Here we would like to draw your attention to RSH3 transaction code in SAP. As we know it is being used in the SAP BW-WHM (Warehouse Management in BW) component which is coming under BW module (Business Warehouse). RSH3 is a transaction code used for Simulate hierarchies in SAP.
It comes under the package for BW: Frontend Hierarchy Processing (RSSHMT). When we execute this transaction code, RSHIERSIM is the normal standard SAP program that is being executed in background. Transaction code RSH3 is included in the SAP component for SAP_BW.
Transaction RSH3 technical data table