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There are many optimization algorithms, which can be used to find the extremum of a function. However, in optimizing the function, which is obtained from the numerical calculations, it is necessary to apply the proper global optimization algorithm. It is caused by the high nonlinearity of the numerical function's response. The nonlinear function with not known analytical form may have many local extrema...
This paper deals with the problem of accurate evaluation of global quantities related to the electrostatic fields in micro-electro-mechanical systems (MEMS). In particular, the capacitance and the electrostatic force play often an important role in the design of micro-machines. In spite of the fact that some simplified formulas have been proposed so far, in many cases it is necessary to improve the...
Multi-physics multi-scale modeling issues in various stages of the LED manufacturing, 3D-SiP, and nano interconnects have been discussed. Molecular dynamics (MD) and finite element method (FEM) have been used to study the scale effect of the material properties and the prediction of the module behaviors which are critical to LED fabrication. We propose a new concept to integrate multi-physics/multi-scale...
The transient process of filling the mold cavity in microelectronics packaging has been simulated applying the finite element method (FEM). The results have been compared to those of so-called dasiashort shotpsila experiments, in which the molding process is interrupted at predefined points in time. After determining the quantitative discrepancies between the simulation and the experimental results,...
New design for an electro-thermally actuated SU-8 polymeric microgrippers is presented, simulated and analyzed. The electro-thermally driven microgrippers were studied using computer simulations (the Finite Element Method using CoventorWare software tool). Numerical simulations - coupled electro-thermo-mechanical simulations - were performed. We investigated the influence of the temperatures achieved...
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