机译:带有内部弹性点支撑和弹性约束边缘的矩形板自由振动的无单元Galerkin方法
School of Sciences, Xi'an University of Technology, Xi'an 710054, P. R. China;
School of Sciences, Xi'an University of Technology, Xi'an 710054, P. R. China;
School of Sciences, Chang'an University, Xi'an 710064, P. R. China;