damage tolerance in composite structures
Impact performance of cement composite filled pipe in pipe structures
... energy for a single generator Eint Rate of the internal work Fe Force in the elastic stage defined in Eq (2.5) Fm Force in the membrane stretching stage defined in Eq (2.7) Fp Force in the plastic ... pipe -in- pipe composite structures have recently emerged as a popular solution to enhance the structural resistance against external loadings Engineering applications of such composite structures in ... pipelines against impact loadings has become an important concern in engineering as external impact loadings are a primary threat and a frequent cause of damage in onshore and offshore pipelines...
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Damage progression in open hole tension composite laminates by the element failure method
... 1: Introduction and Literature Review delamination in composite laminates In the mesomodel, a laminate is modeled as a stack of homogeneous elastic layers and interlaminar interfaces The interface ... load-carrying capacity and reflect the general damage state Hence, there should be savings in computational efforts since each change in damage state is achieved by modifying modal forces of damaged ... modeling progressive damage in composite structures, International Journal of Damage Mechanics (accepted) Tay, T.E., Tan, V.B.C and Liu, G (2006), A new integrated micro-macro approach to damage...
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Tài liệu Phytohormones and Abiotic Stress Tolerance in Plants ppt
... receiver domain and a long C-terminal part containing a single-repeat MYB-type DNAbinding domain (Sakai et al 1998) called a GARP domain (Riechmann et al 2000) and the proline- and glutamine-rich ... cytokinins (zeatin and zeatin riboside) are decreased in the xylem in response to drought stress Surprisingly, in the same study, it was found that the level of the aromatic cytokinin 6-benzylaminopurine ... Yoshida et al 2002) were determined as positive regulators in ABA signaling Gene encoding ABA-induced protein kinase (PKABA1), which is a serine– threonine type protein kinase, was isolated from wheat...
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Tài liệu Báo cáo khoa học: A DExD⁄ H box RNA helicase is important for K+ deprivation responses and tolerance in Arabidopsis thaliana docx
... seedlings on normal Murashige and Skoog (MS) plates and in a medium containing 100 lM K+ (LK) The steady-state flux profile of K+ was examined by continuous flux recording (5–10 min) Each point indicates ... progress in determining the molecular mechanism of the regulation of K+ uptake in plants has been made [10,11,40] AKT1 was first reported to be expressed in roots and involved directly in the mineral ... K+-induced in ux in helps mutants was greater than that of wild-type and OE6 seedlings when they were exposed to K+ deprivation (Fig 6), suggesting that AtHELPS might be involved in regulating...
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Noel kalicharan advanced topics in c core concepts in data structures
... //end insertInPlace 11 Chapter ■ Sorting, Searching, and Merging Using insertInPlace, we can rewrite insertionSort (calling it insertionSort2) as follows: void insertionSort2(int list[], int ... using the generic parameter, list: void selectionSort(int list[], int lo, int hi) { //sort list[lo] to list[hi] in ascending order int getSmallest(int[], int, int); void swap(int[], int, int); ... lo, int hi) { //sort list[lo] to list[hi] in ascending order void insertInPlace(int, int [], int, int); for (int h = lo + 1; h
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Báo cáo khoa học: Overexpression of putative topoisomerase 6 genes from rice confers stress tolerance in transgenic Arabidopsis plants ppt
... with SPO11, a protein involved in inducing double-strand breaks to initiate meiotic recombination in eukaryotes [8,9] Their existence has also been shown in plants [10–14] In contrast with other ... The amino-acid sequence analysis of rice TOP6 proteins also predicted several potential putative phosphorylation sites for casein kinase II, protein kinase C, tyrosine kinase, histidine kinase, ... GAL4 DNA-binding domain, respectively The interaction of BD-53 (fusion of p53 with GAL4 DNA-binding domain) with AD-T (fusion of antigen T with activation domain) and AD-Lam (fusion of lamin C with...
