//_____________________________________________________________________________
AliPIPEv4::AliPIPEv4():
- fRmax(1.98), // outer radius of Be beam pipe
- fBe(0.08), // width of Be beam pipe
- fZ1(50.), // beginning of beam pipe z location (A side)
- fZ2(-57.25), // end of Be beam pipe z location (C side)
- fZ3(-82.) // end of beam pipe z location (C side)
+ fRmax(1.8), // outer radius of Be beam pipe
+ fBe(0.08), // width of Be beam pipe
+ fZ1(44.4), // beginning of Be beam pipe z location (A side)
+ fZ2(-44.4) // end of Be beam pipe z location (C side)
{
// Constructor
}
//_____________________________________________________________________________
AliPIPEv4::AliPIPEv4(const char *name, const char *title)
: AliPIPE(name,title),
- fRmax(1.98), // outer radius of Be beam pipe
- fBe(0.08), // width of Be beam pipe
- fZ1(50.), // beginning of beam pipe z location (A side)
- fZ2(-57.25), // end of Be beam pipe z location (C side)
- fZ3(-82.) // end of Steel beam pipe z location (C side)
+ fRmax(1.8), // outer radius of Be beam pipe
+ fBe(0.08), // width of Be beam pipe
+ fZ1(44.4), // beginning of beam pipe z location (A side)
+ fZ2(-44.4) // end of Be beam pipe z location (C side)
{
// Constructor
}
-//_____________________________________________________________________________
-AliPIPEv4::AliPIPEv4(const char *name, const char *title, const Float_t rmax, const Float_t width)
- : AliPIPE(name,title),
- fRmax(rmax), // outer radius of Be beam pipe
- fBe(width), // width of Be beam pipe
- fZ1(50.), // beginning of beam pipe z location (A side)
- fZ2(-57.25), // end of Be beam pipe z location (C side)
- fZ3(-82.) // end of Steel beam pipe z location (C side)
-{
- // Constructor
-}
-
-//_____________________________________________________________________________
-AliPIPEv4::AliPIPEv4(const char *name, const char *title, const Float_t rmax, const Float_t width, const Float_t z2)
- : AliPIPE(name,title),
- fRmax(rmax), // outer radius of Be beam pipe
- fBe(width), // width of Be beam pipe
- fZ1(50.), // beginning of beam pipe z location (A side)
- fZ2(z2), // end of Be beam pipe z location (C side)
- fZ3(-82.) // end of Steel beam pipe z location (C side)
-{
- // Constructor
-}
-
//___________________________________________
void AliPIPEv4::CreateGeometry()
//const TGeoMedium* kMedKapton = gGeoManager->GetMedium("PIPE_KAPTON");
//const TGeoMedium* kMedAco = gGeoManager->GetMedium("PIPE_ANTICORODAL");
//const TGeoMedium* kMedNEG = gGeoManager->GetMedium("PIPE_NEG COATING");
- //const TGeoMedium* kMedAlu = gGeoManager->GetMedium("PIPE_ALU"); //FM
- //const TGeoMedium* kMedAlu5083 = gGeoManager->GetMedium("PIPE_AA5083"); //FM
- const TGeoMedium* kMedAlu2219 = gGeoManager->GetMedium("PIPE_AA2219"); //FM
-
+ //const TGeoMedium* kMedAlu = gGeoManager->GetMedium("PIPE_ALU"); // fm
