Adams Basic Package > Adams View > View Command Language > force > force create element_like friction

force create element_like friction

Format:

 
force create element_like friction
Friction_name =
new friction name
Adams_id =
geom._id
Comments =
string
Formulation =
string
Joint_name =
existing joint
Yoke =
i_yoke/j_yoke
Mu_static =
real
Mu_dynamic =
real
Reaction_arm =
real
Friction_arm =
real
Initial_overlap =
real
Pin_radius =
real
Ball_radius =
real
Bending_factor =
real
stiction_transition_velocity =
real
max_stiction_deformation =
real
friction_force_preload =
real
max_friction_force =
real
max_friction_torque =
real
transition_velocity_coefficient =
real
bristle_stiffness_coefficient =
real
damping_coefficient =
real
viscous_friction_coefficient =
real
velocity_threshold_stribeck =
real
decay_exponent_stribeck =
real
overlap_delta =
INCREASE/ DECREASE/ CONSTANT
effect =
ALL/ STICTION/ SLIDING
smooth =
real
torsional_moment =
on/off
bending_moment =
on/off
preload =
on/off
reaction_force =
on/off

Description:

 
Parameter
Value Type
Description
Friction_name
A new friction
 
Adams_id
Adams_id
 
Formulation
original/lugre
Specifies the friction formulation
comments
String
Specifies comments for the object being created or modified.
joint_name
Existing joint name
Specifies the translational, revolute, or cylindrical joint associated with this entity. Some entities constrain motion at, or are otherwise associated with, specific joints. You use this parameter to identify that joint.
yoke
I_yoke/J_yoke
 
mu_static
Real
Specifies a real number greater than zero.
mu_dynamic
Real
Specifies a real number greater than zero.
reaction_arm
Real
Specifies a real number greater than zero.
friction_arm
Real
Specifies a real number greater than zero.
initial_overlap
Real
 
pin_radius
Real
Specifies a real number greater than zero.
ball_radius
Real
Specifies a real number greater than zero.
bending_factor
Real
Specifies a real number greater than zero.
stiction_transition_velocity
Real
Specifies a real number greater than zero.
max_stiction_deformation
Real
Specifies a real number greater than zero.
friction_force_preload
Real
Specifies a real number greater than or equal to zero.
friction_torque_preload
Real
Specifies a real number greater than or equal to zero.
max_friction_force
Real
Specifies a real number greater than zero.
max_friction_torque
Real
Specifies a real number greater than zero.
transition_velocity_coefficient
Real
Specifies a real number greater than zero.
overlap_delta
INCREASE, DECREASE, CONSTANT
Can take the values INCREASE, DECREASE, CONSTANT
bristle_stiffness_coefficient
Real
Specifies a real number greater than zero.
damping_coefficient
Real
Specifies a real number greater than zero.
viscous_friction_coefficient
Real
Specifies a real number greater than zero.
velocity_threshold_stribeck
Real
Specifies a real number greater than zero.
decay_exponent_stribeck
Real
Specifies a real number greater than zero.
effect
ALL, STICTION, SLIDING
Specifies the friction effect required.
Smooth
Real
Specifies a real number greater than zero.
torsional_moment
On/Off
 
bending_moment
On/Off
 
preload
On/Off
 
reaction_force
On/Off
 

Extended Definition:

1. When you use the FILE Adams_DATA_SET WRITE command, Adams View writes an Adams data file for your model. Adams requires that each modeling element be identified by a unique integer identifier. If you use this parameter to specify a non-zero identifier, Adams View will use it in the corresponding statement in the Adams data file.
You may also enter zero as an identifier, either explicitly or by default. The next time you write an Adams file, Adams View will replace the zero with a unique, internally-generated identifier. Adams View will permanently store this identifier with the element just as if you had entered it yourself.
Normally, you would let all identifiers default to zero, and Adams View would generate the identifiers for you. You are never required to enter a non-zero identifier. You only need to specify it if, for some reason, you wish to control the Adams file output.
2. When an Adams Solver data file (.adm) is read into Adams View, all comments associated with a statement (from the end of the previous statement through the end of the current statement) are stored with the object. Comments in the data file can be associated with model. These comments must follow the title statement and be followed by the comment 'END OF MODEL COMMENTS'. This string must be uppercase.
When an Adams Solver data file is written, the comments for an object are written before the statement corresponding to the object.
3. You may identify a joint by typing its name or by picking it from the screen.
If the joint is not visible on the screen, you must type the name. You may also find it convenient to type the name even if the joint is displayed.
If you created the joint by reading an Adams data set or graphics file, the joint name is the letters JOI followed by the Adams data set joint ID number. For example, the name of Adams JOINT/101 is JOI101. If you created the joint during preprocessing, you will have given it a name at that time.
If a joint is available by default, you may identify it by entering only its name. If it is not, you must enter its full name. To identify a joint under a model, for instance, you may need to enter the model name as well. For example, you may specify joint 'lower_pivot' in model 'links' by entering ".links.lower_pivot". If you type a "?", Adams View will list the joints available by default.
You must separate multiple joint names by commas.
If the joint is visible in one of your views, you may identify it by picking on any of the graphics associated with it.
You need not separate multiple joint picks by commas.