1、SECTION 5,Advanced Nonlinear Elements,Overview,Advanced Conventional Elements1D Elements: ROD, BAR, BEAM2D and 3D Solid ElementsShell ElementAdvanced Composite Elements2D and 3D Solid CompositesComposite Shell ElementNonlinear Connector ElementsBUSHWELD and FAST,Overview (cont.),Nonlinear Kinematic
2、ElementsRBE1, RBE2, RBE3RBAR, RBAR1RJOINTAdditional Results Output for the Advanced Nonlinear Elements,Overview 1D Elements,Membrane ROD,1) Marc Type2) underlined for default,Membrane & Bending BAR,Overview 1D Elements (cont.),Membrane & Bending BEAM,Legend for INT:L linear; C cubic; S shearLCC line
3、ar/cubic/closed sectionLCO linear/cubic/open section,Legend for SECT:S smeared cross sectionN numerically integrated,with warping,1) Marc Type2) underlined for default,Overview 2D Solid Elements,Plane Stress,Plane Strain,Overview 2D Solids (cont.),Plane Strain (cont.),Axisymmetric,Overview 2D Solids
4、 (cont.),Axisymmetric (cont.),Overview 3D Solid Elements,Solids,Overview 3D Solids (cont.),Solids (cont.),Legend for INT:L linearQ quadraticRI reducedH hourglass controlG GaussN Newton-Coates/LobattoASTN assumed strain solid shell,Overview Shell Elements,Shells ( for composite, use PCOMP or PCOMPG )
5、,*) with transverse shear effect,LDK linear discrete Kirchhoff,Advanced Conventional Elements,PBEAM(L),PBAR(L),MATS1,MAT1,PRODN1,from previous,Enhanced,Enhanced Input for 1D,+,MAT1,MATS1,MATEP,MATVE,MATVP,MATF,or,PBEAM(plastic hinge),PBARN1,or,PROD,or,PBEMN1,or,PBAR(not effective),PROD(nlelast + pla
6、stic),Enhanced Input for Rods,PRODN1 nonlinear property extension for PROD,Enhanced Input for Rods (cont.),Example for PRODN1 ( MATEP used ),BEGIN BULKNLMOPTS LRGSTRN 1$.2.3.4.5.6.7.8.9.0NLPARM 1 1 FNT 15 PV YES+ 1.-5 -3FORCE 1 2 3.+4 1.GRID 1 0.0 123456GRID 2 100.0 23456MAT1 1 100000. 0.3MATEP 1 20
7、0. 1000.PROD 10 1 100. 2000.PRODN1 10 1CROD 101 10 1 2ENDDATA,; enom(eng) would be sy / E + Ds / H = 0.103,N O N L I N E A R S T R E S S E S I N R O D E L E M E N T S ( C R O D ) ELEMENT AXIAL STRESS EQUIVALENT TOTAL STRAIN EFF. STRAIN EFF. CREEP LIN. TORSIONAL ID STRESS PLASTIC/NLELAST STRAIN STRES
8、S 1 3.604114E+02 3.604114E+02 1.640155E-01 0.0 0.0,D I S P L A C E M E N T V E C T O R POINT ID. TYPE T1 T2 T3 R1 R2 R3 1 G 0.0 0.0 0.0 0.0 0.0 0.0 2 G 1.528253E+01 0.0 0.0 0.0 0.0 0.0,efinite(large strain),100.,Unom(eng)=10.3,H,sy,Enhanced Input for BARs,PBARN1 nonlinear property extension for PBAR
9、(L),SECT:S smeared cross sectionN numercally integrated,R:curved pipe(not available yet),Enhanced Input for BARs (cont.),Example for PBARN1 (same model as before),BEGIN BULKNLMOPTS LRGST 1$.2.3.4.5.6.7.8.9.0NLPARM 1 1 FNT 15 PV YES+ 1.-7 -3.PBARL 10 1 BAR+ 10. 10.PBARN1 10 1 NCBAR 101 10 1 2 0. 1. 0
10、.,N O N L I N E A R S T R E S S E S I N B A R E L E M E N T S ( C B A R ) ELEMENT GRID POINT STRESS EQUIVALENT TOTAL STRAIN EFF. STRAIN EFF. CREEP ID ID STRESS PLASTIC/NLELAST STRAIN0 1 1 C 3.000000E+02 3.000000E+02 1.030000E-01 9.999997E-02 0.0 D 3.000000E+02 3.000000E+02 1.030000E-01 9.999997E-02
11、0.0 E 3.000000E+02 3.000000E+02 1.030000E-01 9.999997E-02 0.0 F 3.000000E+02 3.000000E+02 1.030000E-01 9.999997E-02 0.0 2 C 3.000000E+02 3.000000E+02 1.030000E-01 9.999997E-02 0.0 D 3.000000E+02 3.000000E+02 1.030000E-01 9.999997E-02 0.0 E 3.000000E+02 3.000000E+02 1.030000E-01 9.999997E-02 0.0 F 3.
