Therefore, the first step is to select an ‘Internal flow volume’ operation, and follow the steps below: Figure 6: By excluding the rotating zone from the operation, its volume will be ignored for the flow volume extraction operation. Delete all solid parts from the geometry. ![]() Within CAD Mode, we have two main objectives: ![]() Water enters the pump through the front inlet and leaves through the top outlet.įigure 5: Entering the CAD Mode environment in SimScale The initial pump model contains the rotor blade, housing, and a back cover. This example features the geometry from the water pump tutorial. The first one will be for a water pump, the second for a wind turbine. For information regarding the setup of a rotating zone in SimScale, please visit this documentation page.īelow, you will find two examples showing the workflow to prepare the CAD model for a simulation with rotating zones. The most important requirement when you prepare the CAD for a simulation involving rotating motion is the rotating zone: a cylindrical volume surrounding all rotating parts. ![]() This article does not intend to be exhaustive: it only shows one of the possible workflows. Please note that, as far as CAD preparation goes, multiple workflows will lead you to the same result. For demonstration purposes, we are going to use Onshape. The workflows shown in this article can be followed in any CAD tool.
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