机译:基于Bi-Helmholtz内核的应力驱动的非局部积分模型的功能渐变纳米管的扭转静态和振动分析
State Key Laboratory of Mechanics and Control of Mechanical Structures Nanjing University of Aeronautics and Astronautics Nanjing 210016 China;
State Key Laboratory of Mechanics and Control of Mechanical Structures Nanjing University of Aeronautics and Astronautics Nanjing 210016 China;