利用活动要素层级跃迁方程式组求弹性势能最小结构模型演示
此处输入要素的个数:
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解释结构模型的最重要的作用,就是把一个无序的凌乱的系统变成一个有序的,具有层次性的结构图。
弹性势能最小能量结构图,就是中间靠拢型:即在满足层次数最少的情况下使得骨架阵中的边跨越的层级数目最少:本处计算的方式是通过求解多元不等式方程组与待定系数法的方式求解。弹性势能最小,其解通常是不唯一的。
显示的是一个随机 20 * 20 的方阵
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X1 | X2 | X3 | X4 | X5 | X6 | X7 | X8 | X9 | X10 | X11 | X12 | X13 | X14 | X15 | X16 | X17 | X18 | X19 | X20 |
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X4 |
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X6 |
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X7 |
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X8 |
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X9 |
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X10 |
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X11 |
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X12 |
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X13 |
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X14 |
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X15 |
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X16 |
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X17 |
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X18 |
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1 |
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X19 |
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1 |
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X20 |
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对上述矩阵进行两次缩减获得骨架矩阵
首先:根据有序环排序
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X4 | X7 | X5 | X18 | X14 | X1 | X17 | X9 | X2 | X8 | X3 | X6 | X11+X13+X15+X16 | X19 | X20 | X10 | X12 |
X4 |
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X7 |
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X5 |
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X18 |
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X14 |
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X1 |
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X17 |
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X9 |
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X2 |
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X8 |
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X3 |
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X6 |
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X11+X13+X15+X16 |
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X19 |
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X20 |
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X10 |
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X12 |
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接着:根据得到的DAG图去向前边
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X4 | X7 | X5 | X18 | X14 | X1 | X17 | X9 | X2 | X8 | X3 | X6 | X11+X13+X15+X16 | X19 | X20 | X10 | X12 |
X4 |
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X7 |
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X5 |
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X18 |
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X14 |
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X1 |
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X17 |
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X9 |
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X2 |
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X8 |
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X3 |
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X6 |
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X11+X13+X15+X16 |
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X19 |
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X20 |
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X10 |
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X12 |
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可达矩阵如下
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X4 | X7 | X5 | X18 | X14 | X1 | X17 | X9 | X2 | X8 | X3 | X6 | X11+X13+X15+X16 | X19 | X20 | X10 | X12 |
X4 |
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X7 |
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X5 |
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X18 |
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X14 |
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X1 |
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X17 |
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X9 |
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X2 |
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X8 |
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X3 |
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X6 |
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X11+X13+X15+X16 |
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X19 |
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X20 |
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X10 |
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X12 |
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基于原因优先的层级划分方法
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X5 |
X4 |
X7 |
X18 |
X14 |
X17 |
X1 |
X9 |
X8 |
X2 |
X3 |
X6 |
X11+X13+X15+X16 |
X19 |
X20 |
X10 |
X12 |
X5 | |
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X4 | |
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X7 | |
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X18 | 1 |
