Patent ID: 11928396
Assignee: TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 12:
13. A system for testing the fluid dynamic characteristics of body shapes of a vehicle, the system comprising:
a processor comprising:
a memory;
a display; and
a user interface configured to receive inputs from a user,

wherein the processor is configured to:
receive a first body shape of a vehicle to be simulated;
receive a set of initial conditions;
perform a first baseline computational fluid dynamic simulation and a second baseline computational fluid dynamic simulation of a simulated area or volume containing the first body shape of the vehicle using the set of initial conditions;
perform a change computational fluid dynamic simulation using a second vehicle body shape using the set of initial conditions; and
for each point within the simulated area or volume:
create a noise subtraction image by subtracting a value of a scalar field for the second baseline computational fluid dynamic simulation from the value of the scalar field for the first baseline computational fluid dynamic simulation;

create a change subtraction image based by subtracting a value of the scalar field for the change computational fluid dynamic simulation from the value of the scalar field for a selected baseline computational fluid dynamic simulation selected from the first baseline computational fluid dynamic simulation or the second baseline computational fluid dynamic simulation; and
compare the change subtraction image to the noise subtraction image.