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Research on flow diverter (FD) has progressed over the past decades; however, the relationships between parameters such as stent diameter, porosity, and number of wires and the properties of FDs, such as partial compressive force and push resistance, are not well understood. In this study, the partial compressive force and push resistance of braided FDs with varying porosity (61%–75%), diameter (2...
In this letter, a novel low profile tri-band frequency selective surface (FSS) with miniaturized periodic element based on complementary structure is presented. The proposed FSS element consists of two split square loops connected with a convoluted cross dipoles in the center, and its complementary pattern etched at the bottom of the substrate. The proposed FSS provides tri-band performance. In this...
A method of controlling mold temperature control (MTC) solidification process by cooling threshold was presented based on finite element method (FEM) simulation and experiments research. The outcome provides a basis for selecting MTC parameters. The 3D transient heat transfer analysis was done in various conditions which include the cooling threshold of 500, 20, 400, 440, and 300degC respectively...
A finite element method involving Johnson-Cook material model and fracture criterion was used to simulate the serrated chip morphology during high speed machining AISI 4340 hardened steel in different rake angles using commercial FE software ABAQUS. The effects of rake angle and chip morphology on cutting force were discussed. The investigation indicates that the simulation results are consistent...
Metal powder compaction is a quite important process in powder metallurgy (PM) industry and it is widely applied in the manufacturing of key components in different fields. The numerical simulation based on the finite element method (FEM) provides a flexible and efficient approach for the researches of this process and its complicated mechanical behaviors. Numerical simulation plays an important role...
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