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发表于 2013-9-4 10:41
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来自： 中国广东中山
- `Demonstrates the STABILITY /GMT command.
- proj substab
- `Create a simple submarine model:
- enter pm
- create hull
- cyl(40) 0 0 20 200 0 20 40
- comp baltanks
- cyl(40) 40 20 20 160 20 20 30
- fit hull
- comp tower
- ends 90 120
- top 70
- bot 20
- out 10
- fit hull
- /
- macro bt
- create baltank%1.s
- cylinder %2 20 20 %3 20 20 30
- fit baltanks
- //
- create baltank%1.p
- opp baltank%1.s
- //
- /
- .bt 1 40 80
- .bt 2 80 120
- .bt 3 120 160
- write
- quit pm
- report
- `Define a light ship:
- depth 30
- vcg 20
- solve weight, lcg
- `Compute GM as a function of ballast tank load:
- stability @ load (bal*) 10% 20% ... 70% 72% ... 76% /gmt
- report off
- print substab.pf /preview
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