1. Zienkiewicz Centre for Computational Engineering, College of EngineeringSwansea University Swansea SA1 8EP Wales U.K.
2. Institute of Applied Mechanics and Biomedical EngineeringTaiyuan University of Technology Taiyuan 030024 Shanxi China
3. T‐3 Fluid Dynamics and Solid Mechanics Group, Theoretical DivisionLos Alamos National Laboratory Los Alamos New Mexico 87545 U.S.A.