This thesis deals with the numerical analysis state of stress diesel engine piston. Based on results of performed analyses a new pistons designed with a focus on mass reduction and consequently individual structural designs are compared with present piston.

The diploma thesis deals with the design of the replacement the Z 143 LSi landing gear with the new VUT 100 type landing gear in a retractable system. The first part of this thesis is devoted to the description of the Z 143 LSi aircraft and its landing gear and the description of the retractable landing gear type VUT 100. The next part describes the possible variants of the installation the VUT 100 landing gear, which are critically evaluated. Then there is selected the final variant for the installation, which is designed in Catia V5 software. The final design includes remotorization with Lycoming IO-390 and new design of engine bed. For the proposed solution, a new mass analysis with the calculation of centrations, new cases of ground load, a new flight envelope of load and additional cases of load of a new engine bed are prepared. The proposed engine bed is analyzed by the finite element calculation method in the MS Patran software. Finally, a possible scheme of the chassis retraction system is proposed.

This master thesis deals with the modernization of the main landing gear of the Z 143 LSi aircraft. The main emphasis is placed on optimizing of the landing gear shape and its deformation characteristics. Along with this change, variants made of different materials are examined. The landing load is calculated analytically and the load-bearing capacity of the structure is verified using the numerical FEM method. This work brings a possible replacement of the current chassis, which is production-intensive not only in time and money, but also in terms of cooperation with external companies. The objective is to design a new landing gear and verify the feasibility for the case of future implementation.

This master`s thesis deals with the design of an offshore crane jib with maximal safe working load 80 tons and maximal radius 45 meters. The design consists of a design solution of the steel construction and a stress analysis of its FEM model, which was performed using NX I-deas software according to the requirements and specifications of the Huisman company. This thesis includes source materials for drawing documentation.

This thesis deals with the design of the front wheel hub and upright of Formula student car. First component is a short search on Formula Student event and comparing diverse structures of upright for use in both racing and road cars. It also includes design of hub and upright in the CAD program and computational model of the upright created in FEM program specifically for stress analysis in selected conditions. It also includes optimization of the overall proposal.

The master’s thesis contains a plan of hinged adapter for cord header Cornpower 8-75 of the BISO Schrattenecker Company. The adapter is designed for threshing machines New Holland. The thesis includes a comparison of the mechanisms used by competitors. Further it contains design of the entirely different mechanism, its kinematics solution of the hydraulic circuit and calculating of the strength using FEM method, including calculation of contacts. The drawing documentation is done in Catia V5 and strength calculations in NX-Ideas and Marc 2010.

The topic of this thesis is springing of front driving axle design in Zetor tractor of series Proxima including FEM analysis. The thesis also deals with study of currently used suspended front axles produced by word known manufacturers.

This Diploma thesis deals with a design of a powertrain of fice-cylinder gasoline radial engine with assigned main parameters (bore, stroke, etc.). The work is divided into several parts: kinematics of the radial engine, creation of 3D models, force acting on the connecting rods, balancing of the engine. The last part is focused on creating MKP models, stress analysis and determining of fatigue safety of the selected parts.

The topic of this thesis is strength check of hydrostatic steering circuit for Zetor Forterra HSX tractor. Next part of the thesis deals with steering column support structure and pedal group console design including FEM analysis, allowing installation of steering columns of different types.

The Master´s thesis deals with the engineering design of single-axle brakeless dump trailer for a tractor designed for transporting and dumping of particulate materials and firewood. The engineering design of the trailer is based on the proposed kinematic scheme and the basic calculations that are checked by FEM analysis in Ansys Workbench. The drawing documentation is done in AutoCAD.