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About 10,000 papers for “Dynamic testing”

Dynamic testing

Thomas Schack, Jürgen Guthke · International Journal of Sport and Exercise Psychology · 2003

Abstract This article examines test procedures that focus on activating and assessing learning and action potential. This dynamic testing is presented within an intelligence‐testing framework as an appropriate diagnostic strategy for assessing potential for change and for identifying the relevant variables experimentally. It is shown how the various testing approaches integrate feedback and prompts that elicit a learning process and estimate learning potential. The development of a dynamic approach to testing motor learning potential in Europe and the United States is outlined. Comparisons with static approaches show the advantages of dynamic test procedures in education, competitive sports, aviation, childhood motor impairments, and current trends in sport psychology. Consequences are discussed for a research perspective placing more emphasis on change.

Cited by 5

Dynamic testing

Antonio Coronato · Institution of Engineering and Technology eBooks · 2018

Dynamic testing (or dynamic analysis) aims at verifying the dynamic behavior of a system. It encompasses the design and execution of test cases. Although the design of a test case can already be performed in the early stages of the development of the software system (e.g., the acceptance tests), the execution, and thus the verification of the behavior, can, of course, be performed only after the system has at least partially been realized. In other words, dynamic testing needs the software to have been compiled and executed with some specific input values and internal conditions in order to compare the obtained results with those expected. In the following sections, we are going to discuss how to design, create, and execute dynamic testing.

Cited by 0

Dynamic Body Testing

W. W. Fredericks · SAE technical papers on CD-ROM/SAE technical paper series · 1962

Cited by 0

DYNAMIC PACKAGE TESTING

Herbert H. Schueneman · 2008

The purpose of this paper is to define certain techniques which can be useful to the package engineer in determining package system performance; that is, how well does the package protect the product. A protective package is a device or material placed between a fragile product and a potentially harmful environment, the purpose of which is to protect the product from the effects of the environment. Although there are many potentially harmful environmental inputs, we will concentrate on the effects of shock (or impact). Most protective package systems use cushion materials designed to deflect in response to induced forces. This deflection transforms the relatively high acceleration short duration shock pulse experienced when two rigid surfaces collide (such as a product dropping on the floor) into a lower G, longer duration event such as that shown

Cited by 0

Dynamic Testing Materials

S. Jones, Gillis, Peter P. · Defense Technical Information Center (DTIC) · 2001

The subject of this project was dynamic testing of materials at high strain rates Most of the effort was directed toward the Taylor Impact test. The Taylor Test is important because it helps bridge the gap between the split-Hopkinson pressure bar and flyer plate experiments. Another important feature of the Taylor test is the very large compressive strains that are achieved. New analytical tools were devised to reduce data from the Taylor test and a number of experiments were performed at the University of Alabama. To reduce the effect of radial inertia new low caliber launcher was built and 0.164 inch diameter specimens were tested. Taylor tests of viscoelastic materials for which a recovered deformed specimen was not possible, were also performed. In this case, a high speed film record of the impact event was substituted instead. Some progress was also made on quantifying the high rate behavior of some materials that are not candidates for the Taylor test. The mechanical properties of geologically based materials are often deduced from penetration tests where the appropriate rates and pressures are available. Improvements and modifications of existing one-dimensional hard target penetration models were undertaken.

Cited by 10

DYNAMIC ENDOCRINE TESTING

Sheryl M. Ness, William F. Young · Endocrinology and Metabolism Clinics of North America · 1997

Cited by 3

A. Dynamic Testing

Kamran Ghani, John A. Clark, Yuan Zhan · 2011

evolving field where meta-heuristic techniques are applied to solve many software engineering problems. One area of SBSE, where considerable research is underway, is software testing. We see much application of meta-heuristics search techniques for generating input test data. But most of the work in this area is concentrated on test data generation from source code. We see very little application of such techniques to testing from other sources such as requirement and design models. Zhan and Clark applied such techniques to generate test data for Simulink models. This paper extends the work of Zhan and Clark by investigating the application of Genetic Algorithms (GAs) to Simulink models and then statistically compares the results to the existing work, which is mainly based on Simulated Annealing (SA).

Cited by 0

[Dynamic Testing Data]

Larder, R., Arthur, D. · University of North Texas Digital Library (University of North Texas) · 1980

Dynamic test data from an experiment conducted to determine the puncture resistance of lead- and uranium-backed type AISI 316 stainless steel (SS) plates. The data is presented in line graphs. The parameters that were varied in this investigation were punch diameter, test plate thickness, backing material, and test temperature.

Cited by 0

Dynamic Engine Testing

Wolfgang Voos · SAE technical papers on CD-ROM/SAE technical paper series · 1992

<div class="htmlview paragraph">The requirements to the quality of engines and vehicles have increased constantly and make testing more and more sophisticated. At the same time, there is a strong demand to reduce the periods and costs of development.</div> <div class="htmlview paragraph">Increasing importance is attached to dynamic engine test stands, that are capable of simulating steady-state and transient operating conditions as well as on-road driving.</div> <div class="htmlview paragraph">Loading units for this type of test stand must fulfill certain properties. Of special interest are</div> <div class="htmlview paragraph"> <ul class="list disc"> <li class="list-item"><div class="htmlview paragraph">the control response at continious and discontinious command value presetting,</div></li> <li class="list-item"><div class="htmlview paragraph">the parameters ‘mass ratio’ and speed gradient’.</div></li> </ul> </div> <div class="htmlview paragraph"> </div> <div class="htmlview paragraph">A comparison of the three common systems of dynamic loading devices, i.e. d.c. machine, asynchronous machine and hydrostatic unit, indicates the following:</div> <div class="htmlview paragraph">The d.c. machine is highly superior as regards limit frequency while the hydrostatic unit excells in the parameters of mass ratio and speed gradient. The asynchronous machine is superior owing to a simple mechanical design and good price/performance ratio.</div> <div class="htmlview paragraph">The superiority of the d.c. machine in limit frequency shall not be overrated. Tests on drivelines of common passenger cars have shown that it is only possible to simulate the first natural frequency with a range of about 3 to 9 Hz. This range is, however, reached by asynchronous machines and hydrostatic units without problem.</div>

Cited by 5

Pituitary dynamic testing

der Meij Nick van · Endocrine Abstracts · 2013

Searchable abstracts of presentations at key conferences in endocrinology ISSN 1470-3947 (print) | ISSN 1479-6848 (online)

Cited by 0

Dynamic Mechanical Testing

Rodger N. Capps, Linda L. Beumel · ACS symposium series · 1990

Viscoelastic materials are widely used for acoustic attenuation, isolation of continuous vibration, and shock mountings. The properties of these materials are dependent upon temperature and frequency of excitation, molecular structure of the base polymer, and chemical cross-linking systems and fillers. This paper describes a transfer function technique for the measurement of the frequency-dependent Young's modulus and loss tangent. Algorithms for time-temperature superposition are also discussed. It is then shown how the results of such measurements can be used in the selection of viscoelastic materials and fillers in the design of constrained-layer damping structures. Comparisons of mathematical modeling and experimentally determined damping are given for some of the chlorobutyl formulations discussed.

Cited by 10