All issues
Volume 45 (1998)
- Issue 6 Pages 1-
- Issue 5 Pages 1-
- Issue 4 Pages 1-
- Issue 3 Pages 1-
- Issue 2 Pages 1-
- Issue 1 Pages 1-
Volume 45, Issue 5
Displaying 1-10 of 10 articles from this issue
- |<
- <
- 1
- >
- >|
-
Shinichi IshiwariArticle type: Article
1999 Volume 45 Issue 5 Pages 1-6
Published: January 31, 1999
Released on J-STAGE: July 21, 2017
JOURNAL FREE ACCESSIn a computer system, an algorithm proposed in this paper generates patterns, which are made on planes from matrices calculated with aids of evolution of the developed dynamics. This developed dynamics contains two equations. Each of them possesses a similar frame of equation which describes evolution of one dimensional non-equilibrium oscillator along its coordinate. The two dimensional time evolution shown in matrices, is always blanced between in-flow of energy and out-flow of one by fluctuations. Within a limit that each equation describes one dimensional non-equilibrium state, the two dimensional time evolution of dynamics have steady balances, and therefore, can generate patterns on planes.View full abstractDownload PDF (932K) -
Takashi NagataArticle type: Article
1999 Volume 45 Issue 5 Pages 7-12
Published: January 31, 1999
Released on J-STAGE: July 21, 2017
JOURNAL FREE ACCESSThe present author has bealt with the development of drawing methods for three-dimensional design, interpreting conventional projective perspective drawing. As a part of this research, a new method for two-point perspective as well as byproducts were reported^<1,2>. Due to its complexity of three-point perspective drawing, its development was tentatively left out by this report. It was, however, found that all cube images in three-point perspective drawing can be reduced to nine configurations of three principle edges according to their spatial locations, and thus the configurations are consistently similar to those in two-point perspective drawing. Since the configurations were proved to function as a starting point of drawing, a drawing method can then be proposed. In comparison with conventional drawing methods, which rigidly defines a drawing situation at the very initiai stage of drawing, this method is simple to understand, perceive and use. Three-point perspective drawing now becomes a userfriendly method.View full abstractDownload PDF (729K) -
Hideaki Meguro, Masaaki Niimura, Takao Furukawa, Yoshio ShimizuArticle type: Article
1999 Volume 45 Issue 5 Pages 13-22
Published: January 31, 1999
Released on J-STAGE: July 21, 2017
JOURNAL FREE ACCESSThis paper proposes a CAD system and its model data formats for the frame core flush panel furniture considering real-time collaboration with users via network. In order to realize the CAD, it is required that modeling function simulating the process of real production and data generating function for productions. It became clear that geometric data and designing data of the frame core flush panel furniture is defined by the relations between planes of panels attaching or facing each other. Proposal system uses this method, and whole furniture and each panels are wrapped in boundary boxes, then each plane of boxes is defined by the facing plane and its distance. This data formats enables flexible modeling for real-time collaborative design. And proposal CAD models the furniture by the method of simulating real construction, so it is easy to generate constructive data for it. And also comparing with ordinary data formats, it is confirmed that the proposal data format is effective for defining much data in a small amount.View full abstractDownload PDF (1740K) -
Shiro MochizukiArticle type: Article
1999 Volume 45 Issue 5 Pages 23-32
Published: January 31, 1999
Released on J-STAGE: July 21, 2017
JOURNAL FREE ACCESSThis paper intends to clarify the development and improvement about basic functions of vacuum cleaners by collecting a Japanese leading newspaper advertisements. In the result, it was obtained that; 1) Improvements in vacuuming performance started to be tried after the early years of market finding time. They were carried out actually in the rapid growing time. After efficiency became to be attached importance with oil crisis as a turning point, the competition about vacuuming power started again. This change is almost consistent with the division into periods, described in the first paper. 2) Vacuuming performance was improved by not only reinforcements of vacuuming power, but also preventions of drop in efficiency. So, there were various methods only how to improve basic function. They became viewpoints to improve each specifications. Furthermore, they were classified into five types of planning concepts.View full abstractDownload PDF (1866K) -
Hiroyasu Kanemoto, Masaru UeharaArticle type: Article
1999 Volume 45 Issue 5 Pages 33-40
Published: January 31, 1999
Released on J-STAGE: July 21, 2017
JOURNAL FREE ACCESSThe purpose of this study is to investigate the dynamic characteristics of assembled-pipes with film materials. To be specific, assembled-pipes of 12 kinds of samples were examined by compression test. The following results were obtained : 1) The structuring pipes into a base-pipe resulted in increasing the maximum load and maximum displacement. 2) The maximum load and maximum stress increased when film materials were added. 3) Maximum load and maximum stress were affected according to the types of assembled-pipes. The conclusions were as follows : It was found that the assembling many pipes in the inner surface of a base-pipe was a more useful method.View full abstractDownload PDF (1193K) -
Yoshio TaniArticle type: Article
1999 Volume 45 Issue 5 Pages 41-50
