1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
<?xml version="1.0"?>
<opsa-mef name="TwoTrains">
<define-fault-tree name="TwoTrains">
<define-gate name="TopEvent">
<and>
<event name="TrainOne"/>
<event name="TrainTwo"/>
</and>
</define-gate>
<define-gate name="TrainOne">
<or>
<event name="ValveOne"/>
<event name="PumpOne"/>
</or>
</define-gate>
<define-gate name="TrainTwo">
<or>
<event name="ValveTwo"/>
<event name="PumpTwo"/>
</or>
</define-gate>
<define-basic-event name="ValveOne">
<float value="0.5"/>
</define-basic-event>
<define-basic-event name="ValveTwo">
<float value="0.5"/>
</define-basic-event>
<define-basic-event name="PumpOne">
<float value="0.7"/>
</define-basic-event>
<define-basic-event name="PumpTwo">
<float value="0.7"/>
</define-basic-event>
</define-fault-tree>
<define-substitution name="ExclusiveValves" type="delete-terms">
<hypothesis>
<and>
<basic-event name="ValveOne"/>
<basic-event name="ValveTwo"/>
</and>
</hypothesis>
<target>
<constant value="false"/>
</target>
</define-substitution>
<define-substitution name="RecoverPumps" type="recovery-rule">
<hypothesis>
<and>
<basic-event name="PumpOne"/>
<basic-event name="PumpTwo"/>
</and>
</hypothesis>
<target>
<basic-event name="HotBackupPump"/>
</target>
</define-substitution>
<define-substitution name="ColdBackupInitiation">
<hypothesis>
<basic-event name="HotBackupPump"/> <!-- Declarative implication -->
</hypothesis>
<target>
<basic-event name="ColdBackupPump"/>
</target>
</define-substitution>
<model-data>
<define-basic-event name="HotBackupPump">
<float value="0.7"/>
</define-basic-event>
<define-basic-event name="ColdBackupPump">
<float value="0.9"/>
</define-basic-event>
</model-data>
</opsa-mef>
|
