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- W2021076249 abstract "The optimization of structures requires many analyses. This provides the incentive to reasses analysis approaches and select one which insures that complex numerical analyses of structures are performed efficiently. This paper classifies the decisions of analysis which, in turn, classify analysis methods. By example and rationale it examines analysis alternatives and selects the more attractive ones for maximizing analysis accuracy per unit of analysis effort. In the process, it reviews some important analysis issues. New arguments are furnished on the question of the force versus the displacement method, coarse vs. refined models, and finite elements vs. finite differences. The paper identifies error control as the key issue. It indicates that lack of a theoretical basis for directly controlling undesirable errors makes published comparisons of methods and operators of questionable value. This lack insures that arguments for one alternative over another must often be less than rigorous. It is concluded that the optimum unmixed analysis approach uses an integral equation formulation, displacement behavior states, intersecting operators, low order extra degree articulation, and determinate error control." @default.
- W2021076249 created "2016-06-24" @default.
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- W2021076249 date "1971-08-01" @default.
- W2021076249 modified "2023-09-25" @default.
- W2021076249 title "The optimum approach to analysis of elastic continua" @default.
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- W2021076249 doi "https://doi.org/10.1016/0045-7949(71)90012-5" @default.
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