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Fix in phase term of coils!

master
T-bone 8 years ago
parent
8fd8ae4e4f
commit
d294baa90f
7 changed files with 58 additions and 39 deletions
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  1. 3
    4
      examples/Coupling.cpp
  2. 12
    12
      examples/Interference.cpp
  3. 16
    10
      examples/KV0-3loops.cpp
  4. 5
    6
      examples/KernelV0.cpp
  5. 1
    1
      include/KernelV0.h
  6. 19
    5
      src/KernelV0.cpp
  7. 2
    1
      src/LoopInteractions.cpp

+ 3
- 4
examples/Coupling.cpp View File 

@@ -39,7 +39,6 @@ int main(int argc, char** argv) {
39 39 
 	auto earth = LayeredEarthEM::NewSP();
40 40 
 		earth->SetNumberOfLayers(3);
41 41 
 		earth->SetLayerConductivity( (VectorXcr(3) << Complex(0.,0), Complex(1./50.,0), Complex(1./100.)).finished() );
42 
-		//earth->SetLayerConductivity( (VectorXcr(3) << Complex(0.,0), Complex(1./7.,0), Complex(1./100.)).finished() );
43 42 
 		earth->SetLayerThickness( (VectorXr(1) << 10).finished() );
44 43 
         // Set mag field info
45 44 
         // From NOAA, Laramie WY, June 9 2016, aligned with mag. north
 
@@ -60,12 +59,12 @@ int main(int argc, char** argv) {
60 59 
         Kern->SetLayeredEarthEM( earth );
61 60
62 61 
         Kern->SetIntegrationSize( (Vector3r() << 50,200,20).finished() );
63 
-        Kern->SetIntegrationOrigin( (Vector3r() << 0,0,0.01).finished() );
64 
-        Kern->SetTolerance( 1e-12 ); // 1e-12
62 
+        Kern->SetIntegrationOrigin( (Vector3r() << 0,0,0.1).finished() );
63 
+        Kern->SetTolerance( 1e-7 ); // 1e-12
65 64
66 65 
     std::vector<std::string> tx = {std::string("Coil 1")};//,std::string("Coil 2")};
67 66 
     std::vector<std::string> rx = {std::string("Coil 2")};
68 
-    VectorXr Offsets = VectorXr::LinSpaced(30, 0.00, 45.0); // nbins, low, high
67 
+    VectorXr Offsets = VectorXr::LinSpaced(121, 0.00, 60.0); // nbins, low, high
69 68
70 69 
     auto outfile = std::ofstream("coupling.dat");
71 70 
     for (int ii=0; ii< Offsets.size(); ++ii) {

+ 12
- 12
examples/Interference.cpp View File 

@@ -22,8 +22,8 @@ using namespace Lemma;
22 22
23 23 
 static constexpr Real GAMMA = 2.67518e8;                  // MKS units
24 24
25 
-std::shared_ptr<PolygonalWireAntenna> CircularLoop ( int nd, Real radius, Real Offsetx, Real Offsety, Real wL ) ;
26 
-void MoveLoop( std::shared_ptr<PolygonalWireAntenna> Loop, int nd, Real Radius, Real Offsetx, Real Offsety, Real wL );
25 
+std::shared_ptr<PolygonalWireAntenna>       CircularLoop ( int nd, Real Radius, Real Offsetx, Real Offsety, Real wL, Real pol=1. ) ;
26 
+void MoveLoop( std::shared_ptr<PolygonalWireAntenna> Loop, int nd, Real Radius, Real Offsetx, Real Offsety, Real wL, Real pol=1. );
27 27
28 28 
 int main(int argc, char** argv) {
29 29 
     /*
 
@@ -50,8 +50,8 @@ int main(int argc, char** argv) {
50 50 
     Real Larmor = earth->GetMagneticFieldMagnitude()*GAMMA/(2*PI);
51 51
52 52 
     // Transmitter loops
53 
-    auto Tx1 = CircularLoop(21, 15, 50, 50, Larmor);
54 
-    auto Tx2 = CircularLoop(21, 15, 50, 50, Larmor); // initially coincident
53 
+    auto Tx1 = CircularLoop(21, 15, 50, 50, Larmor,  1);
54 
+    auto Tx2 = CircularLoop(21, 15, 50, 50, Larmor, -1); // initially coincident
55 55
56 56 
     auto Kern = LoopInteractions<INTERFERENCE>::NewSP();
57 57 
         Kern->PushCoil( "Coil 1", Tx1 );
 
