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Subsections


Example Model C1D2

This example illustrates the creation of a sagging cable which is then subjected to a frequency analysis.





  
Figure 9.3: Example Sagging Cable
\begin{figure}
\centerline{
\psfig {figure=ex3.ps,width=5.0in}
}\end{figure}

FEMGEN Commands for Model C1D2

          
 PROPERTY FE-PROG ABAQUS
 GEOMETRY POINT P1 0 
 GEOMETRY POINT P2 100
 GEOMETRY LINE P1   P2
 MESHING TYPE L1 BE2 4
 MESHING DIVISION LINE L1 10
 PROPERTY MATERIAL ELASTIC STEL 200E9  0.3 7860
 PROPERTY PHYSICAL THICKNES CROS 7.8525E-5
 PROPERTY ATTACH L1 STEL CROS 
 PROPERTY BOUNDARY CONSTRAINT P1 123
 PROPERTY BOUNDARY CONSTRAINT P2 123
 PROPERTY LOAD I-STRESS      1 L1 1.0E6 
 PROPERTY LOAD STEP-DEF      1 ALL 0 1
 PROPERTY LOAD PROC-DEF STAT 1 ALL 0.1 1
 PROPERTY LOAD GRAVITY       1 L1  -9.814 2
 PROPERTY LOAD STEP-DEF      2 ALL 0 1
 PROPERTY LOAD PROC-DEF FREQ 2 ALL 5 20
 MESHING GENERATE
 UTILITY WRITE ABAQUS c1d2.inp
 YES

ABAQUS Input Deck for Model C1D2

 
**********************************************
** ABAQUS 5.2 INPUT DECK                     *
** CREATED BY FEMGEN/FEMVIEW VERSION 2.305   *
** TRANSLATED BY FEMGEN-ABAQUS VERSION 3.000 *
** FILE CREATED: DATE 13/04/94 TIME 11:51:50 *
**********************************************
**
**********************************************
** BINARY RESULT FILE FORMAT SELECTED        *
** MESSAGE LOGGING IS OFF                    *
** DIALOG SESSION IS OFF                     *
** ABAQUS/Standard SELECTED                  *
** EXTERNAL MATERIAL DIRECTORY NOT USED      *
** EXTERNAL RESULT OUTPUT FILE NOT USED      *
**********************************************
**
*HEADING
FEMGEN MODEL C1D2   TRANSLATED BY PRE-ABAQUS 3.000 TITLE: No model title      
**
**********************************************
** MODEL DEFINITION ...                      *
**********************************************
**
*******************
** MODEL GEOMETRY *
*******************
**
*NODE, NSET=ALLNODE
         1, 0.0000000    , 0.0000000    , 0.0000000    
         2,  10.00000    , 0.0000000    , 0.0000000    
         3,  20.00000    , 0.0000000    , 0.0000000    
         4,  30.00000    , 0.0000000    , 0.0000000    
         5,  40.00000    , 0.0000000    , 0.0000000    
         6,  50.00000    , 0.0000000    , 0.0000000    
         7,  60.00000    , 0.0000000    , 0.0000000    
         8,  70.00000    , 0.0000000    , 0.0000000    
         9,  80.00000    , 0.0000000    , 0.0000000    
        10,  90.00000    , 0.0000000    , 0.0000000    
        11,  100.0000    , 0.0000000    , 0.0000000    
*ELEMENT, TYPE=C1D2    , ELSET=L1      
    1    1    2
    2    2    3
    3    3    4
    4    4    5
    5    5    6
    6    6    7
    7    7    8
    8    8    9
    9    9   10
   10   10   11
**
********************
** SET DEFINITIONS *
********************
**
*ELSET, ELSET=PHY1    
L1      ,
*ELSET, ELSET=ALL
PHY1    ,
**
*************************
** PROPERTY DEFINITIONS *
*************************
**
*SOLID SECTION, ELSET=PHY1     ,MATERIAL=STEL    
 0.7852501E-04,
**
*************************
** MATERIAL DEFINITIONS *
*************************
**
*MATERIAL, NAME=STEL    
*DENSITY
  7860.000    ,
*ELASTIC, TYPE=ISO
200.0E+09,0.300    ,0.000    
*EXPANSION, ZERO= 0.0000000    
 0.0000000    , 0.0000000    
**
**************************
** KINEMATIC CONSTRAINTS *
**************************
**
*NSET, NSET=P1      
    1
*BOUNDARY
P1      ,    1,    3
*NSET, NSET=P2      
   11
*BOUNDARY
P2      ,    1,    3
*INITIAL CONDITIONS, TYPE=STRESS
L1  , 0.100E+07, 0.000    , 0.000    , 0.000    , 0.000    , 0.000    
**
**********************************************
** HISTORY DEFINITION ...                    *
**********************************************
**
**********************************************
** FEMGEN LOADCASE     1 *
**************************
**
*STEP,INC=100,NLGEOM                                                            
*STATIC
 0.1000000    ,  1.000000    
*DLOAD, OP=MOD
L1       , GRAV,  -9.814000    , 0.0000000    ,  1.000000    , 0.0000000    
**
***************************
** RESULTS OUTPUT CONTROL *
***************************
**
*NODE FILE                                                                      
U,RF,CF                                                                         
*EL FILE, POSITION=AVERAGED AT NODES                                            
S,E                                                                             
*EL FILE, POSITION=NODES                                                        
S,E                                                                             
*EL FILE, POSITION=INTEGRATION POINTS                                           
S,COORD                                                                         
E,COORD                                                                         
ENER,COORD                                                                      
*END STEP
**
**********************************************
** FEMGEN LOADCASE     2 *
**************************
**
*STEP,INC=100,NLGEOM                                                            
*FREQUENCY
    5,  20.00000    
**
***************************
** RESULTS OUTPUT CONTROL *
***************************
**
*NODE FILE                                                                      
U                                                                               
*END STEP
**
**********************************************



Femsys Limited
9/9/1999