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In combination with the mathematical model and finite element analysis, we carry the research on tower crane structural damage detection method in the load lifting process. The paper takes the laboratory mini tower crane as the study object. First we establish the FEM model of the tower crane under the normal and the damage condition. Then get the dynamic displacement of the normal and the damage...
This paper investigates the iron loss and torque characteristics of inverter-fed spoke type interior permanent magnet synchronous motor (IPMSM) optimized for sinusoidal distributed back-EMF. First of all, an optimal design procedure is introduced to effectively optimize the rotor pole surface to reduce the distortion of back-EMF in the spoke type IPMSM. Then, the finite element method (FEM) results...
Taking the actual situation of the Xi'an Bell Tower as research background, 1) the three-dimensional finite element model of the bell tower-soil interaction was firstly established, based on these, the cyclic excavation process of the subway tunnel was carried out by making use of element birth-death technique and the Macro Document of ANSYS Parametric Design Language (APDL), and then the settlement...
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