We consider falling of a ball caused by gravity inside a column of viscous incompressible fluid. You may find text description for this example here: https://flowvision.ru/webhelp/tuten_31201/index.html?movingbodies_fallingball.htm Version FV - 3.12.01 #CFD#FlowVision#FV#viscousfluid#FV3.12.01#movingbody