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*--------------------------------------------------------Type of problem TRID NONL AMOR *-----------------------------------------------------------------Sizing DIME PT3L 3 PT6L 7341 ZONE 3 PMAT 3 DST3 33 Q4GS 6977 ECRO 1540391 BLOQ 35382 GLIS 3 10000 DDLI 5280 FCOE 5280 DEPL 5280 FORC 6 TABL 3 12 FNOM 3 FTAB 12 MTPO 2 MTEL 1 TERM *--------------------------------------------------------Geometry (Mesh) GEOM '(3E22.15)' '(7I10)' POIN 7344 PMAT 3 DST3 33 Q4GS 6977 TERM *------------------------------------------------------Nodal Coordinates 0.000000000000000E+00 1.900000000000000E-01 1.000000000000000E-03 . . . (omissis) 5317 7341 7341 5317 5314 5346 *--------------------------------------------Additional geometrical data COMP GROU 6 'masses' LECT 1 PAS 1 3 TERM 'piece' LECT 37 PAS 1 1480 TERM 'die' LECT 23 PAS 1 36 4769 PAS 1 7013 TERM 'punch' LECT 22 3082 PAS 1 4768 TERM 'holder' LECT 4 PAS 1 21 1481 PAS 1 3081 TERM 'e_alit' LECT 1 TERM COUL jaun LECT masses TERM roug LECT piece TERM turq LECT die TERM rose LECT punch TERM vert LECT holder TERM NGRO 15 'n_masses' LECT masses TERM 'n_piece' LECT piece TERM 'n_die' LECT die TERM 'n_punch' LECT punch TERM 'n_holder' LECT holder TERM 'n_ext1' LECT 7342 TERM 'n_ext2' LECT 7343 TERM 'n_ext3' LECT 7344 TERM 'n_pibloq' LECT 39 TERM 'n_bl156' LECT 1 PAS 1 38 TERM 'n_bl246' LECT 78 116 PAS 1 152 TERM 'n_forcz' LECT 2673 TERM 'n_ali1' LECT 1522 TERM 'n_ali2' LECT 3439 TERM 'n_alit' LECT n_ali1 n_ali2 TERM EPAI 0.8E-03 LECT piece TERM EPAI 1.0E-03 LECT die punch holder TERM FROT 1 MU0 0.25 MU1 0.25 GAMMA 1 FROT 2 MU0 0.125 MU1 0.125 GAMMA 1 *--------------------------------------------------------------Materials MATE VMIS ISOT RO 2.767E+03 YOUN 7.0E+10 NU 3.E-01 ELAS 2.93E+08 TRAC 12 2.93000E+08 4.18571E-03 3.09400E+08 6.10600E-03 3.16350E+08 7.12129E-03 3.24380E+08 8.46700E-03 3.33800E+08 1.03196E-02 3.45120E+08 1.29853E-02 3.59060E+08 1.70604E-02 3.76870E+08 2.38049E-02 4.00710E+08 3.62904E-02 4.34740E+08 6.35266E-02 4.87940E+08 1.40321E-01 1.09500E+09 1.01564E+00 LECT piece TERM LINE RO 7.8E+03 YOUN 2.E+11 NU 3.E-01 2
LECT die punch holder TERM MASS 0.1E-02 LECT masses TERM *--------------------------------------------------------------Couplings LIAI BLOQ 123456 LECT die TERM 156 LECT n_bl156 TERM 12456 LECT n_pibloq n_punch n_holder TERM 246 LECT n_bl246 TERM DEPL 3 0.1E+01 FONC 1 LECT punch TERM GLIS 3 CMAI LECT piece TERM EXTE LECT n_ext1 TERM CESC LECT punch TERM CMAI LECT piece TERM EXTE LECT n_ext2 TERM CESC LECT die TERM CMAI LECT piece TERM EXTE LECT n_ext3 TERM CESC LECT holder TERM FONC 1 TABL 2 0.000E+00 0.000E+00 0.101E-01 -0.500E-01 *-------------------------------------------------------Factorized loads CHAR 1 FACT 2 FORC 3 0.1E+01 LECT n_forcz TERM TABL 3 0.000E+00 0.000E+00 0.100E-02 -0.200E+05 0.100E-00 -0.200E+05 *-----------------------------------------------------Initial conditions INIT VITE 3 -4.95050 LECT punch TERM *----------------------------------------------------------------Storage ECRI DEPL VITE TFRE 1.0E-3 POIN LECT n_alit TERM FICH ALIC TFRE 1.0E-04 FICH ALIC TEMP TFRE 1.0E-05 POIN LECT n_alit TERM ELEM LECT e_alit TERM *----------------------------------------------------------------Options OPTI LOG 1 *-------------------------------------------------------------Time Steps CALC TINI 0.E+00 TFIN 10.E-03 *======================================================================= SUIT Post-treatment (time curves from alice temps file) ECHO * RESU ALIC TEMP GARD PSCR * SORT GRAP * AXTE 1000.0 'Time [ms]' * COUR 1 'dz_1' DEPL COMP 3 NOEU LECT n_ali1 TERM COUR 2 'dz_2' DEPL COMP 3 NOEU LECT n_ali2 TERM COUR 3 'vz_1' VITE COMP 3 NOEU LECT n_ali1 TERM COUR 4 'vz_2' VITE COMP 3 NOEU LECT n_ali2 TERM * trac 1 2 axes 1.0 'DISPL. [M]' trac 3 4 axes 1.0 'VELOC. [M/S]' * QUAL DEPL COMP 3 LECT n_ali2 TERM REFE -4.95050E-2 TOLE 5.E-3 *======================================================================= FIN 3
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European Laboratory for Structural
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Proceedings of a Course on: Numeric
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Programme of the Course 1. Introduc
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Credits & Acknowledgments • Struc
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Introductory Example (4) 7 Applicat
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x Computational Framework • Gover
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n+ 1 n ∆t n n+ 1 u = u + ( u + u
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Scheme start-up and marching (2)
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Stress Update • To solve the equi
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Geometric non-linearities (3) Set u
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Essential Boundary Conditions Essen
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Exercise 0 - Ideal ballistics • M
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Exercise 0 - Ideal ballistics (5)
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Exercise 1 - Suspended mass (3) •
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Exercise 1 - Suspended mass (7) •
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Exercise 2 - Wave propagation (4)
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Exercise 3 - Impact on Cooling Towe
