*Heading
SIMPLE VERIFICATION OF EXTERIOR EIGENANALYSIS
*Preprint, echo=NO, model=NO, history=NO, contact=NO
**
** PARTS
**
*Part, name=Duct
*End Part
**
**
** ASSEMBLY
**
*Assembly, name=Assembly
**
*Instance, name=Duct-1, part=Duct
*Node
1, 0., 0.00999999978
2, 0., 0.
3, 0.0100000007, 0.00999999978
4, 0.00999999978, 0.
5, 0.0200000014, 0.00999999978
6, 0.0199999996, 0.
7, 0.0300000012, 0.00999999978
8, 0.0299999993, 0.
9, 0.0400000028, 0.00999999978
10, 0.0400000028, 0.
11, 0.0500000007, 0.00999999978
12, 0.0500000007, 0.
13, 0.0600000024, 0.00999999978
14, 0.0600000024, 0.
15, 0.0700000003, 0.00999999978
16, 0.0700000003, 0.
17, 0.0800000057, 0.00999999978
18, 0.0800000057, 0.
19, 0.0900000036, 0.00999999978
20, 0.0900000036, 0.
21, 0.100000001, 0.00999999978
22, 0.100000001, 0.
*Element, type=ACAX4
1, 1, 2, 4, 3
2, 3, 4, 6, 5
3, 5, 6, 8, 7
4, 7, 8, 10, 9
5, 9, 10, 12, 11
6, 11, 12, 14, 13
7, 13, 14, 16, 15
8, 15, 16, 18, 17
9, 17, 18, 20, 19
10, 19, 20, 22, 21
*Nset, nset=_PickedSet2, internal, generate
1, 22, 1
*Elset, elset=_PickedSet2, internal, generate
1, 10, 1
** Region: (Section-1:Picked)
*Elset, elset=_PickedSet2, internal, generate
1, 10, 1
** Section: Section-1
*Solid Section, elset=_PickedSet2, material=water_hm
1.,
*End Instance
**
*Instance, name=Duct-2, part=Duct
0., 0.03, 0.
*Node
1, 0., 0.00999999978
2, 0., 0.
3, 0.0200000014, 0.00999999978
4, 0.0199999996, 0.
5, 0.0400000028, 0.00999999978
6, 0.0399999991, 0.
7, 0.0600000024, 0.00999999978
8, 0.0599999987, 0.
9, 0.0800000057, 0.00999999978
10, 0.0800000057, 0.
11, 0.100000001, 0.00999999978
12, 0.100000001, 0.
13, 0., 0.00499999989
14, 0.00999999978, 0.
15, 0.0199999996, 0.00499999989
16, 0.0100000007, 0.00999999978
17, 0.0299999993, 0.
18, 0.0399999991, 0.00499999989
19, 0.0300000012, 0.00999999978
20, 0.049999997, 0.
21, 0.0600000024, 0.00499999989
22, 0.0500000045, 0.00999999978
23, 0.0700000003, 0.
24, 0.0800000057, 0.00499999989
25, 0.0700000077, 0.00999999978
26, 0.0900000036, 0.
27, 0.100000001, 0.00499999989
28, 0.0900000036, 0.00999999978
*Element, type=ACAX8
1, 1, 2, 4, 3, 13, 14, 15, 16
2, 3, 4, 6, 5, 15, 17, 18, 19
3, 5, 6, 8, 7, 18, 20, 21, 22
4, 7, 8, 10, 9, 21, 23, 24, 25
5, 9, 10, 12, 11, 24, 26, 27, 28
*Nset, nset=_PickedSet2, internal, generate
1, 28, 1
*Elset, elset=_PickedSet2, internal, generate
1, 5, 1
** Region: (Section-1:Picked)
*Elset, elset=_PickedSet2, internal, generate
1, 5, 1
** Section: Section-1
*Solid Section, elset=_PickedSet2, material=water_hm
1.,
*End Instance
**
*Instance, name=Duct-3, part=Duct
0., 0.015, 0.
*Node
1, 0., 0.00999999978
2, 0., 0.
3, 0.100000001, 0.
4, 0.100000001, 0.00999999978
5, 0.00999999978, 0.
6, 0.0199999996, 0.
7, 0.0299999993, 0.
8, 0.0399999991, 0.
9, 0.0500000007, 0.
10, 0.0599999987, 0.
11, 0.0700000003, 0.
12, 0.0799999982, 0.
13, 0.0900000036, 0.
