Electric and magnetic field calculations with finite element methods

Electric and Magnetic Fields FACTS pot

Electric and Magnetic Fields FACTS pot
... electric or magnetic field oscillates, or cycles backward and forward every second, and is measured in hertz The earth’s electric and magnetic fields not oscillate They are called static fields and have ... and used The Difference Between Electric and Magnetic Fields Electric fields Electric fields are produced by voltage Voltage is the pressure behind the flow of electricity It can be compared to ... weaken or shield electric fields Electric fields are measured in volts per meter Electric fields Magnetic Fields Produced by voltage Lamp plugged in but turned off Voltage produces an electric field...
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báo cáo hóa học:" Assessment of the primary rotational stability of uncemented hip stems using an analytical model: Comparison with finite element analyses" potx

báo cáo hóa học:
... designs, the resistance against axial rotation was assessed using FEM on the one hand and the analytical model on the other With respect to the FE models, the analytical model predicts a very stiff stability ... loads The run time of an FE analysis ranged from 45 minutes up to 60 minutes The run times of the MATLAB implementation of the analytical model were less than 10 seconds Results The progress of the ... assumptions of the analytical model as good as possible The stems were chosen in such a way that they span a wide range of antirotation values, based on the analytical model STL-files of the stem...
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Báo cáo lâm nghiệp: " production in an irrigation and tilization field experiment with Eucalyptus globulus Aboveground biomas" pdf

Báo cáo lâm nghiệp:
... (C), whereas, in IL and I, the aboveground biomass was 262 and 185% greater than in C That was a period when water stress occurred in the rainfed plots (F and C) During the following rainy season ... changed with treatments as = (Table II) Leaves represented a greater percentage of total biomass in the rainfed (F and C) than in IL and I The accumulation of stem biomass was greater in IL andI ... alone or with fertilization resulted in larger plants with a greater percentage of stem in relation to total and foliage biomass than in the rainfed plots It is likely that, in the absence of irrigation, ...
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investigation into compatibility between repair material and substrate concrete using experimental and finite element methods

investigation into compatibility between repair material and substrate concrete using experimental and finite element methods
... the compatibility between repair material and substrate concrete Analysis of Compatibility between Repair Materials and Substrate Concrete Experimental Finite Element Method method Repair Substrate ... compatibility between repair material and substrate concrete The compatibility between repair material and substrate concrete exists when the composite section of repair material and substrate concrete ... strength using experimental and finite element methods Investigation into compatibility between repair materials and substrate concrete using a composite beam under third point loading Correlate compatibility...
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TRANSPORT PROPERTIES OF a QUASI TWO DIMENSIONAL ELECTRON GAS IN a sisige HETEROSTRUCTURE TEMPERATURE AND MAGNETIC FIELD EFFECTS

TRANSPORT PROPERTIES OF a QUASI TWO DIMENSIONAL ELECTRON GAS IN a sisige HETEROSTRUCTURE TEMPERATURE AND MAGNETIC FIELD EFFECTS
... field leading to reduced screening in a spin-polarized electron gas We have also obtained similar results for RIS with zi = 490˚ A and Nid = 3.2 × 1013 cm−2 and IRS with Λ = 100˚ A, ˚ ∆ = 3. 5A IV ... values of zi and Nid = 3.2 × 1013 cm−2 and interface impurity scattering (IIS) with zi = and Ni0 = × 109 cm−2 The results shown in Fig indicate that the mobility increases and the critical electron ... electron density NM IT decreases with increase in the distance of the impurity layer from the Si/SiGe interface TRANSPORT PROPERTIES OF A Q2D ELECTRON GAS IN A Si/SiGe HETEROSTRUCTURE 89 zi /V...
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03 analysis of mechanical systems using interval computations applied to finite element methods o dessombz

03  analysis of mechanical systems using interval computations applied to finite element methods o  dessombz
... perturbation method, the Neumann expansion series, or a projection on homogeneous chaos But all of these methods consider stochastic variables for which the density of probability is known (Gaussian ... the Interval Computations Applied to FEM amount of computations on simple discrete systems, as well as the accuracy of the solutions RESOLUTION OF INTERVAL LINEAR SYSTEMS The interval arithmetic ... demonstration is reminded in appendix The inclusion method of Rump ([9]) relies on the fixed point theorem, and had to be adapted to avoid the problems of overestimation due to the loss of dependence...
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Phát triển phương pháp phần tử hữu hạn đẳng hình học (Development of isogeometric finite element methods) NCS. Thái Hoàng Chiến

