نتایج جستجو برای: elastic winkler pstrnak

تعداد نتایج: 71687  

2011
Andrew J. Whittle

This thesis develops analytical solutions for estimating the bending moments and axial loads in a buried pipeline due to ground movements caused by tunnel construction in soft ground. The solutions combine closed-form, analytical solutions for tunnel-induced, free-field ground deformations in a plane orthogonal to the heading (Pinto and Whittle; 2001) with Winkler models for pipe-soil interacti...

Journal: :Theoretical and applied mechanics 2022

Wave attenuation, filtering and guiding is an ongoing topic of scientific research, as there are many opportunities for improvement existing solutions in modern industry. One the recent advancements has been made with use non-reciprocal metamaterials.Certain properties metamaterials have them suitable various engineering fields. In this study, we investigate wave propagation behavior coupled th...

2012
Maurice Hermans Frederik C. Schadd

Mapping ontologies is a crucial process when facilitating system interoperability and information exchange. Ontology Mapping systems commonly utilize string metrics in the mapping process to compare concept names. String metrics can be extended using the Winkler method, which increases the similarity value of two strings if these have a common prefix. A common occurrence for two corresponding o...

Journal: :Вестник Чувашского государственного педагогического университета им. И.Я. Яковлева. Серия: Механика предельного состояния 2020

Journal: :Applied sciences 2023

This study aims to reveal the deformation characteristics of buried pipelines and effects various parameters on settlement displacement using analytical analysis method. A simplified mechanical model for is proposed with theory Winkler model, sensitivity impacts are performed by comparing them those given other cases. The rationality approach verified a comparison previous cases, it also turned...

Journal: :Architecture, Structures and Construction 2022

Beams supported by elastic foundations are one of the complex soil-structure interaction problems that have been studied using "beam on foundation" concept. To support loads, structural foundation and soil continuum must work together. The development more accurate model simpler procedure critical for safety cost-effective construction such type structure. Three nodded beams based Timoshenko be...

1999
El Steen

A recently published revision of the absorption cocfficienLs for oxygen in water has prompted a reinvestigation of the subject by a new microgasometric technique. A known volume of gas-free water (approximately 1 ml) was brought into contact with oxygen at constant pressure and temperature. The oxygen uptake and the amount of water were measured with a micrometer burette. The results obtained a...

Journal: :Journal of continuing education in nursing 2010
Patricia S Yoder-Wise

Journal: :Trends in Sciences 2022

Free vibration analysis is carried out on axially inhomogeneous beams resting Winkler-Pasternak elastic foundation. The material properties of the beam like Young’s modulus, modulus rigidity and density are considered to be varying along length direction following constant, linear exponential models. subjected different combinations clamped simply supported boundary conditions. formulation base...

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