Serial number

Typical forms of accidents

The vehicle accident before the instantaneous speed recommended calculation method

1

Car and car frontal collision

Type in:

,The instantaneous speed car crash -- before, units for kilometers per hour (km/h);

--, automobile quality, units of kg (kg);

Vehicle longitudinal sliding friction coefficient, --;

,-- auto adhesion coefficient correction;

,-- slip distance car after the collision, units of meters (m);

 -- automobile plastic deformation, units of meters (m);

 -- the acceleration of gravity, 9.8m/s².

Note: type used in the car frontal collision effective collision velocity and plastic deformation and experiential formula, the actual work can revise it.

   After the collision of 2 cars along the original direction, take the "-"; after the collision with 2 car 1 car along the 1 direction movement, the "+" no..

2

The car and the car rear end collision

Type in:

,-- vehicle collision, collision instantaneous speed car before the collision, unit for kilometers per hour (km/h);

-- vehicle collision, collision, vehicle quality, unit of kg (kg);

 -- vehicle collision longitudinal sliding friction coefficient;

 -- vehicle collision adhesion coefficient correction;

,-- vehicle collision, collision distance of sliding car after the collision, units of meters (m);

 -- be rolling resistance coefficient of collision vehicle;

 The collision vehicle -- the amount of plastic deformation, units of meters (m);

 -- the acceleration of gravity, 9.8m/s².

Note: type used in the rear end collision between a car and the effective collision velocity and plastic deformation and experiential formula, the actual work can revise it.

3

The car and the car right angle side collision

Serial number

Typical forms of accidents

The vehicle accident before the instantaneous speed recommended calculation method

3

The car and the car right angle side collision

Type in:

,-- vehicle collision, collision instantaneous speed car before the collision, unit for kilometers per hour (km/h);

,-- vehicle collision, the collision vehicle longitudinal sliding friction coefficient;

,-- vehicle collision, the collision vehicle attachment coefficient correction;

,-- vehicle collision, collision distance of sliding car after the collision, units of meters (m);

,-- vehicle collision, collision vehicle quality, unit of kg (kg);

,-- vehicle collision, the collision vehicle slip angle of deviation;

Coefficient of 3.6 -- conversion of units produced;

 -- the acceleration of gravity, 9.8m/s².

4

Change the lateral motion of motorcycle collision side of the vehicle and vehicle

The rider fell calculation method in the collision of the car

The rider over the calculation method of collision roof

Type in:

 ,Instantaneous velocity -- automobile, motorcycle before the collision, unit for kilometers per hour (km/h);

 -- automobile, motorcycle, bicycle quality, unit of kg (kg);

 -- adhesion coefficient correction;

 -- slip distance car after the collision, units of meters (m);

 -- vehicle longitudinal sliding friction coefficient;

 -- collision vehicle slip angle of deviation;

Coefficient of 3.6 -- conversion of units produced;

 -- the acceleration of gravity, 9.8m/s².

5

Motorcycle collision car side and the wheelbase reduced

Type in:

 -- the instantaneous speed motorcycle before the collision, unit for kilometers per hour (km/h);

 ,-- motorcycle, car quality, unit of kg (kg);

 -- motorcycle wheelbase reduced amount, unit metres (m);

Serial number

Typical forms of accidents

The vehicle accident before the instantaneous speed recommended calculation method

5

Motorcycle collision car side and the wheelbase reduced

 -- the acceleration of gravity, 9.8m/s².

Note: the experience formula is summarized from the experiment, the actual work can revise it.

6

Cars with two wheel motorcycle or bicycle centroid side collision

Type in:                                       

,-- two wheel motorcycle or bicycle, car crash in front of the instantaneous velocity, unit for kilometers per hour (km/h);

,,-- two wheel motorcycle or bicycle, car, ride quality, unit of kg (kg);

 -- auto adhesion coefficient correction;

,,-- two wheel motorcycle or bicycle, car, bicycle collision after sliding distance, in meters (m);

,, -- two wheel motorcycle or bicycle and road friction coefficient, vehicle longitudinal sliding friction coefficient of adhesion coefficient, the rider with the ground;

,-- two wheel motorcycle or bicycle, the rider was thrown angle;

 -- the acceleration of gravity, 9.8m/s²;

 -- collision the rider's centroid height, units of meters (m);

Coefficient of 3.6 -- conversion of units produced.

7

The front side impact vehicle with two wheel motorcycle or bicycle centroid

Type in:

,-- two wheel motorcycle or bicycle, car crash in front of the instantaneous velocity, unit for kilometers per hour (km/h);

 -- auto adhesion coefficient correction;

 -- after the collision car slip distance, in meters (m);

 -- vehicle longitudinal sliding friction coefficient;

 -- vehicle slip angle of deviation;

Coefficient of 3.6 -- conversion of units produced;

 -- the acceleration of gravity, 9.8m/s².

8

Car and bicycle rear end collision

Type in:

 The instantaneous speed car crash -- before, units for kilometers per hour (km/h);

,,-- car, bike, ride quality, unit of kg (kg);

 -- auto adhesion coefficient correction;

Serial number

Typical forms of accidents

The vehicle accident before the instantaneous speed recommended calculation method

8

Car and bicycle rear end collision

 -- after the collision car slip distance, in meters (m);

 -- automobile longitudinal sliding friction coefficient;

Coefficient of 3.6 -- conversion of units produced;

 -- the acceleration of gravity, 9.8m/s².

9

Vehicle pedestrian collision and pedestrian collision after being thrown

Type in:

 The instantaneous speed car crash -- before, units for kilometers per hour (km/h);

 The coefficient of friction with the ground -- body;

 -- the collision point and the distance between the human body finally stop position, units of meters (m);

 -- pedestrian impact centroid height, units of meters (m);

Coefficient of 3.6 -- conversion of units produced;

 -- the acceleration of gravity, 9.8m/s².

10

Road crash and the car is the first landing point is the bottom slope

Type in:

 The instantaneous speed car front -- fall, unit for kilometers per hour (km/h);

 The car crash site -- distance to stop location, units of meters (m);

 -- falling height, units of meters (m);

 The car crash -- with the ground after the rolling resistance coefficient;

Coefficient of 3.6 -- conversion of units produced;

 -- the acceleration of gravity, 9.8m/s².

11

The car hit fixtures

Type in:

 The car hit the instantaneous speed -- fixtures before, units for kilometers per hour (km/h);

 -- automobile plastic deformation, units of meters (m).

Note: this type is obtained for the foreign experience formula of the experiment, and can be modified in real work.

12

The car overturned in pavement sliding body

Type in:

 The car overturned before -- the instantaneous velocity, unit for kilometers per hour (km/h);

  -- take "+" grade, uphill, downhill "-";

 The friction coefficient of the vehicle and the road --;

  -- body on the pavement in the sliding distance, in meters (m);

 -- the acceleration of gravity, 9.8m/s².

13

Auto rolling or jumping into an obstacle

Type in:

 -- car rolling or jumping in front of the instantaneous velocity, unit for kilometers per hour (km/h);