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本帖最后由 zsq-w 于 2011-3-25 21:34 编辑
**HEADING
THE BOLT
**SI UNITS (N, mm, kg, s)
*******************************************************************
** **
** M20 BOLT WITH NUT **
** **
*******************************************************************
**PREPRINT, ECHO=YES, HISTORY=YES, MODEL=YES
**RESTART, WRITE, FREQ=1
**FILE FORMAT, ZERO INCREMENT
*******************************************************************
** **
** PARAMETER **
** **
*******************************************************************
*PARAMETER
TFL = 10.00 # THE THICKNESS OF FLEXIBLE END PLATE
CFT = 17.30 # COLUMN FLANGE THICKNESS (UC 254X254X89)
GAP3 = 0.3 # GAPS BETWEEN END PLATE AND COLUMN FLANGE OR OTHERS
DB = 18.00 # BOLT DIAMETER
BHT = 15.40 # BOLT HEAD THICKNESS
BHD = 34.00 # BOLT HEAD DIAMETER
NTH = 12.70 # NUT THICKNESS
NDI = 34.00 # NUT DIAMETER
WATH = 2 # WASHER THICKNESS
**-----------------------------------------------------------------
THI1=TFL+CFT+GAP3 #END PLATE THICKNESS PLUS COLUMN FLANGE THICKNESS
THI2=8.00 #THE THICKNESS FOR THE TOP BIT OF BOLT
R1 = 6.00 #INTERNAL RADIUS OF MESH
R1a= R1/4
R1b= 2*R1/4
R1c= 3*R1/4
XX1= 3*R1/10
YY1= 3*R1/10
XX2= 6*R1/10
YY2= R1/3
XX3= R1/3
YY3= 6*R1/10
R2 = DB/2
R4 = BHD/2
R3 = (DB/2+BHD/2)/2
*******************************************************************
** **
** CREAT BOLT NODES **
** **
*******************************************************************
*NODE
1 ,<R1>,0.0,0.0
33,<R1>,0.0,0.0
34,0.0,0.0,0.0
101,<R2>,0.0,0.0
133,<R2>,0.0,0.0
*NGEN,LINE=C,NSET=CIRCLE-1
1,33,1,34,0.0,0.0,0.0,0.0,0.0,1.0
*NGEN,LINE=C,NSET=CIRCLE-2
101,133,1,34,0.0,0.0,0.0,0.0,0.0,1.0
**
*NODE
35,<R1a>,0.0,0.0
36,<R1b>,0.0,0.0
37,<R1c>,0.0,0.0
**
38,<XX1>,<YY1>,0.0
39,<XX2>,<YY2>,0.0
40,<XX3>,<YY3>,0.0
*NSET,NSET=C-NODE-1,GENERATE
35,40,1
*NCOPY,OLD SET=C-NODE-1,CHANGE NUMBER=10,SHIFT,NEW SET=C-NODE-2
0.0,0.0,0.0
0.0,0.0,0.0,0.0,0.0,1.0,90
*NCOPY,OLD SET=C-NODE-1,CHANGE NUMBER=20,SHIFT,NEW SET=C-NODE-3
0.0,0.0,0.0
0.0,0.0,0.0,0.0,0.0,1.0,180
*NCOPY,OLD SET=C-NODE-1,CHANGE NUMBER=30,SHIFT,NEW SET=C-NODE-4
0.0,0.0,0.0
0.0,0.0,0.0,0.0,0.0,1.0,270
**
*NSET,NSET=BOLT-1,GENERATE
1,32,1
34,40,1
45,50,1
55,60,1
65,70,1
101,132,1
*NCOPY, OLD SET=BOLT-1, CHANGE NUMBER=3000, NEW SET=BOLT-4, SHIFT
