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Module number calls Overview – Module
name calls F1 Help file
Overview: This module computes Acceleration/Deceleration factors and rates
based on supplied information.
Overview:
This module computes detailed information on the Speed, Distance and
Time of a single acceleration event.
Overview: This module computes detailed information on the Speed, Distance
and Time of a single deceleration event. If lateral information is input, the
module also computes detailed swerve and swerve-and-return data.
Overview: This
module computes comparative data for two vehicles in two individual
acceleration, deceleration or constant velocity events and offers animation of
the maneuver.
Overview: This
module computes the intermediate and final speed, distance and time data for
multiple (99) acceleration, deceleration, or constant velocity events.
Overview: This
module computes the intermediate speed, final speed, distance and time data
over multiple surfaces in an acceleration, deceleration or at constant
velocity.
Overview: This
module computes detailed information on the Speed, Distance and Time of an
Acceleration-Transition-Deceleration event.
Overview: This
module computes Acceleration/Deceleration factors and rates, Time, Distance,
and/or Speed as appropriate based on supplied information. It will create a
table of user-developed research data (pedestrian/vehicle study) for speed,
time, distance and/or acceleration/deceleration rates, which automatically
integrates into the Statistical Range (Monte Carlo) module in REC-TEC allowing
additional analysis (mean, range, variance, upper and lower bounds).
This very powerful module does all of the basic
computations of the Acceleration/Deceleration Factor, Acceleration Single
Surface and Deceleration Single Surface modules of the program in a single
module. It provides Graphics,
Animation, Iteration and Finite Difference Analysis. It does not provide for Lateral Distance (Swerve / Lane Change)
computations, Grade and Braking adjustments.
Overview: This
module computes speed, time and distance required to either stop before
striking target vehicle, or decelerate enough to allow crossing target vehicle
to escape.
Overview: This
module computes the speeds, times and distances during which the vehicles are
exposed contact and during which contact will actually occur.
Overview: This
module computes the speed, time and distance at which a maximum rate
deceleration or an evasive maneuver must begin in order to match the speed of
the (accelerating, decelerating or constant-velocity) lead vehicle, thus
preventing a collision.
Overview: This
module computes the Time and Distance required to complete a passing maneuver
based.
Overview: This
module computes data on Turn and Lane Change maneuvers, including braking
during the turn, and compares different common formulae used in accident
reconstruction.
Overview: This
module computes the Fall/Vault Speed (along with ancillary information) for
specific input data regarding the horizontal and vertical change in the center
of gravity of a vehicle (object).
Overview: This
module computes the Vault Speed for Pedestrians using common formulae.
Overview: This
module computes the Pedestrian Vault and Slide information including detailed
vault data for a given Throw distance, vertical change of CG, friction value
and known or optimum launch angle.
Overview: This
module computes the Yaw - Critical Speed of Curve from Friction and Chord /
Middle Ordinate or Radius information.
Overview: This module computes speed dissipation from wheel forces due to
position. It can be used for spins, yaws or decelerations. This module can be used for either a Critical
Speed Maneuver or a Spin. Analysis is by position (Work-Energy computation).
Overview: This module computes the Radius, Speed, Lean Angle and/or
Friction Factor for (2-wheeled) motorcycles or bicycles in a turn.
Overview: This module computes for
unknowns in the collision using Conservation of Energy.
Overview: This module computes the
unknowns in the basic Kinetic Energy formulae for complex events and displays
both the energy and momentum of the object.
Overview: This module computes Energy
to break a wooden pole (power pole, utility pole) based on its circumference.
Overview: This module
computes the Impact Speeds, Angles and DeltaVs for angular and inline
collisions using a Drag and Drop interface with digital inputs available on an
interactive graphical interface. This module interface effectively marries
output from the CrushV module and Motion Analysis modules using a graphics
display to consolidate information on position and damage analysis verifying
the linear momentum solution. It then takes the finalized data and transfers it
to the 360 Linear Momentum module for further technical and statistical
analysis.
Overview: This module
computes the Impact Speeds, DeltaVs, PDOFs, Energy and Momentum data for
angular and inline collisions.
Overview: This module computes the
Impact Speed, DeltaV and PDOF data for angular collisions.
Overview: This module computes the
speed of a striking vehicle using pre- and post-impact data in conjunction with
inertial and rotational information.
Overview: This module computes the
Closure Speed and DeltaV data in Low Speed Collisions.
Overview: This module computes
post-impact information based on input pre-impact information (Linear Momentum
in reverse).
Overview: This module uses enhanced
Crash3 Damage Analysis algorithms to compute collision data including Delta V
(change of velocity) for the collision.
Overview: This module computes
“Kinetic Energy Equivalent Speed” or “Closing Speed” of collision using the
Vomhof (4N6XPRT SYSTEMS) methodology employing “Crush Factors.”
