Basic course goals: 1) introducing students with specificities of dynamic processes of construction and mining machines; 2) introducing students with problems of strength of of construction and mining machines substructures; 3) mastering practical skills which are necessary for analysis of dynamic behavior and strength of construction and mining machines.

This course offers its students competences in the following areas: • Properly forming reduced dynamic models of the carrying structures and mechanisms of mining and civil machines, as typical representatives of complex dynamic systems with varying configuration, in accordance with the field of study; • Solving the problems of properly modeling excitation which is, in case of open-pit mining machine, of periodic nature; • Proficient analysis of the response of a dynamic system in conditions of continuous variation of constructional and excitation parameters; • Analysis and critical assessment of relevant literature and technical regulations in the related field of study.

Basic excavating machines dynamics – backhoe excavators and bulldozers. Dynamics of raw material fragmenting and sorting machines – crushers and screening machines. Dynamics and strength of machines for continuous excavation.

Dynamic models of single bucket excavator excavating devices. Impact of Bulldozer to the obstacle. Calculation of basic parameters of crushing and screening machines. Bucket wheel excavators and trenchers excitation modeling (determination). Analysis of bucket wheel excavators’ and spreaders’ structure response on excitation caused by external excitation. Consultations.

Required previously passed courses: Numerical methods, Vibrations of mechanical systems, Structural Analysis of Material Handling Machines

1. Computers, Laboratory 516 2. Software Matlab, Catia

Total assigned hours: 65

New material: 30
Elaboration and examples (recapitulation): 20

Auditory exercises: 0
Laboratory exercises: 0
Calculation tasks: 0
Seminar paper: 0
Project: 0
Consultations: 0
Discussion/workshop: 0
Research study work: 0

Review and grading of calculation tasks: 0
Review and grading of lab reports: 0
Review and grading of seminar papers: 5
Review and grading of the project: 0
Test: 0
Test: 0
Final exam: 10

Activity during lectures: 0
Test/test: 0
Laboratory practice: 0
Calculation tasks: 0
Seminar paper: 70
Project: 0
Final exam: 30
Requirement for taking the exam (required number of points): 0

Srđan Bošnjak, Bucket Wheel Trenchers, University of Belgrade, Faculty of Mechanical Engineering, Belgrade, 2001.; Durst W, Vogt, W. Bucket Wheel Excavator. Clausthal-Zellerfeld: Trans Tech Publications; 1989.; Волков, Д. П., Черкасов, В. А.: Динамика и прочност многоковшовых экскаваторов и отвалообрзователей, Машиностроение, Москва, 1969.