+ const TGeoMedium* kMedAlu2219 = gGeoManager->GetMedium("PIPE_AA2219"); // fm
+ const TGeoMedium* kMedAlu5083 = gGeoManager->GetMedium("PIPE_AA5083"); // fm
+
// Top volume
TGeoVolume* top = gGeoManager->GetVolume("ALIC");
//
*/
-
//////////////////// NEW BEAM PIPE GEOMETRY FOR MuonForwardTracker , Author: F. Manso /////////////////////////
+ // from https://twiki.cern.ch/twiki/pub/ALICE/MinutesMecanicsIntegration/Minutes_MFT_meeting_BeamPipe_2013_05_13.pdf
+ //------------------------------------------------ Pipe version 4.6 june 2013 -------------------------------------
- /*
- //-------------------------------- New ITS L0 layer --------------------------------//
- // Silicon L0
- TGeoPcon* itsL0si = new TGeoPcon(0., 360., 2);
-
- // 50 microns silicium
- Float_t wSilicium=0.005;
- // Internal radius
- Float_t radiusL0=2.20;
-
- itsL0si->DefineSection(0, 21./2., radiusL0, radiusL0 + wSilicium);
- itsL0si->DefineSection(1,-21./2., radiusL0, radiusL0 + wSilicium);
- TGeoVolume* voitsL0si = new TGeoVolume("voitsL0si",itsL0si,kMedSi);
-
- // 36 microns of Copper
- TGeoPcon* itsL0cu = new TGeoPcon(0., 360., 2);
- itsL0cu->DefineSection(0, 21./2., radiusL0 + wSilicium, radiusL0 + wSilicium + 0.0036);
- itsL0cu->DefineSection(1,-21./2., radiusL0 + wSilicium, radiusL0 + wSilicium + 0.0036);
- TGeoVolume* voitsL0cu = new TGeoVolume("voitsL0cu",itsL0cu,kMedCu);
-
- top->AddNode(voitsL0si,1,new TGeoTranslation(0., 0., 0.));
- top->AddNode(voitsL0cu,1,new TGeoTranslation(0., 0., 0.));
- //----------------------------------------------------------------------------------//
- */
-
-
- //--------------- Cylindrical beam pipe -------------
+ Float_t fztube1=fZ2;
+ Float_t fztube2=fZ2+(-15.53-2.0);
+ Float_t fztube3=fztube2+(-1.3);
+ Float_t fztube4=fztube3+(-1.3-3.8);
+ Float_t fztube5=fztube4+(-4.0-3.8);
+ Float_t fzadapt=fztube5+(-1.3);
+ //---------------- Be pipe around the IP ----------
TGeoPcon* tube0 = new TGeoPcon(0., 360., 2);
tube0->DefineSection(0,fZ1,fRmax-fBe,fRmax);
tube0->DefineSection(1,fZ2,fRmax-fBe,fRmax);
votube0->SetLineColor(kRed);
top->AddNode(votube0,1,new TGeoTranslation(0., 0., 0.));
- // -------------- Vaccum ----------------
TGeoPcon* tube0vide = new TGeoPcon(0., 360., 2);
tube0vide->DefineSection(0,fZ1, 0.,fRmax-fBe);
tube0vide->DefineSection(1,fZ2, 0.,fRmax-fBe);
TGeoVolume* votube0vide = new TGeoVolume("votube0vide",tube0vide,kMedVac);
- votube0vide->SetVisibility(0);
+ votube0vide->SetVisibility(0);votube0vide->SetLineColor(kGreen);
top->AddNode(votube0vide,1,new TGeoTranslation(0., 0., 0.));
+ //-------------------------------------------------
- TGeoPcon* tube12vide = new TGeoPcon(0., 360., 2);
- tube12vide->DefineSection(0,fZ2, 0.,fRmax-fBe);
- tube12vide->DefineSection(1,fZ3+9.0, 0.,fRmax-fBe);
- TGeoVolume* votube12vide = new TGeoVolume("votube12vide",tube12vide,kMedVac);
