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This paper presents ANSYS finite-element method analysis of wafer-level Benzocyclobutene cap transfer packaging process utilizing simple and easy detachment of the carrier wafer. The detachment has been implemented through hydrophobic monolayer coating of Si carrier wafer surface before BCB cap patterning. Razor blade insertion between the Si carrier and device wafer is used to separate the BCB cap...
The current techniques for cell cutting always use a diamond knife with an edge angle larger than 20°. The compression caused by the edge angle may destroy the sample. In this paper, a nano knife with a small edge angle 5° was fabricated from a commercial AFM cantilever by FIB etching. The mechanical character of the nano knife was calibrated by theoretical calculation, numerical simulation and nanorobotic...
Recent developments in engineering produced a new technology for information intensive environment. A definite part of the physical world, typically a product and its operating environment is described in a computer system for a virtual space in order to data management during development, analysis, production, marketing, support, and recycling. One of the recent researches by the authors of this...
This paper analyses the effects of Network-on-Chip (NoC) models written in SystemC on simulation speed. Two Register Transfer Level (RTL) models and Approximately Timed (AT) and Loosely Timed (LT) Transaction Level (TL) models are compared against reference RTL VHDL 2D mesh model. Three different mesh sizes are evaluated using a commercial simulator and OSCI SystemC reference kernel. Studied AT model...
The paper has constructed the mathematical model on the storage location assignment in AS/RS, and then optimized and solved it, performed instance simulation design and analysis on the storage location assignment by means of Flexsim. Finally, we have concluded that the storage location assignment model after optimization would solve the storage location assignment problem in AS/RS effectively and...
Abstract-Approval standard of electricity price is currently the focus of discussion in the national wind power industry. How to determine an appropriate electricity tariff to promote the sustainable and healthy development of wind power is the urgent problem that wind power company need to solve. In this paper, a generation cost assessment model for wind power is established, taking the cost accounting...
Asphalt Pavement was damaged more seriously in longitudinal Gradient than common segment because of its special load bearing conditions. This paper advance A simple model of 3D Visco-elasto-plastic Finite Element to analyses the discipline of stress-strain behaviors, using Burgers model to study the distribution of rutting under different longitudinal gradient and frequency of tyre load. The result...
Shot peening is a cold working process which induces compressive residual stresses in near-surface layers and thus improves the fatigue strength of components. Shot peening involves the complex stress histories with stress reversals and cyclic loading conditions. In the study, using combined hardening model, the quasi-static simulations of the shot peening process are carried out with the help of...
This paper presents an analysis of the accuracy of urban railway train's parking together with an elaboration of the system structure and principle of parking control in ATO mode. Through the construction of the model of pneumatic brake unit, the non-linear character of pneumatic brake unit is analyzed, and thereby the strategy of feedback control based on the train's position signal is given. Further...
Three finite element (FE) models were compared for a self-anchored suspension bridge in order to obtain the appropriate analysis model that provides the basis of long term monitoring and safety evaluation for the bridge. The shell element and two types of beam elements based on grillage method are used to simulate the steel box stiffening girder of the bridge. One of the beam elements is the element...
Traditional algorithms of VRP often did not consider the loading rate of vehicle, which will partially effects the fuel consumption of the vehicle. So if considering the fuel consumption, there needs a new algorithm to find the optional route of VRP with lowest fuel consumption. Then the genetic algorithm of the model was designed and solved. The simulation result showed that the algorithm is a good...
The purpose of this paper is to study the entire dimensioning space of a parallel-tuned integrated circuit that was designed and implemented earlier. The main parameters were swept while keeping the remaining component values fixed, and performance contours were derived. The main finding was that the traditional sweeps of resistively damped switching amplifiers match poorly if the resonator Q value...
On-chip power supply noise has become a bottleneck in 3D ICs as scaling of the supply network impedance has not been kept up with increasing device densities and operating currents with each technology node due to limited wire resources. In this paper we proposed an efficient and accurate model to estimate peak-to-peak switching noise, caused by simultaneous switching of logic loads along a vertical...
Wind can be considered as an interesting alternative to fossil fuels, but as a power source, is both intermittent and diffuse. It is necessary to calculate wind equivalent capacities in order to introduce a coherent evaluation of wind production in the management of the centralized production park. Base on the sequential Monte Carlo simulation technique for wind speeds, an auto-regressive and moving...
A single-chip microcomputer-based test device of flash relay is presented in this paper, whose circuit and testing method are also introduced. The test device can not only detect parameters of relays in dynamic process, but also has additional functions such as durability detection, failure indication and so on. Finally, a simulated load circuit aiming at improving the test environment is designed,...
This paper focuses on complete and systematic application of discrete-event simulation in Distribution Center (DC) design procedure. A framework of simulation application in DC design is given on basis of extensive literature review. Six main steps of DC design and specific aspects for each step in which simulation is always helpful are involved in this framework. Four kinds of functions of simulation...
This paper proposes a new design concept of dual-stage actuator model for the hard disk drive (HDD) to overcome the servo bandwidth limitation for the requirement of high track density. This microactuator is an electromagnetic actuator which consists of two micro coils and a hard magnet like a linear motor. Part of the suspension needs to be made by the soft magnetic material so that it can be taken...
This article describes a modeling method of the involute bevel gear, by using a modeling function of a UG software. It is included, the creation of the equational expression of the gear outline involute at the unfurling plane of the bevel gear, the formation of the section drawing of the large diameter area and the groove of the small diameter, the creation of the gear ingot and groove,the modeling...
Undesirable risk of hazardous materials transportation can be mitigated by a good routing. most scholars focus on the routing of hazardous materials transportation, but few papers concern with load-varied. The paper illustrates a routing model for the hazardous materials transportation under load-varied network. We use the Traditional Risk model for path risk assess, present a quadratic modeling methodology...
Design of underground heat exchanger is crucial to application of ground source heat pump system. This paper presents the method and self-developed program for designing vertical U-pipe underground heat exchanger using numerical simulation. The program's accuracy was validated by comparison of outlet temperature between field test and simulation: the biases are not more than 1 centi-degree in most...
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