12、000000E+02 3.000000E+02 1.030000E-01 9.999997E-02 0.0,enom(eng) no finite strain available,PBAR will always beSECT=S and linear elastic,Enhanced Input for BEAMs,PBEMN1 nonlinear property extension for PBEAM(L),same as for BAR,Enhanced Input for BEAMs (cont.),Example for PBEMN1 (same model as before)
13、,BEGIN BULKNLMOPTS LRGST 1$.2.3.4.5.6.7.8.9.0NLPARM 1 1 FNT 15 PV YES+ 1.-7 -3.PBEAML 10 1 BAR+ 10. 10.PBEMN1 10 1 NCBEAM 101 10 1 2 0. 1. 0.,PBEAM will always beSECT=S and linear elastic,N O N L I N E A R S T R E S S E S I N B E A M E L E M E N T S ( C B E A M ) ELEMENT GRID POINT STRESS EQUIVALENT
14、 TOTAL STRAIN EFF. STRAIN EFF. CREEP ID ID STRESS PLASTIC/NLELAST STRAIN0 1 1 C 3.000000E+02 3.000000E+02 1.030000E-01 9.999997E-02 0.0 D 3.000000E+02 3.000000E+02 1.030000E-01 9.999997E-02 0.0 E 3.000000E+02 3.000000E+02 1.030000E-01 9.999997E-02 0.0 F 3.000000E+02 3.000000E+02 1.030000E-01 9.99999
15、7E-02 0.0 2 C 3.000000E+02 3.000000E+02 1.030000E-01 9.999997E-02 0.0 D 3.000000E+02 3.000000E+02 1.030000E-01 9.999997E-02 0.0 E 3.000000E+02 3.000000E+02 1.030000E-01 9.999997E-02 0.0 F 3.000000E+02 3.000000E+02 1.030000E-01 9.999997E-02 0.0,same results as for BAR,PLPLANE,PSHLN2,from previous,Enh
16、anced,Enhanced Input for 2D Solids,+,MAT1,MAT2,MAT8,MATHE,MATS1,MATEP,MATVE,MATVP,MATF,MATEP,MATVE,MATVP,MATF,MATEP,MATVE,MATF,MATVE,MAT3,MATort,MATVE,MATVP,MATF,MATEP,MATVE,MATVP,MATF,MATG,MATHP,MATS3,MATEP,MATS8,MATSort,PSHLN2 nonlinear property extension for PLPLANE,Enhanced Input for 2D Solids (
17、cont.),Enhanced Input for 2D Solids (cont.),MID (materials) and DIRECT (layer orientation),for COMPS and AXCOMP:,Enhanced Input for 2D Solids (cont.),will be shown later with PLCOMP,for AXCOMP,for COMPS,Small Test Case to show the Results Formats,Enhanced Input for 2D Solids (cont.),QUAD4, 10x10x10
18、mmE=100 GPan=0.3,yb,1,2, 12,3, 1,4,xb,1.5E4,1.5E4,Test Case applied to Plane Stress,BEGIN BULK$.2.3.4.5.6.7.8.9.0MAT1 1 100000. 0.3MATEP 1 200. 1000.PLPLANE 1 1PSHLN2 1 1 10.+ C4 PSTRCQUAD4 101 1 1 2 3 4,sym. axis for AXSO,Enhanced Input for 2D Solids (cont.),Results for Plane Stress,N O N L I N E A
