This paper reports on the finite element analysis (FEA) of crosstalk in capacitive micromachined ultrasonic transducer (CMUT) arrays. Finite element calculations using a commercial package (LS-DYNA) were performed for an immersed 1-D CMUT array operating in the conventional and collapsed modes. LS-DYNA was used to model the crosstalk in CMUT arrays under specific voltage bias and excitation con...

This paper deals with modelling of the orthogonal machining process using tools with different geometries. The finite element method (FEM) is used for a simulation based on the Lagrangian formulation including ANSYS/LS-DYNA software. The constitutive Johnson – Cook material model regarding strain, strain rate and temperature to predict material plasticity and chip separation is used. Chip morph...

To solve the problems of low net harvesting rate, high loss and uneven stubble height during harvest laver, laver (Porphyra yezoensis) was selected as research object, analysis cultivation mode, biomechanical characteristics, trajectory force were carried out. A sectional hob type device designed. rigid-flexible coupling model related to interaction between cutting mechanism constructed based o...

Short-fiber-reinforced composites (SFRC) are high-performance engineering materials for lightweight structural applications in the automotive and electronics industries. Typically, SFRC structures manufactured by injection molding, which induces heterogeneous microstructures, resulting nonlinear anisotropic behaviors challenging to predict conventional micromechanical analyses. In this work, we...