@@ -59,16 +59,16 @@ int main(int argc, char** argv) {
59 59 
         Kern->SetLayeredEarthEM( earth );
60 60
61 61 
         Kern->SetIntegrationSize( (Vector3r()   << 50,200,50).finished() );
62 
-        Kern->SetIntegrationOrigin( (Vector3r() << 0,0,5.0).finished() );
63 
-        Kern->SetTolerance( 1e-3 ); // 1e-12
62 
+        Kern->SetIntegrationOrigin( (Vector3r() << 0, 0, 0.1).finished() );
63 
+        Kern->SetTolerance( 1e-5 ); // 1e-12
64 64
65 65 
     std::vector<std::string> tx = {std::string("Coil 1")};//,std::string("Coil 2")};
66 66 
     std::vector<std::string> rx = {std::string("Coil 2")};
67 67 
     VectorXr Offsets = VectorXr::LinSpaced(61, 0.00, 60.0); // nbins, low, high
68 68
69 
-    auto outfile = std::ofstream("interference.dat");
69 
+    auto outfile = std::ofstream("interference-opposed.dat");
70 70 
     for (int ii=0; ii< Offsets.size(); ++ii) {
71 
-        MoveLoop(Tx2, 21, 15, 50, 50 + Offsets(ii), Larmor);
71 
+        MoveLoop(Tx2, 21, 15, 50, 50 + Offsets(ii), Larmor, -1.);
72 72 
         #ifdef LEMMAUSEVTK
73 73 
         Complex coupling = Kern->Calculate( tx, rx, true );
74 74 
         #else
 
@@ -80,7 +80,7 @@ int main(int argc, char** argv) {
80 80 
     outfile.close();
81 81 
 }
82 82
83 
-std::shared_ptr<Lemma::PolygonalWireAntenna> CircularLoop ( int nd, Real Radius, Real Offsetx, Real Offsety, Real wL ) {
83 
+std::shared_ptr<Lemma::PolygonalWireAntenna> CircularLoop ( int nd, Real Radius, Real Offsetx, Real Offsety, Real wL, Real pol ) {
84 84
85 85 
     auto Tx1 = Lemma::PolygonalWireAntenna::NewSP();
86 86 
          Tx1->SetNumberOfPoints(nd);
 
@@ -88,7 +88,7 @@ std::shared_ptr<Lemma::PolygonalWireAntenna> CircularLoop ( int nd, Real Radius,
88 88 
     VectorXr range = VectorXr::LinSpaced(nd, 0, 2*PI);
89 89 
     int ii;
90 90 
     for (ii=0; ii<nd; ++ii) {
91 
-        Tx1->SetPoint(ii, Vector3r(Offsetx+Radius*std::cos(range(ii)), Offsety+Radius*std::sin(range(ii)),  -1e-3));
91 
+        Tx1->SetPoint(ii, Vector3r(Offsetx+Radius*std::cos(range(ii)), Offsety+pol*Radius*std::sin(range(ii)),  -1e-3));
92 92 
     }
93 93
94 94 
     Tx1->SetCurrent(1.);
 
@@ -99,14 +99,14 @@ std::shared_ptr<Lemma::PolygonalWireAntenna> CircularLoop ( int nd, Real Radius,
99 99 
     return Tx1;
100 100 
 }
101 101
102 
-void MoveLoop( std::shared_ptr<Lemma::PolygonalWireAntenna> Tx1, int nd, Real Radius, Real Offsetx, Real Offsety, Real wL ) {
102 
+void MoveLoop( std::shared_ptr<Lemma::PolygonalWireAntenna> Tx1, int nd, Real Radius, Real Offsetx, Real Offsety, Real wL, Real pol ) {
103 103
104 104 
     Tx1->SetNumberOfPoints(nd);
105 105
106 106 
     VectorXr range = VectorXr::LinSpaced(nd, 0, 2*PI);
107 107 
     int ii;
108 108 
     for (ii=0; ii<nd; ++ii) {
109 
-        Tx1->SetPoint(ii, Vector3r(Offsetx+Radius*std::cos(range(ii)), Offsety+Radius*std::sin(range(ii)),  -1e-3));
109 
+        Tx1->SetPoint(ii, Vector3r(Offsetx+Radius*std::cos(range(ii)), Offsety+pol*Radius*std::sin(range(ii)),  -1e-3));
110 110 
     }
111 111
112 112 
     Tx1->SetCurrent(1.);

