Project supported by the National Natural Science Foundation of China(Nos.U2033208,52192633);the Natural Science Basic Research Plan in Shaanxi Province of China(No.2021JQ-006);the China Postdoctoral Science Foundation(No.2020TQ0241);the Innovative Scientific Program of China Nuclear Power Engineering Co.,Ltd。
In this work,we design a twisting metamaterial for longitudinal-torsional(L-T)mode conversion in pipes through exploring the theory of perfect transmodal FabryPerot interference(TFPI).Assuming that the axial and radia...
Project supported by the National Key Research and Development Program(No.2016YFB0200700);the National Natural Science Foundation of China(Nos.11532016 and 11672324)
This paper numerically studies the aerodynamic performance of a bird-like bionic flapping wing.The geometry and kinematics are designed based on a seagull wing,in which flapping,folding,swaying,and twisting are consid...
Project supported by the National Natural Science Foundation of China(No.11172130)
In the framework of elastic rod model, the Euler-Lagrange equations characterizing the equilibrium configuration of the polymer chain are derived from a free energy functional associated with the curvature, torsion, t...
Project supported by the National Natural Science Foundation of China(No.10602061)
The aerodynamic mechanism of the bat wing membrane Mong the lateral border of its body is studied. The twist-morphing that alters the angle of attack (AOA) along the span-wise direction is observed widely during bat...