Overview: This module computes the
“Reduced Mass” of vehicles in collision and the maximum and actual Energy
available for Damage and relative Translational Motion. It also computes the
Crush Energy Equivalent Speed (CEES) for the collision.
Overview: This module computes A, B,
and G Stiffness values using data obtained from car-barrier or car-impactor
collisions.
Overview: This module computes an
approximate deceleration adjustment factor for a vehicle in rotation.
Overview: This module computes the
speed at which a tire will hydroplane using published formula under various
(input) conditions.
Overview: This module computes the Speed
of a vehicle or bicycle based on engine speed and two gear ratios.
Overview: This module computes Tangent
Offset information.
Overview: This module computes
Passenger Vehicle, Straight Truck, Bus or other non-articulated Vehicles
three-axis center of gravity based on information about vehicle and weights on
the wheels when level and then raised. This module will also compute rollover
speeds and critical speed of curve data.
Overview: This module computes
compliance of on-grade crossings with the requirements of AASHTO/AREA
standards.
Overview: This module computes the
required Sight Triangle values at on-grade railroad crossings.
Overview: This module displays
graphically the operation of Electronic Rail Circuits.
Overview: This module uses the formula
Sqr (a^2 + b^2 + c^2…) to combine the entries.
It can be used for speeds, solving for the hypotenuse of a right
triangle, or any other numbers that must be combined in this manner.
Overview: This module does most of the
conversions used in AR.
Overview: This module computes the
real and imaginary roots of a quadratic equation.
Overview: This module computes
detailed information on a Triangle defined by three sides or side/angle
information.
Overview: This module provides
mathematical justification for the ranging of variables based on a limited
number of samples.
Overview: This module provides
two-dimensional numerical rectification of photographic images.
Overview: This module computes and
simulates the deceleration of S-CAM or Air Disc equipped vehicles based on
Initial Speed or Distance and the setup and adjustments of the vehicles braking
system. This module compensates for the heat created during the run.
Overview: This module computes
Articulated Vehicle axle weights and three-axis center of gravity based on
information about vehicle and load (Bill of Lading).
Overview: This module computes Straight
Truck, Bus or other non-articulated Vehicle axle weights and three-axis center
of gravity based on information about vehicle and load (Bill of Lading or
passenger manifest).
Overview: This module computes the
Maximum Off-Tracking of articulated vehicles.
Overview: This module computes the
Rollover Speeds of a vehicle based on vehicle dimensional data.
Overview: This module computes axle
weights and center of gravity for Articulated Vehicles based on information
about Tractor, Trailer and Load.
Overview: This module computes basic
Time and Distance information from data retrieved from Electronic Data Modules
(cars and trucks) and formats it for enhanced examination by the Time -
Distance Multiple Events module.
Overview: This module
animates up to four vehicles in various acceleration, deceleration or constant
velocity scenarios while allowing two of the vehicles to execute turning
maneuvers.
Overview: This version of SMAC is a modification of the 1997
version that Calspan obtained from UMTRI.
In its original form as downloaded from Calspan, it was unusable. It has been modified slightly to make it
functional and to produce the required/desired output files.
Overview: Computes information for Pole / Narrow
Object Impact using Crush/Crash3, Vomhof, Nystrom & Kost, and Wood
methodologies.
Overview: Computes Speed from Motorcycle Crush Analysis. The paper “Motorcycle Crush Analysis” (Help
Button) is a reprint of the article by Wade Bartlett, PE appearing in Accident
Reconstruction Journal in March/April 2009. The paper is used with permission of the author and Vic Craig,
Editor of the Accident Reconstruction Journal.
Overview: Computes the Resultant vector (Length and
Angle) from the Longitudinal and Lateral DeltaV vectors downloaded from Event
Data Recorders. With additional inputs
it can compute DV1, DV2, V1, V2, V3, and V4.
Module 59: REC-TEC
Program Overview
Overview: Overview of the REC-TEC program
Module 60: Animation
Overview: Animation Output Files
Module 61: Finite
Difference Analysis
Overview: Computes an “Uncertainty Level” based on a specific range of the
variables within a formula.
Module 62: Drive3
Overview
Overview: Overview of the DRIVE3 program
Module 63: Path
Intrusion-Front
Overview: Computes the Driver Response Time involving a Path Intrusion from the
Front (Approaching)
Module 64: Path
Intrusion-Side
Overview: Computes the Driver Response Time involving a Path Intrusion from the
Side
Module 65: Vehicle
Changing Lanes
Overview: Computes the Driver Response Time involving Vehicle Changing Lanes
Module 66: Vehicle
Following
Overview: Computes the Driver Response Time involving the Primary Vehicle following
another vehicle
Module 67: Yellow
Signal Response
Overview: Computes the probability of stopping and Driver Response Time for given
inputs
Module 68: Pedestrian
Vaults
Overview: Changing the Reference Frame for
computing Pedestrian Vaults