Database S1 from A chordwise offset of the wing-pitch axis enhances rotational aerodynamic forces on insect wings: a numerical study

Database containing all the wing geometries, and kinematics and aerodynamic forces of all simulations. The file is in “.mat” format that can be read by popular scripting languages like Matlab and Python. The file is organized through structures, the first two structures are the geometry and simulations structure. Inside the geometry structure all the geometries are organized by name (ellipse, fruitfly, mosquito), inside the ellipse structure the geometry files are organized by the location of the pitch-axis (pitch_axis_1em4, pitch_axis_2em4, pitch_axis_3em4, pitch_axis_4em4, pitch_axis_5em4). In each geometry folder the data in table S3 is available. Inside the simulations structure the data is organized by geometry (ellipse, fruitfly, mosquito), then by pitch angle (pitch_angle_30, pitch_angle_45, pitch_angle_60). For the ellipse wings there is the additional structures for the different pitch-axes. Then the data is organized by stroke angle (stroke_angle_1000 for stroke=1000 rad/s), then by pitch angle (pitch_angle_3000 for pitch=3000 rad/s). Inside the final folder the data per simulation is available as described in table S4.

本数据库收录了全部仿真实验对应的机翼几何参数、运动学数据与气动力数据。该数据集文件采用.mat格式，可通过Matlab、Python等主流脚本语言读取。文件以结构体（structure）进行组织，前两个核心结构体分别为几何结构体与仿真结构体。几何结构体中，所有机翼几何均按名称分类（椭圆、果蝇、蚊子）；在椭圆几何子结构体下，几何文件按俯仰轴（pitch-axis）的位置组织，具体包括pitch_axis_1em4、pitch_axis_2em4、pitch_axis_3em4、pitch_axis_4em4、pitch_axis_5em4。每个几何文件夹下均包含表S3中所列的相关数据。仿真结构体中，数据首先按机翼几何类型（椭圆、果蝇、蚊子）分类，随后按俯仰角分组，即pitch_angle_30、pitch_angle_45、pitch_angle_60。针对椭圆机翼，还额外设有对应不同俯仰轴的子结构体。随后数据按冲程角（stroke_angle）组织，其中stroke_angle_1000对应冲程角速度ωstroke=1000 rad/s，再按俯仰角进一步细分，即pitch_angle_3000对应俯仰角速度ωpitch=3000 rad/s。最终文件夹内的每份仿真数据均遵循表S4中描述的格式。