The ERCOFTAC Knowledge Base Wiki is well recognized as the premier repository of structured knowledge and advice designed to underpin quality and trust in the industrial application of CFD. The Knowledge Base consists of individual test cases that are application centered, facilitating the identification of appropriate knowledge and advice for specific industrial purposes.

Traditionally, the test cases are organized around Application Areas, Underlying Flow Regimes (UFR) and Direct Numerical Simulations (DNS). Recently, the new category Experimental Studies (EXP) has been added with the aim to provide experimental data for gaining insight into the flow physics and supplying target values for testing and validating CFD methods. Among the first contributions in the new EXP category is the test case Axisymmetric drop impact dynamics on a wall film of the same liquid which originates from a cooperation between the experimental subproject A02 and the numerical subproject B08.