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This paper applies the constant vibration stress accelerated degradation tests to study the effects of random vibration on the parameters stability of quartz flexible accelerometer. Two stress levels of the accelerated degradation test (ADT) are conducted where random vibration spectrum is experienced by accelerometers in the transportation. Then two-step analysis method based on the pseudo life is...
For the series of U-channel section, which has similar structure, it is easy to adjust the geometric model of U-channel section by using parametric design method, the efficiency is improved and the time for product design will be shortened greatly. By using the ANSYS Parametric Design Language (APDL), the FEA process including creating FEA model and analysis steps is discussed with the finite element...
Grid division in finite element is very important to carry out simulating analysis, it directly affects the following calculation accuracy for analysis result .In view of this, and this article uses four kinds of different ways of grid division to mesh gear-tooth root spot during the course of finite element analysis of gear meshing. Through drawing up and comparing the von mise tendency chart of...
By analysis, a series of numerical analysis for the characteristics of shaft stress of CFG pile are performed, considering the nonlinearity of various materials in composite foundation, and some laws are got, on which the characteristics of shaft stress in different parts of CFG pile is affected by the thickness of cushion, the modulus of cushion,the modulus of the soil between piles and the length...
In order to study the influence of the geometric figure on the service life of the converter, four different geometric figures of the converters were analyzed by using finite element method in this paper. Refractory material behavior was described by Drucker-Prager plasticity model combined with strain softening material behavior at tension, and most of the material physical parameters changing with...
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