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The electrical performance and reliability of a through-silicon via is investigated through two-dimensional and three-dimensional simulations. Due to the large differences in material thicknesses present in the structures, a 3D simulation is often not feasible. The thermo-mechanical stress, the electrical parameters including TSV resistance and capacitance, as well as the electromigration-induced...
Modern material handling systems (MHS) are complex systems which are controlled by various control units on different automation levels. The design of the MHS facility layout and the development of the control units require the application of different CAE tools but simulation and virtual commissioning does currently not play a significant role because there is no integrated simulation-based verification...
This work describes the research activity in the Terafly project which aims at the development of an automated architecture for the inspection and measurement of industrial components. The project addresses flaw detection and analysis of para-aramid synthetic fiber components by means of Terahertz 3D tomographies and CAD models. This paper describes the stages of the system, from the model-to-object...
Based on the problems appeared in some infantry fighting vehicle's actual training, this paper combines the advantages of virtual maintenance, proceeds from aspect of system engineering, takes demand of actual training into account, uses Solidworks, 3ds max and EON synthetically, chooses the form of desktop, set up a virtual maintenance training system of the equipment.
The increment of vehicle in UiTM main campus had contributed to parking problem because of limited parking space. Hence, rotary parking system could be one of alternative solution. Since it is a big system, this research focuses only on the platform (where cars will be parked on top of it) upper pallet structure. Initial design process stage [1] (conceptual, embodiement and detail design) had been...
Mechanics analysis model of laminated solid armature is established by finite element in this article. The orthogonal method is applied in simulation experiment of laminated armature. The contact pressure between armature and rail is studied based on parameters of armature's thickness, material, layers, and length of the tail. Using range analysis method, contained by orthogonal analysis, the order...
This paper presents the results of a numerical analysis on the electrical interconnect options of a Power QFN (PQFN) package, to explore and compare the RDS(ON) performance at DC condition. The modeling involves the PQFN 5mm × 6mm package which initially uses Aluminum wire bonds for interconnection. Competition in the market in terms of better electrical performance packages challenge semiconductor...
Alternative method to reduce dependency on instructors in teaching and learning traditional crafts will be greatly benefited from electronic learning practices. In order to make sure the courseware for teaching and learning traditional craft is applicable, effective and support teaching and learning pedagogy, a model for courseware development of teaching and learning traditional craft was developed...
In this paper, a synthesis of design methodologies for electromagnetic devices made with soft magnetic composite (SMC) material is presented. To realize efficient and low-cost SMC devices, it is necessary to benefit from interesting isotropic SMC material properties such as 3-D flux circulation path. In this case, the best approach is to carry out a topological structure research and perform a global...
This paper presents a computer-aided design (CAD) tool for the design of isolated dc-dc converters. This tool, developed in Matlab environment, is based on multiobjective optimization (MO) using Genetic Algorithms (GAs). The Elitist Nondominated Sorting Genetic Algorithm (NSGA-II) is used to perform search and optimization whereas analytical models are used to model the power converters. The design...
In order to solve the control system designing problem in a complex hardware-in-the-loop simulation, on the basis of analyzing the IDEF model, a new method of the control system analysis was presented. By putting into several levels of control structure, a control system model for the production process can be constituted by using IDEF0*. The method provides analysis of the relationship between control...
Computer simulation is becoming more and more complex to obtain accurate result, which is an obstacle for real-time application such as virtual reality. A method of the Finite Element Analysis (FEA) is proposed to simulate the result of penetration in realtime visual analysis. The FEA software could numerically simulate the process of fragment penetrating target, and analysis the result in visual...
Implant-abutment connection plays an important role in the long-term success of dental implant. It should be able to resist bacterial leakage. Colonization of bacterial in microgaps along implant-abutment interfaces will lead to inflammatory reaction. One of the factor which have been identified to produce microgaps is micromotion. This study was conducted to analyse micromotion and stress distribution...
DEFORM-3D software is a powerful simulation tool that uses the Finite Element Method to analyze the three dimensional complex forging process, It provides a virtual testing environment in which engineers can study the influence of geometric parameters, process parameters and other factors on forging process performance. This paper aims at the forging process of automotive starter motor ring gear,...
The project “Virtual Museum of Design” explored the possible fruition modalities of a product having a high cultural content starting, on the one hand, from the analysis of the Design Museum concept, and the way this is interpreted in the different international experiences, and, on the other hand, of the Virtual Museum concept, leading to implementations very different from each others. This study...
The green construction is of great significance to promoting the sustainable development strategy of construction industry. The thesis discusses and describes connotation of green construction. According to the contents and concept of green construction technology system, green construction be defined. The environmental loads of green construction can be studied from two aspects of the construction...
In order to protect Chinese ancient buildings, an ancient wooden building is taken as an example to study its progressive collapse under vertical transient loads. By LS-DYNA program simulation model of the ancient building is built. Then a structure member is considered inactive and failure loads in vertical direction are applied to the inactivation point to make the structure collapse. During the...
In this work we present a procedure for the construction of 3D networked epoxy moulding compounds and an estimation of basic thermodynamic properties by molecular dynamics simulations. Our investigations present part of general trend to extend failure analysis, reliability assessment and the development of packaging materials from the conventional discrete usage of simulation techniques to a more...
In view of CFRD widely prospects for development, this paper taking Shuibuya concrete face rockfill dam of simplified model as an engineering example,to simulate the process of dam filling, the use of ANSYS in the most widely used APDL (Parmetric Design Language) language programming, the Duncan E-B model willing achieved in the form of user materials,and using the midpoint of an incremental method...
Element method model construction, a new approach for product modeling, is to positively impact on the front-end modeling methods for product design through boundary-lines of design deriving from progressive constraints on different parameter conditions.
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