• The Journal of the Korea Contents Association
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• v.20 no.2
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• pp.265-276
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• 2020

This research is to study about the extrinsic characteristics of imaginary friends in the picture books which are published in Korea and its publishing trend. At first, the pioneering country which is publishing picture books telling about the imaginary friend belongs to the western countries, and some part of them are printed in Japan and Korea among east asia, and its story is most likely fiction, since 2000, the picture books about the imaginary friends have been steadily published. Secondly, its extrinsic characteristics among them are the gender, name of the main character and his/her imaginary friends, and whether the imaginary friend present themselves, their physical types, and the numbers of imaginary friends in the picture books. The percentage of gender between man and woman who is more likely to have the imaginary friends in the picture books are higher to girls than boys, and their imaginary friends are to be called by the intimate or unique name rather than the its general name and/or the name reflected by it appearance, and the imaginary friend are only visible to the main character, and its type are widely ranged from animal, human, and others in frequent order, and the main character tend to have only one imgainary friend rather than to have multiple ones.

• 한국지구물리탐사학회:학술대회논문집
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• 2003.11a
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• pp.383-389
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• 2003

Clay minerals show a distinct induced-polarization phenomenon, which is one of the most important factors for predicting groundwater flow and contaminant transport. This paper presents a step-by-step process to estimate Cole-Cole parameters from spectral induced-polarization (IP) data measured on the surface of three-dimensional earth. First, the inversion of low-frequency resistivity survey data is made to identify the dc resistivity ${\rho}_dc$ of a volume having IP effects. The other parameters, chargeability m, time constant $\tau$, and frequency dependence c, are sought for the polarizable volume. Next, using multi-frequency data, c can be obtained as high or low asymptotes of the slope of log phase vs. log frequency. Further, for low m, intrinsic $\tau$ is approximated by apparent one, ${\tau}_a$, which is derived from the relation ${{\omega}{\tau}}_a$=1 at an angular frequency $\omega$, where the imaginary component of spectral IP data has an extreme value. Finally, to obtain intrinsic m a two-step linearized procedure has been derived. For a body of given $\tau$ and c, forward modeling with a progression of m values yields a plot of observed vs. intrinsic imaginary components for a frequency. Since this plot is essentially linear, to extract the intrinsic imaginary component is quite simple with an observed value. Using the plot of intrinsic imaginary component vs. m, intrinsic m is determined. We present a synthetic example to illustrate that the Cole-Cole parameters can be recovered from spectral IP data.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.6 no.7
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• pp.1089-1094
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• 2002

We can travel every imaginary world and do every impossible thing via 3D character. People interest in 3D character animation for modeling like real world due to the increase of 3D game and imaginary Virtual Reality on the internet. In this paper, new framework for present of 3D character of high quality is applied. I represent 3-dimensional Humanoid modeling and animation technology and show the adequacy via simulation for various and natural representation certificate using VRML as a Web3D information type and XML.

• Proceedings of the KIEE Conference
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• 2007.11c
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• pp.141-145
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• 2007

Using the New Fast Walsh Transform algorithm, we present a new algorithm which reduces the computational amount, and it can consequently calculate the real and imaginary components for current and voltage signals of power system in sampling intervals. The calculation amount is reduced to 2X(m-1) at m samples to measure full harmonics using developed algorithm. When in single harmonic measuring, it needs only 2(log2N-1)+1 additions and subtractions. We developed hardware device for testing, and tested the developed algorithm by measuring real and imaginary components.

• Proceedings of the Korea Concrete Institute Conference
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• 2000.10a
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• pp.320-324
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• 2000

Nonlinear stress analysis of nuclear containment building is carried out using microscopic concrete material model. The present study mainly focuses on the evaluation of the ultimate pressure capacity of idealized containment building in nuclear power plant. For this purpose, an eight-node degenerated shell element it adopted and an imaginary opening in the apex of containment building is allowed in FE model. From numerical analysis, the adopted concrete material model performs well and has a good agreement with the result obtained by using ABAQUS. Finally, we propose the present study as a benchmark test for nonlinear analysis of containment building.

• Korean Institute of Interior Design Journal
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• v.17 no.6
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• pp.11-20
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• 2008

The purpose of this study is to find out the theoretical background of spatial fantage effects in Piranesi etching "Le Carceri" called 'Architectural Capriccio'. In a life time Piranesi created a prodigious oeuvre of dramatic and fantastic images about magnificent buildings and mysterious ruins and prison. The increasing "tourism" after the middle of the 18th century contributed a lot to Piranesi's success. He was famous for his poetic views of Rome and also his fantastic imaginary interiors. The terms "Capriccio" and "Veduta" are strongly connected with Piranesi's work. The term Veduta describes a form of landscape depiction in print with close to reality imitation of the scenery, whereas the "Capriccio" contains the elements of invention in artificial architectural landscape. Trained in Venice as an engineer and architect, his studies had included perspective and stage design. These skills, allied to his deep knowledge of archaeology, provided the substance for his Veduta, etchings of ancient Rome. But his most remarkable etchings are those of imaginary interiors, the Carceri d'Invenzione(Imaginary Prisons), a series of capric plates issued in 1750. It appears to Piranesi etching 'Le Carceri' that 18th century experimental scenography's effect very strongly. Also, it can understand about "Scena per Angolo" which was revealed by Ferdinando Galli Bibiena that Piranesi spatial view and viewpoint deconstruction operate motive and cause. Piranesi's spatial fortification was influence by Filippo Juvarra's spatial concept. As a result of this research will be foundation of understanding deeply that Piranesi etching has been affect to present architecture and art.

• Journal of the Korean Society of Costume
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• v.9
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• pp.75-88
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• 1985

This study is on the expressive will of human beings by way of examining turtle patterns. Turtle represents spiritual, incantatory implications and the idea1s of long life and of fortune. From ancient to the present the turtle patterns have expressed various kinds of arts on these concepts. The researchs on the examples of turtle patterns are summed up as follows. 1. Single form of turtle shows a turtle wrapped by snakes and is generally regarded as a symbol of long life with respect to the mysteries of the Tao. 2. HyunMu type is of an imaginary animal which is wrapped by snakes. 3. Turtle shell type is hexagon accumulated 1ike successive bee-hives.

• Journal of the Korean Mathematical Society
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• v.52 no.5
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• pp.907-928
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• 2015

We show in many cases that the Siegel-Ramachandra invariants generate the ray class fields over imaginary quadratic fields. As its application we revisit the class number one problem done by Heegner and Stark, and present a new proof by making use of inequality argument together with Shimura's reciprocity law.

• Journal of the Korean Mathematical Society
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• v.46 no.6
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• pp.1243-1254
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• 2009

The inverse scattering problem is investigated for some second order differential equation with a nonlinear spectral parameter in the boundary condition on the half line [0, $\infty$). In the present paper the coefficient of spectral parameter is not a pure imaginary number and the boundary value problem is not selfadjoint. We define the scattering data of the problem, derive the main integral equation and show that the potential is uniquely recovered.

• Journal of Welding and Joining
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• v.30 no.6
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• pp.120-125
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• 2012

Because ships and offshore structures have very large dimensions and complicated shapes, it is difficult to determine the deformation or internal stress in the structure by simple lab tests. Thus, a rigorous analysis by using the computer simulation technology is essential for obtaining their distortions by considering the entire production process characteristics. The rapid development of computer technology made it possible to analyze the heat transfer phenomena, deformation and phase transformation in the welded joint. For large shell structures, shell elements modeling contributed primarily to this development. But if a welding is done by multi-pass, shell elements whose thickness are unchangeable can hard to describe the local situation. Recently, it was researched how to introduce the imaginary temperature for V grooved multi-layer butt welding in strain-boundary method (a kind of shrinkage methodologies). In the present study, we formulated the imaginary temperature for the double bevel and double V groove by considering the thickness change of each pass through the bead and the thickness directions simultaneously and also demonstrated the feasibility of the formula by applying it to the thermal distortion analysis of the erection process of crane pedestal.