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Nielineêre statiese analise (hiperelastisiteit, deel 2)

Hierdie analise gebruik die data van tutorial/04_hyperelastic_spring.

Analiseteiken

Die veer is die onderwerp van die analise; die geometrie word in Figuur 4.4.1 getoon en die maasdata in Figuur 4.4.2.

Item Beskrywing Notas Verwysing
Tipe analise Nielineêre statiese analise (hiperelastisiteit) !SOLUTION,TYPE=NLSTATIC
Aantal nodusse 78,771
Aantal elemente 46,454
Elementtipe 10-nodus kwadratiese tetraëdriese element !ELEMENT,TYPE=342
Materiaalnaam MAT1 !MATERIAL,NAME=MAT1
Materiaaleienskappe HYPERELASTIC !HYPERELASTIC,TYPE=ARRUDA-BOYCE
Randvoorwaardes Beperking / voorgeskrewe verplasing
Matriksoplosser CG/AMG !SOLVER,METHOD=CG,PRECOND=5

Vorm van die veer

Fig. 4.4.1: Vorm van die veer

Maasdata van die veer

Fig. 4.4.2: Maasdata van die veer

Analise-inhoud

’n Spanningsanalise word uitgevoer deur die verplasing van die beperkte oppervlak wat in Figuur 4.4.1 getoon word te beperk en ’n verplasing op die lasoppervlak toe te pas. Die Arruda-Boyce-model word as die konstitutiewe model vir die hiperelastiese materiaal gebruik. Die analisebeheerdata word hieronder getoon.

Analisebeheerdata spring.cnt

#  Control File for FISTR
## Analysis Control
!VERSION
 3
!SOLUTION, TYPE=NLSTATIC
!WRITE,RESULT
!WRITE,VISUAL
## Solver Control
### Boundary Condition
!BOUNDARY, GRPID=1
 LOADS, 2, 2, -5.0
 FIX,   1, 3, 0.0
### STEP
!STEP, SUBSTEPS=1, CONVERG=1.0e-5
 BOUNDARY, 1
### Material
!MATERIAL, NAME=MAT1
!HYPERELASTIC, TYPE=ARRUDA-BOYCE
 0.71, 1.7029, 0.1408
### Solver Setting
!SOLVER,METHOD=CG,PRECOND=5,ITERLOG=NO,TIMELOG=YES
 10000, 1
 1.0e-5, 1.0, 0.0
## Post Control
!VISUAL,method=PSR
!surface_num=1
!surface 1
!output_type=VTK
!END

Analiseprosedure

Voer die FrontISTR-uitvoeringsopdrag fistr1 uit.

cd FrontISTR/tutorial/04_hyperelastic_spring
fistr1 -t 4

(Loop met 4 drade.)

Analiseresultate

’n Vervormingsdiagram met gekontoureerde verplasing word deur REVOCAP_PrePost geskep en in Figuur 4.4.3 getoon. ’n Deel van die loglêer word hieronder as numeriese data vir die analiseresultate getoon.