+ 16
- 10
examples/KV0-3loops.cpp View File 

@@ -25,7 +25,7 @@ std::shared_ptr<PolygonalWireAntenna> CircularLoop ( int nd, Real radius, Real O
25 25 
 int main(int argc, char** argv) {
26 26
27 27 
     if (argc < 3) {
28 
-        std::cout << "./KVo-3loops  <offset>  <tolerance>" << std::endl;
28 
+        std::cout << "./KVo-3loops  <offset>  <tolerance> <rx>" << std::endl;
29 29 
         exit(0);
30 30 
     }
31 31 
 
@@ -40,12 +40,17 @@ int main(int argc, char** argv) {
40 40 
         // Set mag field info
41 41 
         // From NOAA, Laramie WY, June 9 2016, aligned with mag. north
42 42 
         earth->SetMagneticFieldIncDecMag( 67, 0, 52750, NANOTESLA );
43 
+        //earth->SetMagneticFieldIncDecMag( 90, 0, 52750, NANOTESLA );
44 
+        std::cout << "B0 " << earth->GetMagneticField( ).transpose() << std::endl;
45 
+        std::cout << "hat BO " << earth->GetMagneticFieldUnitVector().transpose() << std::endl ;
46 
+        std::cout << "hat |BO| " << earth->GetMagneticFieldUnitVector().norm() << std::endl ;
43 47
44 48 
     // Transmitter loops
45 
-    auto Tx1 = CircularLoop(21, 15, 100+offset/2., 100 - offset/2.);
46 
-    auto Tx2 = CircularLoop(21, 15, 100+offset/2., 100 + offset/2.); // 100, 115, 124.8, 130
47 
-    auto Tx3 = CircularLoop(21, 15, 100-offset/2., 100); // 100, 115, 124.8, 130
48 
-    //auto Tx1 = CircularLoop(60, 15, 0, 0); // was 60
49 
+    auto Tx1 = CircularLoop(21, 15, 100+offset/2., 100-offset/2.);
50 
+    auto Tx2 = CircularLoop(21, 15, 100+offset/2., 100+offset/2.);
51 
+    auto Tx3 = CircularLoop(21, 15, 100-offset/2., 100          );
52 
+
53 
+
49 54
50 55 
     auto Kern = KernelV0::NewSP();
51 56 
         Kern->PushCoil( "Coil 1", Tx1 );
 
@@ -85,10 +90,11 @@ int main(int argc, char** argv) {
85 90 
     // may be more natural to work with?
86 91 
     std::vector<std::string> tx = {std::string("Coil 1"), std::string("Coil 2"), std::string("Coil 3") };
87 92 
     std::vector<std::string> rx = {std::string("Coil 1"), std::string("Coil 2"), std::string("Coil 3") };
88 
-    //std::vector<std::string> rx = {std::string("Coil 1")};
93 
+    //std::vector<std::string> rx = {std::string("Coil 1"), std::string("Coil 2")};//, std::string("Coil 3") };
94 
+    //std::vector<std::string> rx = {std::string(argv[3])};
89 95 
     Kern->CalculateK0( tx, rx, true );
90 96
91 
-    std::ofstream dout = std::ofstream(std::string("k0-3Tx-RxCh1-")+ std::string(argv[1])+ std::string(".dat"));
97 
+    std::ofstream dout = std::ofstream(std::string("k0-3Tx-RxCh-") + std::string(argv[3]) + std::string("-tol") + std::string(argv[1])+ std::string(".dat"));
92 98 
     dout << "# Transmitters: ";
93 99 
     for (auto lp : tx) {
94 100 
         dout << lp << "\t";
 
@@ -109,10 +115,10 @@ int main(int argc, char** argv) {
109 115 
         dout << Kern->GetKernel().imag() << std::endl;
110 116 
         dout.close();
111 117
112 
-    std::ofstream out = std::ofstream(std::string("k0-3Tx-RxCh1-")+std::string(argv[1])+std::string(".yaml"));
118 
+    //std::ofstream out = std::ofstream(std::string("k0-3Tx-RxCh1-")+std::string(argv[1])+std::string(".yaml"));
113 119 
     //std::ofstream out = std::ofstream(std::string("k-coincident.yaml"));
114 
-    out << *Kern;
115 
-    out.close();
120 
+    //out << *Kern;
121 
+    //out.close();
116 122 
 }
117 123
118 124 
 std::shared_ptr<Lemma::PolygonalWireAntenna> CircularLoop ( int nd, Real Radius, Real Offsetx, Real Offsety ) {

