self.add_output('xv',val=np.zeros(self.dim*len(self.mrf.msh.nodes)),desc='aerodynamic volume node coordinates',tags=['mphys_coupling'])# volume node coordinates can be 2D or 3D
self.add_output('xv',val=np.zeros(self.dim*len(self.mrf.msh.nodes)),desc='aerodynamic volume node coordinates',tags=['mphys_coupling'])# volume node coordinates can be 2D or 3D