Muhammad Atif

5 Questions 4 Answers 0 Followers

Questions related from Muhammad Atif

How to measure drag coefficient by using pressure information around the vehicle?

Hi all, I am running a drag force analysis of the tractor-trailer. previously, I ran a simulation using Ansys Fluent but now I am moving towards experimental validation in a wind tunnel. I want to...

08 July 2021 3,424 6 View

How to simulate multiple velocities at the same time step before moving to the next time step in transient simulation using UDF?

Hello, I am running a transient simulation (using ANSYS2020R2) to study the effect of deflector position on the drag force of a tractor-trailer. I have written a UDF with CG_MOTION macro to...

12 March 2021 4,555 0 View

What is the direction of drag force of vehicle in crosswind conditions?

Hi, I am running simulations in crossflow conditions on a tractor-trailer model. I am having trouble understanding the direction of drag force at yaw angle greater than 0 degree such as 30 45 60...

25 November 2020 9,674 4 View

How the Ansys 17.0 uses sign convention to calculate drag forces on different faces?

Hi, I am a PhD Student currently running a drag force analysis of tractor-trailers for different deflector design on the cab Roof. I have define name selection for each face of tractor trailer...

24 November 2020 6,650 0 View

Analysing oil droplet distribution and droplet size of oil in an oil-water mixture

Hello all, I am running an analysis of the oil-water control valves. My aim is to improve the amount of shear generated by the valve body as the flow pass through it. As a result of this shear,...

01 January 1970 9,887 0 View