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TITLE: PMAT04: motion of projectile
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sinon; tra2 = tra2 et ele; finsi; f
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Some results: horizontal and vertic
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PMAT01E This test is similar to PMA
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Hence: 11 −8 ES 2× 10 ⋅ 2.5×
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The stress history is: Note that th
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Analytical TEST11 Same as TEST01 bu
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Comparison of natural vs. engineeri
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The total external forces at the tw
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TEST13 Same as TEST01 but uses a 10
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The mass returns at the initial pos
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TEST22 To verify the independence o
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Linear dynamic analysis Consider th
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• The two waves f and g propagate
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Analytical solution For the bar imp
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Note that we have also put the Pois
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BARI08 We study the effect of the t
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ENDPLAY *==========================
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BARI10 Same as BARI09 but compares
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The system is initially at rest, an
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CAST MESH TRID NONL LAGR $ $ Dimens
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Final deformation (with superposed
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Detailed Contents • Modeling the
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Modeling the fluid domain • The f
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Euler equations (3) • For a compr
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Time integration Each time incremen
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Time integration (5) 10. Account fo
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Euler Equations (FV) • They are w
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Mesh rezoning - motivations • Rez
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Giuliani’s automatic rezoning •
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• Analytical solution (self-simil
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Shock tube (6) • Influence of pse
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Exercise 2 - Explosion in air-fille
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Exercise 3 - Bubble expansion in a
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Exercise 4 - External blast on two
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Geometric data: The calculation is
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SHOC01 Eulerian, “average” pseu
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COUR 7 'ro_a' ECRO COMP 2 ELEM LECT
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Analytical Conclusion: the pseudo-v
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SHOC13 Eulerian, very low pseudo-vi
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Analytical General conclusions: •
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The inverse path is not so straight
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The input files (mesh generation by
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Geometric data: The calculation is
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COUR 1 'dx_4' DEPL COMP 1 NOEU LECT
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TANK02 Eulerian solution: the whole
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The final pressure distribution is:
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TUBE06 Lagrangian solution: the who
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And the final velocity distribution
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The computed displacements are: To
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43 30 30 43 44 31 31 44 45 32 32 45
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Geometric data: External blast in a
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abs4 = dall (p4 d 28 p4u) (p4u d 40
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Geometric data: Internal blast in a
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air = air1 ET air2 ET air3 ET air4
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COURBE 8 'P e_p12' ECROU COMP 1 lec
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3D axisymmetric simulation: JWLS3G
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point lect 1 term elem lect 1 term
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Universitat Politècnica de Catalun
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• Motivation Detailed Contents
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FSI Classification FSI for compress
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The 2-D plane case (2) Use geometri
