{"id":357425,"date":"2024-03-16T19:41:20","date_gmt":"2024-03-16T19:41:20","guid":{"rendered":"\/forum\/forums\/topic\/varying-dihedral-angle-with-respect-to-airspeed-ansys-fluent\/"},"modified":"2024-03-16T19:41:20","modified_gmt":"2024-03-16T19:41:20","slug":"varying-dihedral-angle-with-respect-to-airspeed-ansys-fluent","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/varying-dihedral-angle-with-respect-to-airspeed-ansys-fluent\/","title":{"rendered":"Varying Dihedral Angle with Respect to Airspeed (Ansys Fluent)"},"content":{"rendered":"<p>I am new to Ansys working on a project for school. The project consists of changing the dihedral angle of a wing mid-flight with respect to the airspeed. I am able to simulate the design with a dihedral of zero degrees just fine. The next step I want to do is change the dihedral angle with respect to the incoming airspeed. My first idea was import the aircraft with no wings, then import a left and right wing so there are three separate bodies. I created the enclosure and boolean (I also preserved the tool bodies). I meshed the object and named the walls of the wind tunnel, inlet, outlet, right wing, left wing, and fuselage. I also added a patch confirming method for tetrahedrons. (It is good to note that I have tried running this model in fluent with no angle and I am only getting data for one of the wings).<\/p>\n<p>Once I get into fluent is where I am stuck. I have a few ideas how to change the wing angle but I am not sure how they work. My first idea is possibly using the Cell Zone Conditions, then Rotation-Axis Origion and Rotation-Axis Direction, and creating a formula that will move the wings with respect to the incoming airspeed.<\/p>\n<p>Through research I have also found the moving reference frame, but I have no clue how to apply it to the means of my project.<\/p>\n","protected":false},"template":"","class_list":["post-357425","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"I am new to Ansys working on a project for school. The project consists of changing the dihedral angle of a wing mid-flight with respect to the airspeed. I am able to simulate the design with a dihedral of zero degrees just fine. 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