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Accuracy Control of Finite Element Analysis of Articulated Structures

by R. J. Melosh, Duke Univ, Durham, NC, USA,



Document Type: Proceeding Paper

Part of: Electronic Computation

Abstract:

An examination of the properties of two-node element models leads to data establishing the acceptable choices in discretization to insure the accuracy of finite element analysis of articulated structures. Information is provided on the relationship between modeling strategy and nondimensional stiffness ratios in terms of round-off, discretization, and equation solution algorithm inaccuracies.

Subject Headings: Finite element method | Structural analysis | Model accuracy | Computer models | Structural models | Mathematical models | Data analysis

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