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Classification of FSI algorithms
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The FSA algorithm (4) The case of s
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The FSCR algorithm Combination of F
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Application to Finite Volumes (3) 2
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Exercise 2 - Explosions in simple d
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Exercise/Example 3 - Wave propagati
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Exercise/Example 4 - CONT problem (
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Exercise/Example 5 - Explosion in a
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Exercise/Example 6 : Woodward-Colel
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Geometry: Exercise/Example 8 Steam
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Exercise/Example 9 Explosion in Sec
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Exercise/Example 9 Explosion in Sec
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Boundary Condition Elements: CLxx (
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Exercise/Example 11 - Perforated Pl
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Exercise/Example 12 - Sloshing (3)
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DIME PT3L 23 PT2L 143 FL24 145 ED01
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The final pressure field in the flu
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ALE solution with FSA: it is not po
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120 119 138 139 121 120 139 140 122
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and the final velocity field: The s
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The final velocities: The final liq
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*----------------------------------
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TWIS07 We study the phenomenon by a
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This is a well-known reactor safety
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1.53330E+00 1.32310E+01 1.15000E+00
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200 199 239 240 200 200 200 240 241
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*----------------------------------
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The final fluid pressures: CONT02 T
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The final fluid velocities: The fin
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This example consists in a long 3D
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GEOM FL38 flui Q4GS stru TERM COMP
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Detail of first diaphragm: Detail o
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BOUNDARY CONDITIONS: The step is en
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The EUROPLEXUS input file reads: WO
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WOCO3D The mesh generation file (K2
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* RESU ALIC GARD PSCR * SORT GRAP *
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PT3L 16389 PT6L 504 NBLE 16389 NALE
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Final pressure distribution: 4
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BOUNDARY CONDITIONS: The vessel is
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as01=daller c1 c2 c3 c4 plan; * c1=
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*trac oeil cach fluidstr; *opti don
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cam3=cam31 et cam32; camb=cam1 et c
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log 1 dtml REZO GAM0 0.5 FLMP EPS1
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Final structure deformation: Final
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LOADING: The event is initiated by
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FLUT RO .242777373 EINT 6.865E5 GAM
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Final structure velocities: 6
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RESULTS: A paper by Bermudez and Ro
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The applied displacement and the co
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PROBLEM: A rigid tank with a deform
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The EUROPLEXUS input file reads: GR
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PROBLEM: A rigid tank with rigid or
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COMP EPAI 0.005 LECT 101 102 103 10
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Numerical Solution (flexible bottom
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! VARI DEPL VITE ECRO ! fich alic t
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The final pressures in the rigid an
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LOADING: A constant gravity in the
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Some results: intermediate and fina
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Universitat Politècnica de Catalun
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ALE description of structures (2)
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Example 1 - Taylor bar impact (3) B
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Example 3 - Coining (3) Influence o
