• Journal of Families and Better Life
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• v.21 no.6
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• pp.117-127
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• 2003

This study examined the effect of resilience on the adjustment of retired husbands and their wives. Data was collected from 174 retired husbands and their wives in the Seoul metropolitan area. Collected data were analyzed by mean score, percentile, paired-t tests and regression analyses. The major findings were as follows : 1. There was no significant difference in the adjustments between retired husbands and their wives. 2. Individual resilience, family resilience and social resilience had a strong impact on the adjustment of retired husbands and their wives. Self-esteem, acceptance of retirement, communication between the couple, family cohesion, and retirement policy had a significantly positive impact on the husbands' adjustment. 3. As for the adjustment of the wives, self-esteem, communication between the couple, family cohesion, acceptance of husbands' retirement and religious activity had a significantly positive impact. In summary, this study shows the importance of resilience in the adjustment of retired husbands and their wives.

• The Journal of Information Systems
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• v.25 no.4
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• pp.37-61
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• 2016

Purpose This study examines firms at various industries to identify key organizational characteristics that positively drive the evaluation of cloud computing. In addition, this study tests the impact of one's evaluation has on the adoption and integration of cloud computing within their respective firm. Design/methodology/approach A total of 172 responses from various firms currently using cloud computing service were analyzed using the structural equation modeling(SEM). Findings Results show that organizational Needs(Mobility and Job Relevance), Perceived Factors(Relative Advantages and Cost Savings), and Organizational Readiness(Technical Knowledge, Financial Supports, and Managerial Supports) have a significant impact on cloud computing evaluation; and evaluation influences its adoption, and integration. However, two variables(IT Performance Gaps and Compatibility) have no significant impact on cloud computing evaluation. Finally, Evolutional Leadership has a significant moderating effect within the relationship among variables in the process of cloud computing implementation.

• Proceeding of Spring/Autumn Annual Conference of KHA
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• 2009.04a
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• pp.204-207
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• 2009

The purpose of this study was to evaluation of impact factors, which are temperature and relative humidity on formaldehyde emission from MDF(Medium Density Fiberboard). The test was carried out at 4 specimens that were different of temperature and humidity by using small chamber system. Formaldehyde was sampled and analyzed by HPLC. The results of this study were as follows; 1) When the temperature increased from 25 to $35^{\circ}C$ at 50%, the emission rate of formaldehyde increased 1.0-1.6 times. 2) When the RH increased from 50% to 80% at $25^{\circ}C$, the emission rate of formaldehyde decreased 0.6 times. 3) The enhancement effect of temperature on Formaldehyde under RH of 50% was more significant than under RH of 80%.

• Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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• 2008.04a
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• pp.817-820
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• 2008

In this paper, a pendulum system is constructed to perform the fundamental research which is concentrated on the various frequency pattern of impact-object simulation tests. Because to reduce injuries of pedestrians, and to satisfy the criterions of the EECV and Euro-NCAP. We analyze the frequency responses to recognize the impact objects. This study will be the basic data to development the smart bumper to protect the pedestrians.

• Journal of the Korean Society for Railway
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• v.9 no.6 s.37
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• pp.784-791
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• 2006

This paper presents the test results to evaluate the healthiness of the ballast in subway. The test includes the dynamic load test in servicing Line the screen classification test of aggregates and the wear test. From the results, the aspect and the property of the ballast are evaluated. The dynamic load tests explain the relationship between the deterioration of the ballast and the fluctuation of loads. The assessment of impact factor based on the field test results in a good property of test blocks is proposed.

• Journal of the Korea Institute of Military Science and Technology
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• v.7 no.3 s.18
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• pp.11-20
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• 2004

In this paper, the acceptance criteria(Striking Velocities) for the A12519 weldments have been developed. Dynamic impact simulation of A12519 plate was achieved by using LS-DYNA, and predict the projectile velocity and the crack length. Also, Ballistic impact tests of A12519 plate have been performed, and compared with analysis results. Critical velocities of A12519 plate were acquired respectively, and striking velocities of A12519 weldments were calculated. Present work data will be used by basic data in ballistic impact test for A12519 weldments.

• Asia pacific journal of information systems
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• v.11 no.3
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• pp.165-184
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• 2001

Despite many numbers of studies in Technology Acceptance Model(TAM), the social influence construct has not been recognized, nor handled clearly. This study includes the social influence construct in TAM and tests the robustness of the model for different information systems contexts: office automation(spreadsheet) and Internet(WWW) usage. Study findings include that 1) social influence has a direct impact on the usage of spreadsheet, but not on Internet(WWW) usage, and 2) social influence has a stronger indirect impact on IS use through perceived ease of use than through perceived usefulness(for both Internet and spreadsheet).

• Journal of Welding and Joining
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• v.17 no.3
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• pp.96-101
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• 1999

Microstructures and mechanical properties of weldments were studied for EH36 TMCP higher-strength hull steel with electrogas welding jprocess. In case of a newly designed EH36 TMCP steel for large heat input welding process, the Microstructures of HAZ shows more narrow width of grain coarsed region than that of conventional EH36 TMCP weldments, the amount of acicular ferrite, which is beneficial to impact toughness, increased while the amount of grain-boundary ferrite decreased. Charpy V-notched impact tests show that a newly designed EH36 TMCP steel weldment satisfies all the requirement of specifications, especially at the fusion line +2mm where the conventional EH36 TMCP steel fails to exceed the requirement.

• Journal of Auto-vehicle Safety Association
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• v.7 no.1
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• pp.40-44
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• 2015

In recent years, WorldSID dummy has been continuously developed and investigated to be a better represent biolfidelic ATD as well as a device for replacement of the current existing EuroSID-2. In Korea, the side impact accident is one of the major severe accidents in terms of numbers of accidents and fatality. Since 2003, 50kph 90degree side crash test has been initiated as a safety standard with EuroSID-1 at the first stage and also same time 55kph impact speed test has been conducted as a part of KNCAP program. Currently only EuroSID-2 is accepted as a regulatory tool for vehicle certification and KNCAP. In order to make use of WorldSID of KNCAP in the distant futuer the tests with WorldSID is conducted experimentally.

• Structural Engineering and Mechanics
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• v.44 no.3
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• pp.325-337
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• 2012

In this article, the multi-objective optimization of cylindrical aluminum tubes under axial impact load is presented. The specific absorbed energy and the maximum crushing force are considered as objective functions. The geometric dimensions of tubes including diameter, length and thickness are chosen as design variables. D/t and L/D ratios are constricted in the range of which collapsing of tubes occurs in concertina or diamond mode. The Non-dominated Sorting Genetic Algorithm-II is applied to obtain the Pareto optimal solutions. A back-propagation neural network is constructed as the surrogate model to formulate the mapping between the design variables and the objective functions. The finite element software ABAQUS/Explicit is used to generate the training and test sets for the artificial neural networks. To validate the results of finite element model, several impact tests are carried out using drop hammer testing machine.