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Finite Element Analysis in Structural Mechanics

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en:example:nlin:5:1

Quadrilaterals, PRESS7K1

Problem

Mesh

element type nodes
1 7 1 3 4 2 26 28 27 25
2 7 3 5 6 4 29 31 30 28
3 7 5 7 8 6 32 34 33 31
4 7 7 9 10 8 35 37 36 34
5 7 9 11 12 10 38 40 39 37
6 7 13 15 16 14 42 44 43 41
7 7 15 17 18 16 45 47 46 44
8 7 17 19 20 18 48 50 49 47
9 7 19 21 22 20 51 53 52 50
10 7 21 23 24 22 54 56 55 53

Boundary conditions

$v=0$ at nodes 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 26, 29, 32 35, 38, 42, 45, 48, 51, 54

Contact surface A: element 5 face S2
Contact surface B: element 6 face S4

Solution

The loading is modeled by an overlap of two FE meshes.

press7k1.bat
rmd2 press7k1.i1
rpd2 press7k1.i2
srh2 press7k1.i3
fefs press7k1.i4
hpp2 press7k1.iP
hpls press7k1.iL1
hpls press7k1.iL2
str2 press7k1.i5

Input

press7k1.i1
;  NELEM NNOD ITED  ...  KSS
IP   10   56    7   6*0   2
;  CRIT SCALE THDEF
RP 1.01   1    0.01
XY N 1:24 X 2*0.0 2*0.1 2*0.2 2*0.3 2*0.4 2*0.50066667
            2*0.5 2*0.6 2*0.7 2*0.8 2*0.9 2*1.0
          Y 12*(0 0.1)
EL E 1:10 N =A 1 3 4 2 =A =B 26 28 27 25 =B
            =2A =3B =4A =6B =6A =9B =8A =12B
            =12A =16B =14A =19B =16A =22B =18A =25B =20A =28B
EN
EN
press7k1.i2
;  KREST
IP   1
         ; E    α ν   ρ
MP 1 T 1 V 2e11 0 0.3 0
SV 1 T 10 V 3*0 ; contact surface A
SV 2 T 11 V 3*0 ; contact surface B

AS 1 /M 1
  /B 0 C 2 N  1  3  5  7  9 11 13 15 17 19 21
             23 26 29 32 35 38 42 45 48 51 54
  /S 1 E 5 S2
  /S 2 E 6 S4

AS 2

EN
EN
press7k1.i3
;  KREST
IP   1
EN
EN
press7k1.i4
;  KREST
IP   1
EN
EN
press7k1.iP
;  KREST NLC NCYC KMOD KCRP KLARG KCNT ...
IP   1    1    0    0    0    0     1  3*0
;  load case sequence
   2
EN
EN
press7k1.iL1
;  KMET KOUT NSUBI NITER NINT KTPR
IP   0    1    0     0     0    0
;  UTOL RTOL XTOL PENAL
RP   0    0    0   1e15
EN
EN
press7k1.iL2
;  KMET KOUT NSUBI NITER NINT KTPR
IP   0    1    0     0     0    0
;  UTOL RTOL XTOL PENAL
RP   0   -1   -1   1e15
EN
EN
press7k1.i5
;  KLC 0 KOUT ILC  ...  KPROB KGRAF
IP  3  0   1   1   6*0    2     2
EN
EN

Output

press7k1.oL2
;  KMET KOUT NSUBI NITER NINT KTPR                                              
IP   0    1    0     0     0    0                                               
;  UTOL RTOL XTOL PENAL                                                         
RP   0   -1   -1   1e15                                                         
EN                                                                              
EN                                                                              

                               RESTART OF HPLS
 HPLS  --  iteration    1
 HPLS  --  iteration    1
 
 *************************************************
 *         Resolution of contact modeling        *
 *************************************************
 
 *************************************************
 *         Pair of contact surfaces No  1        *
 *************************************************
 
 *************************************************
 *         Group of segments No  10              *
 *************************************************

   Segment   IG     Contact pair     PNTR       PNTR/DIS               CT
                                     [m]          [%]                 [MPa]

      1
              1          -1       0.99880E-07    0.20320E-01         -99.88
              2          -1       0.99806E-07    0.20305E-01         -99.81
              3          -1       0.10003E-06    0.20351E-01        -100.03