14, 0.0900000036, 0.00999999978
15, 0.0799999982, 0.00999999978
16, 0.0700000003, 0.00999999978
17, 0.0599999987, 0.00999999978
18, 0.0500000007, 0.00999999978
19, 0.0399999991, 0.00999999978
20, 0.0299999993, 0.00999999978
21, 0.0199999996, 0.00999999978
22, 0.00999999978, 0.00999999978
*Element, type=ACAX3
1, 2, 5, 1
2, 22, 6, 21
3, 20, 7, 19
4, 18, 8, 9
5, 17, 10, 16
6, 16, 11, 15
7, 15, 11, 12
8, 15, 12, 14
9, 14, 12, 13
10, 14, 13, 4
11, 13, 3, 4
12, 16, 10, 11
13, 17, 9, 10
14, 18, 9, 17
15, 19, 8, 18
16, 8, 19, 7
17, 7, 20, 6
18, 20, 21, 6
19, 6, 22, 5
20, 22, 1, 5
*Nset, nset=_PickedSet2, internal, generate
1, 22, 1
*Elset, elset=_PickedSet2, internal, generate
1, 20, 1
** Region: (Section-1:Picked)
*Elset, elset=_PickedSet2, internal, generate
1, 20, 1
** Section: Section-1
*Solid Section, elset=_PickedSet2, material=water_hm
1.,
*End Instance
**
*Instance, name=Duct-4, part=Duct
0., 0.045, 0.
*Node
1, 0., 0.00999999978
2, 0., 0.
3, 0.100000001, 0.
4, 0.100000001, 0.00999999978
5, 0.0199999996, 0.
6, 0.0399999991, 0.
7, 0.0599999987, 0.
8, 0.0799999982, 0.
9, 0.0799999982, 0.00999999978
10, 0.0599999987, 0.00999999978
11, 0.0399999991, 0.00999999978
12, 0.0199999996, 0.00999999978
13, 0.00999999978, 0.
14, 0.00999999978, 0.00499999989
15, 0., 0.00499999989
16, 0.0299999993, 0.00499999989
17, 0.0399999991, 0.00499999989
18, 0.0299999993, 0.00999999978
19, 0.0599999987, 0.00499999989
20, 0.0700000003, 0.00499999989
21, 0.0700000003, 0.00999999978
22, 0.0700000003, 0.
23, 0.0799999982, 0.00499999989
24, 0.0900000036, 0.00499999989
25, 0.0899999961, 0.00999999978
26, 0.0899999961, 0.
27, 0.100000001, 0.00499999989
28, 0.049999997, 0.00499999989
29, 0.049999997, 0.00999999978
30, 0.049999997, 0.
31, 0.0199999996, 0.00499999989
32, 0.0299999993, 0.
33, 0.00999999978, 0.00999999978
*Element, type=ACAX6
1, 2, 5, 1, 13, 14, 15
2, 12, 6, 11, 16, 17, 18
3, 10, 7, 9, 19, 20, 21
4, 9, 7, 8, 20, 22, 23
5, 9, 8, 4, 23, 24, 25
6, 8, 3, 4, 26, 27, 24
7, 11, 7, 10, 28, 19, 29
8, 7, 11, 6, 28, 17, 30
9, 6, 12, 5, 16, 31, 32
10, 12, 1, 5, 33, 14, 31
*Nset, nset=_PickedSet2, internal, generate
1, 33, 1
*Elset, elset=_PickedSet2, internal, generate
1, 10, 1
** Region: (Section-1:Picked)
*Elset, elset=_PickedSet2, internal, generate
1, 10, 1
** Section: Section-1
*Solid Section, elset=_PickedSet2, material=water_hm
1.,
*End Instance
**
*Elset, elset=_bottom_S3, internal, instance=Duct-1
10,
*Elset, elset=_bottom_S3, internal, instance=Duct-2
5,
*Elset, elset=_bottom_S2, internal, instance=Duct-4
6,
*Elset, elset=_bottom_S2, internal, instance=Duct-3
11,
*Surface, type=ELEMENT, name=bottom
_bottom_S3, S3
_bottom_S2, S2
*End Assembly
**
** MATERIALS
**
*Material, name=water_hm
*Acoustic Medium
2.25e+07,
*Density
1000.,
**
***********************************************
*STEP
REAL EIGENANALYSIS
*frequency
12,21.0, 3730.0
**
*OUTPUT, FIELD
*NODE OUTPUT
POR
*END STEP
***********************************************
*STEP
REAL EIGENANALYSIS
*frequency
12,21.0, 3730.0
*SIMPEDANCE,NON=SPH
bottom,0.2
*OUTPUT, FIELD
*NODE OUTPUT
POR
*END STEP
***********************************************