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Appendix A: Vehicle model system schematics and data sets 471 Table A.23 Rear suspension bush data The following linear values are used to define the stiffness and damping in the bushes. For each bush data is listed as: K kx, ky, kz Stiffness (N/mm) KT ktx, kty, ktz Torsional stiffness (N mm/rad) C cx, cy, cz Damping (N s/mm) CT ctx, cty, ctz Torsional damping (N mm s/rad) REAR TRAILING LINK TO HUB BUSHES K 10 500, 10 500, 870 KT 2.8E5, 2.8E5, 67 500 C 1000, 1000, 100 CT 25 000, 25 000, 40 REAR TRAILING LINK TO BODY BUSH K 660, 660, 175 KT 260 300, 260 300, 40 000 C 100, 100, 50 CT 25 000, 25 000, 40 REAR UPPER DAMPER MOUNT K 540, 1300, 532 KT 58 915, 180 750, 670 C 200, 200, 70 CT 5800, 5800, 67 The following linear values are used to define the stiffness and damping in the bushes. For each bush data is listed as: K kx, ky, kz Stiffness (N/mm) KT ktx, kty, ktz Torsional stiffness (N mm/rad) C cx, cy, cz Damping (N s/mm) CT ctx, cty, ctz Torsional damping (N mm s/rad) REAR LOWER ARM TO BODY MOUNT K 10 800, 3420, 840 KT 790 000, 380 000, 400 C 1000, 400, 100 CT 88 000, 40 000, 40 REAR LOWER ARM TO HUB BUSH K 5540, 5540, 515 KT 210 540, 210 540, 400 C 800, 800, 50 CT 25 000, 25 000, 40
Appendix B: Fortran tyre model subroutines B.1 Interpolation tyre model subroutine SUBROUTINE TIRSUB (ID, TIME, T0, CPROP, TPROP, MPROP, & PAR, NPAR, STR, NSTR, DFLAG, & IFLAG, FSAE, TSAE, FPROP) C C This program is part of the CUTyre system - M Blundell, Feb 1997 C This version is based on an interpolation approach using measured C tyre test data which is include in SPLINE statements. The model is referred to as the C Limited version based on the limited testing where camber and slip are varied C independently. C C C The coefficients in the model assume the following units: C slip angle: degrees C camber angle: degrees C Fz (load): kg C Fy and Fx: N C Tz: Nm C C Note this subroutine is developed to not account for offsets C twice. The offsets are include for slip interpolation C but for camber the offset at zero camber is subtracted. C C Inputs: C INTEGER ID, NPAR, NSTR DOUBLE PRECISION TIME, T0 DOUBLE PRECISION CPROP(*), TPROP(*), MPROP(*), PAR(*) CHARACTER*80 STR(*) LOGICAL DFLAG, IFLAG, ERRFLG C C Outputs: C DOUBLE PRECISION FSAE(*), TSAE(*), FPROP(*), ARRAY(3) C C Local Variables: C DOUBLE PRECISION SLIP, ALPHA, DEFL, DEFLD DOUBLE PRECISION R2, CZ, CS, CA, CR, DZ, AMASS, WSPIN C DOUBLE PRECISION GAMMA,CG,RALPHA,RGAMMA,FZL, TZL,TZLA,TZLG DOUBLE PRECISION CFY,DFY,EFY,SHFY,SVFY,PHIFY,TZLG0, TZLG1
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Multibody Systems Approach to Vehic
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Multibody Systems Approach to Vehic
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Contents Preface Acknowledgements N
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Contents vii 4.10.1 Problem definit
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Contents ix 8.2.1 Active suspension
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Preface This book is intended to br
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Preface xiii vehicle design process
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Acknowledgements Mike Blundell In d
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Nomenclature xvii {z I } 1 Unit vec
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Nomenclature xix O n Frame for part
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Nomenclature xxi p Magnitude of re
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1 Introduction The most cost-effect
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Introduction 3 subsequent ‘classi
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Introduction 5 Fig. 1.4 Linearity:
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Introduction 7 While apparently a s
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Introduction 9 3. The body yaws (ro
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Introduction 11 Aspiration Definiti
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Introduction 13 Decomposition: Synt
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Introduction 15 The best multibody
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Introduction 17 shows good correlat
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Introduction 19 generated in numeri
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Introduction 21 1.9 Benchmarking ex
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2 Kinematics and dynamics of rigid
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Kinematics and dynamics of rigid bo
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3 Multibody systems simulation soft
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Multibody systems simulation softwa
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4 Modelling and analysis of suspens
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Modelling and analysis of suspensio
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Tyre characteristics and modelling
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Modelling and assembly of the full
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7 Simulation output and interpretat
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Simulation output and interpretatio
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down and even more difficult to asc
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Page 526 and 527: References 503 Blundell, M.V. The m
Page 528 and 529: References 505 Hudi, J. AMIGO - A m
Page 530 and 531: References 507 Palmer, D. Course no
Page 532 and 533: References 509 European ADAMS News
Page 534 and 535: Index Abuse loads, 148 3 g bump, 14
Page 536 and 537: Index 513 Elk Test, 1 El-Nasher, 29
Page 538 and 539: Index 515 generalised translational
Page 540 and 541: Index 517 steer axis inclination, 1
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