NACA Airfoil SolidWorks Flow Analysis's tutorial | Aerodynamics | Drag Vs Lift Force

Aim : Model the flow over a NACA0017 Airfoil for the angle of attack 0,2,4,6,8,10 Compare the lift anddrag force.

Introduction : The NACA Airfoil are Airfoil shapes for aircraft wings developed by the National Advisory Committee for Aeronautics (NACA). The shape of the NACA airfoils is described using a series of digits following the word "NACA". The parameters in the numerical code can be entered into equations to precisely generate the cross-section of the airfoil and calculate its properties.

Procedure :
1.) first to import data file in solidwork and convert in to entity.
2.) adjust angle for requirement from 0 to 10 degree and the convert in to solid part.
3.) create wizard for external simulation and use time dependent.
4.) use air as fluid flow 600 m/s in x direction.
5.) remain use default .
6.) convert computational domain in 2D and adjust according to flow.
7.) use global goal (Normal force in (X) and (Y)) direction and friction force in (x) and (y) direction.
8.) also use surface goal for friction forces in (x) and (y) direction.
9.) use basic and local mesh in the surface.
10.) and the RUN the program.
11.) after completion calculation over result is obtained in result column.
12.) add cut plot for velocity and arrange colour bar for 200 shades of colour.
13.) now we have obtained simulation result for lift and drag force with different colour range.

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[francischan]

what's the purpose of setting friction force for BOTH "global goal" and "surface goal"

[notdjello]

Hello thank you for the video. When I run the simulation the Solver gives me a warning "Supersonic flow is detected within a considerable number of cells" and takes a while to run. Any suggestions?

[gammarey]

somehow it says entity can't be rotated with my NACA2414

[vlatkopopovski]

The authors have two wrong scientific approaches: researching the creation of Lift force and Low pressure at upper side of the wing, relative to the ground surface and Earth. I explain the aerodynamic cavitation and existence of Lee side aerocavern, and creation of Aerodynamic force. Low pressure creates force normal to the cord (contact surface), and it name is "aerodynamic force" because is made from the air (aero) in motion (dynamic), or wind relative to the wing (object).