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The paper presents the optimization modeling and stress-strain analysis of several constructions. The strength and fatigue calculations were made by means of the finite element analysis (FEA) using engineering software ANSYS. Finite-element modeling in ANSYS allows us to find a structural solution that is simpler to manufacture and provides structural durability for a long time without using high...
In this paper, a refined method for ultimate limit state assessment of ship hull girders based on non-linear finite element method is proposed. Commercial finite element analysis codes ANSYS and MSC.MARC are used to established the model and analyze the large elastoplastic deformation respectively. Firstly, the initial deflections and welding residual stresses of steel structures are considered and...
Chassis is one of the key components of tracked test vehicle. The strength and rigidity of chassis must be considered and structure resonance should be avoided during the process of structure design. The stress nephogram and strain nephogram of chassis are obtained, after static analysis in the finite element analysis software ANSYS. The maximum stress is 65.13MPa and the maximum strain is 0.00032mm...
The processes of pipe collapse under external pressure have be calculated and simulated by means of the ANSYS FEA. It introduces the destruction theory of the pipe and some formula by API, and analyses the factors such as geometries, pressure, and its properties, which affect the capability of the resistance to the pipe collapse. The relationship between strain and stress of pipe has been descried...
The leaf spring is the flexible component of dependent suspension, which has advantages of simple structure, convenient maintenance, low cost, and can be used to locate the axle. The traditional multi-leaf spring has various defects. The few-leaf-spring has been one of main development trend of leaf springs because of its excellent characteristics. In this paper, a few-leaf-spring with variable thickness...
This study presents stress analysis of sheave wheel by a finite element analysis model and experimental tests. Simulation of stress field under two kinds of load condition was carried out with ANSYS. The corresponding relationship between stress and load of hoist as well as sheave wheel's phase angle were obtained. Then field experiments of sheave wheel stress under three kinds of conditions, which...
As a main defect, the crack has enormous threat on structure safety, which the great majority is mix-mode in engineering. At present, mix-mode crack analysis mainly depend on the manpower way to rebuilt continuously crack structure one by one to simulate the process of crack growth. And the process of modeling crack structure also is complex. To improve the analysis efficiency and provide fast decision...
The finite element model of steel structure of bag filter is established and the stress distribution and deformation of steel structure under different load cases are analyzed with finite element analysis software ANSYS. The results show that the model of bag filter which is established with ANSYS and the calculate method are rational, and the analysis result is reliable, they are supply theoretical...
Traditional multi-cylinder engine crankshaft stress calculation would generally use simplified continuous beam model, but the accuracy is not high enough. The paper presents a whole dynamic model for analyzing the dynamic behavior of a diesel engine crankshaft by means of three-dimensional FEA. Based on the finite element commercial software ANSYS, an overall three-dimensional model of the four-cylinder...
Based on the analysis of concrete material model, reinforcing steel material model, multi-parameter strength criterion of the ANSYS, finite element models for three-dimensional nonlinear reinforced concrete structures have been constructed and a three-dimensional finite element nonlinear analysis program for reinforced concrete structures has been developed with the ANSYS software. A high strength...
Based on the experimental results of 12 steel fiber reinforced concrete corbels, the numerical simulation by nonlinear finite element method was adopted to analyze their behaviors and to explore the influence of steel fiber volume ratio, the shear span to depth ratio and the strength of concrete on the shear behaviors, crack and deformation of concrete corbels. The results indicate that the shear...
The applications of finite element method (FEM) to the analysis of bridge structures are introduced, and an analysis procedure for complex-shaped bridges based on FEM is proposed. The example bridge is a steel arch bridge with a total span of 201.96 m, which is going to be built in China. In order to study the spatial stress distribution of this bridge, a series of FEM analyses are conducted according...
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