hi… i’m newcomer on this group…

need all your favour

i’ve a project to redesign a naval vessel which need to lengthen the LOA.

what kind of calculation do i need to know the length of the vessel related to the crew mess?

let say i have a current design data. which the LOA is 52m and the compliment is 30 person,

the requirement for new design is 45 person… is there any calculation for determine the new LOA?

please help me…