Before revision:  We take the tensor product structure of the computational patch of elements from  IGA framework as an advantage, allowing for linear computational cost factorization in every time step , with the automatic stabilization guaranteed by the RM method .
After revision:  We take the tensor product structure of the computational patch of elements from the IGA framework as an advantage, allowing for linear computational cost factorization in every time step , with the automatic stabilization guaranteed by the RM method .