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Results in post/processor

jozef.bucha
Hello,
 
How are results organized in Adams/PostProcessor ? It looks like to me if several request use same result set name then request is not in result container, i.e. roll_center_location is not in testrig (result container), If just one request like i.e. camber angle uses one result set name, then it is in results set container.
 
Is my observation correct, or there is some other logic behind organization of requests in processor?
 
Thanks in advance
 
Jozef
Parents
  • 0
    I believe that same goes with turn radius, both of them AFAIK give same results
     
    According help:
     
    Description
    The turn radius is the distance measured in the ground plane from the vehicle center line to the turn center along the y-axis (see the figure for Ackerman Angle). Turn radius is positive for right turns and negative for left turns.
    Units Length
    Request Names turn_radius.left
    turn_radius.right
    Inputs Steer angle (see Steer Angle)
    Track width
    Wheelbase
    Wheel-center orientations - left and right
     
    Method
    Adams Car determines the inside wheel by checking the sign of the steer angles. It computes turn radius using the inside tire orientation.
    Left turn:
    turn_radius.left = - [Wheel Base (DCOSY/DCOSX) + Track/2]
    Right turn:
    turn_radius.right = [Wheel Base x (DCOSY/DCOSX) + Track/2]
     
     
    turn_radius
     
    Symmetric vehicle:
    Wheelbase=2000
    W.C._left=0.0, -800.0, 300.0
    W.C._right=0.0, 800.0, 300.0
    Track=1600
     
    Left turn
    plot_5
    plot_7
    For right turn
    plot_6
    plot_8
    Both request components are giving same results.
     
    In Case of non symmetric vehicle
    Non-symmetric vehicle:
    Wheelbase=2000
    W.C._left=0.0, -800.0, 300.0
    W.C._right=0.0, 1100.0, 300.0
    Track=1900
     
    Left turn
    plot_1
    plot_3
    Right turn
    plot_2
    plot_4
     
    What is here little confusing is symmetry plane of vehicle, track is not something like for left wheel 800, for right wheel 1100, but is is using 950 mm for both of them. AFAIK track should be different for left and right wheel.
     
    Also longitudinal non-symmetry of left and right wheel is giving same turn radius results for left and right component.
     
    Jozef
     
     
Reply
  • 0
    I believe that same goes with turn radius, both of them AFAIK give same results
     
    According help:
     
    Description
    The turn radius is the distance measured in the ground plane from the vehicle center line to the turn center along the y-axis (see the figure for Ackerman Angle). Turn radius is positive for right turns and negative for left turns.
    Units Length
    Request Names turn_radius.left
    turn_radius.right
    Inputs Steer angle (see Steer Angle)
    Track width
    Wheelbase
    Wheel-center orientations - left and right
     
    Method
    Adams Car determines the inside wheel by checking the sign of the steer angles. It computes turn radius using the inside tire orientation.
    Left turn:
    turn_radius.left = - [Wheel Base (DCOSY/DCOSX) + Track/2]
    Right turn:
    turn_radius.right = [Wheel Base x (DCOSY/DCOSX) + Track/2]
     
     
    turn_radius
     
    Symmetric vehicle:
    Wheelbase=2000
    W.C._left=0.0, -800.0, 300.0
    W.C._right=0.0, 800.0, 300.0
    Track=1600
     
    Left turn
    plot_5
    plot_7
    For right turn
    plot_6
    plot_8
    Both request components are giving same results.
     
    In Case of non symmetric vehicle
    Non-symmetric vehicle:
    Wheelbase=2000
    W.C._left=0.0, -800.0, 300.0
    W.C._right=0.0, 1100.0, 300.0
    Track=1900
     
    Left turn
    plot_1
    plot_3
    Right turn
    plot_2
    plot_4
     
    What is here little confusing is symmetry plane of vehicle, track is not something like for left wheel 800, for right wheel 1100, but is is using 950 mm for both of them. AFAIK track should be different for left and right wheel.
     
    Also longitudinal non-symmetry of left and right wheel is giving same turn radius results for left and right component.
     
    Jozef
     
     
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