buckling collapse of columns and beam columns

fluid dynamics of packed columns principles of the fluid dynamic design of columns for gasliquid and liquidliquid systems

fluid dynamics of packed columns principles of the fluid dynamic design of columns for gasliquid and liquidliquid systems

... on the description of the fluid dynamics of columns with random and structured packings in the vacuum and normal pressure range of up to approx bar and for specific liquid loads of up to 100 m3 m−2 ... hydraulic behaviour of packed columns for the development of a new method for the standard presentation of the fluid dynamics of columns with any type of packing design The basic principles of the method ... Ma´ kowiak c Fluid Dynamics of Packed Columns Jerzy Ma´ kowiak c Fluid Dynamics of Packed Columns Principles of the Fluid Dynamic Design of Columns for Gas/Liquid and Liquid/Liquid Systems Translated...

Ngày tải lên: 02/04/2014, 14:41

368 840 0
BUCKLING OF COLUMNS

BUCKLING OF COLUMNS

... and B are zero, and obviously the strut is undeflected 426 Buckling of columns and beams Figure 18.2 Modes of buckling of a pin-ended strut If, however, sin kL v = = 0, B is indeterminate, and ... correct bending moment 444 Buckling of columns and beams 18.10 Buckling of a strut with built-in ends In the elastic buckling of struts, we have assumed so far that the ends of the strut are always ... cruciform strut 454 Buckling of columns and beams 18.16 Lateral buckling of a narrow beam We have seen that the axial compression of a slender strut can lead to a condition of neutral equilibrium,...

Ngày tải lên: 08/04/2014, 11:27

34 361 1
Numerical modeling of RC and ECC encased RC columns subjected to close in explosion

Numerical modeling of RC and ECC encased RC columns subjected to close in explosion

... 270 10.3.1 Standalone Cantilever RC Columns 270 10.3.1.1 Elastic Analysis of Standalone Cantilever RC Columns 270 10.3.1.2 Inelastic Analysis of Standalone Cantilever RC Columns 271 ... contours of ground floor columns subjected to 100 kg TNT at stand-off distance R=5m at time (a) t=2.5ms, (b) t=4.25ms and (c) t=6.25ms Figure 5.33 (a) Pressure and (b) Impulse at incident faces of Columns ... ܣܴܥ‬vs ‫ ܣܷܥ and (b) Damage indices of ECC50, HSC50, NSC50 and UC after being subjected to 100kg TNT at various stand-off distances Figure 9.16 Damage indices of 25 and 50 mm thick encased and default...

Ngày tải lên: 11/09/2015, 10:14

353 332 0
Đề tài thạc sỹ về Interactive axial shortening of columns and walls in high rise building

Đề tài thạc sỹ về Interactive axial shortening of columns and walls in high rise building

... 3-3: Sizes of the columns and thicknesses of the core walls 73 Table 3-4: Thicknesses of the shear walls in the outrigger and belt systems 73 Table 4-1: Material properties and other data ... accurately predict linear and non-linear components of differential axial shortening and control performance with design Unacceptable cracking and deflection of floor plates, beams and secondary structural ... distortion and deformation of non structural components and services (Shahdapuri, Mehrkar-Asl & Chandunni, 2010) presented a method used to quantify axial shortenings of mega composite columns and cores...

Ngày tải lên: 25/05/2016, 20:53

157 342 0
Tài liệu Determining the Length of Columns in a SQL Server Table doc

Tài liệu Determining the Length of Columns in a SQL Server Table doc

... of columns in the table and displays the length, precision, and scale for each from the Hashtable Information from the FillSchema( ) method of the DataAdapter is also included The data type and ... precision, and scale of each column in columns named Length, Prec, and Scale The column length returned by the sp_help is in bytes, meaning that Unicode data types (nchar, nvarchar, and ntext) ... to the length of all fields, the precision and scale of columns as appropriate The sp_help system stored procedure takes one optional parameter When this parameter is the name of a table object,...

Ngày tải lên: 24/12/2013, 05:15

4 458 0
Causes of the Collapse of the Icelandic Banks - Responsibility, Mistakes and Negligence pdf

Causes of the Collapse of the Icelandic Banks - Responsibility, Mistakes and Negligence pdf

... Jóhannesson and Ms Pálmadóttir had often invested in conjunction and had cohabited for many years and been husband and wife since 2007 According to the memorandum of the FME from November 2008, Landsbanki ... Current account Balance of trade Balance of services Reference: Central Bank of Iceland Balance of factor income Current transfer 21 CHAPTER – CAUSES OF THE COLLAPSE OF THE ICELANDIC BANKS – RESPONSIBILITY, ... Bank of Iceland 250 M Euros 200 150 100 50 2006 2008 2007 Landsbanki Kaupþing Glitnir Reference: Central Bank of Iceland Figure 55 Total loans of the Central Bank of Iceland Collateral in bonds and...

Ngày tải lên: 22/03/2014, 23:20

160 474 0
Báo cáo toán học: " Existence and uniqueness of nonlinear deflections of an infinite beam resting on a non-uniform nonlinear elastic foundation" pptx

Báo cáo toán học: " Existence and uniqueness of nonlinear deflections of an infinite beam resting on a non-uniform nonlinear elastic foundation" pptx

... procedure of the article, and explains some of the intuitions behind our formulation for the reader Definition of the problem We deal with the question of existence and uniqueness of solutions of nonlinear ... and the uniqueness of the deflection of an infinite beam resting on a both non-uniform and nonlinear elastic foundation by means of Banach fixed point theorem In fact, this restriction on the candidate ... Existence and uniqueness of nonlinear deflections of an infinite beam resting on a nonuniform nonlinear elastic foundation Sung Woo Choi1 and Taek Soo Jang∗2 Department of Mathematics, Duksung...

Ngày tải lên: 20/06/2014, 20:20

38 349 0
Báo cáo hóa học: " Kinetics of Si and Ge nanowires growth through electron beam evaporation" ppt

Báo cáo hóa học: " Kinetics of Si and Ge nanowires growth through electron beam evaporation" ppt

... s -1 in the Page of case of Si and to the value of 1.5 × 1014 cm-2 s-1 in the case of Ge, to obtain the same velocity of growth of the planar films, set at a constant value of 0.05 nm s-1 The ... blue and red columns, respectively, for both Si and Ge In the inset of the figure, a schematic picture of the experiment is depicted A section of the NW is drawn, and the measured volumes (of the ... top of the substrate A cross-sectional SEM images of Si and Ge NWs samples are shown in the top inset of Figure 1a, b, respectively: the Si and Ge layer on top of the Si substrate is visible, and...

Ngày tải lên: 21/06/2014, 05:20

8 344 0
Báo cáo hóa học: " Research Article Eigenvalue Problem and Unbounded Connected Branch of Positive Solutions to a Class of Singular Elastic Beam Equations" docx

Báo cáo hóa học: " Research Article Eigenvalue Problem and Unbounded Connected Branch of Positive Solutions to a Class of Singular Elastic Beam Equations" docx

... structure of positive solutions of nonlinear boundary value problems has also been investigated see 26–28 and references therein Ma and An 26 and Ma and Xu 27 discussed the global structure of positive ... method of lower and upper solutions for a bending of an elastic beam equation,” Journal of Mathematical Analysis and Applications, vol 248, no 1, pp 195–202, 2000 10 D Franco, D O’Regan, and J ... positive solutions of BVP 1.1 for any λ > by using the following Lemma 1.1 Efforts to obtain necessary and sufficient conditions for the existence of positive solutions of BVPs by the lower and upper solution...

Ngày tải lên: 21/06/2014, 05:20

21 287 0
báo cáo hóa học:" Existence and uniqueness of nonlinear deflections of an infinite beam resting on a non-uniform nonlinear elastic foundation" docx

báo cáo hóa học:" Existence and uniqueness of nonlinear deflections of an infinite beam resting on a non-uniform nonlinear elastic foundation" docx

... procedure of the article, and explains some of the intuitions behind our formulation for the reader Definition of the problem We deal with the question of existence and uniqueness of solutions of nonlinear ... and the uniqueness of the deflection of an infinite beam resting on a both non-uniform and nonlinear elastic foundation by means of Banach fixed point theorem In fact, this restriction on the candidate ... Existence and uniqueness of nonlinear deflections of an infinite beam resting on a nonuniform nonlinear elastic foundation Sung Woo Choi1 and Taek Soo Jang∗2 Department of Mathematics, Duksung...

Ngày tải lên: 21/06/2014, 20:20

38 215 0
global imbalances and the collapse of globalised finance

global imbalances and the collapse of globalised finance

... risk? and Globalised Finance and its Collapse – published by Dexia respectively in May 2007 and April 2009 |i ii | GLOBAL IMBALANCES AND THE COLLAPSE OF GLOBALISED FINANCE From a European point of ... with the problem and this can be costly Securitisation offers the bank the possibility of having to finance the loan only provisionally and of relieving itself of all or part of the above risks ... while leaving others to finance them and to carry the risks involved, in the hope of course of making a profit This form of securitisation is notably that of most of the bonds backed by consumer credit...

