DTIC ADA158902: Micro Computer Based Dynamic Analysis pdf

DTIC ADA158902: Micro Computer Based Dynamic Analysis

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This paper presents an assimilation of mathematical models and solutions needed in order to develop computer based analysis of dynamic structures. Using the variational formulation and a direct integration technique, a dynamic finite element model is developed. Modal analysis of unknown displacements of the structure, and the dynamic reduction of the structure are presented as alternative solutions. A system of micro-computer based programs which apply the presented solution techniques is described. The system of programs support varying cross sections of frame members, application of static, harmonic and non-harmonic loading conditions, and node displacements in the form of uniform base motion or independent node movement. Additional keywords: Matrices(mathematics); Flow charting; Numerical integration. (Author

• Creator/s: Defense Technical Information Center
• Date: 8/1/1985
• Year: 1985
• Book Topics/Themes: DTIC Archive, Goshorn, L, TEXAS A AND M UNIV COLLEGE STATION, *STRUCTURAL ANALYSIS, MATHEMATICAL MODELS, COMPUTERIZED SIMULATION, DYNAMICS, STRUCTURAL PROPERTIES, FINITE ELEMENT ANALYSIS, DYNAMIC RESPONSE, DISPLACEMENT, FORMULATIONS, STRUCTURES, HARMONICS, MOTION, NODES, REDUCTION, SOLUTIONS(GENERAL), INTEGRATION, NUMERICAL INTEGRATION, PLANAR STRUCTURES, FRAMES, FLOW CHARTING, MICROCOMPUTERS, ASSIMILATION, VARIATIONAL PRINCIPLES

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