+ 5
- 6
examples/KernelV0.cpp View File 

@@ -25,7 +25,6 @@ std::shared_ptr<PolygonalWireAntenna> CircularLoop ( int nd, Real radius, Real O
25 25 
 int main(int argc, char** argv) {
26 26
27 27 
     Real offset = atof(argv[1]);
28 
-        std::cout << offset << std::endl;
29 28
30 29 
 	auto earth = LayeredEarthEM::NewSP();
31 30 
 		earth->SetNumberOfLayers(3);
 
@@ -64,8 +63,8 @@ int main(int argc, char** argv) {
64 63 
         //Kern->SetPulseCurrent( VectorXr::LinSpaced( 1, 10, 200 )  ); // nbins, low, high
65 64 
         Kern->SetPulseCurrent( I ); // nbins, low, high
66 65
67 
-        //Kern->SetDepthLayerInterfaces( VectorXr::LinSpaced( 30, 3, 45.5 ) ); // nlay, low, high
68 
-        VectorXr interfaces = VectorXr::LinSpaced( 41, .5, 45.5 ); // nlay, low, high
66 
+        //VectorXr interfaces = VectorXr::LinSpaced( 41, .5, 45.5 ); // nlay, low, high
67 
+        VectorXr interfaces = VectorXr::LinSpaced( 51, .5, 45.5 ); // nlay, low, high
69 68 
         Real thick = .5;
70 69 
         for (int ilay=1; ilay<interfaces.size(); ++ilay) {
71 70 
             interfaces(ilay) = interfaces(ilay-1) + thick;
 
@@ -76,10 +75,10 @@ int main(int argc, char** argv) {
76 75 
     // We could, I suppose, take the earth model in here? For non-linear that
77 76 
     // may be more natural to work with?
78 77 
     std::vector<std::string> tx = {std::string("Coil 1"), std::string("Coil 2") };
79 
-    std::vector<std::string> rx = {std::string("Coil 1")};
78 
+    std::vector<std::string> rx = {std::string("Coil 2")};
80 79 
     Kern->CalculateK0( tx, rx, false );
81 80
82 
-    std::ofstream dout = std::ofstream(std::string("k-")+ std::string(argv[1])+ std::string(".dat"));
81 
+    std::ofstream dout = std::ofstream(std::string("k-Tx2coil-Rx1coil-offset-")+ std::string(argv[1])+ std::string(".dat"));
83 82 
     //std::ofstream dout = std::ofstream(std::string("k-coincident.dat"));
84 83 
         dout << interfaces.transpose() << std::endl;
85 84 
         dout << I.transpose() << std::endl;
 
@@ -89,7 +88,7 @@ int main(int argc, char** argv) {
89 88 
         dout << Kern->GetKernel().imag() << std::endl;
90 89 
         dout.close();
91 90
92 
-    std::ofstream out = std::ofstream(std::string("k-")+std::string(argv[1])+std::string(".yaml"));
91 
+    std::ofstream out = std::ofstream(std::string("k-Tx2coil-Rx1coil-offset-")+std::string(argv[1])+std::string(".yaml"));
93 92 
     //std::ofstream out = std::ofstream(std::string("k-coincident.yaml"));
94 93 
     out << *Kern;
95 94 
     out.close();

+ 1
- 1
include/KernelV0.h View File 

@@ -271,7 +271,7 @@ namespace Lemma {
271 271 
         int                                       ilay;
272 272 
         int                                       nleaves;
273 273 
         int                                       minLevel=4;
274 
-        int                                       maxLevel=8;
274 
+        int                                       maxLevel=10;
275 275
276 276 
         Real                                      VOLSUM;
277 277 
         Real                                      tol=1e-11;