19、 R S T R E S S E S I N P L A N A R Q U A D R I L A T E R A L E L E M E N T S ( QUAD4FD ) ELEMENT GRID/ POINT CAUCHY STRESSES/ LOG STRAINS PRESSURE VOL. STRAIN ID GAUSS ID X Y Z XY0 1 GRID 1 -2.772397E+02 -1.459266E-03 0.0 4.303163E-14 -9.241373E+01 -4.055405E-02 -8.001141E-02 3.945735E-02 0.0 -6.114
20、626E-18 2 -2.772397E+02 -1.459266E-03 0.0 -4.980505E-14 -9.241373E+01 -4.055405E-02 -8.001141E-02 3.945735E-02 0.0 3.866429E-18 3 -2.772397E+02 -1.459266E-03 0.0 -4.544615E-14 -9.241373E+01 -4.055405E-02 -8.001141E-02 3.945735E-02 0.0 5.076220E-18 4 -2.772397E+02 -1.459266E-03 0.0 6.207892E-14 -9.24
21、1373E+01 -4.055405E-02 -8.001141E-02 3.945735E-02 0.0 -4.885475E-18,S T R E S S E S I N P L A N A R Q U A D R I L A T E R A L E L E M E N T S ( QUAD4FD ) ELEMENT GRID/ POINT -CAUCHY STRESSES- PRINCIPAL STRESSES (ZERO SHEAR) ID GAUSS ID NORMAL-X NORMAL-Y SHEAR-XY ANGLE MAJOR MINOR0 1 GAUS 1 -2.772397
22、E+02 -1.459266E-03 2.591385E-14 90.0000 -1.459266E-03 -2.772397E+02 2 -2.772397E+02 -1.459266E-03 -2.774897E-14 -90.0000 -1.459266E-03 -2.772397E+02 3 -2.772397E+02 -1.459266E-03 3.692384E-14 90.0000 -1.459266E-03 -2.772397E+02 4 -2.772397E+02 -1.459266E-03 -2.522938E-14 -90.0000 -1.459266E-03 -2.77
23、2397E+02,NLSTRESS = ALL,STRESS = ALL,This is a limitation right now that 2D resultsare always in the format of hyperelastic material,Enhanced Input for 2D Solids (cont.),Test Case applied to Plane Strain,BEGIN BULK$.2.3.4.5.6.7.8.9.0MAT1 1 100000. 0.3PLPLANE 10 1PSHLN2 10 1+ C4 PLSTRNCQUAD4 101 10 1
24、 2 3 4,N O N L I N E A R S T R E S S E S I N P L A N A R Q U A D R I L A T E R A L E L E M E N T S ( QUAD4FD ) ELEMENT GRID/ POINT CAUCHY STRESSES/ LOG STRAINS PRESSURE VOL. STRAIN ID GAUSS ID X Y Z XY0 1 GRID 1 -2.870081E+02 -1.924351E-03 -1.667499E+02 8.993561E-14 -1.512533E+02 -1.815040E-03 -4.60
25、7959E-02 4.426455E-02 0.0 3.228621E-17 2 -2.870081E+02 -1.924351E-03 -1.667499E+02 3.974964E-15 -1.512533E+02 -1.815040E-03 -4.607959E-02 4.426455E-02 0.0 2.744412E-18 3 -2.870081E+02 -1.924351E-03 -1.667499E+02 -8.923872E-14 -1.512533E+02 -1.815040E-03 -4.607959E-02 4.426455E-02 0.0 -3.622263E-17 4
26、 -2.870081E+02 -1.924351E-03 -1.667499E+02 -1.429180E-14 -1.512533E+02 -1.815040E-03 -4.607959E-02 4.426455E-02 0.0 -1.277675E-17,S T R E S S E S I N P L A N A R Q U A D R I L A T E R A L E L E M E N T S ( QUAD4FD ) ELEMENT GRID/ POINT -CAUCHY STRESSES- PRINCIPAL STRESSES (ZERO SHEAR) ID GAUSS ID NO
