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首页LS-DYNA 用户手册 Volume I R6.1.0
LS-DYNA 用户手册 Volume I R6.1.0
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"LS-DYNA_manual_Vol_I_R6.1.0.pdf" 是LS-DYNA软件的用户关键字手册第一卷,版本971 R6.1.0,由Livermore Software Technology Corporation (LSTC)发布。该手册发布于2012年8月,提供技术支持和销售联系方式,并包含版权声明和专利信息。
LS-DYNA是一款强大的非线性动态有限元分析软件,广泛应用于工程领域,如汽车碰撞、爆炸、结构动力学、材料破坏等复杂问题的模拟。关键词用户手册是用户理解和使用软件功能的重要参考文档,其中详细介绍了如何利用关键词输入来设置和控制计算模拟。
在LS-DYNA的手册中,可能会涵盖以下关键知识点:
1. **基本概念**: 介绍LS-DYNA的核心原理,包括有限元方法、非线性动力学分析、材料模型、接触算法等。
2. **关键词输入**: 描述如何通过特定的关键词来定义几何模型、材料属性、边界条件、荷载工况等。每个关键词都有详细的解释和使用示例。
3. **材料模型**: 详细列出LS-DYNA支持的各种材料模型,如弹性、塑性、黏弹性和热-机械耦合等,以及如何根据实际问题选择合适的模型。
4. **网格生成与处理**: 讨论如何创建和编辑有限元网格,包括不同类型的元素(如四边形单元、六面体单元等)及其适用场景。
5. **求解器与时间步进**: 解释LS-DYNA的数值求解策略,如隐式和显式求解器,以及时间步进控制。
6. **接触与碰撞**: 详述如何处理物体之间的接触和碰撞,包括接触类型、摩擦模型和碰撞检测算法。
7. **后处理与结果可视化**: 介绍如何使用LS-PrePost或其他工具进行结果后处理,包括如何查看、评估和分析计算得到的应变、应力、速度等数据。
8. **实例与应用**: 提供典型工程问题的案例研究,帮助用户了解如何实际操作和解决具体问题。
9. **错误与警告处理**: 提供常见错误和警告的解读,以及解决这些问题的建议。
10. **性能优化与并行计算**: 讨论如何利用多处理器或分布式计算资源进行大规模模拟,提高计算效率。
此外,手册还会包含软件的更新历史、技术支持信息和用户社区资源,帮助用户保持对最新版本特性的了解,并能及时获取帮助。由于LS-DYNA的复杂性和广泛的应用范围,这份手册是工程师和研究人员进行数值模拟工作的重要工具。

TABLE OF CONTENTS
14 LS-DYNA Version 971
*INTERFACE_SSI_{OPTION}_ID ........................................................................................ 25-30
*INTERFACE_SSI_AUX_{OPTION} ................................................................................... 25-34
*INTERFACE_SSI_AUX_EMBEDDED_{OPTION1}_{OPTION2} ................................... 25-35
*INTERFACE_SSI_STATIC_{OPTION}_ID ....................................................................... 25-37
*KEYWORD ............................................................................................................................................ 26-1
*LOAD ...................................................................................................................................................... 27-1
*LOAD_ALE_CONVECTION_{OPTION} ............................................................................ 27-3
*LOAD_BEAM_OPTION ......................................................................................................... 27-5
*LOAD_BLAST ........................................................................................................................ 27-7
*LOAD_BLAST_ENHANCED .............................................................................................. 27-10
*LOAD_BLAST_SEGMENT................................................................................................. 27-15
*LOAD_BLAST_SEGMENT_SET ....................................................................................... 27-16
*LOAD_BODY_OPTION ........................................................................................................ 27-17
*LOAD_BODY_GENERALIZED_OPTION ........................................................................ 27-22
*LOAD_BODY_POROUS ..................................................................................................... 27-25
*LOAD_BRODE ..................................................................................................................... 27-27
*LOAD_DENSITY_DEPTH .................................................................................................. 27-29
*LOAD_ERODING_PART_SET .......................................................................................... 27-31
*LOAD_GRAVITY_PART_{OPTION} ............................................................................... 27-33
*LOAD_HEAT_CONTROLLER .......................................................................................... 27-35
*LOAD_HEAT_GENERATION_OPTION ........................................................................... 27-36
*LOAD_MASK ....................................................................................................................... 27-38
*LOAD_MOTION_NODE ..................................................................................................... 27-40
*LOAD_MOVING_PRESSURE ........................................................................................... 27-42
*LOAD_NODE_OPTION ........................................................................................................ 27-44
*LOAD_REMOVE_PART_{OPTION} ................................................................................ 27-47
*LOAD_RIGID_BODY .......................................................................................................... 27-49
*LOAD_SEGMENT_{OPTION} ........................................................................................... 27-52
*LOAD_SEGMENT_NONUNIFORM_{OPTION} ............................................................. 27-56
*LOAD_SEGMENT_SET_{OPTION} ................................................................................... 27-59
*LOAD_SEGMENT_SET_ANGLE ...................................................................................... 27-61
*LOAD_SEGMENT_SET_NONUNIFORM_{OPTION} .................................................... 27-63
*LOAD_SEISMIC_SSI_OPTION1_{OPTION2} .................................................................. 27-65
*LOAD_SHELL_OPTION1_{OPTION2} .............................................................................. 27-69
*LOAD_SPCFORC ................................................................................................................. 27-72
*LOAD_SSA ............................................................................................................................ 27-73

TABLE OF CONTENTS
LS-DYNA Version 971 15
