Error analysis of a hybrid beam element with Timoshenko stiffness and classical mass.

Jafarali, P and Chattopadhyay, Lalitha and Prathap, Gangan and Rajendran, S (2004) Error analysis of a hybrid beam element with Timoshenko stiffness and classical mass. International Journal of Computational Engineering Science, 5 (3). pp. 495-508.

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Abstract

We review critically the performance of an ingeniously designed hybrid beam element that uses a stiffness matrix based on Timoshenko theory but retains the mass matrix from classical beam theory. This clever engineering trick gives seemingly very accurate results in thin beam situations. However, the physics of thick beam behavior is consequently misrepresented. A careful study reveals that cancellation of errors is responsible for the apparent "accurate" performance.

Item Type: Journal Article
Additional Information: Copyright to this article belongs to M/s. World Scientific
Uncontrolled Keywords: Timoshenko theory;Hybrid beam element;Stiffness matrix
Subjects: AERONAUTICS > Aeronautics (General)
ENGINEERING > Structural Mechanics
Division/Department: CSIR Centre for Mathematical Modelling and Computer Simulation, Structures Division, Structures Division, Other
Depositing User: Ms. Alphones Mary
Date Deposited: 10 Jan 2013 11:07
Last Modified: 10 Jan 2013 11:07
URI: http://nal-ir.nal.res.in/id/eprint/11420

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