- votube12vide->SetVisibility(0);
- top->AddNode(votube12vide,1,new TGeoTranslation(0., 0., 0.));
-
- TGeoPcon* adaptatorVide = new TGeoPcon(0., 360., 3);
- adaptatorVide->DefineSection(0,fZ3+9.0, 0., fRmax-fBe);
- adaptatorVide->DefineSection(1,fZ3+1.4, 0., 3.0-fBe);
- adaptatorVide->DefineSection(2,fZ3 , 0., 3.0-fBe);
- TGeoVolume* voadaptatorVide = new TGeoVolume("voadaptatorVide",adaptatorVide,kMedVac);
- voadaptatorVide->SetVisibility(0);
- top->AddNode(voadaptatorVide,1,new TGeoTranslation(0., 0., 0.));
-
- // -------------- End Vaccum ------------
-
- // -------------- Bellows --------------
- Float_t plieradius = (3.8 + (2. * 7 - 2.) * 0.03) / (4. * 7); // radius of bellows "plis"
- Float_t dzbellow1=2.0; // distance between the start of the aluminium beam pipe and the first bellows
- Float_t dzbellow2=4.0; // distance between the 2 bellows
- //--------------------------------------
//---------------- First Al tube ------------------
TGeoPcon* tube1 = new TGeoPcon(0., 360., 2);
- tube1->DefineSection(0,fZ2, fRmax-fBe,fRmax);
- tube1->DefineSection(1,fZ2-dzbellow1+1.5*plieradius, fRmax-fBe,fRmax);
+ tube1->DefineSection(0,fztube1, fRmax-fBe,fRmax);
+ tube1->DefineSection(1,fztube1+(-15.53-2.0),fRmax-fBe,fRmax);
TGeoVolume* votube1 = new TGeoVolume("votube1",tube1,kMedAlu2219);
votube1->SetLineColor(kBlue);
top->AddNode(votube1,1,new TGeoTranslation(0., 0., 0.));
+ TGeoPcon* tube1vide = new TGeoPcon(0., 360., 2);
+ tube1vide->DefineSection(0,fZ2, 0.,fRmax-fBe);
+ tube1vide->DefineSection(1,fZ2+(-15.53-2.0), 0.,fRmax-fBe);
+ TGeoVolume* votube1vide = new TGeoVolume("votube1vide",tube1vide,kMedVac);
+ votube1vide->SetVisibility(0);votube1vide->SetLineColor(kGreen);
+ top->AddNode(votube1vide,1,new TGeoTranslation(0., 0., 0.));
//-------------------------------------------------
- // ------------------ Bellows 1 -----------------------
- TGeoVolume* vobellows1 = MakeBellow("bellows1", 7, 2.0, 2.665, 3.8, plieradius ,0.03);
- top->AddNode(vobellows1, 1, new TGeoTranslation(0., 0., fZ2-dzbellow1-(3.8)/2.));
- //------------------------------------------------------
-
- //------------- Second Al tube --------------
+ //----------- Conical Al tube before bellows ----------
TGeoPcon* tube2 = new TGeoPcon(0., 360., 2);
- tube2->DefineSection(0,fZ2-dzbellow1-3.8, fRmax-fBe,fRmax);
- tube2->DefineSection(1,fZ2-dzbellow1-3.8-dzbellow2+1.5*plieradius, fRmax-fBe,fRmax);
+ tube2->DefineSection(0,fztube2, fRmax-fBe,fRmax);
+ tube2->DefineSection(1,fztube2+(-1.3),2.15-fBe,2.15);
TGeoVolume* votube2 = new TGeoVolume("votube2",tube2,kMedAlu2219);
votube2->SetLineColor(kBlue);
top->AddNode(votube2,1,new TGeoTranslation(0., 0., 0.));
- //-------------------------------------------
-
- // ------------------ Bellows 2 -----------------------
- TGeoVolume* vobellows2 = MakeBellow("bellows2", 7, 2.0, 2.665, 3.8, plieradius ,0.03);
