نتایج جستجو برای: dynamic and static loading tests
تعداد نتایج: 16935035 فیلتر نتایج به سال:
It is well-known that the mechanical behavior of rocks under cyclic loading is much different from static loading conditions. In most constructions, the load applied to structures is within dynamic ranges. That’s why a great deal of attention has been paid towards this field in order to identify the dynamic behavior of rocks in more details. Nevertheless, the nature of dynamic failure in rocks ...
In the present article a numerical procedure is developed for dynamic analysis of single and double autofrettage of thick–walled FG cylinders under transient loading. The governing differential equations are discretized and presented in explicit Lagrangian formalism. The explicit transient solution of discrete equations are obtained on the meshed region and results for stress and strain distrib...
Introduction and Purpose: Due to the importance of functional balance tests assessment with emphasis on parameters influencing the balance including somatotype, this study undertaken to determine the reliability of functional balance tests (static, semi-dynamic and dynamic) in endomorphe healthy women within 24-34 years old. Methodology: 25 female endomorphe with the average and standard dev...
Introduction: The present study evaluates reliability of functional balance assessment tests in children aged 7-10 and its correlation with selected anthropometric parameters. Methodology: Population of the study includes 80 students aged 7-10 (40 female and 40 male). The Sharpened Romberg Test was used for static balance, while timed up and go test, Tandem walk test, and Y test were used for ...
Objectives: Joint supporters can caused increasing proprioceptive information. Such proprioceptive information is needed for balance. The purpose of this study was to determine the effect of soft knee support on static and dynamic balance tests in male elderly (65 years and older). Methods & Materials: Via a randomized clinical trial study design, 22 elderly were selected and divided into tw...
Experimental investigation of energy-absorption characteristics of components of sandwich structures
Two series of experiments are performed to investigate the dynamic response of various essential components of a class of sandwich structures, under high-rate inertial loads. One consists of dynamic inertia tests and the other involves dynamic impact tests. A split Hopkinson bar apparatus is modified and used for these experiments. First, the energy-absorbing characteristics of the plate materi...
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