Acknowledgments. This work is partly supported by the National Natural Science Foundation of China (Nos. 11290143, Ul135003, 11471066, 11271060, 11301052), Fundamental Research of Civil Aircraft (No. MJ-F-2012-04), and the Fundamental Research Funds for the Central Universities (Nos. DUT13LK07, DUT13LK45, DUT14YQ111).
The T-meshes are local modification of rectangular meshes which allow T-junctions. The splines over T-meshes are involved in many fields, such as finite element methods, CAGD etc. The dimension of a spline space is a ...