- top->AddNode(vobellows2, 1, new TGeoTranslation(0., 0., fZ2-dzbellow1-3.8-dzbellow2-3.8/2.));
+ TGeoPcon* tube2vide = new TGeoPcon(0., 360., 2);
+ tube2vide->DefineSection(0,fztube2, 0., fRmax-fBe);
+ tube2vide->DefineSection(1,fztube2+(-1.3), 0., 2.15-fBe);
+ TGeoVolume* votube2vide = new TGeoVolume("votube2vide",tube2vide,kMedVac);
+ votube2vide->SetVisibility(0);votube2vide->SetLineColor(kGreen);
+ top->AddNode(votube2vide,1,new TGeoTranslation(0., 0., 0.));
+ //-------------------------------------------------
- //-----------------------------------------------------
- //------------- Conical adaptator -------------
- TGeoPcon* adaptator = new TGeoPcon(0., 360., 6);
- adaptator->DefineSection(0,fZ2-dzbellow1-3.8-dzbellow2-3.8, fRmax-fBe,fRmax);
- adaptator->DefineSection(1,fZ3+9.0, fRmax-fBe ,fRmax);
- adaptator->DefineSection(2,fZ3+9.0, fRmax-fBe, fRmax);
- adaptator->DefineSection(3,fZ3+1.4, 3.0-fBe ,3.0);
- adaptator->DefineSection(4,fZ3+1.4, 3.0-fBe ,3.0);
- adaptator->DefineSection(5,fZ3, 3.0-fBe ,3.0);
+ //---------- Al tube before first bellow ----------
+ TGeoPcon* tube3 = new TGeoPcon(0., 360., 2);
+ tube3->DefineSection(0,fztube3, 2.15-fBe,2.15);
+ tube3->DefineSection(1,fztube3+(-1.3),2.15-fBe,2.15);
+ TGeoVolume* votube3 = new TGeoVolume("votube3",tube3,kMedAlu2219);
+ votube3->SetLineColor(kBlue);
+ top->AddNode(votube3,1,new TGeoTranslation(0., 0., 0.));
+ //-------------------------------------------------
+ //---------- Al tube between the bellows ----------
+ TGeoPcon* tube4 = new TGeoPcon(0., 360., 2);
+ tube4->DefineSection(0,fztube4, 2.15-fBe,2.15);
+ tube4->DefineSection(1,fztube4+(-4.0),2.15-fBe,2.15);
+ TGeoVolume* votube4 = new TGeoVolume("votube4",tube4,kMedAlu2219);
+ votube4->SetLineColor(kBlue);
+ top->AddNode(votube4,1,new TGeoTranslation(0., 0., 0.));
+ //-------------------------------------------------
+ //-------- Al tube after the second bellow --------
+ TGeoPcon* tube5 = new TGeoPcon(0., 360., 2);
+ tube5->DefineSection(0,fztube5, 2.15-fBe,2.15);
+ tube5->DefineSection(1,fztube5+(-1.3),2.15-fBe,2.15);
+ TGeoVolume* votube5 = new TGeoVolume("votube5",tube5,kMedAlu2219);
+ votube5->SetLineColor(kBlue);
+ top->AddNode(votube5,1,new TGeoTranslation(0., 0., 0.));
+ //-------------------------------------------------
+ //---- One empty tube inside tube3, tube4, tube5 and bellows -----
+ TGeoPcon* tube345vide = new TGeoPcon(0., 360., 2);
+ tube345vide->DefineSection(0,fztube3, 0., 2.15-fBe);
+ tube345vide->DefineSection(1,fztube5+(-1.3), 0., 2.15-fBe);
+ TGeoVolume* votube345vide = new TGeoVolume("votube345vide",tube345vide,kMedVac);
+ votube345vide->SetVisibility(0);votube345vide->SetLineColor(kGreen);
+ top->AddNode(votube345vide,1,new TGeoTranslation(0., 0., 0.));
+ //----------------------------------------------------------------
+
+
