Geodesic
Minimum weight design of statically indeterminate beams with normal stress constraint
Theoretical and applied mechanics, Tome 25 (1999) no. 1, p. 107 
D. Radomirović; О. Zamurović; J. Conić; Z. Jandrić. Minimum weight design of statically indeterminate beams with normal stress constraint. Theoretical and applied mechanics, Tome 25 (1999) no. 1, p. 107 . http://geodesic.mathdoc.fr/item/TAM_1999_25_1_a6/
@article{TAM_1999_25_1_a6,
     author = {D. Radomirovi\'c and {\CYRO}. Zamurovi\'c and J. Coni\'c and Z. Jandri\'c},
     title = {Minimum weight design of statically indeterminate beams with normal stress constraint},
     journal = {Theoretical and applied mechanics},
     pages = {107 },
     year = {1999},
     volume = {25},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAM_1999_25_1_a6/}
}
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Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

An optimization problem of linear elastic statically indeterminate beams is discussed. The cross-section of the beam is variable and determined for the equal stress criterion. The problem is solved with the aid of Castiglianos second theorem. Some optimization conditions are deduced. A few illustrating examples are given.