numerical modelling and applications in civil engineering

... crucial for obtaining a better understanding of the electrospinning process In order for electrospun fibers to be successfully used in commercial applications, the processing parameters and solution ... process and the resulting fibers A fundamental understanding of how to control the formation, shape, texture, and morphology of these fibers is essential Determining the link between electrospinning ... fibers However, in the case of electrospinning PVA, other forces such as inter- and intra-chain bonding between the polar hydroxyl groups in the PVA molecules also affect chain entanglement This...

Ngày tải lên: 02/10/2024, 02:12

... 43.1 The building industry During the 1970s two sophisticated and prestigious GFRP buildings were developed and erected in the Applications of FRP composites in civil engineering Trang 2UK, ... discussed briefly in this chapter: • Building industry: • infill panels and new building structures • Civil engineering industry: • civil engineering structures, fabricated en­ tirely from advanced ... building industry and the past 25 years for the civil engineering industry, can be conveniently divided into some specific areas, which will be discussed briefly in this chapter: • Building industry:...

Ngày tải lên: 05/04/2018, 15:53

... 6IPA: concepts and applications in engineering – (Decision engineering)1 Engineering design – Data processing 2 Decision support systems ISBN 1-85233-741-9 (alk paper) 1 Engineering design 2 Expert ... Reading 167 Index 169 Trang 11Engineering 1.1 The Role of Knowledge in Design This book is concerned with mechanical engineering Most of the considerations,comments and examples presented in ... system supporting machinedesign called the intelligent personal assistant 1.3 Examples Explaining the Sense of Knowledge in Engineering Design In the above sections we started using the term knowledge...

Ngày tải lên: 07/09/2020, 11:21

... number of other DIN standards covering graphical symbols,such as DIN 1946, DIN 2429, DIN2481, DIN 19239 and DIN 30600 (mainstandard containing approximately 3500 graphical symbols).in-It is recommended ... thisdocument includes international standards and publications relating to DINstandards, or being derived from them defini-Representations and text sections referring to DIN are often cited in shortform, ... please do not hesitate to contact us: Trang 3Terminology and Symbols inControl Engineering Introduction 5 Terminology in Control Engineering 6 Open loop control 6 Closed loop control...

Ngày tải lên: 29/03/2014, 21:55

... McGraw-Hill Engineering, Fifth Edition by equivalent stator winding inductance and resistance, Ls and Rg, respectively, and by the induced emf E, From the exact equivalent circuit as given in Figure ... including the synchronous motor and generator and the induction machine AC machines require an alternating-current supply The two principal classes of AC machines are the synchronous and induction ... 120 r/min and J, = 8 A In the operating region, 6 = kÏ; and k = 200 The armature resistance is 0.2 Q, and the resistance of the field winding is negligible a Find the number of field winding turns...

Ngày tải lên: 08/04/2014, 23:03

... computed by setting all In a linear circuit containing N sources, each branch voltage and current is the ( LO3 but one source equal to zero and solving the circuit containing that single source ... the Thévenin equivalent voltage vr for an arbitrary linear resistive circuit containing independent voltage and current sources and linear resistors The Thévenin equivalent voltage is defined as ... expressing each voltage in terms Trang 7 Rizzoni: Principles and I Circuits 3 Resistive Network © The McGraw-Hill | © Engineering, Fifth Edition With some rearrangements, we obtain the following...

Ngày tải lên: 08/04/2014, 23:05

... the charging and discharging behavior of these devices, taking into consideration their internal resistance Trang 13154 Rizzoni: Principles and Applications of Electrical Engineering, Fifth ... ƒ p Kinetic energy storage Wy = 5Li 2 Wr = j1 741 ( LO1 Trang 22Inductances in series add Inductances in parallel combine like resistors in parallel Figure 4.12 Combining inductors in a ... circuit shown in Figure P3.59 is used in a number of practical applications One traditional use is in determining the value of an expression for vp in terms of v; and v2 using Thévenin’s or Norton’s...

Ngày tải lên: 08/04/2014, 23:06

... as was shown for the inverting amplifier, the inverting terminal voltage is given by Vout AV(oL) Clearly, as Ayo.) approaches infinity, the inverting-terminal voltage is going to be very small ... UNDERSTANDING Consider an op-amp connected in the inverting configuration with a nominal closed-loop gain —Rg/Rs = —1,000 (this would be the gain if the op-amp had infinite open-loop gain) Derive ... sources and impedances across ideal transformers Understand maximum power transfer Transformers find many applications in electrical engineering One of the most common is in power transmission and...

Ngày tải lên: 08/04/2014, 23:09

... using matrices and vectors in a logical programming environment This guide is a brief introduction to MATLAB in chemical engineering, and in no way attempts to be a comprehensive MATLAB learning ... created defining the function, or the definition can be specified in the command window This is done in a similar fashion as seen in ‘fplot’ The following code entered into the command window yields ... following code can be entered directly into the command window, or into an m-file: 1 James A Carnell, August 2003 (One can define the function sin(x) in an m-file and replace the fplot command...

Ngày tải lên: 24/04/2014, 20:45

... ofTechnology, Poland His research inter-ests are in image analysis, stereologyand materials engineering He is affili-ated with the Polish Society for Materi-als Engineering, the International Soci-ety ... Microstructure and Texture in Polycrystalline Materials Vladimir Novikov Corrosion Science and Technology D E J Talbot and J D R Talbot Image Analysis: Applications in Materials Engineering Leszek ... 2.11 Initial gray-scale image (a) and corresponding binary images ofpores (b), bonding phase (c) and powder phase (d) In practical applications it is usually advisable to use interactivebinarization...