+ //----------- 15?? Conical adaptator + flange ----------
+ TGeoPcon* adaptator = new TGeoPcon(0., 360., 4);
+ adaptator->DefineSection(0,fzadapt, 2.15-fBe, 2.15);
+ adaptator->DefineSection(1,fzadapt+(-3.17), 3.0-fBe, 3.0);
+ adaptator->DefineSection(2,fzadapt+(-3.17), 3.0-fBe, 4.3);
+ adaptator->DefineSection(3,fzadapt+(-3.17-1.4), 3.0-fBe ,4.3);
TGeoVolume* voadaptator = new TGeoVolume("voadaptator",adaptator,kMedAlu2219);
voadaptator->SetLineColor(kBlue);
top->AddNode(voadaptator,1,new TGeoTranslation(0., 0., 0.));
- //---------------------------------------------
+ TGeoPcon* adaptatorvide = new TGeoPcon(0., 360., 4);
+ adaptatorvide->DefineSection(0,fzadapt, 0., 2.15-fBe);
+ adaptatorvide->DefineSection(1,fzadapt+(-3.17), 0., 3.0-fBe);
+ adaptatorvide->DefineSection(2,fzadapt+(-3.17), 0., 3.0-fBe);
+ adaptatorvide->DefineSection(3,fzadapt+(-3.17-1.4), 0., 3.0-fBe);
+ TGeoVolume* voadaptatorvide = new TGeoVolume("voadaptatorvide",adaptatorvide,kMedVac);
+ voadaptatorvide->SetVisibility(0);voadaptatorvide->SetLineColor(kGreen);
+ top->AddNode(voadaptatorvide,1,new TGeoTranslation(0., 0., 0.));
+ //------------------------------------------------------
- TGeoPcon* flange = new TGeoPcon(0., 360., 2);
- flange->DefineSection(0,fZ3+1.4, 3.0, 4.3);
- flange->DefineSection(1,fZ3+0.3, 3.0, 4.3);
- TGeoVolume* voflange = new TGeoVolume("voflange",flange,kMedAlu2219);
- voflange->SetLineColor(kBlue+3);
- top->AddNode(voflange,1,new TGeoTranslation(0., 0., 0.));
- // ------------- Inox ring --------------------
- TGeoPcon* ring = new TGeoPcon(0., 360., 2);
- ring->DefineSection(0,fZ3+0.3,3.0, 4.3);
- ring->DefineSection(1,fZ3, 3.0, 4.3);
- TGeoVolume* voring = new TGeoVolume("voring",ring,kMedSteel);
- voring->SetLineColor(kYellow);
- top->AddNode(voring,1,new TGeoTranslation(0., 0., 0.));
- //---------------------------------------------
+ // ------------------------- Bellows ----------------------------
- /////////////////////////// END NEW BEAM PIPE GEOMETRY /////////////////////////////
+ //Float_t plieradius = (3.72 + (2. * 7 - 2.) * 0.03) / (4. * 7); // radius of bellows "plis"
+ Float_t plieradius = 0.17; // radius of bellow plies
+
+
+ // ------------------ First Bellow --------------------
+ TGeoVolume* vobellows1 = MakeBellow("bellows1", 6, 2.15-fBe, 3.0, 3.8, plieradius ,0.03);
+ top->AddNode(vobellows1, 1, new TGeoTranslation(0., 0., fztube3+(-1.3-3.8/2. -0.31 +0.08)));
+ // Comments: removing 1/2 plie (see MakeBellow): 0.31= 2*0.17-0.03 and 0.08: free space
+
+ // small tube of the bellow 1 to cover the 0.08cm remaining space
+ TGeoPcon* bellowtube1 = new TGeoPcon(0., 360., 2);
+ bellowtube1->DefineSection(0,fztube4+(0.08), 2.15-0.03,2.15);
+ bellowtube1->DefineSection(1,fztube4,2.15-0.03,2.15);
+ TGeoVolume* vobellowtube1 = new TGeoVolume("vobellowtube1",bellowtube1,kMedAlu5083);
