_MPI_Op op, int root, ISSM_MPI_Comm comm)
Definition: issmmpi.cpp:373
Gauss
Definition: Gauss.h:8