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• Tentative classification: Non-c
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Example 4 - Explosion in a 2D box (
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Example 6 - LOCA in the HDR (2) A -
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Examples of “Slow” Transient Co
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Examples of Fast Transient Impact
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Components of Contact-Impact Method
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Shortcomings • Slender or distort
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Example - Bar impact • (See Part
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Example 7b - Indentation (2) • 2D
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Example 7b - Indentation (6) • 3D
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Smoothed Particles Hydrodynamics (C
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SPH Formulation (2) • Basic idea:
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SPH impact [Courtesy of Samtech/Son
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PRGL01: Example 8 - SPH impacts (Co
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Spectral Elements • Motivation: l
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Spectral Elements (5) Convergence p
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Example 9 - Closed FE/SE interface
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Example 11 - Cylindrical valley 85
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Performance Optimization • All ex
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Time Step Partitioning (4) • Intr
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Time Step Partitioning (8) • Acti
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Treatment of links in partitioning
Page 357 and 358: Example 12a - Taylor bar impact rev
Page 359 and 360: Coupling at the Interfaces • Two
Page 361 and 362: Coupling at the Interfaces (5) MU T
Page 363 and 364: Coupling at the Interfaces (9) Time
Page 365 and 366: Multiple scales in time (3) • Exp
Page 367 and 368: Multiple scales in space • Furthe
Page 369 and 370: Multiple scales in frequency • So
Page 371 and 372: Example: power plant 133 Example: p
Page 373 and 374: Example: aircraft (3) Thanks to CPU
Page 375 and 376: Example 14 - Domains in 3D • Thic
Page 377: Example 15 - Bar Impact Revisited (
Page 382 and 383: * mesh=stru et symax et viti et lil
Page 384 and 385: The displacements are: 4
Page 386 and 387: c2=p1 d 8 p2; c3=p2 d 20 p3; c4=p3
Page 388 and 389: The resulting final deformed mesh w
Page 390 and 391: TERM *-----------------------------
Page 393 and 394: Geometric data and materials: The b
Page 395 and 396: BET0 1 KINT 0 AHGF 0 CL 0.5 CQ 2.56
Page 397 and 398: INFS02 We use a twice finer fluid m
Page 399 and 400: FREQ 1 GOTR LOOP 60 OFFS FICH AVI C
Page 401 and 402: Problem description: This example i
Page 403 and 404: *----------------------------------
Page 405: The final velocities: The final for
Page 410 and 411: The final deformed mesh is: The fin
Page 412 and 413: pc = 4.5 -1 -1.5; pd = 5.5 -1 -1.5;
Page 414 and 415: The initial configuration (with par
Page 417 and 418: TITLE: Indentation problem. PROBLEM
Page 419 and 420: cp = p0 d 10 p13; elim tol (piece e
Page 421 and 422: The final velocities: The final dis
Page 423 and 424: The input file is: INDE - 13 ECHO !
Page 425 and 426: The final displacement norm: The fi
Page 427 and 428: elim tol (piece et cp); c_p = piece
Page 429 and 430: The final deformed shape is: 13
Page 431 and 432: Numerical Solutions PRGL01 Simplifi
Page 433 and 434: FOV 2.48819E+01 SCEN GEOM NAVI FREE
Page 435 and 436: ROMA01 Final plastic streen in the
Page 437 and 438: SONA01 7
Page 439: Final density in the projectile: Fi
Page 442 and 443: opti echo 0; opti donn 'D:\Users\Fo
Page 444 and 445: * opti dime 2 elem qua4; p0 = 0 0;
Page 446 and 447: The final X-displacement in the hyb
Page 448 and 449: * opti dime 2 elem qua4; opti titr
Page 450 and 451: VALLPS This calculation assumes a p
Page 452 and 453: The receiver signal in the coupled
Page 455 and 456: Problem description: This example r
Page 457 and 458: CALC TINI 0. TFIN 40.E-3 *=========
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REPETER BCL2 (2); REPETER BCL3 (2);
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*----------------------------------
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The tip displacement in the referen
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Problem description: This example r
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LOG 1 DPSD *-----------------------
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TRAC CACH OEIL2 ZONE1; TRAC CACH OE
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The tip displacement in the referen
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Problem description: This example r
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$ INIT VITE 2 -227. LECT VITI TERM
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* AXTE 1000.0 'Time [ms]' * COUR 1
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sq41=sq41 coul 'TURQ'; sq42=sq42 co
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The displacements in the case with
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European Commission DG Joint Resear
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