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advanced topics in java core concepts in data structures
... merge(int[] A, int m, int[] B, int n, int[] C) { int i = 0; //i points to the first (smallest) number in A int j = 0; //j points to the first (smallest) number in B int k = -1; //k will be incremented ... newItem; } //end insertInPlace Using insertInPlace, we can rewrite insertionSort (calling it insertionSort2) as follows: public static void insertionSort2(int list[], int lo, int hi) { //sort ... main(String[] args) { Scanner in = new Scanner(System .in) ; int[] num = new int[MaxNumbers]; System.out.printf("Type up to %d numbers followed by 0\n", MaxNumbers); int n = 0; int v = in. nextInt();...
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System Support for Software Fault Tolerance in Highly Available Database Management Systems
... in main memory instead of residing primarily on disk (e.g [20]) Years ago, main memory capacity was the factor limiting the appeal of main memory DBMSs In high-end systems today, however, main ... errors Error checking is not usually done systematically The checking code has to be maintained as the software it checks is maintained Implementing and testing error checkers increases development ... comparing results and voting to resolve conflicts In theory, the independent programs will fail independently In practice, multiple version failures are caused by errors in common tools, errors in...
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Báo cáo hóa học: "Photochemically reduced polyoxometalate assisted generation of silver and gold nanoparticles in composite films: a single step route" pptx
... blue color has changed into golden yellow within a few minutes time indicating the formation of silver nanoparticles in the composite film (inset c in Fig 2) The reduced composite film exhibited ... reduced composite at various time intervals The intensity of 750 band increased with an increase in the time of irradiation indicating that more silicotunsgstic acid is getting reduced Up to 60 min, ... nanoparticles in composite film at different dipping time intervals, AgNO3 20 mM, (a) min, (b) min, (c) min, (d) 10 min, (e) 20 min, (f) 30 123 3.5 30 20 10 3.0 Absorbance /a.u composite film exhibited...
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Mechanisms of salt tolerance in halophytes pps
... salt tolerance at germination level in halophytes have failed to take into account differences in salt tolerance during early seedling development An investigation showed that germinating seeds in ... improvement in K+/Na+ ratio [54], leading to increased salt tolerance The factor responsible for initiating such an increase in ABA biosynthesis remains elusive, requiring further research Inconsistencies ... sensitive periods in the life cycle of halophytes, to ensure survival of the developing seedlings [83] NaCl priming in melon seedlings grown in saline conditions increases their salt tolerance [87]...
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Advances in Steel Structures - part 60 ppsx
... welded connections welded joint welding wind wind characteristics wind load wind-reducing random response (the) worst-case fatigue notch factor yield line yield line analysis Ill 357 75 323 1013 ... Keyword Index variation vertical load vertical shear strength vibration vibration characteristics vibration mode shape vibration test data viscous damper von Karman's model WA wall stud web crippling ... line yield line analysis Ill 357 75 323 1013 1133, 1141 505,873 497 87 831 999 253 477 This Page Intentionally Left Blank ...
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Advances in Steel Structures - part 1 doc
... Engineering Software CAD Composite Structures Computer Methods in Applied Mechanics & Engineering Computers and Structures Construction and Building Materials Engineering Failure Analysis Engineering ... Engineering Failure Analysis Engineering Fracture Mechanics Engineering Structures Finite Elements in Analysis and Design International Journal of Solids and Structures International Journal of Fatigue ... Australia Australia UK Taiwan, China France Japan Australia Czech Republic China China Singapore China China USA China USA Czech Republic Japan UK UK J.A Packer, S Pellegrino, E.P Popov, J Rhodes, J.M...
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Advances in Steel Structures - part 2 doc
... Eigenmode-Affine Imperfections J.G Teng and C.Y Song Postbuckling Analysis of Shells of Revolution Considering Mode Switching and Interaction T Hong and J.G Teng Transition of Plastic Buckling Modes in ... An Experimental Investigation into Cold-Formed Channel Sections in Bending V Enjily, M.H.R Godley and R.G Beale 375 Composite Construction Flexural Strength for Negative Bending and Vertical ... Schmidt and T A Winterstetter Shell Buckling Design of Austenitic Stainless Steel Cylinders under Elevated Temperatures up to 500~ H Schmidt and K.T Hautala Cylindrical Shells Buckling under External...