0.0, 0.0, <BHT>,
0.0, 0.0, 0.0, 0.0, 0.0, 0.0
*NFILL,NSET=BOLT-IN-1
BOLT-1,BOLT-4,3,1000
**
*NCOPY, OLD SET=BOLT-4, CHANGE NUMBER=6000, NEW SET=BOLT-10, SHIFT
0.0, 0.0, <THI1>,
0.0, 0.0, 0.0, 0.0, 0.0, 0.0
*NFILL,NSET=BOLT-IN-2
BOLT-4,BOLT-10,6,1000
**
*NCOPY, OLD SET=BOLT-10, CHANGE NUMBER=3000, NEW SET=BOLT-13, SHIFT
0.0, 0.0, <NTH>,
0.0, 0.0, 0.0, 0.0, 0.0, 0.0
*NFILL,NSET=BOLT-IN-3
BOLT-10,BOLT-13,3,1000
**
*NCOPY, OLD SET=BOLT-13, CHANGE NUMBER=2000, NEW SET=BOLT-15, SHIFT
0.0, 0.0, <THI2>,
0.0, 0.0, 0.0, 0.0, 0.0, 0.0
*NFILL,NSET=BOLT-IN-4
BOLT-13,BOLT-15,2,1000
**
*ELEMENT,TYPE=C3D8R
1,37,1,2,3,1037,1001,1002,1003
2,39,3,4,5,1039,1003,1004,1005
3,40,5,6,7,1040,1005,1006,1007
4,47,7,8,9,1047,1007,1008,1009
5,47,9,10,11,1047,1009,1010,1011
6,49,11,12,13,1049,1011,1012,1013
7,50,13,14,15,1050,1013,1014,1015
8,57,15,16,17,1057,1015,1016,1017
9,57,17,18,19,1057,1017,1018,1019
10,59,19,20,21,1059,1019,1020,1021
11,60,21,22,23,1060,1021,1022,1023
12,67,23,24,25,1067,1023,1024,1025
13,67,25,26,27,1067,1025,1026,1027
14,69,27,28,29,1069,1027,1028,1029
15,70,29,30,31,1070,1029,1030,1031
16,37,31,32,1,1037,1031,1032,1001
17,34,35,38,45,1034,1035,1038,1045
18,34,45,48,55,1034,1045,1048,1055
19,34,55,58,65,1034,1055,1058,1065
20,34,65,68,35,1034,1065,1068,1035
21,65,66,69,68,1065,1066,1069,1068
22,66,67,27,69,1066,1067,1027,1069
23,68,69,29,70,1068,1069,1029,1070
24,35,68,70,36,1035,1068,1070,1036
25,36,70,31,37,1036,1070,1031,1037
26,35,36,39,38,1035,1036,1039,1038
27,36,37,3,39,1036,1037,1003,1039
28,38,39,5,40,1038,1039,1005,1040
29,38,40,46,45,1038,1040,1046,1045
30,46,40,7,47,1046,1040,1007,1047
32,46,47,11,49,1046,1047,1011,1049
33,48,49,13,50,1048,1049,1013,1050
35,56,50,15,57,1056,1050,1015,1057
37,56,57,19,59,1056,1057,1019,1059
38,58,59,21,60,1058,1059,1021,1060
40,66,60,23,67,1066,1060,1023,1067
**
*ELSET,ELSET=BOE-1,GENERATE
26,29,3
*ELCOPY,ELEMENT SHIFT=5,OLD SET=BOE-1,SHIFT NODES=10,NEW SET=BOE-2
*ELCOPY,ELEMENT SHIFT=10,OLD SET=BOE-1,SHIFT NODES=20,NEW SET=BOE-3
*ELSET,ELSET=BOLT-1,GENERATE
1,40,1
*ELCOPY,ELEMENT SHIFT=100,OLD SET=BOLT-1,SHIFT NODES=1000,NEW SET=BOLT-2
*ELCOPY,ELEMENT SHIFT=100,OLD SET=BOLT-2,SHIFT NODES=1000,NEW SET=BOLT-3
*ELCOPY,ELEMENT SHIFT=100,OLD SET=BOLT-3,SHIFT NODES=1000,NEW SET=BOLT-4
*ELCOPY,ELEMENT SHIFT=100,OLD SET=BOLT-4,SHIFT NODES=1000,NEW SET=BOLT-5
