source: issm/trunk-jpl/src/c/analyses/SealevelriseAnalysis.cpp@ 20028

Last change on this file since 20028 was 20028, checked in by Eric.Larour, 9 years ago

CHG: faster implementation of the precomputation of Green functions for elastic case.

File size: 4.4 KB
Line 
1#include "./SealevelriseAnalysis.h"
2#include "../toolkits/toolkits.h"
3#include "../classes/classes.h"
4#include "../shared/shared.h"
5#include "../modules/modules.h"
6
7/*Model processing*/
8void SealevelriseAnalysis::CreateConstraints(Constraints* constraints,IoModel* iomodel){/*{{{*/
9 /*No constraints*/
10}/*}}}*/
11void SealevelriseAnalysis::CreateLoads(Loads* loads, IoModel* iomodel){/*{{{*/
12 /*No loads*/
13}/*}}}*/
14void SealevelriseAnalysis::CreateNodes(Nodes* nodes,IoModel* iomodel){/*{{{*/
15 ::CreateNodes(nodes,iomodel,SealevelriseAnalysisEnum,P1Enum);
16}/*}}}*/
17int SealevelriseAnalysis::DofsPerNode(int** doflist,int domaintype,int approximation){/*{{{*/
18 return 1;
19}/*}}}*/
20void SealevelriseAnalysis::UpdateElements(Elements* elements,IoModel* iomodel,int analysis_counter,int analysis_type){/*{{{*/
21
22 /*Update elements: */
23 int counter=0;
24 for(int i=0;i<iomodel->numberofelements;i++){
25 if(iomodel->my_elements[i]){
26 Element* element=(Element*)elements->GetObjectByOffset(counter);
27 element->Update(i,iomodel,analysis_counter,analysis_type,P1Enum);
28 counter++;
29 }
30 }
31
32 /*Create inputs: */
33 iomodel->FetchDataToInput(elements,MaskIceLevelsetEnum);
34 iomodel->FetchDataToInput(elements,MaskOceanLevelsetEnum);
35 iomodel->FetchDataToInput(elements,MaskLandLevelsetEnum);
36 iomodel->FetchDataToInput(elements,SealevelriseDeltathicknessEnum);
37
38}/*}}}*/
39void SealevelriseAnalysis::UpdateParameters(Parameters* parameters,IoModel* iomodel,int solution_enum,int analysis_enum){/*{{{*/
40
41 int nl;
42 IssmDouble* love_h=NULL;
43 IssmDouble* love_k=NULL;
44
45 IssmDouble* G_elastic = NULL;
46 int M;
47
48 /*some constant parameters: */
49 parameters->AddObject(iomodel->CopyConstantObject(SealevelriseReltolEnum));
50 parameters->AddObject(iomodel->CopyConstantObject(SealevelriseAbstolEnum));
51 parameters->AddObject(iomodel->CopyConstantObject(SealevelriseMaxiterEnum));
52 parameters->AddObject(iomodel->CopyConstantObject(SealevelriseRigidEnum));
53 parameters->AddObject(iomodel->CopyConstantObject(SealevelriseElasticEnum));
54 parameters->AddObject(iomodel->CopyConstantObject(SealevelriseEustaticEnum));
55
56 /*love numbers: */
57 iomodel->FetchData(&love_h,&nl,NULL,SealevelriseLoveHEnum);
58 iomodel->FetchData(&love_k,&nl,NULL,SealevelriseLoveKEnum);
59
60 /*compute elastic green function for a range of angles*/
61 const IssmDouble degacc=.01; M=reCast<int>(180/degacc+1);
62 G_elastic=xNew<IssmDouble>(M);
63
64 /*compute combined legendre + love number (elastic green function:*/
65 for(int i=0;i<M;i++){ //watch out the <=
66 IssmDouble alpha,x;
67 alpha= reCast<IssmDouble>(i)*degacc * PI / 180.0;
68
69 G_elastic[i]= (love_k[nl-1]-love_h[nl-1])/2.0/sin(alpha/2.0);
70 for (int n=0;n<nl;n++) {
71 IssmDouble Pn,Pn1,Pn2;
72 IssmDouble deltalove;
73
74 deltalove = (love_k[n]-love_k[nl-1]-love_h[n]+love_h[nl-1]);
75
76 if(n==0)Pn=1;
77 else if(n==1)Pn=cos(alpha);
78 else Pn= ( (2*n-1)*cos(alpha)*Pn1 - (n-1)*Pn2 ) /n;
79 Pn2=Pn1; Pn1=Pn;
80
81 G_elastic[i] += deltalove*Pn;
82 }
83 }
84 parameters->AddObject(new DoubleVecParam(SealevelriseGElasticEnum,G_elastic,M));
85
86 /*free ressources:*/
87 xDelete<IssmDouble>(G_elastic);
88
89 /*free ressources: */
90 xDelete<IssmDouble>(love_h);
91 xDelete<IssmDouble>(love_k);
92 xDelete<IssmDouble>(G_elastic);
93
94}/*}}}*/
95
96/*Finite Element Analysis*/
97void SealevelriseAnalysis::Core(FemModel* femmodel){/*{{{*/
98 _error_("not implemented");
99}/*}}}*/
100ElementVector* SealevelriseAnalysis::CreateDVector(Element* element){/*{{{*/
101 /*Default, return NULL*/
102 return NULL;
103}/*}}}*/
104ElementMatrix* SealevelriseAnalysis::CreateJacobianMatrix(Element* element){/*{{{*/
105_error_("Not implemented");
106}/*}}}*/
107ElementMatrix* SealevelriseAnalysis::CreateKMatrix(Element* element){/*{{{*/
108 _error_("not implemented yet");
109}/*}}}*/
110ElementVector* SealevelriseAnalysis::CreatePVector(Element* element){/*{{{*/
111_error_("not implemented yet");
112}/*}}}*/
113void SealevelriseAnalysis::GetSolutionFromInputs(Vector<IssmDouble>* solution,Element* element){/*{{{*/
114 _error_("not implemented yet");
115}/*}}}*/
116void SealevelriseAnalysis::GradientJ(Vector<IssmDouble>* gradient,Element* element,int control_type,int control_index){/*{{{*/
117 _error_("Not implemented yet");
118}/*}}}*/
119void SealevelriseAnalysis::InputUpdateFromSolution(IssmDouble* solution,Element* element){/*{{{*/
120 _error_("not implemented yet");
121}/*}}}*/
122void SealevelriseAnalysis::UpdateConstraints(FemModel* femmodel){/*{{{*/
123 /*Default, do nothing*/
124 return;
125}/*}}}*/
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