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X14 | |
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X17 | |
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X1 | |
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X9 | |
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X8 | |
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X2 | |
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X3 | |
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X6 | |
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X11+X13+X15+X16 | |
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X19 | |
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X20 | |
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X10 | |
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X12 | |
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基于结果优先的层级划分方法
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X4 |
X7 |
X5 |
X17 |
X8 |
X18 |
X14 |
X9 |
X1 |
X3 |
X6 |
X2 |
X19 |
X11+X13+X15+X16 |
X12 |
X20 |
X10 |
X4 | |
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X7 | |
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X5 | |
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X17 | |
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X8 | |
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X18 | |
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X14 | 1 |
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X9 | |
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X1 | |
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X3 | |
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X6 | 1 |
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X2 | |
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X19 | |
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X11+X13+X15+X16 | |
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X12 | |
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X20 | |
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X10 | |
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上述可以计算出其层级的要素分别为:
层级的序号 | 原因优先的方法-得到的各层级的要素 | 结果优先的方法-得到的各层级要素 | 共同有的要素 | 活动的要素 |
1 | X5 | X4,X7,X5,X17,X8 | 2=>X5 | X4,X7,X17,X8 |
2 | X4,X7,X18 | X18 | 3=>X18 | X4,X7 |
3 | X14,X17 | X14,X9 | 4=>X14 | X17,X9 |
4 | X1,X9,X8 | X1,X3,X6 | 5=>X1 | X9,X8,X3,X6 |
5 | X2,X3,X6 | X2,X19 | 8=>X2 | X3,X6,X19 |
6 | X11+X13+X15+X16,X19 | X11+X13+X15+X16,X12 | 12=>X11+X13+X15+X16 | X19,X12 |
7 | X20 | X20 | 14=>X20 | |
8 | X10,X12 | X10 | 15=>X10 | X12 |
由上表计算得出活动的要素以及它们活动的层级:
要素的序号 | 要素的名称 | 要素的标题 | 开始层级 | 终止层级 |
0 | X4 | 卯兔 | 1 | 2 |
1 | X7 | 午马 | 1 | 2 |
6 | X17 | 坎水 | 1 | 3 |
9 | X8 | 未羊 | 1 | 4 |
7 | X9 | 申猴 | 3 | 4 |
10 | X3 | 寅虎 | 4 | 5 |
11 | X6 | 巳蛇 | 4 | 5 |
13 | X19 | 艮山 | 5 | 6 |
16 | X12 | 亥猪 | 6 | 8 |
结果优先的分层结果
根据活动要素的层级确定方程式
序号 =>名称 |
待定层级 |
层级取值范围 |
活动要素自身上下关系 |
边的弹性量 |
入边数-出边数 |
0 => X4 |
lev_X4 |
0 ≤lev_X4 ≤1 |
lev_X4<lev_X6 |
lev_X14 - lev_X4=2-lev_X4
lev_X6- lev_X4 |
2 |
1=> X7 |
lev_X7 |
0 ≤lev_X7 ≤1 |
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lev_X14 - lev_X7=2- lev_X7 |
1 |
6 => X17 |
lev_X17 |
0 ≤lev_X17≤2 |
lev_X17< lev_X9 |
lev_X9- lev_X17 |
1 |
9=> X8 |
lev_X8 |
0 ≤lev_X8≤3 |
lev_X8<lev_X3 |
lev_X3- lev_X8 |
1 |
7 => X9 |
lev_X9 |
2 ≤lev_X9≤3 |
lev_X9<lev_X6 |
lev_X9- lev_X18=lev_X9-1
lev_X2- lev_X9=4-lev_X9
lev_X3- lev_X9
lev_X6- lev_X9
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1 |
10=> X3 |
lev_X3 |
3 ≤lev_X3≤4 |
lev_X3<lev_X19 |
lev_X19-lev_X3 |
-1 |
11 => X6 |
lev_X6 |
3 ≤lev_X6≤4 |
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lev_X11-lev_X6=5-lev_X6 |
-1 |
13 =>X19 |
lev_X19 |
4 ≤lev_X19≤5 |
lev_X19<lev_X12 |
lev_X12-lev_X19
lev_X20-lev_X19=6-lev_X19
|
1 |
16 => X12 |
lev_X12 |
5 ≤lev_X12≤7 |
|
|
-1 |
除去骨架所有边的的权值=2-lev_X4 +lev_X6- lev_X4 +
2- lev_X7 + lev_X9- lev_X17 +
lev_X3- lev_X8+lev_X9-1+
4-lev_X9 +lev_X3- lev_X9+
lev_X6- lev_X9+lev_X19-lev_X3+
5-lev_X6+
lev_X12-lev_X19+
6-lev_X19=
7 +lev_X6-2 lev_X4 -2lev_X7- lev_X17 +2lev_X3- lev_X8- lev_X9+
5+
lev_X12+
6-lev_X19
根据入边数-出边数的差,正的取最大值,负的取最小值根据层级正向取值
序号 =>名称 |
待定层级 |
层级取值范围 |
活动要素自身上下关系 |
入边出边差 |
取值 |
0 => X4 |
lev_X4 |
0 ≤lev_X4 ≤1 |
lev_X4<lev_X6 |
2 |
1,确定为1层 |
1=> X7 |
lev_X7 |
0 ≤lev_X7 ≤1 |
|
1 |
1 |
6 => X17 |
lev_X17 |
0 ≤lev_X17≤2 |
lev_X17< lev_X9 |
1 |
2正数取最大 |
9=> X8 |
lev_X8 |
0 ≤lev_X8≤3 |
lev_X8<lev_X3 |
1 |
3 |
7 => X9 |
lev_X9 |
2 ≤lev_X9≤3 |
lev_X9<lev_X6 |
1 |
3 |
10=> X3 |
lev_X3 |
3 ≤lev_X3≤4 |
lev_X3<lev_X19 |
-1 |
4 因为要lev_X8<lev_X3所以只能取4 |
11 => X6 |
lev_X6 |
3 ≤lev_X6≤4 |
|
-1 |
4因为lev_X9<lev_X6只能取4 |
13 =>X19 |
lev_X19 |
4 ≤lev_X19≤5 |
lev_X19<lev_X12 |
1 |
5 |
16 => X12 |
lev_X12 |
5 ≤lev_X12≤7 |
|
-1 |
6 因为要lev_X19<lev_X12中取最小所以为6 |
从0层开始根据出边入边的数目求解出的层级结构如下
根据入边数-出边数的差,正的取最大值,负的取最小值根据层级逆向取值
序号 =>名称 |
待定层级 |
层级取值范围 |
活动要素自身上下关系 |
入边出边差 |
取值 |
0 => X4 |
lev_X4 |
0 ≤lev_X4 ≤1 |
lev_X4<lev_X6 |
2 |
1,确定为1层 |
1=> X7 |
lev_X7 |
0 ≤lev_X7 ≤1 |
|
1 |
1 |
6 => X17 |
lev_X17 |
0 ≤lev_X17≤2 |
lev_X17< lev_X9 |
1 |
1,lev_X17< lev_X9 |
9=> X8 |
lev_X8 |
0 ≤lev_X8≤3 |
|
1 |
2 lev_X9<lev_X6所以取2 |
7 => X9 |
lev_X9 |
2 ≤lev_X9≤3 |
lev_X9<lev_X6 |
1 |
2 lev_X9<lev_X6所以取2 |
10=> X3 |
lev_X3 |
3 ≤lev_X3≤4 |
lev_X3<lev_X19 |
-1 |
3 |
11 => X6 |
lev_X6 |
3 ≤lev_X6≤4 |
|
-1 |
3 |
13 =>X19 |
lev_X19 |
4 ≤lev_X19≤5 |
lev_X19<lev_X12 |
1 |
4 |
16 => X12 |
lev_X12 |
5 ≤lev_X12≤7 |
|
-1 |
5 |
从7层开始根据出边入边的数目求解出的层级结构如下
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