Phát triển phương pháp phần tử hữu hạn đẳng hình học (Development of isogeometric finite element methods)  NCS. Thái Hoàng Chiến
... Gần đây, Hughes và cộng sự đã đề xuất phương pháp giải tích đẳng hình học (hay phương pháp phần tử hữu hạn đẳng hình học) . Ý tưởng thú vị của  phương pháp số hiện đại này là hợp nhất giữa mô hình hình học và xấp xỉ  ... nghiệm bài toán thông qua hàm cơ sở NURBS. Giải tích đẳng hình học không  đòi hỏi bất kỳ chương trình tạo lưới như trong phương pháp phần tử hữu hạn truyền thống. Giải tích đẳng hình học cho phép: 1) duy trì hình học chính xác  ... được áp dụng trực tiếp mà không dùng bất kỳ một kỹ thuật nào khác  (phương pháp phạt, phương pháp “Lagrange”…).  Đây chính là điểm  mới và chỉ áp  dụng được trong phương pháp đẳng hình học.   8.2 Hướng phát triển Phương pháp hiện tại thể hiện rất hiệu quả cho phân tích kết cấu tấm thông ...
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Development of isogeometric finite element methods

Development of isogeometric finite element methods
... UNIVERSITY OF SCIENCE THAI HOANG CHIEN DEVELOPMENT OF ISOGEOMETRIC FINITE ELEMENT METHODS Major: Solid Mechanics Codes: 62 44 21 01 Referee 1: Assoc Prof Dr Nguyen Hoai Son Referee 2: Assoc Prof Dr ... Thang SCIENTIFIC SUPERVISORS Assoc Prof Dr Nguyen Xuan Hung Professor Dr Timon Rabczuk Ho Chi Minh City - 2015 DEVELOPMENT OF ISOGEOMETRIC FINITE ELEMENT METHODS Ph.D Thesis Presented at Vietnam ... Isogeometric analysis is of at least C1 continuity and thus attractive for plates The aim of this thesis is focussing on the development of isogeometric finite element methods for the elasticity...
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IEC TR 62095 electric cables calculations for current ratings finite element method

IEC TR 62095 electric cables   calculations for current ratings   finite element method
... 303-397-2295 TR 62095 IEC: 2003 –7– INTERNATIONAL ELECTROTECHNICAL COMMISSION ELECTRIC CABLES CALCULATIONS FOR CURRENT RATINGS FINITE ELEMENT METHOD FOREWORD 1) The IEC (International Electrotechnical ... 303-397-2295 TR 62095 IEC: 2003 –9– ELECTRIC CABLES CALCULATIONS FOR CURRENT RATINGS FINITE ELEMENT METHOD 1.1 Introduction General The most important tasks in cable current rating calculations ... éléments finis `,``,`,`,,,,,,,```,,,,,,```,,-`-`,,`,,`,`,,` - Electric cables Calculations for current ratings Finite element method IEC 2003 Droits de reproduction réservés  Copyright - all...
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1 acoustic modelling of exhaust devices with nonconforming finite element meshes and transfer matrices

1 acoustic modelling of exhaust devices with nonconforming finite element meshes and transfer matrices
... Relative error (C) 10 (c) 0 .1 0. 01 0.0 01 10 10 Number of nodes 1 10 10 0 10 0 10 Number of nodes 10 (d) 0 .1 0. 01 0.0 01 10 10 10 0 10 10 Number of nodes Fig Relative error of the finite element solutions ... manipulation of Eq (4), @P2 jxq2 jxq2 T 11 P1 À P2 ¼ jxP 21 P1 À jxP22 P2 : ¼ @n T 12 T 12 NT N1 dC; Ne Z 1 X NT N1 dX; M1 ¼ c1 e 1 Xe 1  Combining Eqs (5) and (6) rT N1 rN1 dX; e 1  1 @P1 ¼ T 21 P2 ... 21 @Pi dC; @n T 12 T 22 i ¼ 1; 2; C1 ¼ P 11  P2 U2  :  1 @P2 ; jxq2 @n Ne 1c XZ Ce 1c ð3Þ  1 @P2 : jxq2 @n Ne 1c XZ Ce 1c F1 ¼ Ne 1bc XZ Ce 1bc e 1 NT NT N2 dC; @P1 dC; @n 10 Þ 11 Þ 12 Þ...
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