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Modeling And Simulation Of Aerospace Vehicle Dynamics - Second Edition

机译:航空航天器动力学建模与仿真-第二版

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This book undoubtedly fills a niche in the flight mechanics literature - no mean feat, given the number of texts addressing this topic. It achieves this by taking a unique approach to the mathematical modeling of aerospace vehicle dynamics, namely by the use of tensors. The standard vector approach, adopted in the majority of books, is simpler for most engineering students and practitioners to understand but becomes complex when developed into a form used to represent aerospace vehicles. This is due to the time-dependent coordinate transformations inherent in this approach when applied to systems such as spacecraft and helicopters with rotating reference frames. Zipfel derives the kinematic and dynamic equations using cartesian tensors, the physical content of which are invariant under coordinate transformations. The equations are therefore defined for all allowable coordinate systems. For analysis and simulation, the tensor form is converted into matrices by introducing appropriate coordinate systems.
机译:无疑,这本书填补了飞行力学文献中的一个空白-鉴于解决这一问题的文字数量之多,这绝非易事。它通过采用独特的方法对航空航天器动力学进行数学建模(即使用张量)来实现这一目标。大多数书籍中采用的标准矢量方法对于大多数工程专业的学生和从业人员来说比较容易理解,但是当发展成为用于表示航空航天器的形式时,它变得复杂。这是由于当应用于诸如带有旋转参考系的航天器和直升机之类的系统时,此方法固有的随时间变化的坐标转换。 Zipfel使用笛卡尔张量导出运动方程和动力学方程,其物理内容在坐标变换下不变。因此,为所有允许的坐标系定义了方程。为了进行分析和模拟,通过引入适当的坐标系将张量形式转换为矩阵。

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