ハイブリッド型応力法Timoshenkoはり柱要素について : (その1)はり柱上下面における内力を考慮した定式化

概要

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A new and effective hybrid stress plane beam-column finite element based on the Timoshenko's theory, which might be connected and/or supported with other structural elements, such as wall and spring elements, is presented. Using the well-known semi-inverse method, axial normal and shearing stress fields for the plane beam-column, which satisfy the point-wise equilibrium condition in the axial direction as well as the ones of the overall beam-column section, are prepared in the expression of resultant stresses. According to the standard hybrid stress finite element procedure shown in Refs. 1) and 2), a new plane beam-column finite element with the present stress fields is derived, and the availability and the applicability of the present approach are, with aid of several numerical tests, discussed and examined.
2004-02-28