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Tacking Simulation of Sailing Yachts with New Model of Aerodynamic Force Variation During Tacking Maneuver

机译：航模操纵过程中气动力变化新模型的帆船操纵模拟

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A mathematical model for the tacking maneuver of a sailing yacht is presented as an extension of research by the same authors. The authors have proposed the equations of motion for the tacking maneuver expressed in the horizontal body axis system. The calculation method was applied to a 34-foot sailing cruiser and the simulated result showed good agreement with the measured data from full-scale tests; however, the modeling of aerodynamic force variation during tacking was insufficient due to lack of information about the sail forces. In this report, the authors performed full-scale measurement of sail forces during tacking maneuvers using a sail dynamometer boat Fujin. The Fujin is a 34-foot sailing cruiser which has a measurement system to obtain simultaneously sail forces, sail shapes, and boat attitude. Based on the results of full-scale measurements, a new model of aerodynamic force variation for the tacking maneuver was proposed. The equations of motion were also simplified to more easily perform the numerical simulation. Using this calculation method, the tacking simulations were performed and compared with the measured data from three full-scale boats. The simulated results showed good agreement with the measured data. This simulation method provides an effective means for assessment of tacking performance of general sailing yachts.
机译：作为同一作者研究的扩展，提出了用于帆船航行操纵的数学模型。作者提出了在水平车身轴线系统中表示的定位操纵的运动方程。将该计算方法应用于一艘34英尺高的航行巡洋舰，仿真结果与实测数据吻合良好。但是，由于缺乏有关帆力的信息，因此在航行期间对气动力变化的建模是不够的。在此报告中，作者使用风帆测功机船Fujin对航行期间的帆力进行了全面测量。 Fujin是一款34英尺的航行巡洋舰，具有测量系统，可同时获取航行力，航行形状和船姿。基于全面测量的结果，提出了一种用于操纵的气动力变化的新模型。还简化了运动方程，以更轻松地执行数值模拟。使用这种计算方法，进行了定位模拟，并将其与来自三艘全尺寸船的测量数据进行了比较。仿真结果与实测数据吻合良好。这种模拟方法为评估普通帆船的航行性能提供了有效的手段。

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