Home » Knowledge Base » Implicit » Yaris Dynamic Suspension System Loading
In this example we want to demonstrate the dynamic loading of the TOYOTA Yaris suspension system as an alternative approach to the static loading. The model is basically the same as the static suspension load, however this time it includes dynamic effects. This model was computed successfully with the LS-DYNA R9.0.1 MPP implicit solver. Again, we want to acknowledge the CCSA for the baseline model.
Keywords
*AIRBAG_SIMPLE_AIRBAG_MODEL_ID
*BOUNDARY_PRESCRIBED_MOTION_SET
*CONSTRAINED_EXTRA_NODES_SET
*CONSTRAINED_JOINT_CYLINDRICAL_ID
*CONSTRAINED_JOINT_REVOLUTE_ID
*CONSTRAINED_JOINT_SPHERICAL_ID
*CONSTRAINED_JOINT_STIFFNESS_GENERALIZED
*CONSTRAINED_JOINT_TRANSLATIONAL_ID
*CONSTRAINED_NODAL_RIGID_BODY
*CONSTRAINED_RIGID_BODIES
*CONSTRAINED_SPOTWELD
*CONTACT_AUTOMATIC_SINGLE_SURFACE_MORTAR_ID
*CONTACT_AUTOMATIC_SURFACE_TO_SURFACE_MORTAR_ID
*CONTACT_TIED_SHELL_EDGE_TO_SURFACE_ID
*CONTROL_ACCURACY
*CONTROL_BULK_VISCOSITY
*CONTROL_CONTACT
*CONTROL_ENERGY
*CONTROL_HOURGLASS
*CONTROL_IMPLICIT_AUTO
*CONTROL_IMPLICIT_DYNAMICS
*CONTROL_IMPLICIT_GENERAL
*CONTROL_IMPLICIT_SOLUTION
*CONTROL_IMPLICIT_SOLVER
*CONTROL_MPP_IO_NODUMP
*CONTROL_OUTPUT
*CONTROL_SHELL
*CONTROL_SOLID
*CONTROL_SOLUTION
*CONTROL_TERMINATION
*CONTROL_TIMESTEP
*DATABASE_ABSTAT
*DATABASE_BINARY_D3DUMP
*DATABASE_BINARY_D3PLOT
*DATABASE_DEFORC
*DATABASE_ELOUT
*DATABASE_EXTENT_BINARY
*DATABASE_FORMAT
*DATABASE_GLSTAT
*DATABASE_JNTFORC
*DATABASE_MATSUM
*DATABASE_NODOUT
*DATABASE_RBDOUT
*DATABASE_RCFORC
*DATABASE_SBTOUT
*DATABASE_SLEOUT
*DEFINE_CONNECTION_PROPERTIES
*DEFINE_COORDINATE_NODES
*DEFINE_CURVE
*DEFINE_SD_ORIENTATION
*DEFINE_TRANSFORMATION
*ELEMENT_BEAM
*ELEMENT_DISCRETE
*ELEMENT_MASS
*ELEMENT_SHELL
*ELEMENT_SOLID
*END
*INCLUDE
*INCLUDE_TRANSFORM
*KEYWORD
*LOAD_BODY_Z
*MAT_DAMPER_VISCOUS
*MAT_ELASTIC
*MAT_LOW_DENSITY_FOAM
*MAT_MODIFIED_PIECEWISE_LINEAR_PLASTICITY
*MAT_PIECEWISE_LINEAR_PLASTICITY
*MAT_RIGID
*MAT_SPOTWELD
*MAT_SPOTWELD_DAIMLERCHRYSLER
*MAT_SPRING_ELASTIC
*MAT_SPRING_NONLINEAR_ELASTIC
*NODE
*PARAMETER
*PART
*PART_CONTACT
*SECTION_BEAM
*SECTION_DISCRETE
*SECTION_SHELL
*SECTION_SOLID
*SET_NODE_LIST
*SET_PART_LIST
*TITLE
Animated Result
Main Input
*KEYWORD
$ ===============
$ PARAMETER cards
$ ===============
*PARAMETER
R tend 3.0
$ ===========================
$ DEFINE_TRANSFORMATION cards
