Keri sisuni

Mittelineaarne staatiline analüüs (hüperelastsus, 2. osa)

Selles analüüsis kasutatakse kataloogi tutorial/04_hyperelastic_spring andmeid.

Analüüsiobjekt

Analüüsiobjekt on vedru; geomeetria on näidatud joonisel 4.4.1 ja võrguandmed joonisel 4.4.2.

Kirje Kirjeldus Märkused Viide
Analüüsi tüüp Mittelineaarne staatiline analüüs (hüperelastsus) !SOLUTION,TYPE=NLSTATIC
Sõlmede arv 78,771
Elementide arv 46,454
Elemendi tüüp 10-sõlmeline ruutinterpolatsiooniga tetraeedriline element !ELEMENT,TYPE=342
Materjali nimi MAT1 !MATERIAL,NAME=MAT1
Materjali omadused HYPERELASTIC !HYPERELASTIC,TYPE=ARRUDA-BOYCE
Rajatingimused Kinnitus / etteantud nihe
Maatrikslahendaja CG/AMG !SOLVER,METHOD=CG,PRECOND=5

Vedru kuju

Joonis 4.4.1: vedru kuju

Vedru võrguandmed

Joonis 4.4.2: vedru võrguandmed

Analüüsi sisu

Pingeanalüüs tehakse, piirates joonisel 4.4.1 näidatud kinnitatud pinna nihet ja rakendades koormuspinnale nihke. Hüperelastse materjali konstitutiivmudelina kasutatakse Arruda-Boyce’i mudelit. Analüüsi juhtandmed on toodud allpool.

Analüüsi juhtandmed 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

Analüüsi protseduur

Käivitage FrontISTR-i täitmiskäsk fistr1.

cd FrontISTR/tutorial/04_hyperelastic_spring
fistr1 -t 4

(Käivitatakse 4 lõimega.)

Analüüsi tulemused

REVOCAP_PrePost abil loodi nihkekontuuridega deformatsioonidiagramm, mis on näidatud joonisel 4.4.3. Osa logifailist on allpool esitatud analüüsi tulemuste arvandmetena.

Deformatsiooni ja nihke analüüsi tulemused

Joonis 4.4.3: deformatsiooni ja nihke analüüsi tulemused

Analüüsi tulemuste logi 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
AI-assisted translation May contain errors Official docs Status