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In this chapter, the stiffness matrix of a two-node beam element is derived. The beam is a structural element with axial, torsional and bending stiffness, but only the torsional stiffness is considered in this derivation. The methodology behind this derivation is presented in Sect. 5.1. Section 5.2,details the assumptions underlying the finite element bar definition and specifies the associated geometric data. The stiffness matrix derivation utilizes the PVD approach, as discussed in the preceding chapter. The same techniques are employed, including.

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Stiffness Matrix of a Beam Subjected by a Torsion

  • 章节

  • 发表日期：

    2026年

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  • Erasmo Carrera,
  • Gerlando Augello,
  • Riccardo Augello

摘要

In this chapter, the stiffness matrix of a two-node beam element is derived. The beam is a structural element with axial, torsional and bending stiffness, but only the torsional stiffness is considered in this derivation. The methodology behind this derivation is presented in Sect. 5.1. Section 5.2,details the assumptions underlying the finite element bar definition and specifies the associated geometric data. The stiffness matrix derivation utilizes the PVD approach, as discussed in the preceding chapter. The same techniques are employed, including.