#---------------------------------------------- # Initialize a Teapot-Style PTC lattice #---------------------------------------------- PTC_File = "SIS_18_BENCHMARK.flt" Lattice = PTC_Lattice("MACHINE") Lattice.readPTC(PTC_File) readScriptPTC('Input/time.ptc') paramsDict = {} paramsDict["length"]=Lattice.getLength()/Lattice.nHarm #---------------------------------------------- # Add apertures #---------------------------------------------- position = 0 for node in Lattice.getNodes(): myaperturenode = TeapotApertureNode(1, 10, 10, position) node.addChildNode(myaperturenode, node.ENTRANCE) node.addChildNode(myaperturenode, node.BODY) node.addChildNode(myaperturenode, node.EXIT) position += node.getLength() #---------------------------------------------- # Add the main bunch and lost particles bunch #---------------------------------------------- bunch = Bunch() setBunchParamsPTC(bunch) from simulation_parameters import parameters as p p['harmonic_number'] = Lattice.nHarm p['phi_s'] = 0
print ' betax0: \t\t', Lattice.betax0, 'm' print ' alphay0: \t\t', Lattice.alphay0 print ' betay0: \t\t', Lattice.betay0, 'm' print ' Dx0: \t\t\t', Lattice.etax0, 'm' print ' Dpx0: \t\t', Lattice.etapx0, 'm' print ' harm. number: \t', Lattice.nHarm print ' nodes: \t\t', Lattice.nNodes #---------------------------------------------- # Add apertures #---------------------------------------------- position = 0 pos_start = 0 pos_stop = Lattice.getLength() n = 0 for node in Lattice.getNodes(): (node_pos_start, node_pos_stop) = Lattice.getNodePositionsDict()[node] print "node number=", n, "node=", node.getName(), " type=", node.getType( ), " pos=", node_pos_start, " L=", node.getLength( ), " end=", node_pos_start + node.getLength() myaperturenode = TeapotApertureNode(1, 10, 18, position) node.addChildNode(myaperturenode, node.EXIT) position += node.getLength() n += 1 #---------------------------------------------- # Add the main bunch and lost particles bunch #---------------------------------------------- print '\nAdding main bunch ...' Intensity = 170e+10 m0 = mass_proton # protons ...