Acknowledgements. This work has been financially supported by the National Natural Science Foundation of China (Nos. 51705034 and 51805047), the Natural Science Foundation of Hunan province (Nos. 2018JJ3548 and 2019JJ50664), and Innovation Platform Foundation of Key Laboratory of Safety Design and Reliability Technology for Engineering Vehicle of Hunan Provincial Department of Education (17K003).
Financial support. This research has been supported by the National Natural Science Foundation of China (grant nos. 51705034, 51805047), the Natural Science Foundation of Hunan Province (grant nos. 2018JJ3548, 2019JJ50664), and the Innovation Platform Foundation of Key Laboratory of Safety Design and Reliability Technology for Engineering Vehicle of Hunan Provincial Department of Education (grant no. 17K003).