1{ 2 "Name": "M113 BandANCF TrackAssembly Left", 3 "Type": "TrackAssembly", 4 "Template": "TrackAssemblyBandANCF", 5 6 "Sprocket": { 7 "Input File": "M113/sprocket/M113_SprocketBand_Left.json", 8 "Location": [ 0, 0, 0 ] 9 }, 10 11 "Brake": { 12 "Input File": "M113/brake/M113_TrackBrakeSimple.json" 13 }, 14 15 "Idler": { 16 "Input File": "M113/idler/M113_DoubleIdler_Left.json", 17 "Location": [ -3.83, 0, -0.12 ] 18 }, 19 20 "Suspension Subsystems": [ 21 { 22 "Input File": "M113/suspension/M113_LinearDamperSuspension_Left.json", 23 "Has Shock": true, 24 "Location": [ -0.655, 0, -0.215 ] 25 }, 26 27 { 28 "Input File": "M113/suspension/M113_LinearDamperSuspension_Left.json", 29 "Has Shock": true, 30 "Location": [ -1.322, 0, -0.215 ] 31 }, 32 33 { 34 "Input File": "M113/suspension/M113_LinearDamperSuspension_Left.json", 35 "Has Shock": false, 36 "Location": [ -1.989, 0, -0.215 ] 37 }, 38 39 { 40 "Input File": "M113/suspension/M113_LinearDamperSuspension_Left.json", 41 "Has Shock": false, 42 "Location": [ -2.656, 0, -0.215 ] 43 }, 44 45 { 46 "Input File": "M113/suspension/M113_LinearDamperSuspension_Left.json", 47 "Has Shock": true, 48 "Location": [ -3.322, 0, -0.215 ] 49 } 50 ], 51 52 "Track Shoes": { 53 "Input File": "M113/track_shoe/M113_TrackShoeBandANCF.json", 54 "Number Shoes": 105 55 }, 56 57 "Layer Materials": { 58 "Steel": { 59 "Density": 7900.0, 60 "E": [ 210.0e9, 210.0e9, 210.0e9 ], 61 "nu": [ 0.3, 0.3, 0.3 ], 62 "G": [ 80.769e9, 80.769e9, 80.769e9 ] 63 }, 64 "Rubber": { 65 "Density": 1100.0, 66 "E": [ 1e7, 1e7, 1e7 ], 67 "nu": [ 0.3, 0.3, 0.3 ], 68 "G": [ 3.3557e6, 3.3557e6, 3.3557e6 ] 69 }, 70 "Ply Angles": [ 0, 0, 0 ], 71 "Structural Damping Coefficient": 0.05 72 }, 73 74 "Mesh Contact Material": { 75 "Coefficient of Friction": 0.8, 76 "Coefficient of Restitution": 0.1, 77 78 "Properties": { 79 "Young Modulus": 1e7, 80 "Poisson Ratio": 0.3 81 }, 82 83 "Coefficients": { 84 "Normal Stiffness": 2e5, 85 "Normal Damping": 40.0, 86 "Tangential Stiffness": 2e5, 87 "Tangential Damping": 20.0 88 } 89 } 90 91} 92