$ ===========================
*DEFINE_TRANSFORMATION
1
TRANSL 0.0 0.0 50.0
$ =============
$ INCLUDE cards
$ =============
*INCLUDE_TRANSFORM
YarisD_V2g_shock_abs_load_01.k
0 0 0 0 0 0 0
0
0.0 0.0 0.0 0
1
*INCLUDE
fixed_ground.k
*INCLUDE
implicit_control_cards_R9.k
$ =============
$ CONTROL cards
$ =============
*CONTROL_IMPLICIT_AUTO
1 25 5 1.0E-2 -99 0.0 0 0
*CONTROL_IMPLICIT_DYNAMICS
1 0.55 0.28 0.0 0.0 0.0 2
$ ============
$ DEFINE cards
$ ============
*DEFINE_CURVE
$: X axis : Time (Units: Time)
$: Y axis : Maximum allowable timestep (Units: Time)
99 0 0.0 0.0 0.0 0.0 0
0.0 5.0000001E-2
1.0000000 5.0000001E-2
1.1000000 2.5000001E-2
1.5000000 2.5000001E-2
2.0000000 2.5000001E-2
3.0000000 2.5000001E-2
*DEFINE_CURVE
$: X axis : Time (Units: Time)
$: Y axis : Prescribed displacement (Units: Displacement)
100 0 0.0 0.0 0.0 0.0 0
0.0 0.0
100.00000 0.0
*DEFINE_CURVE
$: X axis : Time (Units: Time)
$: Y axis : Prescribed displacement (Units: Displacement)
101 0 0.0 0.0 0.0 0.0 0
0.0 0.0
1.0000000 1.0000000
100.00000 1.0000000
*DEFINE_CURVE
$: X axis : Time (Units: Time)
$: Y axis : Base Z acceleration (Units: Acceleration)
102 0 0.0 0.0 0.0 0.0 0
0.0 0.0
0.5000000 0.0
1.5000000 1.0000000
2.0000000 1.0000000
100.00000 1.0000000
$ ==============
$ BOUNDARY cards
$ ==============
*BOUNDARY_PRESCRIBED_MOTION_SET
100 1 2 100 0.0 0 0.0
$
$: SET_NODE 100 is in include file Camry_V1_ag06a_einfedern.k
100 2 2 100 0.0 0 1.1 0.0
$
$: SET_NODE 100 is in include file Camry_V1_ag06a_einfedern.k
100 3 2 101 -5.0 0 1.0 0.0
$
$: SET_NODE 100 is in include file Camry_V1_ag06a_einfedern.k
100 5 2 100 0.0 0 1.1 0.0
$
$: SET_NODE 100 is in include file Camry_V1_ag06a_einfedern.k
100 6 2 100 0.0 0 1.1 0.0
$
$: SET_NODE 100 is in include file Camry_V1_ag06a_einfedern.k
100 7 2 100 0.0 0 1.1 0.0
$: SET_NODE 100 is in include file Camry_V1_ag06a_einfedern.k
$ ==========
$ LOAD cards
$ ==========
*LOAD_BODY_Z
102 9810.0 0
$ =============
$ CONTACT cards
$ =============
*CONTACT_AUTOMATIC_SURFACE_TO_SURFACE_MORTAR_ID
100tires2ground
2000008 10000001 2 3 0 0 1 1
0.1 0.1 0.0 0.0 0.0 0 0.0 0.0
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
*SET_PART_LIST
2000008 0.0 0.0 0.0 0.0
2000487 2000211 2000490 2000367 2000488 2000360 2000363 2000489
*TITLE
CCSA TOYOTA Yaris DYNAMIC shock absorber loading
*END
Loadcase
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