Published: January 31, 1999
Released on J-STAGE: July 21, 2017
JOURNAL FREE ACCESSA major theoretical change seems to have taken place between Ch.Alexander's two books, Notes on the Synthesis of Form and The Timeless Way of Building. The kernel of this transformation is deeply rooted in various functional aspects of language, which inevitably intervene in the generative process. Notes exploited the rational and analytical powers of a language, while the later works shifted the emphasis to pattems, which are forms of linguistic configuration and the mediums to realize our environmental quality. In A New Theory of Urban Design, Alexander went further to say that visions, which can also be expressed as verbal pictures, are more accurate than any intellectual modes of thinking. Alexander's theories showcase some of the essential generative properties of language, and these should be taken into account in the critical research of generative morphology.View full abstractDownload PDF (1541K) -
Hidehiko TsubogoArticle type: Article
1999 Volume 45 Issue 5 Pages 51-60
Published: January 31, 1999
Released on J-STAGE: July 21, 2017
JOURNAL FREE ACCESSThere were close relations between natural, social environment and conventional technology, which is proved in this paper through a case study of basketwork lasting since Edo Era in the Tama Hills of western Tokyo. Tangible elements are deduced as follows : 1. Materials of basket were the plants in the particular ecosystem of scrub, which was used by preference. 2. Basketwork played an important part in lifecycle applying the scrub. It was the most encashable work in winter. 3. Both male and female shared basketwork appropriately. Female took a good part of the works. 4. The technology had two aspects : planning theory and the techniques of the body. Female considerably shouldered inheritance and spreading of the techniques of the body. Conclusively, this paper proves that conventional technology consists of customary idea and action in ordinary life. It continuously shows necessity of recognizing technology as natural and social relation, and of the method of analysis dividing technology between linguistic and physical inheritance.View full abstractDownload PDF (1777K) -
Ikuo Naito, Seigo Yasutake, Masao IiokaArticle type: Article
1999 Volume 45 Issue 5 Pages 61-68
Published: January 31, 1999
Released on J-STAGE: July 21, 2017
JOURNAL FREE ACCESSFour to five color chips with constant hue and value were chosen for 7 colors. Effects of chroma on perceived qualities of coated surface were studied by means of a rank test of 25 girl students (qualities, i.e. gloss sense, transparent sense, deepness sense, thickness sense, metallic sense, planarity sense, silkyness sense). The chroma value affects the perceived qualities except the metallic and planarity senses. The gloss sense increases with increasing the chroma value and is independent of hue. Both the transparent and deepness senses are detectable strongly in blue-colored chips. The silkyness sense, however, decreases with increasing the chromaticity. This effect is the largest in green-colored chips.View full abstractDownload PDF (891K) -
Gen Matsuzaki, Kazuo Ohuchi, Masaru Uehara, Yoshiyuki Ueno, Goro ImuraArticle type: Article
1999 Volume 45 Issue 5 Pages 69-76
Published: January 31, 1999
Released on J-STAGE: July 21, 2017
JOURNAL FREE ACCESSFor the columnar apparatus assuming a knob, handle and cap, the state of rotary control was studied using the columnar apparatus for 23 men and 9 women, their age were 19-20 years old. The method of experiment was as follows. Wooden 45 columned objects with different diameter (height 5Omm) were prepared. Diameter of these objects were 7-130mm, randomly chosen. The objects were set in the holder on the table, and then were turned to clockwise with the right hand. The condition of operating was recorded by a video camera from the bottom, and the relationships of contacting position between objects and each fingers were obtained from video recording. As a result, we could understand the boundaries of the number of fingers which were relatively shown, used at the time of starting of rotary control. And expanding the diameter of column, the touching points of fingers were approximated by the quadratic curves and clarified how they change. This result is available for designing the shape of the columnar apparatus for rotary control.View full abstractDownload PDF (1102K) -
Hiroyasu Kanemoto, Kazuki Yamada, Masaru UeharaArticle type: Article
1999 Volume 45 Issue 5 Pages 77-82
Published: January 31, 1999
Released on J-STAGE: July 21, 2017
JOURNAL FREE ACCESSThe purpose of this study is to investigate the effects of the assembling rolled film on the compressive strength. To be specific, the effect of distribution of the assembling pipes in a base-pipe and the contact between each film on compressive strength were examined. The following results were obtained : 1) The maximum load and maximum stress increased when many pipes assembled in the inner surface of a base-pipe. 2) The measured value of compressive strength of the rolled film was substantially lower than the theory value of the thin-walled pipe in a monobloc molding. 3) As the number of rolls increases, the difference between the theory value of compressive strength of the thin-walled pipe in a monobloc molding and the measured value of compressive strength of the rolled film becomes wider. 4) The compressive strength of the assembled-pipes with two kinds of the pipes depend on the buckling at part of the pipe with the large radius.View full abstractDownload PDF (824K)
- |<
- <
- 1
- >
- >|