Product development. Role and significance of designing. Designing as a creative process. Designing theory. Project types. Project task. Conceptual designing. Methods for forming variant solutions. Methods for selection of optimal variant. Conceptual project. Phases and procedures of construction designing and drafting. Main machine project. Metodology of automated design. Automation of conceptual designing phase. Application of expert systems in designing. Fundamentals of industrial design. Automation of engineering analysis appilcation by CAE programmes. Principles of elements, connections, masses and mobile machine load modelling – preprocessing. Forming of dynamic models and operation simulation of transporting machines (MSC ADAMS). Application of MKE in engineering analysis (softwares for FEM). Determination of tension and dimensioning of elements. Optimization softwares and methods. Integration of software and forming of virtual machine prototypes (Virtual Prototyping). Operation simulation and behaviour of virutal prototype as project solution control. Development of construction documentation. Principles and regulations of technical documentation of main machine project writing.