This paper presents X3D version 2.0, a parallel three-dimensional (3D) dynamic solver designed for rotor aeromechanics. Unlike current-generation rotor comprehensive codes, the solver's core structure is built upon the foundational principles of 3D finite element modeling unified with multibody joints. Notably, it distinguishes itself from commercially available finite element codes by incorporating an inherent internal aerodynamics module to facilitate the 3D computational fluid dynamics/computational structural dynamics coupling. The enhancements in version 2.0 are detailed in this paper, encompassing the integration of new parallel solution procedures, the introduction of capabilities such as coaxial rotor analysis, the exploration of novel 3D models, and the addition of new tools essential for generating 3D rotor models from computer-aided design geometry. The implementation of parallel algorithms significantly enhances the speed of this version, while the newly added capabilities make it conducive for exploring advanced rotor configurations.
Patil et al. (Thu,) studied this question.
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