                         Resultant of contact pressure
                         CTX= -0.3142128872E+08     CTY= -0.2127771085E+02
 
 *************************************************
 *         Group of segments No  11              *
 *************************************************

   Segment   IG     Contact pair     PNTR       PNTR/DIS               CT
                                     [m]          [%]                 [MPa]

      1
              1          -1       0.10003E-06    0.57147E-01        -100.03
              2          -1       0.99806E-07    0.57020E-01         -99.81
              3          -1       0.99880E-07    0.57062E-01         -99.88

                         Resultant of contact pressure
                         CTX=  0.3140864909E+08     CTY=  0.2131722833E+02

                                * END OF HPLS *
 TOTAL CPU: 00:00:00
press7k1.o5
;  KLC 0 KOUT ILC  ...  KPROB KGRAF                                             
IP  3  0   1   1   6*0    2     2                                               
EN                                                                              
EN                                                                              

      AXISYMMETRIC PROBLEM
                                                      1TH LOAD CASE

                                       DISPLACEMENTS
           NODE                U                   V
                              [m]                 [m]

              1       0.2959043E-11    0.0000000E+00
              2       0.5041190E-11    0.2996517E-04
              3      -0.3495937E-04    0.0000000E+00
              4      -0.3495935E-04    0.2996517E-04
              5      -0.6991873E-04    0.0000000E+00
              6      -0.6991859E-04    0.2996518E-04
              7      -0.1048784E-03    0.0000000E+00
              8      -0.1048777E-03    0.2996434E-04
              9      -0.1398292E-03    0.0000000E+00
             10      -0.1398394E-03    0.2995965E-04
             11      -0.1750125E-03    0.0000000E+00
             12      -0.1750802E-03    0.2999731E-04
             13       0.4915575E-03    0.0000000E+00
             14       0.4914897E-03   -0.1011592E-04
             15       0.4310045E-03    0.0000000E+00
             16       0.4310020E-03   -0.1004770E-04
             17       0.3910895E-03    0.0000000E+00
             18       0.3910920E-03   -0.1002705E-04
             19       0.3640744E-03    0.0000000E+00
             20       0.3640751E-03   -0.1001476E-04
             21       0.3456521E-03    0.0000000E+00
             22       0.3456545E-03   -0.1000741E-04
             23       0.3332466E-03    0.0000000E+00
             24       0.3332589E-03   -0.1001135E-04
             25      -0.2438415E-11    0.1498258E-04
             26      -0.1747968E-04    0.0000000E+00
             27      -0.1747968E-04    0.2996516E-04
             28      -0.3495935E-04    0.1498260E-04
             29      -0.5243905E-04    0.0000000E+00
             30      -0.5243898E-04    0.2996520E-04
             31      -0.6991873E-04    0.1498258E-04
             32      -0.8739858E-04    0.0000000E+00
             33      -0.8739820E-04    0.2996503E-04
             34      -0.1048779E-03    0.1498231E-04
             35      -0.1223559E-03    0.0000000E+00
             36      -0.1223569E-03    0.2996297E-04
             37      -0.1398374E-03    0.1497685E-04
             38      -0.1574215E-03    0.0000000E+00
             39      -0.1574551E-03    0.2996061E-04
             40      -0.1750215E-03    0.1499582E-04
             41       0.4915487E-03   -0.5054845E-05
             42       0.4580059E-03    0.0000000E+00
             43       0.4579740E-03   -0.9953543E-05
             44       0.4309995E-03   -0.5021601E-05
             45       0.4090673E-03    0.0000000E+00
             46       0.4090660E-03   -0.9978532E-05
             47       0.3910912E-03   -0.5013920E-05
             48       0.3762955E-03    0.0000000E+00
             49       0.3762947E-03   -0.9987297E-05
             50       0.3640747E-03   -0.5007411E-05
             51       0.3539802E-03    0.0000000E+00
             52       0.3539800E-03   -0.9990873E-05
             53       0.3456538E-03   -0.5003256E-05
             54       0.3388169E-03    0.0000000E+00

                                       DISPLACEMENTS
           NODE                U                   V
                              [m]                 [m]