Ngày tải lên: 05/11/2014, 12:36

192 193 0
The construction and implementation of a dedicated beam line facility for ion beam bioimaging

The construction and implementation of a dedicated beam line facility for ion beam bioimaging

... section of a beam- sample interaction for a helium ion beam, in comparison with interactions for a gallium ion beam and an electron beam of the same beam diameter at 30 keV The interaction volume of ... the history, background and current status of microscopy using protons and helium ions The third part of the thesis, discusses the details of both the hardware and software of the new dedicated ... expert in optics and offered me lots of advice in my projects He is always full of amazing ideas, one of which resulted in this project Besides, his humour and optimistic way of living has made...

Ngày tải lên: 09/09/2015, 10:15

183 280 0
Analytical and numerical thermal buckling analysis investigation of unidirectional and woven reinforcement composite plate structural

Analytical and numerical thermal buckling analysis investigation of unidirectional and woven reinforcement composite plate structural

... solution of critical buckling temperature of orthotropic unidirectional and woven composite plate with different aspect ratio of plate, volume fraction of reinforcement fiber and types of reinforcement ... investigation of thermal buckling investigation included evaluated the mechanical and thermal properties of unidirectional and woven reinforcement fiber, then, evaluated of the thermal buckling of composite ... =number of warp yarns per meter, n2 =number of fill yarns per meter And, E1w , E2w , G12 w , and ν12 w are mechanical properties of woven fabrics in and 2-directions; and E1 , E2 , G12 , and ν12...

Ngày tải lên: 09/09/2015, 10:17

18 317 0
Modeling and simulation of buckling of pristine and defective carbon nanotubes

Modeling and simulation of buckling of pristine and defective carbon nanotubes

... Effect of volume fraction 116 5.5.4 Buckling of embedded CNTs of various diameters 121 5.5.5 Buckling of embedded CNTs of various lengths 125 5.6 Concluding remarks CHAPTER 6: BUCKLING OF DEFECTIVE ... of different configurations of vacancy defects, such as the number of missing atoms and the shape of defects, on the buckling properties of SWNTs and DWNTs are studied The cumulative effect of ... on the buckling of defective freestanding CNTs Here, effects of different defect parameters, such as number of missing atoms, number of dangling bonds, asymmetry of defects and number of vacancy...

Ngày tải lên: 09/09/2015, 18:54

198 495 0
Fabrication of micro  and nano fluidic lab on a chip devices utilizing proton beam writing technique

Fabrication of micro and nano fluidic lab on a chip devices utilizing proton beam writing technique

... cheerful and relaxing by his charm and impressive wide knowledge of literature and of course, Physics I appreciate Chammika for giving witty advice and helping with various software applications, and ... inspection and repairing tools, and verification software 1.6 Ion Beam Lithography Ion Beam Lithography (IBL) utilizes ion beams to expose resists either through a mask by means of a broad beam [40], ... possibility of parallel and multiple analysis [8] If the nano-fabricated geometries are of the order of the size of molecules that the detection samples are composed of, the fluid transportation and molecular...

Ngày tải lên: 12/09/2015, 11:29

234 248 0
Instability and buckling analysis of stretchable silicon system

Instability and buckling analysis of stretchable silicon system

... between and 50 mm and amplitudes between 100 nm and 1.5 mm, depending on the thickness of the silicon and the level of prestrain in the PDMS (Khang, et al., 2006) The periods and amplitudes of the ... affected by wrinkles and the direction of the wrinkles Numerical simulation is used to compute the geometry of the wrinkles in thin film and PDMS structures of realistic shape and size, and compared ... Introduction of buckling of stiff thin film-compliant substrate system The measurement of the amplitude and wavelength (by SEM and ATF) is performed for comparison between analytical and numerical...

Ngày tải lên: 14/09/2015, 08:42

181 238 0
The Duality of Memory and Communication in the Implementation of a Multiprocessor Operating System

The Duality of Memory and Communication in the Implementation of a Multiprocessor Operating System

... as a cache of secondary storage data pages The effect of this kind of caching on the performance of UNIX and its traditional suite of application programs is dramatic Compilation of a small program ... introduction of new hardware architectures and was never able to efficiently support the large body of UNIX software used within the academic community [16] In addition, from the point of view of a system ... network copy-on-reference of process data The interaction of message and memory primitives can also be an important tool in the design and implementation of transaction and database management...

Ngày tải lên: 12/09/2012, 15:05

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