Previous   Next

What's New - MultiSurf 6.9

Hydro Functions

The Hydro function, as noted on the previous page, uses 6 arguments: 

Specific gravity, Zcg, Sink, Trim, Heel, Index

Please reference the table below for the description of each Index.

Index

Units of Result

Result

1

Length

forward end of waterline

2

Length

aft end of waterline

3

Length

waterline length

4

Length

waterline maximum beam

5

Length

maximum draft

6

Length^3

displaced volume

7

Length

X coordinate of center of buoyancy

8

Unitless

center of buoyancy as % of waterline

9

MLT^-2

displacement

10

Length

Y coordinate of center of buoyancy

11

Length

Z coordinate of center of buoyancy

12

Length^2

waterplane area

13

Length

X coordinate of center of flotation

14

Unitless

center of flotation as % of waterline

15

Length^2

wetted surface

16

Length

X-coordinate of wetted surface center

17

Length

Z-coordinate of wetted surface center

18

Length

transverse metacentric height

19

ML^2T^-2

transverse righting moment per degree

20

Length

longitudinal metacentric height

21

ML^2T^-2

longitudinal righting moment per degree

22

Unitless

waterplane coefficient

23

Unitless

prismatic coefficient

24

Unitless

block coefficient

25

Unitless

maximum section coefficient

26

Unitless

displacement-length ratio

27

Length^2

lateral plane area

28

Length

X coordinate of lateral plane center

29

Length

Z coordinate of lateral plane center