27、RMAL-X NORMAL-Y SHEAR-XY ANGLE MAJOR MINOR0 1 GAUS 1 -2.870081E+02 -1.924351E-03 5.097109E-14 90.0000 -1.924351E-03 -2.870081E+02 2 -2.870081E+02 -1.924351E-03 1.282847E-15 90.0000 -1.924351E-03 -2.870081E+02 3 -2.870081E+02 -1.924351E-03 -9.275978E-15 -90.0000 -1.924351E-03 -2.870081E+02 4 -2.87008
28、1E+02 -1.924351E-03 -5.259789E-14 -90.0000 -1.924351E-03 -2.870081E+02,NLSTRESS,STRESS,Enhanced Input for 2D Solids (cont.),Test Case applied to Axisymmetric,BEGIN BULK$.2.3.4.5.6.7.8.9.0MAT1 1 100000. 0.3PLPLANE 10 1PSHLN2 10 1+ C4 AXSOCQUADX 101 10 1 2 3 4,N O N L I N E A R S T R E S S E S IN A X
29、I S Y M M E T R I C Q U A D R I L A T E R A L ELEMENTS (QUADX4FD) ELEMENT GRID/ POINT CAUCHY STRESSES/ LOG STRAINS PRESSURE VOL. STRAIN ID GAUSS ID RADIAL(X) AXIAL(Y) THETA(Z) XY0 1 GRID 1 -3.395956E-01 -3.411921E-02 4.789650E+01 3.406230E-02 1.584093E+01 1.900911E-04 -1.469831E-04 -1.430119E-04 4.8
30、00861E-04 8.856200E-07 2 -1.352211E-01 3.400619E-02 4.762400E+01 3.406232E-02 1.584093E+01 1.900911E-04 -1.443262E-04 -1.421263E-04 4.765436E-04 8.856204E-07 3 -1.352211E-01 3.400619E-02 4.762400E+01 -3.406232E-02 1.584093E+01 1.900911E-04 -1.443262E-04 -1.421263E-04 4.765436E-04 -8.856204E-07 4 -3.
31、395956E-01 -3.411921E-02 4.789650E+01 -3.406230E-02 1.584093E+01 1.900911E-04 -1.469831E-04 -1.430119E-04 4.800861E-04 -8.856200E-07,Modifications to Model inner radius 1000 mm SPC at grid 1 in y only,S T R E S S E S I N A X I S Y M M E T R I C Q U A D R I L A T E R A L E L E M E N T S (QUADX4FD) EL
32、EMENT GRID/ POINT -CAUCHY STRESSES- PRINCIPAL STRESSES (ZERO SHEAR) ID GAUSS ID RADIAL(X) AXIAL(Y) SHEAR-XY ANGLE MAJOR MINOR0 1 GAUS 1 -2.964761E-01 -1.974593E-02 1.968919E-02 85.9506 -1.835208E-02 -2.978700E-01 2 -1.783406E-01 1.963291E-02 1.968920E-02 84.3751 2.157208E-02 -1.802797E-01 3 -2.964761E-01 -1.974593E-02 -1.968919E-02 -85.9506 -1.835208E-02 -2.978700E-01 4 -1.783406E-01 1.963291E-02 -1.968920E-02 -84.3751 2.157208E-02 -1.802797E-01,NLSTRESS,STRESS,below yield,PSOLID,MAT1,MAT9,MATS1,PSLDN1,from previous,Enhanced,+,MAT1,MAT9,MATHE,MATS1,MATEP,MATVE,MATVP,MATF,MATEP,MATVE,