             55       0.3388227E-03   -0.9993026E-05
             56       0.3332484E-03   -0.5005272E-05




                                           STRESSES AT GAUSS POINTS



      IE       IGP     XG           YG                   SIG-X     SIG-Y    SIG-XY     SIG-Z      HMH      EPSP      DMG
                       [m]          [m]                  [MPa]     [MPa]     [MPa]     [MPa]     [MPa]      [-]      [%]

       1
                 1    0.11270E-01  0.11270E-01           -99.9       0.0      -0.0     -99.9      99.9  0.0000E+00  0.00
                 2    0.50000E-01  0.11270E-01           -99.9       0.0       0.0     -99.9      99.9  0.0000E+00  0.00
                 3    0.88730E-01  0.11270E-01           -99.9       0.0       0.0     -99.9      99.9  0.0000E+00  0.00
                 4    0.11270E-01  0.50000E-01           -99.9       0.0       0.0     -99.9      99.9  0.0000E+00  0.00
                 5    0.50000E-01  0.50000E-01           -99.9       0.0       0.0     -99.9      99.9  0.0000E+00  0.00
                 6    0.88730E-01  0.50000E-01           -99.9       0.0       0.0     -99.9      99.9  0.0000E+00  0.00
                 7    0.11270E-01  0.88730E-01           -99.9       0.0       0.0     -99.9      99.9  0.0000E+00  0.00
                 8    0.50000E-01  0.88730E-01           -99.9      -0.0      -0.0     -99.9      99.9  0.0000E+00  0.00
                 9    0.88730E-01  0.88730E-01           -99.9      -0.0      -0.0     -99.9      99.9  0.0000E+00  0.00

       2
                 1    0.11127E+00  0.11270E-01           -99.9       0.0       0.0     -99.9      99.9  0.0000E+00  0.00
                 2    0.15000E+00  0.11270E-01           -99.9       0.0      -0.0     -99.9      99.9  0.0000E+00  0.00
                 3    0.18873E+00  0.11270E-01           -99.9      -0.0      -0.0     -99.9      99.9  0.0000E+00  0.00
                 4    0.11127E+00  0.50000E-01           -99.9       0.0       0.0     -99.9      99.9  0.0000E+00  0.00
                 5    0.15000E+00  0.50000E-01           -99.9       0.0       0.0     -99.9      99.9  0.0000E+00  0.00
                 6    0.18873E+00  0.50000E-01           -99.9       0.0       0.0     -99.9      99.9  0.0000E+00  0.00
                 7    0.11127E+00  0.88730E-01           -99.9       0.0       0.0     -99.9      99.9  0.0000E+00  0.00
                 8    0.15000E+00  0.88730E-01           -99.9       0.0       0.0     -99.9      99.9  0.0000E+00  0.00
                 9    0.18873E+00  0.88730E-01           -99.9       0.0       0.0     -99.9      99.9  0.0000E+00  0.00

       3
                 1    0.21127E+00  0.11270E-01           -99.9      -0.0       0.0     -99.9      99.9  0.0000E+00  0.00
                 2    0.25000E+00  0.11270E-01           -99.9      -0.0       0.0     -99.9      99.9  0.0000E+00  0.00
                 3    0.28873E+00  0.11270E-01           -99.9      -0.0       0.0     -99.9      99.9  0.0000E+00  0.00
                 4    0.21127E+00  0.50000E-01           -99.9       0.0       0.0     -99.9      99.9  0.0000E+00  0.00
                 5    0.25000E+00  0.50000E-01           -99.9      -0.0       0.0     -99.9      99.9  0.0000E+00  0.00
                 6    0.28873E+00  0.50000E-01           -99.9      -0.0      -0.0     -99.9      99.9  0.0000E+00  0.00
                 7    0.21127E+00  0.88730E-01           -99.9       0.0       0.0     -99.9      99.9  0.0000E+00  0.00
                 8    0.25000E+00  0.88730E-01           -99.9      -0.0      -0.0     -99.9      99.9  0.0000E+00  0.00
                 9    0.28873E+00  0.88730E-01           -99.9      -0.0      -0.0     -99.9      99.9  0.0000E+00  0.00

