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Hull and Outfitting

Syntax 6

  • Last UpdatedDec 08, 2025
  • 2 minute read

The images below illustrate the type of connections which the bracket may be part of in this syntax. (In the images, L denotes shell profiles, S stiffeners and F flanges.)

<syntax_6>::= [,(A= <length_A>) | (AOV= <overlap_A>)]

      [,(B= <length_B>) | (BOV= <overlap_B>)]

      [,M1= <seamdist>]

      ,<ext_prof_ref> (1 ... 25) [,REF]

      /<int_prof_ref> (1 ... 25)

For <ext_prof_ref> and <int_prof_ref>, see General Layout of a Statement.

<panel>::= <name>

In general, the bracket parameters will be generated according to the rules specified in the Design Standards. (The very special built-in brackets BVA and BVB are generated according to special rules with a high degree of automation. The following comments are not valid for these brackets.)

A

For the brackets EA, EAK, EB and EBK, the A-measure can be defined in two ways:

  1. If not given at all in input, A will be calculated as described in Syntax 5.

  2. The measure can explicitly be assigned to A.

<length_A>::= <number>

AOV

For those bracket types which overlap along the side A, the A-measure is defined by an overlap assigned to AOV.

<overlap_A>::= <number>

Suppose that H is the height of the overlapped profile. If not given, AOV is supposed to be H or as specified by the bracket set-up.

AOV < 5 is interpreted as a factor giving an overlap AOV * H.

AOV >= 5 is interpreted as the actual overlap.

B

Normally, the B-measure is controlled via the overlap.

BOV

See Syntax 5 which has the same options.

M1

See Syntax 5. Note that when > 0, M1 should include the height of the profile which the bracket is standing on, that means, be measured from the plate surface.

Remark:

The rules above mean that a bracket can be generated quite automatically the constants of the bracket set-up are accepted

Examples:

EC bracket, connecting a bulkhead to a longitudinal:

BRA, EC, COR=2, SID=FOR, PSI=BOT, M1=250,
         BOV=1.7, AOV=1.2, MAT=15, L500/S2;
        or ... BOV=650, AOV=450 ... ;)

GB-bracket, connecting a bottom transverse to a longitudinal.

BRA, GB, MIRR, PSIDE=SB, MAT=14, A=800,
     SID=AFT, BOV=1.35, L180/SL18;

If the default rules are accepted, A and BOV need not be given.

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