优化的一些问题，约束条件不能起作用，怎么办？
下面是bdf文件的内容CBAR 6 1 6 7 0. 1. 0.
CBAR 7 1 7 8 0. 1. 0.
CBAR 8 1 8 9 0. 1. 0.
CBAR 9 1 9 10 0. 1. 0.
CBAR 10 1 10 11 0. 1. 0.
CBAR 11 1 11 12 0. 1. 0.
CBAR 12 1 12 13 0. 1. 0.
CBAR 13 1 13 14 0. 1. 0.
CBAR 14 1 14 15 0. 1. 0.
CBAR 15 1 15 16 0. 1. 0.
CBAR 16 1 16 17 0. 1. 0.
CBAR 17 1 17 18 0. 1. 0.
CBAR 18 1 18 19 0. 1. 0.
CBAR 19 1 19 20 0. 1. 0.
CBAR 20 1 20 21 0. 1. 0.
CBAR 21 1 21 22 0. 1. 0.
CBAR 22 1 22 23 0. 1. 0.
CBAR 23 1 23 24 0. 1. 0.
CBAR 24 1 24 25 0. 1. 0.
CBAR 25 1 25 26 0. 1. 0.
$ Referenced Material Records
$ Material Record : ti
$ Description of Material : Date: 25-Jan-08 Time: 21:28:07
MAT1 1 189000. .3 4.45-6
$ Nodes of the Entire Model
GRID 1 0. 0. 0.
GRID 2 20. 0. 0.
GRID 3 40. 0. 0.
GRID 4 60. 0. 0.
GRID 5 80. 0. 0.
GRID 6 100. 0. 0.
GRID 7 120. 0. 0.
GRID 8 140. 0. 0.
GRID 9 160. 0. 0.
GRID 10 180. 0. 0.
GRID 11 200. 0. 0.
GRID 12 220. 0. 0.
GRID 13 240. 0. 0.
GRID 14 260. 0. 0.
GRID 15 280. 0. 0.
GRID 16 300. 0. 0.
GRID 17 320. 0. 0.
GRID 18 340. 0. 0.
GRID 19 360. 0. 0.
GRID 20 380. 0. 0.
GRID 21 400. 0. 0.
GRID 22 420. 0. 0.
GRID 23 440. 0. 0.
GRID 24 460. 0. 0.
GRID 25 480. 0. 0.
GRID 26 500. 0. 0.
$ Loads for Load Case : cas1
SPCADD 2 4 6
LOAD 2 1. 1. 1
$ Displacement Constraints of Load Set : ds1
SPC1 4 1234561
$ Displacement Constraints of Load Set : ds2
SPC1 6 23456 25 26
$ Loads for Load Case : cas2
LOAD 4 1. 1. 3
$ Nodal Forces of Load Set : f1
FORCE 1 15 0 1000. 0. 1. 0.
$ Nodal Forces of Load Set : f2
FORCE 3 15 0 1000. 0. -1. 0.
$ Referenced Coordinate Frames
$ ...DESIGN VARIABLE DEFINITION
$ wid
DESVAR 1 wid:120. 10. 30. 1.
$ hig
DESVAR 2 hig:216. 10. 30. 1.
$ ...DEFINITION OF DESIGN VARIABLE TO ANALYSIS MODEL PARAMETER RELATIONS
DVPREL11 PBARL 1 DIM1
1 1.
DVPREL12 PBARL 1 DIM2
2 1.
$ ...STRUCTURAL RESPONSE IDENTIFICATION
DRESP1 1 w WEIGHT
$ ...CONSTRAINTS
$ ...OPTIMIZATION CONTROL
DOPTPRMDESMAX30 FSDMAX0 P1 1 P2 1
CONV1.001 CONV21.-20 CONVDV .001 CONVPR .01
DELP .2 DELX 1. DPMIN.01 DXMIN.05
ENDDATA 5a3ff8d9
[ 本帖最后由 aron 于 2008-1-26 18:16 编辑 ]
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