       4
                 1    0.31127E+00  0.11270E-01           -99.9      -0.0      -0.0     -99.9      99.9  0.0000E+00  0.00
                 2    0.35000E+00  0.11270E-01           -99.9      -0.0      -0.0     -99.9      99.9  0.0000E+00  0.00
                 3    0.38873E+00  0.11270E-01           -99.9      -0.0      -0.0     -99.9      99.9  0.0000E+00  0.00
                 4    0.31127E+00  0.50000E-01           -99.9      -0.0      -0.0     -99.9      99.9  0.0000E+00  0.00
                 5    0.35000E+00  0.50000E-01           -99.9      -0.0      -0.0     -99.9      99.9  0.0000E+00  0.00
                 6    0.38873E+00  0.50000E-01           -99.9      -0.0      -0.0     -99.9      99.9  0.0000E+00  0.00
                 7    0.31127E+00  0.88730E-01           -99.9       0.0      -0.0     -99.9      99.9  0.0000E+00  0.00
                 8    0.35000E+00  0.88730E-01           -99.9       0.0      -0.0     -99.9      99.9  0.0000E+00  0.00
                 9    0.38873E+00  0.88730E-01           -99.9       0.0      -0.0     -99.9      99.9  0.0000E+00  0.00

       5
                 1    0.41135E+00  0.11270E-01           -99.9      -0.0      -0.0     -99.9      99.8  0.0000E+00  0.00
                 2    0.45033E+00  0.11270E-01           -99.9      -0.0       0.0     -99.9      99.9  0.0000E+00  0.00
                 3    0.48932E+00  0.11270E-01           -99.8       0.1       0.0     -99.8      99.9  0.0000E+00  0.00
                 4    0.41135E+00  0.50000E-01           -99.9      -0.0      -0.0     -99.9      99.9  0.0000E+00  0.00
                 5    0.45033E+00  0.50000E-01           -99.9      -0.0      -0.0     -99.9      99.9  0.0000E+00  0.00
                 6    0.48932E+00  0.50000E-01           -99.9       0.1      -0.0     -99.9      99.9  0.0000E+00  0.00
                 7    0.41135E+00  0.88730E-01           -99.9      -0.0      -0.0     -99.9      99.9  0.0000E+00  0.00
                 8    0.45033E+00  0.88730E-01          -100.0      -0.0      -0.0     -99.9      99.9  0.0000E+00  0.00
                 9    0.48932E+00  0.88730E-01          -100.0       0.0      -0.0     -99.9     100.0  0.0000E+00  0.00

       6
                 1    0.51127E+00  0.11270E-01           -92.8       0.5       0.0     161.4     222.8  0.0000E+00  0.00
                 2    0.55000E+00  0.11270E-01           -78.4      -0.6       0.0     142.9     194.4  0.0000E+00  0.00
                 3    0.58873E+00  0.11270E-01           -61.7       0.5      -0.0     129.9     169.3  0.0000E+00  0.00
                 4    0.51127E+00  0.50000E-01           -92.8       0.5       0.1     161.4     222.7  0.0000E+00  0.00
                 5    0.55000E+00  0.50000E-01           -78.4      -0.6       0.0     142.8     194.4  0.0000E+00  0.00
                 6    0.58873E+00  0.50000E-01           -61.7       0.5      -0.1     129.9     169.3  0.0000E+00  0.00
                 7    0.51127E+00  0.88730E-01           -92.7       0.5       0.2     161.4     222.7  0.0000E+00  0.00
                 8    0.55000E+00  0.88730E-01           -78.3      -0.6      -0.0     142.9     194.4  0.0000E+00  0.00
                 9    0.58873E+00  0.88730E-01           -61.6       0.5      -0.2     130.0     169.3  0.0000E+00  0.00

       7
                 1    0.61127E+00  0.11270E-01           -55.2       0.3       0.0     122.8     157.8  0.0000E+00  0.00
                 2    0.65000E+00  0.11270E-01           -46.4      -0.3      -0.0     111.9     141.0  0.0000E+00  0.00
                 3    0.68873E+00  0.11270E-01           -36.3       0.2      -0.0     103.8     125.9  0.0000E+00  0.00
                 4    0.61127E+00  0.50000E-01           -55.2       0.2       0.1     122.8     157.7  0.0000E+00  0.00
                 5    0.65000E+00  0.50000E-01           -46.3      -0.3       0.0     111.9     141.0  0.0000E+00  0.00
                 6    0.68873E+00  0.50000E-01           -36.3       0.2      -0.1     103.8     125.9  0.0000E+00  0.00
                 7    0.61127E+00  0.88730E-01           -55.2       0.2       0.1     122.8     157.8  0.0000E+00  0.00
                 8    0.65000E+00  0.88730E-01           -46.3      -0.3       0.0     111.9     141.0  0.0000E+00  0.00
                 9    0.68873E+00  0.88730E-01           -36.3       0.2      -0.1     103.8     125.9  0.0000E+00  0.00

