Please see OSS note 1709838 for details. The default schema, SAP<SID>, can not be changed to a customer chosen name, as there is currently no rename schema expression available within the SQL reference of HANA.
http://service.sap.com/sap/support/notes/1709838
Tags: HANA System Refresh Steps, SAP HANA System Copy Procedures, SAP BW on HANA System Copy