*LOAD_STEADY_STATE_ROLLING ............................................................................... 27-77
*LOAD_STIFFEN_PART_{OPTION} ................................................................................. 27-81
*LOAD_SUPERPLASTIC_FORMING ............................................................................... 27-83
*LOAD_THERMAL_OPTION .............................................................................................. 27-89
*LOAD_THERMAL_CONSTANT....................................................................................... 27-90
*LOAD_THERMAL_CONSTANT_ELEMENT_OPTION ................................................ 27-91
*LOAD_THERMAL_CONSTANT_NODE ......................................................................... 27-92
*LOAD_THERMAL_D3PLOT ............................................................................................. 27-93
*LOAD_THERMAL_LOAD_CURVE ................................................................................. 27-94
*LOAD_THERMAL_TOPAZ ............................................................................................... 27-95
*LOAD_THERMAL_VARIABLE ........................................................................................ 27-96
*LOAD_THERMAL_VARIABLE_BEAM_{OPTION} ...................................................... 27-98
*LOAD_THERMAL_VARIABLE_ELEMENT_OPTION................................................ 27-100
*LOAD_THERMAL_VARIABLE_NODE ........................................................................ 27-101
*LOAD_THERMAL_VARIABLE_SHELL_{OPTION} .................................................. 27-102
*LOAD_VOLUME_LOSS ................................................................................................... 27-104
*NODE ..................................................................................................................................................... 28-1
*NODE_{OPTION} ................................................................................................................... 28-2
*NODE_MERGE_SET ............................................................................................................. 28-4
*NODE_MERGE_TOLERANCE ........................................................................................... 28-5
*NODE_RIGID_SURFACE .................................................................................................... 28-6
*NODE_SCALAR_{OPTION} ................................................................................................. 28-7
*NODE_TRANSFORM............................................................................................................ 28-8
*PARAMETER ....................................................................................................................................... 29-1
*PARAMETER_{OPTION} ..................................................................................................... 29-2
*PARAMETER_DUPLICATION ........................................................................................... 29-4
*PARAMETER_EXPRESSION_{OPTION} ......................................................................... 29-5
*PART ...................................................................................................................................................... 30-1
*PART_{OPTION1}_{OPTION2}_{OPTION3}_{OPTION4}_{OPTION5} ......................... 30-2
*PART_ADAPTIVE_FAILURE ........................................................................................... 30-12
*PART_ANNEAL ................................................................................................................... 30-13
*PART_COMPOSITE_{OPTION} ........................................................................................ 30-14
*PART_DUPLICATE ............................................................................................................ 30-20
*PART_MODES ..................................................................................................................... 30-22
*PART_SENSOR .................................................................................................................... 30-26

TABLE OF CONTENTS
16 LS-DYNA Version 971
*PART_MOVE ........................................................................................................................ 30-27
*PERTURBATION ................................................................................................................................. 31-1
*PERTURBATION_OPTION................................................................................................... 31-2
*RAIL ....................................................................................................................................................... 32-1
*RAIL_TRACK ......................................................................................................................... 32-2
*RAIL_TRAIN .......................................................................................................................... 32-7
*RIGIDWALL ......................................................................................................................................... 33-1
*RIGIDWALL_GEOMETRIC_OPTION_{OPTION}_{OPTION}}_{OPTION} ................. 33-2
*RIGIDWALL_PLANAR_{OPTION}_{OPTION}_{OPTION} .......................................... 33-11
*SECTION ............................................................................................................................................... 34-1
*SECTION_ALE1D .................................................................................................................. 34-2