+ 19
- 5
src/KernelV0.cpp View File 

@@ -281,14 +281,14 @@ namespace Lemma {
281 281
282 282 
         // Compute phase delay
283 283 
         // TODO add transmiiter current phase and delay induced apparent time phase!
284 
-        Complex PhaseTerm = EBR.bhat.dot(EBT.bhat) + (B0hat.dot(EBR.bhat.cross(EBT.bhat) ));
284 
+        Complex PhaseTerm = EBR.bhat.dot(EBT.bhat) + Complex(0, (B0hat.dot(EBR.bhat.cross(EBT.bhat))));
285 285 
         Complex ejztr = std::exp(Complex(0, EBR.zeta + EBT.zeta));
286 286
287 287 
         // Calcuate vector of all responses
288 288 
         VectorXcr F = VectorXcr::Zero( PulseI.size() );
289 289 
         for (int iq=0; iq<PulseI.size(); ++iq) {
290 290 
             // Compute the tipping angle
291 
-            Real sintheta = std::sin(0.5*GAMMA*PulseI(iq)*Taup*std::abs(EBT.alpha-EBT.beta));
291 
+            Real sintheta = std::sin(0.5*GAMMA*PulseI(iq)*Taup*(EBT.alpha-EBT.beta)); // why std::abs
292 292 
             F(iq) = -volume*Complex(0,Larmor)*Mn0Abs*(EBR.alpha+EBR.beta)*ejztr*sintheta*PhaseTerm;
293 293 
         }
294 294 
         return F;
 
@@ -412,7 +412,7 @@ namespace Lemma {
412 412 
         // implicit else, is a leaf
413 413 
         Kern.row(ilay) += ksum;
414 414 
         VOLSUM += 8.*vol;
415 
-        nleaves += 1;
415 
+        nleaves += 8; // reflects the number of kernel evaluations
416 416 
         return;     // is leaf
417 417 
     }
418 418 
 
@@ -425,7 +425,7 @@ namespace Lemma {
425 425 
         const VectorXcr& parentVal, vtkHyperOctree* oct, vtkHyperOctreeCursor* curse) {
426 426
427 427 
         std::cout << "\r" << (int)(1e2*VOLSUM/(Size[0]*Size[1]*Size[2])) << "\t" << nleaves;
428 
-        std::cout.flush();
428 
+        //std::cout.flush();
429 429
430 430 
         // Next level step, interested in one level below
431 431 
         // bitshift requires one extra, faster than, and equivalent to std::pow(2, level+1)
 
@@ -502,11 +502,25 @@ namespace Lemma {
502 502 
             }
503 503 
             return;  // not a leaf
504 504 
         }
505 
+        /* just stuff with sum of the kids and don't subdivide */
506 
+        /*
505 507 
         LeafDict[curse->GetLeafId()] = ksum/(8.*vol);
506 508 
         LeafDictIdx[curse->GetLeafId()] = nleaves;
509 
+        */
510 
+        /* Alternatively, subdivide the VTK octree here and stuff the children to make better
511 
+         * visuals, but also 8x the storage...
512 
+         */
513 
+        oct->SubdivideLeaf(curse);
514 
+        for (int ichild=0; ichild<8; ++ichild) {
515 
+            curse->ToChild(ichild);
516 
+            LeafDict[curse->GetLeafId()] = ksum/(8.*vol);
517 
+            LeafDictIdx[curse->GetLeafId()] = nleaves;
518 
+            curse->ToParent();
519 
+        }
520 
+
507 521 
         Kern.row(ilay) += ksum;
508 522 
         VOLSUM += 8*vol;
509 
-        nleaves += 1;
523 
+        nleaves += 8; // good reason to say 1 or 8 here...8 sounds better and reflects kernel evaluations
510 524 
         return;     // is a leaf
511 525 
     }
512 526

+ 2
- 1
src/LoopInteractions.cpp View File 

@@ -47,7 +47,8 @@ namespace Lemma {
47 47
48 48 
     template <>
49 49 
     Complex LoopInteractions<INTERFERENCE>::f( const Vector3r& r, const Real& volume, const Vector3cr& Ht, const Vector3cr& Hr ) {
50 
-        return volume * (1.-((Ht+Hr).norm()/(Hr.norm() + Ht.norm()))); // interference
50 
+        //return volume * (1.-((Ht+Hr).norm()/(Hr.norm() + Ht.norm()))); // normalized interference
51 
+        return volume * (Ht+Hr).norm();  // interference not normalized
51 52 
     }
52 53
53 54 
     template <>

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