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Diffstat (limited to 'inst/examples/test_functions/stk_testcase_truss3.m')
| -rw-r--r-- | inst/examples/test_functions/stk_testcase_truss3.m | 61 |
1 files changed, 38 insertions, 23 deletions
diff --git a/inst/examples/test_functions/stk_testcase_truss3.m b/inst/examples/test_functions/stk_testcase_truss3.m index 2f22f31..45754a3 100644 --- a/inst/examples/test_functions/stk_testcase_truss3.m +++ b/inst/examples/test_functions/stk_testcase_truss3.m @@ -7,8 +7,8 @@ % % * .constants: all the numerical constants for this problem, % -% * .search_domain: an stk_hrect object that specifies the search domain -% of the optimization problem. +% * .search_domain: an stk_hrect object that specifies the search +% domain of the optimization problem. % % TEST CASE OVERVIEW % @@ -23,16 +23,18 @@ % (1) \_ | __/ (3) | % \_P_/ v % -% Nodes A, B and C are fixed (pin joints). Node P is submitted to both an -% horizontal load F1 (e.g., wind) and a vertical load F2 (suspended load). +% Nodes A, B and C are fixed (pin joints). Node P is submitted to both +% an horizontal load F1 (e.g., wind) and a vertical load F2 (suspended +% load). % % The design variables are the cross-sections a1, a2 and a3 of the three -% bars, and the horizontal position w of the vertical bar. The quantities -% of interest are the total volume of the structure, the mechanical -% (tensile) stress in the bars, and the displacement of P. Various -% formulations of optimization problems can be considered, depending on -% which quantities are selected as contraints and objectives, and whether -% or not uncertainties are taken into account (robust formulations). +% bars, and the horizontal position w of the vertical bar. The +% quantities of interest are the total volume of the structure, the +% mechanical (tensile) stress in the bars, and the displacement of P. +% Various formulations of optimization problems can be considered, +% depending on which quantities are selected as contraints and +% objectives, and whether or not uncertainties are taken into account +% (robust formulations). % % NUMERICAL CONSTANTS % @@ -53,18 +55,18 @@ % * .F2_mean: mean (nominal) value of the vertical load [N] % * .F2_std: standard deviation of the vertical load [N]. % -% The standard deviations .F1_std and .F2_std are used in the formulation -% of robust optimization problems related to this test case [see 1, chap 11]. +% The standard deviations F1_std and F2_std are used in the formulation +% of robust optimization problems [see 1, chap 11]. % % NUMERICAL FUNCTIONS % -% Two numerical functions are provided to compute the quantities of interest -% of this test case: +% Two numerical functions are provided to compute the quantities of +% interest of this test case: % % * stk_testfun_truss3_vol: computes the total volume of the structure, % -% * stk_testfun_truss3_bb: computes the tensile stress in the bars and the -% displacement of P. +% * stk_testfun_truss3_bb: computes the tensile stress in the bars and +% the displacement of P. % % Both functions have the same syntax: % @@ -72,11 +74,12 @@ % % Z = stk_testfun_truss3_bb (X, CONST) % -% where CONST is a structure containing the necessary numerical constants. -% To use the constants from [1], pass TC.constants as second input argument. +% where CONST is a structure containing the necessary numerical +% constants. To use the constants from [1], pass TC.constants as +% second input argument. % -% Both function accept as first input argument an N x D matrix (or data -% frame) where D is either 4 or 6: +% Both functions accept as first input argument an N x D matrix +% (or data frame) where D is either 4 or 6: % % * columns 1--3: cross-section a1, a2 and a3, % @@ -84,9 +87,9 @@ % % * column 5-6 (optional): horizontal and vertical loads F1, F2. % -% The second function is named 'bb' for 'black box', as it plays the role of -% a (supposedly expensive to evaluate) black box computer model for this -% test case. The output Z has five columns, corresponding to: +% The second function is named 'bb' for 'black box', as it plays the +% role of a (supposedly expensive to evaluate) black box computer model +% for this test case. The output Z has five columns, corresponding to: % % * columns 1--2: horizontal and vertical displacement y1, y2 of P, % @@ -125,6 +128,18 @@ % % See also: stk_testfun_truss3_vol, stk_testfun_truss3_bb +% Author +% +% Julien Bect <julien.bect@centralesupelec.fr> + +% Copying Permission Statement (this file) +% +% To the extent possible under law, CentraleSupelec has waived all +% copyright and related or neighboring rights to +% stk_testcase_truss3.m. This work is published from France. +% +% License: CC0 <http://creativecommons.org/publicdomain/zero/1.0/> + % Copyright Notice % % This file: stk_testcase_truss3.m was written in 2017 |