Science topic

Structural Analysis - Science topic

Structural analysis is the determination of the effects of loads on physical structures and their components. Structures subject to this type of analysis include all that must withstand loads, such as buildings, bridges, vehicles, machinery, furniture, attire, soil strata, prostheses and biological tissue.
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Publications related to Structural Analysis (10,000)
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The rapid development of materials, construction and industrial technologies leads to significant innovations in building systems and load-bearing components. The buildings that have adopted these innovative systems or components may have distinct structural performances under various loading scenarios, which need to be comprehensively verified. Mo...
Article
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Cathepsin K (CatK) is a target for the treatment of osteoporosis, arthritis, and bone metastasis. Peptidomimetics with a cyanohydrazide warhead represent a new class of highly potent CatK inhibitors; however, their binding mechanism is unknown. We investigated two model cyanohydrazide inhibitors with differently positioned warheads: an azadipeptide...
Article
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In the current research, two coordination polymers (CPs) have been produced solvothermally on the basis of a semi-rigid multifunctional tricarboxylate, i.e., 5-(3,4-dicarboxylphenoxy) nicotic acid (H3L), and the chemical compositions of the two compounds are [Zn(H2L)2(H2O)2] 1 and [Zn(HL)(2,2'-bpy)] (2, 2,2'-bpy = 2,2'-bipyridine), respectively. Th...
Article
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Temperature-dependent alternative splicing was recently demonstrated for intron 2 of the gene coding for heat shock factor HsfA2 of the tomato plant Solanum lycopersicum, but the molecular mechanism regulating the abundance of such temperature-dependent splice variants is still unknown. We report here on regulatory pre-mRNA structures that could fu...
Article
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Welding armour steel plate is a crucial task in the construction of combat vehicle structures. The shield metal arc welding (SMAW) with austenitic stainless steel (ASS) filler is used to prepare the defect free weld joints under suitable welding parameters. Tensile property enhancement in the fusion zone of the weld joint inhibits bullet penetratio...
Article
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MicroRNAs (miRNAs), which were initially discovered in Caenorhabditis elegans , can regulate gene expression by recognizing cognate sequences and interfering with the transcriptional or translational machinery. The application of bioinformatics tools for structural analysis and target prediction has largely driven the investigation of certain miRNA...
Article
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In recent years, scientists have focused their attention in developing sustainable materials that can boost the construction industry without causing damage to the environment. In South and Central American forests grows a tropical species of bamboo known as Guadua angustifolia Kunth, which has been widely used for construction purposes since ancie...
Article
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A finite element (FE) structural analysis based on a commercial software is combined with an observer-based active control to study the real-time performance of an Active Tuned Mass Damper (ATMD) in reducing the fore-aft vibration of a monopile-supported offshore wind turbine (OWT). Firstly, a reduced order MDOF model was established and used to de...
Article
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Among the methods for evaluating the nonlinear performance of structures, pushover analysis is an appropriate alternative instead of direct time history analysis. To accurately extract the capacity curve of a structure, according to the loading regulations/protocols such as FEMA-356 and ATC-40, lateral loads are incrementally applied to the structu...
Article
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Synthetic aperture radar (SAR) is indispensable electronic equipment in modern life, which has been widely used in the field of geological exploration, disaster monitoring, and environmental observation. With the increasing complexity of earth observation tasks, a higher receiving resolution of SAR is required, which needs the area of the radar ant...
Article
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In this paper the authors analysed four single-layered braced barrel vaults with different types of bracing. Each braced barrel vault covered the area of 20 m × 28 m and was made from steel hollow sections. The static-strength analyses of the structures were conducted using the Autodesk Robot Structural Analysis program, taking into account self-we...
Conference Paper
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Zagreb Cathedral was severely damaged by the 5.4 magnitude earthquake on March 22, 2020. The church had already been hit by a severe earthquake in 1880 and was restored in the neo-Gothic style with cross vaults and arches supported by slender columns. In the restoration, the spatial connection between the load-bearing elements was poorly executed a...
Article
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We present a combined real and reciprocal space structural and microstructural characterization of CeO2 nanoparticles (NPs) exhibiting different crystallite sizes; ~3 nm CeO2 NPs were produced by an inverse micellae wet synthetic path and then annealed at different temperatures. X-ray total scattering data were analyzed by combining real-space-base...
Article
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Cytokinin dehydrogenase/oxidase (CKX) enzymes play a key role in regulating cytokinin (CK) levels in plants by degrading the excess of this phytohormone. CKX genes have proven an attractive target for genetic engineering, as their silencing boosts cytokinin accumulation in various tissues, thereby contributing to a rapid increase in biomass and ove...
Article
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Since the mid-2000 s, longitudinal tinning has been applied to concrete pavements of expressways to improve the comfort and safety of road vehicle users. However, in certain longitudinal tinning sections, lateral vibrations occur during driving, which poses a safety hazard. This paper analyzes the cause behind this problem and proposes a longitudin...
Preprint
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SARS-CoV-2 is the causative agent of COVID-19. The highly conserved viral NSP15 endoribonuclease, NendoU, is a key enzyme involved in viral immune evasion, and a promising target for the development of new classes antivirals. Yet, the broad variety of recognition sequences, complex assembly and kinetics, and lack of structural complexes hamper the...
Article
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This paper primarily investigates dimensions of English language teacher professionalism for a teacher to reflect and make a strategic professional commitment to implementing effective educational programs for the present and future. It incorporates eastern Hindu practices, particularly life values from the Bhagavad Gita, as a foundation for profes...
Article
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IntroductionThis study investigated choroidal structural changes on optical coherence tomography (OCT) using choroidal vascularity index (CVI) and choroidal thickness (CT) in patients with Best vitelliform macular dystrophy (BVMD).Methods This retrospective case control study included 78 patients with BVMD of different clinical stages and 242 age-...
Article
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In structural engineering, thin-walled structures play an important role in the design of the lightweight structural model. It carries different loading conditions when it exists in any model, and it is designed with thin plates or thin shells. Penetrating thin-walled structures with different kinds of holes can decrease their weight and facilitate...
Article
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We present the first structure of the human Kir2.1 channel containing both transmembrane domain (TMD) and cytoplasmic domain (CTD). Kir2.1 channels are strongly inward-rectifying potassium channels that play a key role in maintaining resting membrane potential. Their gating is modulated by phosphatidylinositol 4,5-bisphosphate (PIP 2 ). Genetically...
Article
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CRF07_BC is one of the most prevalent HIV-1 strains in China, which contributes over one-third of the virus transmissions in the country. In general, CRF07_BC is associated with slower disease progression, while the underlying mechanisms remain unclear. Our study focused on envelope proteins (Env) and its V3 loop which determine viral binding to co...
Article
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This paper presents two methods to understand the rhythmic patterns of the voice in Korean traditional music called Pansori. We used semantic segmentation and classification-based structural analysis methods to segment the seven rhythmic categories of Pansori. We propose two datasets; one is for rhythm classification and one is for segmentation. Tw...
Article
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In this present work, titanium dioxide (TiO2) nanoparticles were prepared by a standard solid-state reaction technique. The structural analysis by the XRD pattern confirms a single rutile phase tetragonal structure. According to scanning electron microscopy analysis, the prepared sample shows uniform morphology with a mean particle size of 120–160...
Conference Paper
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En la actualidad de naturaleza transmediática de la comunicación publicitaria, los símbolos visuales y los logotipos que representan marcas, servicios y productos se funden y se transforman de manera rápida y múltiple. Siguiendo la tendencia a la liquidez baumaniana de las últimas décadas, los espacios que ocupan se multiplican y los tiempos se aco...
Article
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The Uitoto community of the Colombian Amazon have used stories as a central axis of their culture and survival, using stories in different forms that have been passed from generation to generation, with the belief that the word is healing and world-creating. Stories have been told in different formats, times and genres but have a special purpose; c...
Preprint
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In this paper, we obtain global small solutions and decay estimates for the MHD boundary layer in Gevrey space without any structural assumptions, generalizing the results of \cite{NL} in analytic space. The proof method is mainly inspired by \cite{WXLY} and \cite{CW}, using new auxiliary functions and finer structural analysis to overcome the diff...
Article
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Isogeometric analysis (IGA) represents a relatively new method of problem-solving in engineering practice. A huge advantage of this method over the finite element method (FEM), is the reduction of the simulation execution time. Non-uniform rational B-splines (NURBS) allow the use of higher-order basis functions, thus increasing the accuracy of the...
Conference Paper
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High-temperature deformation and metamorphism provide crucial insights into the growth and the evolution of the deep continental crust at different geodynamic contexts (i.e., extensional and compressional). Permian lithospheric extension led to a high-temperature regime that affected the Variscan continental crust, nowadays fragmented and widesprea...
Preprint
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The walkability of destinations plays a decisive role in obtaining a sense of place for urban visitors. For an improved walkability-based visit experience, the city structure is analyzed by dividing it into small units, starting with the destination. However, existing studies focus on the walkability of residents by administrative district and use...
Conference Paper
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This paper documents the initial stage of a study investigating the interrelations between façade geometry design, material and fabrication constraints, and focuses on incorporating structural and fabrication constraints into parametric façade design. It presents the initial phase of the prototyping process for intricate façade elements employing r...
Experiment Findings
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We start our project by the disposition of the CdTe into thin films, the process is carried away using suing electron evaporation technique at different temperatures [6]. We then move to the next part of our project, the structural analysis of the thin films, X-Ray Diffraction method is used [2][3][4], a graph between the intensity of the beam and...
Article
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In this article I analyse the criticism surrounding two songs from a well-known collection of oral prose narratives told by a San performer, transcribed by the white Afrikaans author Eugène Marais and published as Dwaalstories (Wandering tales) first in 1921 as magazine stories and then in 1927 as a book. The songs, “Die towenares” (The sorceress)...
Conference Paper
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L’adozione di modelli reality-based affidabili per l’analisi e la simulazione strutturale affronta un dibattito scientifico tran-settoriale. La necessità di corrispondenza numerica tra forma e meccanica richiesta dalla Scienza delle Costruzioni, prevalentemente orientata verso la sintesi formale, trova un dibattuto terreno di confronto con la Scien...
Conference Paper
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In this experimental study, three cross-sections of mild steel were studied to locate their shear center concerning the rotation of the load. Z-cross section was symmetrical, whereas L-section and semicircular section were symmetrical on one axis and unsymmetrical on another. The shear center's location is vital to designers in structural analysis....
Article
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Background: Approximately 10% of patients with non-small cell lung cancer (NSCLC) harbor uncommon epidermal growth factor receptor ( EGFR ) alterations. This study aims to investigate the therapeutic responses and predict the binding activity of different tyrosine kinase inhibitors (TKIs) for EGFR uncommon alterations. Methods: Between May 2014 and...
Article
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The four-bay, five-story Reinforced Concrete (RC) frame with two-dimensional beams and a column moment frame system that is vulnerable to Mosul, Iraq's seismic activity is examined. A plastic hinge symbolizes the member yielding failure mode in columns and beams. Utilizing SAP2000 software (V.16), the pushover study was carried out to confirm the c...
Article
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Organic–inorganic lead halide perovskites materials have emerged as an innovative candidate in the development of optoelectronic and photovoltaic devices, due to their appealing electrical and optical properties. Herein, mix halide single-layer (~95 nm) and multilayer (average layer ~87 nm) CH3NH3PbIBr2 thinfilms were grown by a one-step spin coati...
Article
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High-performance phosphate adsorbents integrated with the advantages of excellent adsorption performance, low cost, strong adaptability, and environmental friendliness have always been desirable, because the existing rare earth-free adsorbents were confined to poor adsorption ability and the rare earth-based adsorbents were confined to high cost an...
Preprint
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Photophoretic forces could levitate thin 10 centimeter-scale structures in Earth$'$s stratosphere indefinitely. We develop models of the thermal transpiration lofting force on a bilayer sandwich structure under stratospheric conditions driven by radiative fluxes in the thermal-infrared and solar-band. Similar structures have been levitated in the l...
Conference Paper
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The paper presents META-FORMA (MEchanical-Typological Approach FOR Masonry Aggregates), an automated procedure for the seismic vulnerability assessment of masonry aggregates at urban scale. The study addresses the issue of performing seismic analysis in presence of a limited knowledge framework, typical of masonry buildings at this scale of analysi...
Article
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In the present investigation, first principle calculation on half Heusler (HH), FeNbSb compound was performed using the Wien2K code. Structural analysis was performed using volume optimization curves by Birch Murnaghan equation of states. Three different (viz. α, β and γ) crystallographic phases of FeNbSb compound were investigated to found out the...
Article
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The structural analysis of historic masonry churches subject to earthquakes is commonly based on two distinct approaches: that of the global response to seismic actions and that of the local analysis of a priori pre-determined collapse mechanisms. This is a conventional decoupling of the structural problem due to the difficulty of addressing the se...
Preprint
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In macromolecular structure determination using X-ray diffraction from multiple crystals, the presence of different structures (structural polymorphs) necessitates the classification of diffraction data for appropriate structural analysis. Hierarchical clustering analysis (HCA) is a promising technique that has so far been used to extract isomorpho...
Article
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Explosion load studies are an essential part of shield engineering design. This is especially true for explosion-proof plates, which are used in order to reduce the impact of explosions, which have the potential to cause substantial damage to structural elements. The purpose of this study is to detail the explosion phenomenon and the response of sa...
Article
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The growth and structural analysis of topological semimetal (TSM) PdTe2 were carried out in this study. The self-flux method was employed to grow the single crystals which were structurally characterized by XRD, SEM and EDAX, while the vibrational modes were observed by Raman spectroscopy. Further, the transport properties of the grown crystal are...
Article
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This paper is concerned with the convergence analysis of the PH heterogeneous asynchronous time integrators algorithm, proposed by Prakash and Hjelmstad (2004), and devoted to transient dynamic problems for structural analysis. According to PH method, the time discretization is performed using the well-known Newmark schemes, where the time step rat...
Article
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LPG is one of the gas fuels needed in daily life after the government has converged the use of fuel oil to fuel gas. The distribution of 12 Kg LPG in remote and outermost areas is still often hampered by the delivery process. Constraints in the distribution of 12 Kg LPG caused prices to become unstable. Government program to reach out and equal dis...
Preprint
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Major histocompatibility complex class I (MHC-I) proteins are expressed in neurons, where they regulate synaptic plasticity. However, the mechanisms by which MHC-I functions in the CNS remains unknown. Here we describe the first structural analysis of MHC-I, to resolve underlying mechanisms that explains its function. We demonstrate that Y321F muta...
Article
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The discovery of ribozymes has inspired exploration of RNA’s potential to serve as primordial catalysts in a hypothesized RNA world. Modern oxidoreductase enzymes employ differential binding between reduced and oxidized forms of redox cofactors to alter cofactor reduction potential and enhance the enzyme’s catalytic capabilities. The utility of dif...
Conference Paper
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In a building subjected to seismic loading, a large compressive force may develop in reinforced concrete (RC) coupling beams due to axial restraint imposed by the neighboring shear walls and expansion of the coupling beams in the failure process. The axial compressive force can increase the shear stiffness and capacity of the coupling beams and pot...
Article
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Faihaa Oilfield is a new exploration Iraqi Oilfield located in southern Iraq and within Mesopotamian Plain, including the Block 9 exploration area, along the Iraqi-Iranian border. The study area included Faihaa Oilfield (in Iraq) and Yadavaran Oilfield (in Iran). They belong to one anticline (Dome) structure separated by the Iraqi-Iranian border, w...
Article
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In recent decades, the additive manufacturing technology has made great progress in software and methods in various fields, and gradually explored in a deeper and broader manner. It has changed from the mature homogenized lattice type and model design to a non-uniform direction. It has also started to improve from the aspects of material innovation...
Preprint
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Pseudokinases, so named because they lack one or more conserved canonical amino acids that define their catalytically-active relatives, have evolved a variety of biological functions in both prokaryotic and eukaryotic organisms. Human PSKH2 is closely related to the canonical kinase PSKH1, which maps to the CAMK family of protein kinases. Primates...
Poster
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Structural analysis of Polour region in south and southeast of Damavand Mount in the central part of Alborz demonstrates evidence of recent fault activity in Mesozoic to present deposits. In this region, Quaternary basaltic and trachyandesitic rocks of Damavand Mount are the youngest masses laying on the quaternary alluviums. Detailed structural ma...
Article
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Greenhouses are employed worldwide to protect crops from meteorological conditions as well as to control some plant production variables. As multi-tunnel structures are amongst the most used, in this article, we focus on cost optimization of both the steel structure and the concrete foundation of this greenhouse typology. Firstly, three structural...
Conference Paper
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CONSEQUENCES OF SOCIAL CRISIS AND ANOMY IN CONTEMPORARY SOCIETY: THE INFLUENCE OF CONSUMERISM AND EXTRINSIC GOALS ON YOUTH ANXIETY AND DEPRESSION Abstract: The research problem refers to the difficulties of people with mental health caused by current forms of social crisis (corona-virus pandemic and post-covid phase of repairing "damage"). The res...
Article
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Though proposing algorithmic approaches for protein domain decomposition has been of high interest, the inherent ambiguity to the problem makes it still an active area of research. Besides, accurate automated methods are in high demand as the number of solved structures for complex proteins is on the rise. While majority of the previous efforts for...