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Advances in Steel Structures - part 3 pdf
... reviewed in an attempt to identify suitable minimum restraint levels likely to be supplied by notionally pinned bases, Hensman and Nethercot, (2000a) The findings were then incorporated in the ... presented in a fashion suitable for direct use by designers in a forthcoming Steel Construction Institute Design Guide KEY FEATURES OF THE WIND M O M E N T METHOD The approach was originally devised in ... known as the Wind Moment Method to cover a limited range of composite frames The range represents that of most interest in practice in the UK Justification is by comparison with the findings from...
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Advances in Steel Structures - part 4 potx
... hysteresis behavior of a member with initial damage, if the initial damage index is known Second, it can get the damage index and emulated damage index of a member after loading And third, it can be used ... by Eqn Summing up the equivalent damage of all previous half cycles of loading, the cumulated damage index of the member can be obtained At the end of loading the cumulated damage index of specimen ... loading the strain of every subsection can be calculated, the damage index D~ of the subsection is obtained by using Eqn and hence the equivalent damage index /9 of the member is also obtained...
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Advances in Steel Structures - part 5 docx
... points A1 and A3 during 10th loading considering the cumulative damage Figure The calculated displacement curves for points A1 and A3 during 10th loading assuming no damage( D=-0) Cumulative Damage ... and minimum displacements of points A1 and A3 during different loadings There are three results corresponding to the measured values, the calculated values taking the cumulative damage into account ... framed structures subjected to more than one time's earthquakes into practice (4) Using the method proposed in the paper, the analysis of initially damaged structures becomes practical and the damage...
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Advances in Steel Structures - part 6 pptx
... Tubular Structures, Singapore, 177-186 Wilkinson T and Hancock GJ (1998c)."Tests of Bolted and Intemal Sleeve Knee Connections in Cold-Formed RHS", Tubular Structures VIII, Proceedings, 8th International ... specimens Again, further investigation is required to determine if the AS 4100 interaction rule is appropriate for non-uniform moment The simple linear interaction rule for non-compact sections in AS ... occur and aggravate inelastic sections inelastic local buckling in compression or for these types of members are included in connections to slender cold-formed tubes local buckling of the slender...
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Advances in Steel Structures - part 7 pot
... in the post-buckling state permit the thermal expansion to be accommodated in member curvature, thus reducing the stresses present but inducing large deflections Here, post-buckling is not, in ... development in heated axially restrained elastic beam The axial force developing in the beam under increasing temperature is shown in Figure As assumed above, this force almost constant in the post-buckling ... to thermally induced bending or to thermal bowing (Eqns 2-4 apply again) The differential induces either bending moments or additional deflections or both in the slab Where the bending moment causes...
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Advances in Steel Structures - part 8 potx
... Harbin University of Civil Engineering and Architecture 202 Haihe Road, Harbin 150090, China ABSTRACT The aim of the paper is to propose some kind of design formulas for stability analysis of single-layer ... shapes varying with the loading process, and the possible buckling of different orders and of different characters (over-all or local buckling, bifurcation or limit point), with the corresponding critical ... member sections determined by calculation as in practical design As the usual case in China, circular steel tube members and welded hollow spherical joints are used for these structures Design...
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Advances in Steel Structures - part 9 pps
... calculated by replacing B and z in Eqs (2) and (3) by D and x, respectively, but assumed in opposite direction (outward) A kind of steel stress-strain relation including a strain hardening part, proposed ... the local initial deflections in the longitudinal direction, which is assumed as an integer giving the lowest failure strain and will be further discussed below The initial deflections in the web ... as well as the inclination angle a are as shown as in the figure DUCTILITY ISSUES IN THIN-WALLED STEEL STRUCTURES T Usami 1, Y Zheng 1, and H.B Ge 1Department of Civil Engineering, Nagoya University,...
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