FEM 基礎課題 - emsco-jp.com

1 CAE FEM CAE 1 1. FEM .. 3 2.. 4 .. 4 .. 5 FEMAP .. 6 nastran FEMAP .. 7 nastran Bulk Data .. 8 nastran .. 9 nastran .. 10 nastran FEMAP .. 11 FEMAP .. 12 .. 13 ABAQUS FEMAP .. 15 ABAQUS .. 17 ABAQUS .. 18 ABAQUS FEMAP .. 19 2 .. 20 3 .. 21 .. 22 4 .. 23 .. 24 .. 25 5 .. 27 .. 28 6 .. 29 .. 30 7 .. 31 .. 32 .. 33 CAE 2 8 .. 34 .. 35 .. 36 CAE 3 1. FEM FEM FEM CAD nastran Bulk Data nastran FEMAP nastran FEMAP CAE 4 2.

2 nastran Abaqus FEM 10mm 10mm 10mm E= [N/mm2] = 10[N/mm2] X Z CAE 5 X Y Z +X Z +Y Z X Y CAE 6 FEMAP CAE 7 nastran FEMAP nastran C:\WORK\ CAE 8 nastran Bulk Data Bulk Data $ SOL SESTATICS TIME 1000 CEND $ ECHO = NONE DISPLACEMENT(PLOT) = ALL SPCFORCE(PLOT) = ALL OLOAD(PLOT) = ALL FORCE(PLOT,CORNER) = ALL STRESS(PLOT,CORNER) = ALL SPC = 1 LOAD = 1 $ BEGIN BULK $ PARAM,POST,-1 PARAM,OGEOM,NO PARAM,AUTOSPC,YES PARAM,GRDPNT,0 $ $ ++++++ MODEL DATA ++++++ GRID 1 0 0 GRID 2 0 0 GRID 3 0 0 CHEXA 1 1 58 59 60 70 8 9+EL H +EL H 10 45 CHEXA 2 1 57 58 70 71 32 8+EL I +EL I 45 21 MAT1 2 210000.

3 PSOLID 1 1 0 $ SPC 1 6 3456 0. SPC 1 8 3456 0. $ PLOAD4 1 65 10. 133 135 PLOAD4 1 66 10. 132 145 $ ENDDATA SOL SESTATICS SPC/LOAD ID DISPLACEMENT BEGIN BULK ENDDATA / / / 1 6 CAE 9 nastran N: cd emsco_N enas 2008 **.nas nastran JOB enac CAE 10 nastran **.

4 Op2 **.f06 **.f04 **.log **.f06 FATAL FATAL FATAL .f06 .f04 DB .op2 .log .DBALL .MASTER CAE 11 nastran FEMAP nastran **.op2 Open CAE 12 FEMAP F5 T3 Translation Z = = T1 T3 R1 R3 Von Mises Stress CAE 13 FEM ---------------------------------------- ---------------------------------------- ---- ]/[ ][100][100022mmNmmN= ---------------------------------------- ---------------------------------------- --- ]/[ ]/[ =mmNmmN ---------------------------------------- ------------------------------- ][ ][ 10mm A=100[mm2] P=1000[N] 100[mm2] 10[N/mm2]

5 E= [N/mm2] = =P /A FEM 11 =E = /E = / = FEM Z 11 CAE 14 X ---------------------------------------- ------------------------------- = ][ ][ X Z -X +X = / = = / X +| | = -Z CAE 15 ABAQUS FEMAP nastran ABAQUS C:\WORK\ CAE 16 C:\WORK\ Step1 Step2 Cancel CAE 17 ABAQUS *NODE, NSET=GLOBAL 1, 0.

6 , 0., 0. 2, 10., 0., 0. 3, 10., 10., 0. *ELEMENT, TYPE=C3D8, ELSET=P1 26, 5, 6, 12, 11, 41, 42, 48, 47 27, 6, 7, 13, 12, 42, 43, 49, 48 28, 7, 8, 14, 13, 43, 44, 50, 49 *SOLID SECTION, ELSET=P1, MATERIAL=M1, ORIENTATION=S0 *MATERIAL, NAME=M1 *ELASTIC, TYPE=ISOTROPIC 210000., , 0. ** Load Step 1 ** *STEP, INC=100 *STATIC *NODE PRINT CF, RF, U, *EL PRINT, ELSET=OUT_CONT, POSITION=CENTROIDAL S, SINV, *EL PRINT, ELSET=OUT_CONT,POSITION=NODES S, SINV, *FILE FORMAT, ASCII *NODE FILE CF, RF, U, *EL FILE, ELSET=OUT_CONT, POSITION=CENTROIDAL S, SINV, *EL FILE, ELSET=OUT_CONT,POSITION=NODES S, SINV, *BOUNDARY, OP=NEW 1, 1 1, 2 1, 3 *DLOAD, OP=NEW 26,P6 , 1.

7 31,P6 , 1. 36,P6 , 1. *END STEP / * * / *SOLID * STATIC / * * *STEP *END STEP CAE 18 ABAQUS Q: cd emsco_N eabq **.inp ABAQUS JOB eabc emsco_K CAE 19 ABAQUS FEMAP nastran ABAQUS **.fil Open CAE 20 2 nastran E= [N/mm2] = Z -500[N] 5[mm] 20[mm] 100[mm] 500[N] X Y CAE 21 3 nastran E= [N/mm2] = X Y Z +Y Z -500[N] 5[mm] 20[mm] 100[mm] 500[N] X Y X Y Z +Y CAE 22 / !

8 [N] [N] 2 1 = /2 + /2 500[N] 8 2 CAD CAE 23 4 nastran E= [N/mm2] = X Y Z Z -500[N] 5[mm] 20[mm] 100[mm] 500[N] X Y CAE 24 4 1 2 [N] [N] [N] + /2 + /4 500[N]

9 16 2 2 CAE 25 ---------------------------------------- ---------------------------------------- ---- Mmax Z Mmax 100[mm] 500[N] 50000[N mm] Z ][ ][mm5][20322mmmm= ]/[ ][ ][5000023mmNmmmmN= ---------------------------------------- ---------------------------------------- --- I 2 I ][ ][5][20433mmmmmm= ][ ][ ]/[ ][100][5004233mmmmmmNmmN= A=100[mm2] h=5[mm] b=20[mm] L=100[mm] P=500[N] E= [N/mm2] = L=100[mm] P=500[N] =Mmax /Z Mmax =L P Z = b h2 /6 = P L3 / 3 E I 2 I 2 = b h3 /12 CAE 26 FEM = [N/mm2] = [mm] [mm] [N/mm2] [mm] [N/mm2] CAE 27 5 4 1/2 4 2 E= [N/mm2] = X Y Z Z -500[N]

10 5[mm] 20[mm] 100[mm] 500[N] X Y CAE 28 24 24 = [N/mm2] = [mm] [mm] [N/mm2] 4 [mm] [N/mm2] [mm] [N/mm2] CAE 29 6 nastran FEM E= [N/mm2] = X Y Z X +500[N] 5[mm] 20[mm] 100[mm] 500[N] X Y CAE 30 ---------------------------------------- ---------------------------------------- ---- ]/[ ][100][50022mmNmmN= ---------------------------------------- ---------------------------------------- --- ][ ]/[ ][100][100][500322mmmmNmmmmN = A=100[mm2] h=5[mm] b=20[mm] P=500[N] E= [N/mm2] = =P /A = P L / A E P=500[N] L=100[mm] CAE 31 7 nastran FEM E= [N/mm2] = X Y Z X +500[N mm] 5[mm] 20[mm] 100[mm] 500[N mm]