+ vobellowtube1->SetLineColor(kGreen);
+ top->AddNode(vobellowtube1,1,new TGeoTranslation(0., 0., 0.));
+ //------------------------------------------------------
+
+ // ------------------ Second Bellow --------------------
+ TGeoVolume* vobellows2 = MakeBellow("bellows2", 6, 2.15-fBe, 3.0, 3.8, plieradius ,0.03);
+ top->AddNode(vobellows2, 1, new TGeoTranslation(0., 0., fztube4+(-4.0-3.8/2. -0.31 +0.08)));
+ // small tube of the bellow 1
+ TGeoPcon* bellowtube2 = new TGeoPcon(0., 360., 2);
+ bellowtube2->DefineSection(0,fztube5+(0.08), 2.15-0.03,2.15);
+ bellowtube2->DefineSection(1,fztube5,2.15-0.03,2.15);
+ TGeoVolume* vobellowtube2 = new TGeoVolume("vobellowtube2",bellowtube2,kMedAlu5083);
+ vobellowtube2->SetLineColor(kGreen);
+ top->AddNode(vobellowtube2,1,new TGeoTranslation(0., 0., 0.));
+ //-----------------------------------------------------
+
+ /////////////////////////// END NEW BEAM PIPE GEOMETRY fOR MFT /////////////////////////////
/*
-
//
///////////////////
// CP/2 //
// dPlie Plie thickness
const TGeoMedium* kMedVac = gGeoManager->GetMedium("PIPE_VACUUM");
//const TGeoMedium* kMedSteel = gGeoManager->GetMedium("PIPE_INOX");
- const TGeoMedium* kMedAlu5083 = gGeoManager->GetMedium("PIPE_AA5083"); //FM
+ const TGeoMedium* kMedAlu5083 = gGeoManager->GetMedium("PIPE_AA5083"); //fm
char name[64], nameA[64], nameB[64], bools[64];
snprintf(name, 64, "%sBellowUS", ext);
TGeoCompositeShape* shUpperPlie = new TGeoCompositeShape(name, bools);
TGeoVolume* voWiggleU = new TGeoVolume(name, shUpperPlie, kMedAlu5083);
- voWiggleU->SetLineColor(kOrange+3); //FM
- //
+ voWiggleU->SetLineColor(kOrange); // fm
+
// Lower part of the undulation
TGeoTorus* shPlieTorusL = new TGeoTorus(rMin + rPlie, rPlie - dPlie, rPlie);
snprintf(nameA, 64, "%sTorusL", ext);
TGeoCompositeShape* shLowerPlie = new TGeoCompositeShape(name, bools);
TGeoVolume* voWiggleL = new TGeoVolume(name, shLowerPlie, kMedAlu5083);
- voWiggleL->SetLineColor(kOrange+3); //FM
- //
+ voWiggleL->SetLineColor(kOrange); // fm
+
// Connection between upper and lower part of undulation
snprintf(name, 64, "%sPlieConn1", ext);
TGeoVolume* voWiggleC1 = new TGeoVolume(name, new TGeoTube(rMin + rPlie, rMax - rPlie, dPlie/2.), kMedAlu5083);
- voWiggleC1->SetLineColor(kOrange+3); //FM
- //
+ voWiggleC1->SetLineColor(kOrange); // fm
+
// One wiggle
Float_t dz = rPlie - dPlie / 2.;
Float_t z0 = - dPlie / 2.;
asWiggle->AddNode(voWiggleL , 1 , new TGeoTranslation(0., 0., z0));
// Positioning of the volumes
z0 = - dU / 2.+ rPlie;
- voBellow->AddNode(voWiggleL, 2, new TGeoTranslation(0., 0., z0));
+ ////////////voBellow->AddNode(voWiggleL, 2, new TGeoTranslation(0., 0., z0)); removing the first 1/2 plie, fm
z0 += rPlie;
Float_t zsh = 4. * rPlie - 2. * dPlie;
for (Int_t iw = 0; iw < nc; iw++) {
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff