نتایج جستجو برای: structure interaction deformations

تعداد نتایج: 2056598  

Journal: :Fluids 2022

Water impacts provide a challenge for wide range of applications, from aerospace, to marine, mechanical and civil engineering, due the complexity conveyed by coexistence impulsive loads, large local deformations high-amplitude vibrations. Thus, need reliable structural health monitoring (SHM) systems is emerging in industrial field fluid-structure interaction (FSI) applications. In this paper, ...

Journal: :Advanced materials 2012
Ying-Chieh Chen Joseph B Geddes Leilei Yin Pierre Wiltzius Paul V Braun

X-ray computed tomography is used to reconstruct the 3D structure of a polymeric photonic crystal. The reconstructed structure is compared to the structure predicted by a model. This analysis provides means to better understand deformations that occur during holographic fabrication of photonic crystals.

Iranmanesh, M. , Ranjbar Nodeh, E. , Shadkam, S. ,

Increasingly, Welding is used in industry for assembled various products, such as ships, cars, trains and bridges. Welding distortion often results such as lack of accuracy during assembly and will have increases manufacturing costs. So, predict and reduce welding distortion is very important to improve the quality of welded structures.  In this study, firstly, a prediction method of welding di...

Iranmanesh, M. , Ranjbar Nodeh, E. , Shadkam, S. ,

Increasingly, Welding is used in industry for assembled various products, such as ships, cars, trains and bridges. Welding distortion often results such as lack of accuracy during assembly and will have increases manufacturing costs. So, predict and reduce welding distortion is very important to improve the quality of welded structures.  In this study, firstly, a prediction method of welding di...

2007
Xiaodong Wang Jinghua Qian

In this thesis, mixed primitive variable based finite element formulations are developed to solve linear and nonlinear fluid-structure interaction problems involving incompressible (or almost incompressible) fluid models. The mixed elements are used according to the inf-sup condition. It is pointed out that along the fluid-structure interfaces, different coupling conditions can be used accordin...

2008
G. A. Lalazissis D. Vretenar P. Ring

Ground-state properties of A = 20 nuclei (20N, 20O, 20F, 20Ne, 20Na, 20Mg) are described in the framework of Relativistic HartreeBogoliubov (RHB) theory. The model uses the NL3 effective interaction in the mean-field Lagrangian, and describes pairing correlations by the pairing part of the finite range Gogny interaction D1S. Binding energies, quadrupole deformations, nuclear matter radii, and d...

1996
S. Ćwiok J. Dobaczewski P. - H. Heenen P. Magierski W. Nazarewicz

Ground state properties of the superheavy elements (SHE) with 108≤Z≤128 and 150≤N ≤192 are investigated using both the Skyrme-Hartree-Fock method with a density-independent contact pairing interaction and the macroscopic-microscopic approach with an average Woods-Saxon potential and a monopole pairing interaction. Detailed analysis of binding energies, separation energies, shell effects, single...

Journal: :Ocean Engineering 2021

This paper examines the hydroelastic response of a monopile structure, supporting an offshore wind turbine. A new numerical simulation tool is presented, coupling nonlinear potential flow solver to structural model based on modal superposition. The hydrodynamic Weak-Scatterer (WS) approach and assumes small perturbations incident flow. finite element method (FEM) used compute parameters, which ...

حاجی علی اوغلی, رباب, مؤذن, محسن,

The ultramafic rocks from the Takht-e-Soleyman metamorphic complex, in Precambrian age, are classified as serpentinized metaperidotites and serpentinites, based on degree of serpentinization. Serpentine forms more than 90 volume% of the serpentinites. On the basis of serpentine polymorphs, textural relations and micro-structure features, variety of serpentinites are determined as massive serpen...

2013
P. E. Mergos K. Beyer

Quasi-static cyclic tests on reinforced concrete (RC) walls have shown that shear deformations can constitute a significant ratio of the total deformations when the wall is loaded beyond the elastic regime. For slender RC walls that form a stable flexural mechanism, the ratio of shear to flexural deformations remains approximately constant over the entire range of imposed displacement ductiliti...

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