*SECTION_ALE2D .................................................................................................................. 34-4
*SECTION_BEAM_{OPTION} ................................................................................................ 34-5
*SECTION_BEAM_AISC ...................................................................................................... 34-20
*SECTION_DISCRETE ......................................................................................................... 34-22
*SECTION_POINT_SOURCE .............................................................................................. 34-25
*SECTION_POINT_SOURCE_MIXTURE ......................................................................... 34-28
*SECTION_SEATBELT ........................................................................................................ 34-34
*SECTION_SHELL_{OPTION} ............................................................................................ 34-35
*SECTION_SOLID_{OPTION} ............................................................................................ 34-50
*SECTION_SPH_{OPTION} ................................................................................................. 34-60
*SECTION_TSHELL ............................................................................................................. 34-63
*SENSOR ................................................................................................................................................. 35-1
*SENSOR_CONTROL ............................................................................................................. 35-3
*SENSOR_DEFINE_CALC-MATH ....................................................................................... 35-5
*SENSOR_DEFINE_ELEMENT_{OPTION} ........................................................................ 35-7
*SENSOR_DEFINE_FORCE .................................................................................................. 35-9
*SENSOR_DEFINE_NODE_{OPTION} .............................................................................. 35-11
*SENSOR_SWITCH ............................................................................................................... 35-13
*SENSOR_SWITCH_CALC-LOGIC ................................................................................... 35-14
*SET .......................................................................................................................................................... 36-1
*SET_BEAM_{OPTION} ......................................................................................................... 36-3
*SET_BEAM_ADD ................................................................................................................... 36-6
*SET_BEAM_INTERSECT..................................................................................................... 36-7

TABLE OF CONTENTS
LS-DYNA Version 971 17
*SET_DISCRETE_{OPTION} ................................................................................................. 36-8
*SET_DISCRETE_ADD ........................................................................................................ 36-11
*SET_MULTI-MATERIAL_GROUP_LIST ....................................................................... 36-12
*SET_NODE_{OPTION} ....................................................................................................... 36-14
*SET_NODE_ADD_{OPTION} ............................................................................................. 36-18
*SET_NODE_INTERSECT ................................................................................................... 36-20
*SET_PART_{OPTION} ........................................................................................................ 36-21
*SET_PART_ADD .................................................................................................................. 36-24
*SET_SEGMENT_{OPTION} ................................................................................................ 36-26
*SET_SEGMENT_ADD ......................................................................................................... 36-31
*SET_SEGMENT_INTERSECT .......................................................................................... 36-32
*SET_2D_SEGMENT_{OPTION} ........................................................................................ 36-33
*SET_SHELL_{OPTION} ...................................................................................................... 36-35
*SET_SHELL_ADD ............................................................................................................... 36-39
*SET_SHELL_INTERSECT ................................................................................................. 36-40
*SET_SOLID_{OPTION} ....................................................................................................... 36-41
*SET_SOLID_ADD ................................................................................................................ 36-44
*SET_SOLID_INTERSECT .................................................................................................. 36-45
*SET_TSHELL_{OPTION} ................................................................................................... 36-46
*TERMINATION ................................................................................................................................... 37-1
*TERMINATION_BODY ........................................................................................................ 37-2