Analiseresultate van vervorming en verplasing

Fig. 4.4.3: Analiseresultate van vervorming en verplasing

Analiseresultaatlog 0.log

 fstr_setup: OK
#### Result step=     0
 ##### Local Summary @Node    :Max/IdMax/Min/IdMin####
 //U1    0.0000E+00         1  0.0000E+00         1
 //U2    0.0000E+00         1  0.0000E+00         1
 //U3    0.0000E+00         1  0.0000E+00         1
 //E11   0.0000E+00         1  0.0000E+00         1
 //E22   0.0000E+00         1  0.0000E+00         1
 //E33   0.0000E+00         1  0.0000E+00         1
 //E12   0.0000E+00         1  0.0000E+00         1
 //E23   0.0000E+00         1  0.0000E+00         1
 //E31   0.0000E+00         1  0.0000E+00         1
 //S11   0.0000E+00         1  0.0000E+00         1
 //S22   0.0000E+00         1  0.0000E+00         1
 //S33   0.0000E+00         1  0.0000E+00         1
 //S12   0.0000E+00         1  0.0000E+00         1
 //S23   0.0000E+00         1  0.0000E+00         1
 //S31   0.0000E+00         1  0.0000E+00         1
 //SMS   0.0000E+00         1  0.0000E+00         1
 ##### Local Summary @Element :Max/IdMax/Min/IdMin####
 //E11   0.0000E+00         1  0.0000E+00         1
 //E22   0.0000E+00         1  0.0000E+00         1
 //E33   0.0000E+00         1  0.0000E+00         1
 //E12   0.0000E+00         1  0.0000E+00         1
 //E23   0.0000E+00         1  0.0000E+00         1
 //E31   0.0000E+00         1  0.0000E+00         1
 //S11   0.0000E+00         1  0.0000E+00         1
 //S22   0.0000E+00         1  0.0000E+00         1
 //S33   0.0000E+00         1  0.0000E+00         1
 //S12   0.0000E+00         1  0.0000E+00         1
 //S23   0.0000E+00         1  0.0000E+00         1
 //S31   0.0000E+00         1  0.0000E+00         1
 //SMS   0.0000E+00         1  0.0000E+00         1
 ##### Global Summary @Node    :Max/IdMax/Min/IdMin####
 //U1    0.0000E+00         1  0.0000E+00         1
 //U2    0.0000E+00         1  0.0000E+00         1
 //U3    0.0000E+00         1  0.0000E+00         1
 //E11   0.0000E+00         1  0.0000E+00         1
 //E22   0.0000E+00         1  0.0000E+00         1
 //E33   0.0000E+00         1  0.0000E+00         1
 //E12   0.0000E+00         1  0.0000E+00         1
 //E23   0.0000E+00         1  0.0000E+00         1
 //E31   0.0000E+00         1  0.0000E+00         1
 //S11   0.0000E+00         1  0.0000E+00         1
 //S22   0.0000E+00         1  0.0000E+00         1
 //S33   0.0000E+00         1  0.0000E+00         1
 //S12   0.0000E+00         1  0.0000E+00         1
 //S23   0.0000E+00         1  0.0000E+00         1
 //S31   0.0000E+00         1  0.0000E+00         1
 //SMS   0.0000E+00         1  0.0000E+00         1
 ##### Global Summary @Element :Max/IdMax/Min/IdMin####
 //E11   0.0000E+00         1  0.0000E+00         1
 //E22   0.0000E+00         1  0.0000E+00         1
 //E33   0.0000E+00         1  0.0000E+00         1
 //E12   0.0000E+00         1  0.0000E+00         1
 //E23   0.0000E+00         1  0.0000E+00         1
 //E31   0.0000E+00         1  0.0000E+00         1
 //S11   0.0000E+00         1  0.0000E+00         1
 //S22   0.0000E+00         1  0.0000E+00         1
 //S33   0.0000E+00         1  0.0000E+00         1
 //S12   0.0000E+00         1  0.0000E+00         1
 //S23   0.0000E+00         1  0.0000E+00         1
 //S31   0.0000E+00         1  0.0000E+00         1
 //SMS   0.0000E+00         1  0.0000E+00         1
#### Result step=     1
 ##### Local Summary @Node    :Max/IdMax/Min/IdMin####
 //U1    2.6070E-01     42179 -2.4651E-01     44163
 //U2    2.0567E-02     14512 -5.0036E+00     44753
 //U3    6.6559E-02     15443 -6.6862E-01     44664
 //E11   4.1026E-03      1015 -4.5809E-03      3429
 //E22   2.3030E-03     42626 -1.5152E-03     44761
 //E33   4.1949E-03     23553 -5.0169E-03     27938
 //E12   1.3348E-02     55149 -1.3381E-02     56829
 //E23   2.7881E-02     48353 -1.9534E-02     48322
 //E31   1.0861E-02     47938 -8.8803E-03      9493
 //S11   8.4247E-03      8264 -9.1017E-03      8501
 //S22   1.0769E-02     56772 -6.3921E-03     56787
 //S33   1.3881E-02     56764 -1.2778E-02     42632
 //S12   1.2396E-02     55149 -1.2434E-02     56829
 //S23   2.5880E-02     48353 -1.8138E-02     48322
 //S31   1.0081E-02     47938 -8.2435E-03      9493
 //SMS   4.9638E-02     48353  2.8482E-04     66578
 ##### Local Summary @Element :Max/IdMax/Min/IdMin####
 //E11   3.9156E-03     34074 -4.3403E-03     16932
 //E22   1.8391E-03     23282 -1.2721E-03     56220
 //E33   3.9490E-03     45925 -4.4530E-03     34145
 //E12   1.2578E-02     45680 -1.1729E-02     19492
 //E23   2.0534E-02     40739 -1.3512E-02     24172
 //E31   9.4162E-03     32786 -7.6149E-03     44971
 //S11   7.7882E-03     25880 -8.2932E-03     45925
 //S22   6.8884E-03     23275 -6.1373E-03     49821
 //S33   9.9242E-03     59974 -9.5475E-03     31626
 //S12   1.1679E-02     45680 -1.0893E-02     19492
 //S23   1.9071E-02     40739 -1.2534E-02     24172
 //S31   8.7376E-03     32786 -7.0660E-03     44971
 //SMS   3.5586E-02     40739  4.1161E-04     40537
 ##### Global Summary @Node    :Max/IdMax/Min/IdMin####
 //U1    2.6070E-01     42179 -2.4651E-01     44163
 //U2    2.0567E-02     14512 -5.0036E+00     44753
 //U3    6.6559E-02     15443 -6.6862E-01     44664
 //E11   4.1026E-03      1015 -4.5809E-03      3429
 //E22   2.3030E-03     42626 -1.5152E-03     44761
 //E33   4.1949E-03     23553 -5.0169E-03     27938
 //E12   1.3348E-02     55149 -1.3381E-02     56829
 //E23   2.7881E-02     48353 -1.9534E-02     48322
 //E31   1.0861E-02     47938 -8.8803E-03      9493
 //S11   8.4247E-03      8264 -9.1017E-03      8501
 //S22   1.0769E-02     56772 -6.3921E-03     56787
 //S33   1.3881E-02     56764 -1.2778E-02     42632
 //S12   1.2396E-02     55149 -1.2434E-02     56829
 //S23   2.5880E-02     48353 -1.8138E-02     48322
 //S31   1.0081E-02     47938 -8.2435E-03      9493
 //SMS   4.9638E-02     48353  2.8482E-04     66578
 ##### Global Summary @Element :Max/IdMax/Min/IdMin####
 //E11   3.9156E-03     34074 -4.3403E-03     16932
 //E22   1.8391E-03     23282 -1.2721E-03     56220
 //E33   3.9490E-03     45925 -4.4530E-03     34145
 //E12   1.2578E-02     45680 -1.1729E-02     19492
 //E23   2.0534E-02     40739 -1.3512E-02     24172
 //E31   9.4162E-03     32786 -7.6149E-03     44971
 //S11   7.7882E-03     25880 -8.2932E-03     45925
 //S22   6.8884E-03     23275 -6.1373E-03     49821
 //S33   9.9242E-03     59974 -9.5475E-03     31626
 //S12   1.1679E-02     45680 -1.0893E-02     19492
 //S23   1.9071E-02     40739 -1.2534E-02     24172
 //S31   8.7376E-03     32786 -7.0660E-03     44971
 //SMS   3.5586E-02     40739  4.1161E-04     40537