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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...
This paper presents our study on the structure of a hexapod platform used as a coplanar mount for a radio interferometer array. We have surveyed the hexapod platform using the photogrammetry method to measure its upper surface deformation under various pointing positions of the hexapod. We have also measured the strain distribution at the high strain areas of the platform structure. The results provide...
Three-dimensional elastic contact model of the automobile gasoline economizer of the one-way gear devices is analyzed on the base of FEM. The work condition is calculated, and the stable stress distribution, strain distribution and the deformation of the outer ratchet, inside core and pawl are obtained. With the FEA analysis results, the intensity reliability of each part is checked based on maximum...
The deformation of a TVM's body frame was calculated and the structural FEA (Finite Element Analysis) was accomplished in this paper. The geometric model and finite element model of TVM (Ticket Vending Machine) were built. To locate the maximum stress and displacement precisely, structural analysis of the TVM's body frame under its gravity was analyzed by FEA software. The results indicate that the...
Skeletal deformity is an important characteristic of osteogenesis imperfecta (OI). To study the influence of deformity in stress/strain distribution, a finite element analysis (TEA) of the femur during physiological loading was developed. The diaphysis was altered mathematically to reflect different clinical deformities of OI. Joint reaction and muscle forces were adapted from the literature to reproduce...
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