*TERMINATION_CONTACT ............................................................................................... 37-3
*TERMINATION_CURVE ..................................................................................................... 37-4
*TERMINATION_DELETED_SHELLS_{OPTION} ........................................................... 37-5
*TERMINATION_DELETED_SOLIDS_{OPTION} ............................................................ 37-6
*TERMINATION_NODE ........................................................................................................ 37-7
*TERMINATION_SENSOR ................................................................................................... 37-8
*TITLE ..................................................................................................................................................... 38-1
*USER ...................................................................................................................................................... 39-1
*USER_INTERFACE_OPTION .............................................................................................. 39-1
*USER_LOADING ................................................................................................................... 39-3
*USER_LOADING_SET.......................................................................................................... 39-4
RESTART INPUT DATA ...................................................................................................................... 40-1
*CHANGE_OPTION ................................................................................................................. 40-3
*CONTROL_DYNAMIC_RELAXATION .......................................................................... 40-14

TABLE OF CONTENTS
18 LS-DYNA Version 971
*CONTROL_SHELL.............................................................................................................. 40-16
*CONTROL_TERMINATION ............................................................................................. 40-18
*CONTROL_TIMESTEP ...................................................................................................... 40-19
*DAMPING_GLOBAL .......................................................................................................... 40-20
*DATABASE_OPTION ........................................................................................................... 40-21
*DATABASE_BINARY_OPTION ......................................................................................... 40-23
*DELETE_OPTION ................................................................................................................ 40-24
*INTERFACE_SPRINGBACK_LSDYNA ........................................................................... 40-26
*RIGID_DEFORMABLE_OPTION ...................................................................................... 40-28
*RIGID_DEFORMABLE_CONTROL ................................................................................ 40-29
*RIGID_DEFORMABLE_D2R ............................................................................................. 40-30
*RIGID_DEFORMABLE_R2D ............................................................................................. 40-31
*STRESS_INITIALIZATION_{OPTION} ........................................................................... 40-32
*TERMINATION_OPTION ................................................................................................... 40-34
*TITLE ..................................................................................................................................... 40-36
REFERENCES ........................................................................................................................................ 41-1
APPENDIX A: USER DEFINED MATERIALS ................................................................................. 42-1
APPENDIX B: USER DEFINED EQUATION OF STATE ............................................................... 43-1
APPENDIX C: USER DEFINED ELEMENT INTERFACE FOR SOLIDS AND SHELLS .......... 44-1
APPENDIX D: USER DEFINED AIRBAG SENSOR ........................................................................ 45-1
APPENDIX E: USER DEFINED SOLUTION CONTROL ............................................................... 46-1
APPENDIX F: USER DEFINED INTERFACE CONTROL ............................................................. 47-1
APPENDIX G: USER DEFINED INTERFACE FRICTION AND CONDUCTIVITY .................. 48-1
APPENDIX H: USER DEFINED THERMAL MATERIAL MODEL.............................................. 49-1
APPENDIX I: OCCUPANT SIMULATION INCLUDING THE COUPLING TO PROGRAMS CAL3D
AND MADYMO ...................................................................................................................................... 50-1
INTRODUCTION ..................................................................................................................... 50-1
THE LS-DYNA/OCCUPANT SIMULATION PROGRAM LINK ...................................... 50-1
DUMMY MODELING ............................................................................................................. 50-3
AIRBAG MODELING ............................................................................................................. 50-4
KNEE BOLSTER ...................................................................................................................... 50-5
COMMON ERRORS ................................................................................................................ 50-5
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