Funding for this research was provided by:
National Natural Science Foundation of China (11231006, 11571232)
National Natural Science Foundation of China (11831011)
The Royal Society (NF170015)
National Natural Science Foundation of China (11201308)
Article History
Received: 2 December 2015
Accepted: 18 May 2019
First Online: 28 May 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: The authors are proud to comply with the required ethical standards by Archive for Rational Mechanics and Analysis.