Ngày tải lên: 05/06/2014, 11:49

... Printed in Croatia A free online edition of this book is available at www.intechopen.com Additional hard copies can be obtained from orders@intechweb.org Sustainable Growth and Applications in ... projection period and the dirtiest fuel, i.e coal, is expanding its share to face the raising in energy consumption mainly driven by developing countries, such as China and India Actually, non-OECD ... the main drivers in the increase of energy demand as a result of their economic and population growth Trang 15EU Energy Policies and Sustainable Growth 5 Fig 1 Gross Inland Consumption in 2007...

Ngày tải lên: 19/06/2014, 08:20

... pioneering instrument prior to the 20-20-20 Climate and Energy Package It is a market instrument that has been already implanted in the US quite successfully, and it has been introduced in Europe in ... support schemes as the quota obligation system and in tariff Concerning wind energy, in 2002 the Italian government abandoned the feed-in-tariff, introducing the quota obligation system with tradable ... (Fouquet and Johannson, 2008) A particular kind of feed-in tariff model used in Spain consist in a fixed premium, in addition to the market price for electricity, given to the producers relying on...

Ngày tải lên: 19/06/2014, 08:20

... community and society as a whole The phenomenon in principle is nothing new and appears already in ancient myth and religions, since it concerns the basis of life, i.e the usage of resources in general ... continuously regenerating and realizing its networks of existence, and ii) the constitution of the system as a unity in space in which the component exist by specifying the topological domain ... “irrational”) interests Thus, the integration challenge involves the individual of the different institutionalized society stakeholders in a very deep way since these individuals shape the individual...

Ngày tải lên: 19/06/2014, 08:20

... create self-healing polymer composites, tubular system is a more approachable method for applications in civil engineering area In civil engineering applications using mortar and concrete, because ... SELF-HEALING MATERIALS: NUMERICAL MODELLING AND APPLICATIONS IN CIVIL ENGINEERING TRAN DIEP PHUOC THAO (B.Eng Civil (Hons)) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CIVIL ... Bio-inspired self-healing materials with tubular systems The idea of using tubular system for self-healing material was first come in 1992 when researchers in civil engineering were trying to find...

Ngày tải lên: 09/09/2015, 18:54

... Advances in Process Systems Engineering – Vol STOCHASTIC GLOBAL OPTIMIZATION Techniques and Applications in Chemical Engineering 7669 tp.indd 4/22/10 10:35:38 AM Advances in Process Systems Engineering ... Optimization: Techniques and Applications in Chemical Engineering, World Scientific, Singapore Ravindran, A., Ragsdell, K.M and Reklaitis, G.V (2006) Engineering Optimization: Methods and Applications, Second ... achieving sustainable processes and manufacturing In view of its importance and usefulness, optimization has attracted the interest of chemical engineers and researchers in both industry and academia,...

Ngày tải lên: 01/04/2014, 11:36

... quantified in order to avoid large stretching and/ or distorting of the grid For instance, a doubling in the linear spacing will result in an eightfold increase in volume, leading to large changes in ... of Cincinnati, Department of Aerospace Engineering and Engineering Mechanics of the College of Engineering, Master of Science Thesis, March 2007 Liu, N S & Shih, T H., (2006) Turbulence Modeling ... methods and data used to determine design and operating limits shall be validated and uncertainties shall be evaluated and analyzed This applies to all kinds of deterministic analyses but, in the...

Ngày tải lên: 29/06/2014, 14:20

... the distributions of sampling points in the measuring plan of the pump, where point is in the impeller passage and point in the outlet area Fig (b) shows measuring uncertainty at design flow rate ... Hernan Tinoco, Hans Lindqvist and Wiktor Frid Part Transport of Sediments and Contaminants 263 Chapter 13 Numerical Simulation of Contaminants Transport in Confined Medium 265 Mohamed Jomaa Safi and ... the fluid, in order to In most of the processes ocurring in chemical engineering, fluids are generally compossed of different components and their concentrations might vary temporarily and spatially...

Ngày tải lên: 29/06/2014, 14:20

... proteins and new tissue formation Hence, the properties of the scaffolding materials are crucial in determining the success of many tissue engineering applications The general tissue engineering ... Chapter 1: Introduction   Chapter 1: Introduction The design of biomaterials is important in the field of tissue engineering and regenerative medicine Since the development of tissue engineering scaffolds, ... nuclei in all panels were stained with DAPI and shown in blue 115  Figure 6.14: Immunostaining of Troponin I (green) and F-actin (red) in C2C12 cells cultured in ES PPyrPEC fibers (A) and...

Ngày tải lên: 11/09/2015, 09:10

... developments and applications of global optimization can be found in engineering discipline including chemical engineering The reason is that mathematical programming is an active and vibrant research in ... Solving NLPs and MINLPs 147 5.1 Introduction 148 5.2 Description of DETL 152 5.3 Handling Integer and Binary Variables 155 5.4 Handling Constraint and Boundary Violations 156 5.5 Implementation and ... non-linear programming problems (NLPs) having constraints and different degrees of complexity, and several mixed-integer non-linear programming problems (MINLPs) which involve process design and...

Ngày tải lên: 13/09/2015, 21:39

... so-called singular integrals in the BIE formulations In these singular integrals, the integrands have singular points at which the integrands tend to infinity Although we can show in later chapters ... CPV integral), (2.24) S in which γ = for finite domain and γ = for infinite domain problems Substituting the preceding expression for c(x) in CBIE (2.17), we obtain the following weakly singular ... Mechanical Engineering at the University of Cincinnati since 1996 Dr Liu is currently on the editorial board of the international journals Engineering Analysis with Boundary Elements and the Electronic...

Ngày tải lên: 17/02/2016, 14:42