Table of Contents
Transition elements, BEAM71D1
Problem
Mesh
| element | type | nodes |
|---|---|---|
| 1 | 56 | 1 2 3 4 5 6 7 8 25 26 27 28 29 30 31 32 33 34 35 36 |
| 2 | 61 | 9 10 12 11 37 38 39 40 |
| 3 | 56 | 13 14 15 16 17 18 19 20 41 42 43 44 45 46 47 48 49 50 51 52 |
| 4 | 61 | 21 22 24 23 53 54 55 56 |
| 5 | 71 | element 1 face S6 ↔ element 2 edge L1 |
| 6 | 71 | element 2 edge L3 ↔ element 3 face S1 |
| 7 | 71 | element 3 face S6 ↔ element 4 edge L1 |
Boundary conditions
$u=v=w=0$ at nodes 1, 2, 3, 4, 25, 26, 27, 28
Computation
The computation is executed with the following commands:
- beam71d1.bat
rmd3 beam71d1.i1 rpd3 beam71d1.i2 srh3 beam71d1.i3 fefs beam71d1.i4 hmot beam71d1.iM heig beam71d1.iE hfrq beam71d1.iF
Input
- beam71d1.i1
; NELEM NNOD ITED IP 7 56 56 ; CRIT SCALE THDEF RP 1.01 1 0.01 XY N 1:24 X 4*0 6*0.25 6*0.5 6*0.75 2*1 Y =A 2*(0 0.02 0.02 0) =A =B 2*(0 0.02) =B =A =B Z =A 2*(0 0 0.01 0.01) =A =B 4*0.005 =B =A =B EL E 1 3 N =A 1:8 =A =B 25:36 =B =12A =16B EL T 61 E 2 4 N =A 9 10 12 11 =A =B 37:40 =B =12A =16B CN T -3 E 5 1 6 2 1 E 6 2 3 3 1 E 7 3 6 4 1 EN EN
- beam71d1.i2
; KREST IP 1 ; E α ν ρ MP 1 T 1 V 2e11 0 0.3 7800 AS 1 /M 1 /B 0 N 1:4 25:28 EN EN
- beam71d1.i3
; KREST IP 1 EN EN
- beam71d1.i4
; KREST IP 1 EN EN
- beam71d1.iM
; KDIAG KPRIN IP 1 0 EN EN
- beam71d1.iE
; KREST NROOT NITERX KTPR KEVP IP 1 10 0 0 0 EN EN
- beam71d1.iF
; KPRIN KOUT IVL IVU IP 0 0 0 0 EN EN
Output
- beam71d1.oF
; KPRIN KOUT IVL IVU IP 0 0 0 0 EN EN FREQUENCIES [1/s] 0.844573E+01 0.168540E+02 0.550039E+02 0.112030E+03 0.174563E+03 0.354233E+03 0.422366E+03 0.662063E+03 0.826678E+03 0.914590E+03 * END OF HFRQ * TOTAL CPU: 00:00:00