/PROP/TYPE36 (PREDIT)

Block Format Keyword Describes the predit property set. This is a beam-like spring element for spot welds modelization.

Format

(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)
/PROP/TYPE36/prop_ID/unit_ID or /PROP/PREDIT/prop_ID/unit_ID
prop_title
Iutyp                  
If Iutyp = 1
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)
Skew_ID prop_ID1 prop_ID2              
Xk                
If Iutyp = 2
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)
mat_ID                  
Area IXX IYY IZZ Ray

Definitions

Field Contents SI Unit Example
prop_ID Property identifier

(Integer, maximum 10 digits)

 
unit_ID Unit Identifier

(Integer, maximum 10 digits)

 
prop_title Property title

(Character, maximum 100 characters)

 
Iutyp Property type flag.
= 1
PREDIT type 1.
= 2
PREDIT type 2.

(Integer)

 
Skew_ID Skew identifier

(Integer)

 
prop_ID1 First property identifier

(Integer)

 
prop_ID2 Second property identifier

(Integer)

 
Xk Stiffness for interface

(Real)

[ N m ]
mat_ID Material identifier

(Integer)

 
Area Area

(Real)

[ m 2 ]
IXX Torsion section inertia IXX.

(Real)

[ m 4 ]
IYY Bending section inertia IYY.

(Real)

[ m 4 ]
IZZ Bending section inertia IZZ.

(Real)

[ m 4 ]
Ray Radius.
= 0
User defines the values: area, IXX, IYY, and IZZ.
0
Area and inertia are computed.

(Real)

[ m ]

Example

#RADIOSS STARTER
#---1----|----2----|----3----|----4----|----5----|----6----|----7----|----8----|----9----|---10----|
#-  1. LOCAL_UNIT_SYSTEM:
#---1----|----2----|----3----|----4----|----5----|----6----|----7----|----8----|----9----|---10----|
/UNIT/2
unit for prop
#              MUNIT               LUNIT               TUNIT
                  kg                   m                   s
#---1----|----2----|----3----|----4----|----5----|----6----|----7----|----8----|----9----|---10----|
/PROP/SPR_PRE/11/2
PRETENSIONNER
#                  M                               sensor_ID     Ilock
                 .05                                       1         0
#              Stif0                  F1                  D1                  E1               Stif1
              100000                   0                 .25                   0                   0
#funct_ID1 funct_ID2
         1         0
#---1----|----2----|----3----|----4----|----5----|----6----|----7----|----8----|----9----|---10----|
/SENSOR/TIME/1
pretentionner
#         Tdelay
                 0.1
#---1----|----2----|----3----|----4----|----5----|----6----|----7----|----8----|----9----|---10----|
/FUNCT/1
Loading force function vs displacement after sensor activation
#                  X                   Y
                  -1                   0                                                            
                 -.1                  95                                                            
                   0                 100                                                            
#---1----|----2----|----3----|----4----|----5----|----6----|----7----|----8----|----9----|---10----|
#ENDDATA

Comments

  1. The PREDIT type 2 is only used with Predit Material (/MAT/LAW54 (PREDIT)).
  2. A PREDIT type 2 must be reference by a PREDIT type 1: a spring cannot be associated to a PREDIT type 1 only.
  3. A PREDIT property type 1 can reference two PREDIT property type 2.