[mikaantero]

My case has nested rotations. The main rotation is controlled by variable angular speed, and the child rotation is a function of the main rotation’s angle of rotation. I use derived part point probes in appropriate rotating coordinate systems and measure the rotation angles in coordinate systems aligned with the Lab coordinate system.

Running the simulation over one timestep, and plotting the main rotation’s angle against iteration, the angle jumps to expected value at first iteration and remains there to the end of timestep. But what angle value goes in the report defining the child rotation as a function of main rotation’s angle defined like this with derived part probe? Is it the value at the beginning of the timestep or the updated value that shows at first iteration? This is important because my child rotation is written as function of the main rotation’s angle, and the child rotation is not in complete sync if it gets the value at the beginning of timestep, rather than from the updated value?

Anyone know?