将白车身安装在测试台上，按所选约束方式约束白车身，样件固定后调平；确认样件需要测试的点，利用记号笔作出标记，记录测试点对应的 X、Y坐标，并对应布置位移传感器；分别对样件进行弯曲、扭转预加载和卸载，并用载荷传感器和位移传感器采集数据。

The body in white is mounted on the test bench, and the body in white is restrained according to the selected restraint mode. After the sample is fixed, the body is leveled. Confirm the points to be tested on the sample, mark them with a marking pen, record the X and Y coordinates corresponding to the test points, and arrange the displacement sensors accordingly; The samples were pre loaded and unloaded by bending, torsion, and the data were collected by load sensor and displacement sensor.