Electric and magnetic field calculations with finite element methods

... 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 th...

Ngày tải lên: 31/03/2014, 22:20

... 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...

Ngày tải lên: 20/06/2014, 01:20

... (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...

Ngày tải lên: 09/08/2014, 04:20

... 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 exi...

Ngày tải lên: 13/11/2014, 09:21

... 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 incr...

Ngày tải lên: 31/10/2015, 10:44

... 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 SYS...

Ngày tải lên: 12/01/2014, 21:45

Ngày tải lên: 23/02/2014, 21:20

Ngày tải lên: 17/03/2014, 12:20

... 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...

Ngày tải lên: 28/05/2015, 15:46

... 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...

Ngày tải lên: 21/05/2016, 22:32

... 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 Genera...

Ngày tải lên: 04/04/2014, 12:38

Ngày tải lên: 29/11/2014, 07:00

... 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  Combi...

Ngày tải lên: 03/12/2014, 23:41