       8
                 1    0.71127E+00  0.11270E-01           -32.2       0.1       0.0      99.4     118.7  0.0000E+00  0.00
                 2    0.75000E+00  0.11270E-01           -26.4      -0.2       0.0      92.4     108.1  0.0000E+00  0.00
                 3    0.78873E+00  0.11270E-01           -19.9       0.1      -0.0      87.0      98.5  0.0000E+00  0.00
                 4    0.71127E+00  0.50000E-01           -32.2       0.1       0.0      99.4     118.7  0.0000E+00  0.00
                 5    0.75000E+00  0.50000E-01           -26.4      -0.2       0.0      92.4     108.1  0.0000E+00  0.00
                 6    0.78873E+00  0.50000E-01           -19.9       0.1      -0.0      87.0      98.5  0.0000E+00  0.00
                 7    0.71127E+00  0.88730E-01           -32.2       0.1       0.1      99.4     118.7  0.0000E+00  0.00
                 8    0.75000E+00  0.88730E-01           -26.4      -0.2       0.0      92.4     108.1  0.0000E+00  0.00
                 9    0.78873E+00  0.88730E-01           -19.9       0.1      -0.1      87.0      98.5  0.0000E+00  0.00

       9
                 1    0.81127E+00  0.11270E-01           -17.1       0.1       0.0      84.1      93.7  0.0000E+00  0.00
                 2    0.85000E+00  0.11270E-01           -13.1      -0.1       0.0      79.3      86.7  0.0000E+00  0.00
                 3    0.88873E+00  0.11270E-01            -8.7       0.1      -0.0      75.6      80.2  0.0000E+00  0.00
                 4    0.81127E+00  0.50000E-01           -17.1       0.1       0.0      84.1      93.7  0.0000E+00  0.00
                 5    0.85000E+00  0.50000E-01           -13.1      -0.1       0.0      79.3      86.7  0.0000E+00  0.00
                 6    0.88873E+00  0.50000E-01            -8.7       0.1      -0.0      75.6      80.2  0.0000E+00  0.00
                 7    0.81127E+00  0.88730E-01           -17.1       0.1       0.0      84.1      93.7  0.0000E+00  0.00
                 8    0.85000E+00  0.88730E-01           -13.1      -0.1       0.0      79.3      86.7  0.0000E+00  0.00
                 9    0.88873E+00  0.88730E-01            -8.7       0.1      -0.0      75.6      80.2  0.0000E+00  0.00

      10
                 1    0.91127E+00  0.11270E-01            -6.7       0.1       0.0      73.5      77.0  0.0000E+00  0.00
                 2    0.95000E+00  0.11270E-01            -3.8      -0.1      -0.0      70.2      72.2  0.0000E+00  0.00
                 3    0.98873E+00  0.11270E-01            -0.6       0.0      -0.0      67.5      67.8  0.0000E+00  0.00
                 4    0.91127E+00  0.50000E-01            -6.7       0.1       0.0      73.5      77.0  0.0000E+00  0.00
                 5    0.95000E+00  0.50000E-01            -3.8      -0.1       0.0      70.2      72.2  0.0000E+00  0.00
                 6    0.98873E+00  0.50000E-01            -0.6       0.0      -0.0      67.5      67.8  0.0000E+00  0.00
                 7    0.91127E+00  0.88730E-01            -6.7       0.1       0.0      73.5      77.0  0.0000E+00  0.00
                 8    0.95000E+00  0.88730E-01            -3.8      -0.1       0.0      70.2      72.2  0.0000E+00  0.00
                 9    0.98873E+00  0.88730E-01            -0.6       0.0      -0.0      67.5      67.8  0.0000E+00  0.00

                                * END OF STR3 *
 TOTAL CPU: 00:00:00
en/example/nlin/5/1.txt · Last modified: 2022-03-15 08:40 by Petr Pařík