Abstract
Based on the coupled elastic bending deformation features and relationships between the internal force and deformation of pre-twisted Euler beam, the generalized strain, the equivalent constitutive equation and the equilibrium equation of pre-twisted Euler beam are developed. Based on the properties of the dual-antisymmetric matrix, the general solution of pre-twisted Euler beam is obtained. By comparison with ANSYS solution by using straight Beam-188 element based on infinite approach strategy, the results show that the developed method is available for pre-twisted Euler beam and also provide an accuracy displacement interpolation function for the subsequent finite element analysis. The effect of pre-twisted angle on the mechanical property has been investigated.
| Original language | English |
|---|---|
| Pages (from-to) | 205-212 |
| Number of pages | 8 |
| Journal | Structural Engineering and Mechanics |
| Volume | 64 |
| Issue number | 2 |
| DOIs | |
| State | Published - 25 Oct 2017 |
Keywords
- Coupled displacement
- General solution
- Generalized strain
- Pre-twisted beam
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