Structural design under bounded uncertainty--Optimization with anti-optimization

@article{citeulike:588276, abstract = {In many cases precise probabilistic data are not available on uncertainty in loads, but the magnitude of the uncertainty can be bound. This paper proposes a design approach for structural optimization with uncertain but bounded loads. The problem of identifying critical loads is formulated mathematically as an optimization problem in itself (called anti-optimization), so that the design problem is formulated as a two-level optimization. For linear structural analysis it is shown that the antioptimization part is limited to consideration of the vertices of the load-uncertainty domain. An example of a ten-bar truss is used to demonstrate that we cannot replace the anti-optimization process by considering the largest possible loads.}, author = {Elishakoff, I. and Haftka, R. T. and Fang, J. }, citeulike-article-id = {588276}, comment = {hi whatis happening}, doi = {10.1016/0045-7949(94)90405-7}, journal = {Computers \& Structures}, keywords = {paper, read, this, to, try}, month = {December}, number = {6}, pages = {1401--1405}, posted-at = {2006-04-16 18:51:57}, priority = {5}, title = {Structural design under bounded uncertainty--Optimization with anti-optimization}, url = {http://dx.doi.org/10.1016/0045-7949(94)90405-7}, volume = {53}, year = {1994} }

TY - JOUR ID - citeulike:588276 L3 - citeulike-article-id:588276 TI - Structural design under bounded uncertainty--Optimization with anti-optimization JF - Computers & Structures VL - 53 IS - 6 SP - 1401 EP - 1405 N2 - In many cases precise probabilistic data are not available on uncertainty in loads, but the magnitude of the uncertainty can be bound. This paper proposes a design approach for structural optimization with uncertain but bounded loads. The problem of identifying critical loads is formulated mathematically as an optimization problem in itself (called anti-optimization), so that the design problem is formulated as a two-level optimization. For linear structural analysis it is shown that the antioptimization part is limited to consideration of the vertices of the load-uncertainty domain. An example of a ten-bar truss is used to demonstrate that we cannot replace the anti-optimization process by considering the largest possible loads. KW - paper KW - read KW - this KW - to KW - try N1 - hi whatis happening AU - Elishakoff, I AU - Haftka, RT AU - Fang, J PY - 1994/12/17/ UR - http://dx.doi.org/10.1016/0045-7949(94)90405-7 ER -