Collaborative Research: CPA-G&V-T: Aquatic Propulsion Laboratory

摘要-水生推进实验室？乔治亚理工学院的Jarek Rossignac /南加州大学的Eva Kanso海洋中充满了各种各样的生物，它们的形状和游泳方式五花八门，但只有一小部分被研究过。水生推进实验室的目标是创建计算机工具，用于逆向工程和评估跨物种的水生运动策略，以推进我们对游泳生物学和力学的了解。此外，这些尚未开发的游泳风格可能会启发设计更好的人工游泳者，用于水生勘探，工程和医学。创建的工具、数据集、动画和游泳风格的数字模型将提供给其他研究人员、学生和教育工作者。我们的研究结合了：1)发明用于水中运动的变形体的几何表示，以及将它们组合在一起的交互式工具；2)采用分析和数值技术来模拟这些数字游泳者的运动；3)开发控制和优化方法，使我们能够找到给定身体最有效的运动策略。为了验证，我们将我们的合成运动与已发表的鱼尾驱动运动的结果进行了比较。这一验证为我们对其他游泳方式的研究提供了信息，包括鳐鱼翅膀状胸鳍的拍打，鲸鱼和海豚的垂直尾部运动，电鳗和墨鱼的背鳍上的行波，海龟的桨驱动运动，龙虾的尾踢和水母的涟漪钟。对于每种游泳风格，我们都设计了一个几何模型和一组参数化的行为，这些行为可以控制以实现协调运动和任务级目标。我们也在研究这些游泳方式在不同的流体条件和目标下的有效性。

Abstract - Aquatic Propulsion LaboratoryPIs ? Jarek Rossignac, Georgia Institute of Technology / Eva Kanso, University of Southern CaliforniaThe oceans are filled with creatures with a wondrous array of shapes and swimming styles, yet only a small number of these have been studied. The goal of the Aquatic Propulsion Laboratory is to create computer tools for reverse engineering and evaluating the aquatic locomotion strategies across species in order to advance our knowledge of the biology and mechanics of swimming. Moreover, some of these unexplored swimming styles may inspire the design of better artificial swimmers for use in aquatic exploration, engineering, and medicine. The created tools, data sets, animations, and digital models of swimming styles will be made available to other researchers, students, and educators.Our research combines: 1) inventing geometric representations of deforming bodies for aquatic locomotion, and interactive tools for combining them, 2) employing analytic and numerical techniques for simulating the motion of these digital swimmers, and 3) developing control and optimization methods that allow us to find the most efficient motion strategies for a given body. For validation, we are comparing our synthetic motion to published results of tail-driven motion of thunniform and carangiform fish. This validation informs our study of other swimming styles, including the flapping of the wing-like pectoral fins of rays, the vertical tail motions of whales and dolphins, the traveling waves along the dorsal fins of electric eels and the mantles of cuttlefish, the paddle-driven motion of sea turtles, the tail kicks of lobsters and the rippling bells of jellyfish. For each swimming style, we are designing a geometric model and a set of parameterized behaviors that can be controlled to achieve coordinated motion and task-level goals. We are also conducting studies of the effectiveness of these swimming styles under different fluid conditions and goals.