An expert system for vehicle accident reconstruction

Lyubenov, D.; Mateev, Valentin; Kadikyanov, Georgi

doi:10.1088/1757-899x/614/1/012006

Cited by 5 publications

(2 citation statements)

References 10 publications

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“…Determining the real elastic constants of different tire types allows modelling automobile motion taking into account real traffic conditions (Kolev and Kadirova, [11]; Lyubenov et al [12]).…”

Section: Results Of the Field Experiments Of Measuring And Determinin...mentioning

confidence: 99%

Еlastic properties of tyres affecting car comfort, driving and riding

Dechkova

2023

International Journal of Applied Mechanics and Engineering

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The present paper focuses on an elastic properties analysis of new and depreciated tires. The research was carried out using two different methods, field and numerical, respectively. The purpose of the study is to check whether there is a change in the elastic properties of the tire during its depreciation and to what extent these processes affect the comfort of driving and riding. The experimental tests were conducted on a hydraulic test stand and by applying strength and deformation analysis the effect of its structure deformation was additionally considered. The investigation performed on a vehicle-based tire test stand to find out stress-strain and tire deformation was with different vertical loading according to FEM. The numerical solution was reached by implementing SolidWorks - Simulation and Abaqus. The obtained results are graphically compared, and the average value of the elastic constant for a new and depreciated tire has been determined.

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Section: Results Of the Field Experiments Of Measuring And Determinin...mentioning

confidence: 99%

Еlastic properties of tyres affecting car comfort, driving and riding

Dechkova

2023

International Journal of Applied Mechanics and Engineering

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“…The aim of the present paper is to design and come up with a dynamic model of a vehicle-fixed barrier front crash in three separate motion phases and to investigate the inertial forces' impact on occupant behavior in the passenger compartment. While predicting dynamically changing values and inertial forces, the impact of passive safety systems has been also determined [7][8][9][10][11][12].…”

Section: Dynamic Model Of a Vehicle-fixed Barrier Front Crashmentioning

confidence: 99%

Impact of Inertial Forces on Car Occupants in a Vehicle-Fixed Barrier Front Crash

Karapetkov,

Uzunov,

Dechkova

et al. 2023

Symmetry

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In most cases, the dynamic investigation of vehicle collisions with stationary obstacles concerns solutions to complex tasks related to the identification of occupant position in the vehicle. The motion of the bodies in the car is determined by the intensity of the inertial coordinate system, also known as moving reference frame, invariably fixed to the vehicle’s center of mass. The focus of the study is on how forces of inertia change their magnitude and direction in the car’s motion. This requires specific analysis carried out by dividing the vehicle trajectory into separate stages according to certain indicators, such as free motion, impact process, and post-impact residual motion. Particular attention has been paid to the impact itself, in which the forces of inertia are the most intense, and their magnitude and direction change abruptly. A solution to a Cauchy problem has been found, in which initial kinematic parameters of the crash process are considered, satisfying the kinematic values at rest position.

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Numerical modelling of thermal conduction processes in the fins of two-stage “water to air” heat exchanger

Kolev¹,

Kadirova²

2022

The 9TH INTERNATIONAL CONFERENCE OF THE INDONESIAN CHEMICAL SOCIETY ICICS 2021: Toward a Meaningful Society

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An expert system for vehicle accident reconstruction

Cited by 5 publications

References 10 publications

Еlastic properties of tyres affecting car comfort, driving and riding

Еlastic properties of tyres affecting car comfort, driving and riding

Impact of Inertial Forces on Car Occupants in a Vehicle-Fixed Barrier Front Crash

Numerical modelling of thermal conduction processes in the fins of two-stage “water to air” heat exchanger

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