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This paper takes the design calculation of beams as the object of study, the theoretical design formulas of various forms of beams under different stressful condition are derived from the initial parameter method, and the design calculation is programmed into special software with the procedure form based on the obtained theoretical formulas to realize the computer-aided design of beams. Then through...
Tower structure of the wind generating set is an important load-bearing parts, its design will directly affect the work of wind generating set performance and its reliability. In this paper, the design of tower structure of 180KW wind generating set was analyzed. Effects of different wind loads and structural parameters on the tower structural strength were investigated through finite element simulation...
Based on the stress-strength interference model, the safety factor of traditional mechanical design method is introduced into reliability design theory and the new concept of reliability safety factor is extracted. Then a new design method based on the reliability safety factor is established. The reliability safety factor design method can effectively avoid the blindness and conservatism of traditional...
A new design method which includes sub-model technology, 3D contact analysis of finite element, and non-free boundary meshing method is put forward to perform the static strength analysis of complex mechanical structures. A crankshaft of a high power diesel engine is introduced as a design example and its strength safety factors are checked. Analysis results are in line with the actual operation of...
Ceramic is one of promising materials for pressure housings because ceramic has higher compressive strength than titan alloys. However, as the tensile strengths of ceramics are only a fraction of the compressive strength, common design methods for pressure housings of metals can not be directly applied to ceramic pressure housings. We will propose a new design method to coupling ceramic hemisphere...
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