摘要
Based on the natural exponential pair potential, the interaction potential between curved surface body and on surface particle is studied. Firstly, the interaction potential is written as a function of curvatures through the differential geometry. Secondly, idealized numerical experiments are designed to test the accuracy of curvature-based potential. Then, the driving forces induced by curvatures are analyzed, which confirms that micro/nano curved surface body can induce driving forces, curvatures and the gradient of curvatures are the essential elements forming the driving forces. Finally, by combing with the curvature based potential and driving forces, the movements of on surface particles and the evolution of surface morphology of curved surface body are predicted.
基金
the Natural Science Foundation of Jiangsu Province (Grants BK2018041 1 and BK20180429)
start-up funding awarded by the Nanjing University of Aeronautics and Astronautics (Grants 56SYAH 17065 and 90YAH17065)
the Fundamental Research Funds for the Central Universities (Grant NS2018004).