*ELCOPY,ELEMENT SHIFT=100,OLD SET=BOLT-5,SHIFT NODES=1000,NEW SET=BOLT-6
*ELCOPY,ELEMENT SHIFT=100,OLD SET=BOLT-6,SHIFT NODES=1000,NEW SET=BOLT-7
*ELCOPY,ELEMENT SHIFT=100,OLD SET=BOLT-7,SHIFT NODES=1000,NEW SET=BOLT-8
*ELCOPY,ELEMENT SHIFT=100,OLD SET=BOLT-8,SHIFT NODES=1000,NEW SET=BOLT-9
*ELCOPY,ELEMENT SHIFT=100,OLD SET=BOLT-9,SHIFT NODES=1000,NEW SET=BOLT-10
*ELCOPY,ELEMENT SHIFT=100,OLD SET=BOLT-10,SHIFT NODES=1000,NEW SET=BOLT-11
*ELCOPY,ELEMENT SHIFT=100,OLD SET=BOLT-11,SHIFT NODES=1000,NEW SET=BOLT-12
*ELCOPY,ELEMENT SHIFT=100,OLD SET=BOLT-12,SHIFT NODES=1000,NEW SET=BOLT-13
*ELCOPY,ELEMENT SHIFT=100,OLD SET=BOLT-13,SHIFT NODES=1000,NEW SET=BOLT-14
**
*ELEMENT,TYPE=C3D8R
41,1,101,102,2,1001,1101,1102,1002
72,32,132,101,1,1032,1132,1101,1001
*ELGEN,ELSET=BOLT-15
41,31,1,1,14,1000,100
*ELGEN,ELSET=BOLT-15
72,14,1000,100
*******************************************************************
** **
** CREAT BOLT HEAD AND NUT NODES **
** **
*******************************************************************
*NODE
201,<R3>,0.0,0.0
233,<R3>,0.0,0.0
301,<R4>,0.0,0.0
333,<R4>,0.0,0.0
*NGEN,LINE=C,NSET=CIRCLE-1
201,233,1,34,0.0,0.0,0.0,0.0,0.0,1.0
*NGEN,LINE=C,NSET=CIRCLE-2
301,333,1,34,0.0,0.0,0.0,0.0,0.0,1.0
**
*NSET,NSET=HEAD-NUT-1,GENERATE
201,232,1
301,332,1
**
*NCOPY, OLD SET=HEAD-NUT-1, CHANGE NUMBER=3000, NEW SET=HEAD-NUT-4, SHIFT
0.0, 0.0, <BHT>,
0.0, 0.0, 0.0, 0.0, 0.0, 0.0
*NFILL,NSET=BOLT-HEAD
HEAD-NUT-1,HEAD-NUT-4,3,1000
**
*NCOPY, OLD SET=HEAD-NUT-4, CHANGE NUMBER=6000, NEW SET=HEAD-NUT-10, SHIFT
0.0, 0.0, <THI1>,
0.0, 0.0, 0.0, 0.0, 0.0, 0.0
**
*NCOPY, OLD SET=HEAD-NUT-10, CHANGE NUMBER=3000, NEW SET=HEAD-NUT-13, SHIFT
0.0, 0.0, <NTH>,
0.0, 0.0, 0.0, 0.0, 0.0, 0.0
*NFILL,NSET=NUT
HEAD-NUT-10,HEAD-NUT-13,3,1000
**
*ELEMENT,TYPE=C3D8R
2001,101,201,202,102,1101,1201,1202,1102
2051,201,301,302,202,1201,1301,1302,1202
2032,132,232,201,101,1132,1232,1201,1101
2082,232,332,301,201,1232,1332,1301,1201
*ELGEN
2001,31,1,1,3,1000,100
*ELGEN
2051,31,1,1,3,1000,100
*ELGEN
2032,3,1000,100
2082,3,1000,100
*ELSET,ELSET=HEAD,GENERATE
2001,2032,1
2051,2082,1
2101,2132,1
2151,2182,1
2201,2232,1
2251,2282,1
*ELCOPY,ELEMENT SHIFT=1000,OLD SET=HEAD,SHIFT NODES=9000,NEW SET=NUT |
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