巻号一覧
27 巻 (2001)
- 6 号 p. 257-
- 5 号 p. 219-
- 4 号 p. 181-
- 3 号 p. 137-
- 2 号 p. 89-
- 1 号 p. 1-
27 巻, 5 号
選択された号の論文の7件中1～7を表示しています
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Fu-Kuo Chang2001 年 27 巻 5 号 p. 219-223
発行日: 2001/09/15
公開日: 2009/08/11
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剱持 潔2001 年 27 巻 5 号 p. 224-226
発行日: 2001/09/15
公開日: 2009/08/11
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石川 隆司2001 年 27 巻 5 号 p. 227-229
発行日: 2001/09/15
公開日: 2009/08/11
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西脇 剛史, 塩見 考弘, 前川 善一郎2001 年 27 巻 5 号 p. 230-236
発行日: 2001/09/15
公開日: 2009/08/11
ジャーナル フリーThe honeycomb sandwich panel (HSP) is constructed by two facing plates and honeycomb core. It has been said that the HSP has high specific modulus and strength because of the light core. Nowadays the HSP is applied to structural components in various industrial fields. HSP has lots of geometric parameters, facing thickness, core thickness, wall thickness and cell size and so on. For application of the HSP to structural components, the prediction of its mechanical properties would be very important procedure. In order to investigate influences of the parameters on the mechanical properties of the whole HSP, a simple numerical modeling method is proposed. A modeling method of honeycomb core will be an important key to the numerical modeling of the HSP. Considered the periodicity of honeycomb core, the core and adhesive layer are modeled by two kinds of beam elements. The facing plate is represented by shell elements. In this modeling, a use of the proposed model, eigenvibration analyzes are performed and compared with experimental results. After checking the validity of the proposed model, the influences of geometric parameters upon the eigenvibration properties are quantitatively discussed.抄録全体を表示PDF形式でダウンロード (4663K) -
大島 信生, 青木 敬, 梅本 智史, 元木 信弥, 福田 武人2001 年 27 巻 5 号 p. 237-242
発行日: 2001/09/15
公開日: 2009/08/11
ジャーナル フリーThe piezoelectric ceramics is embedded in the glass fiber reinforced plastics (GFRP) laminate. A dielectric sensor is also embedded in the GFRP laminate as a reference sensor for the degree of cure. The cure monitoring of the FRP by the piezoelectric ceramics in autoclave processing is experimentally demonstrated. The impedances of the piezoelectric ceramics have strong tempera-ture dependence. However, the impedances of the piezoelectric ceramics can be corrected to the temperature by the exponential function. Thus, the impedances of the piezoelectric ceramics at the non-resonance frequency are adopted as cure index of the GFRP laminate. The change of impedance at non-resonance frequency shows good correspondence with change of the log ion viscosity, which is measured by the dielectric cure monitoring sensor.抄録全体を表示PDF形式でダウンロード (1573K) -
寺田 雄一郎, 轟 章2001 年 27 巻 5 号 p. 243-250
発行日: 2001/09/15
公開日: 2009/08/11
ジャーナル フリーStacking sequence optimization is an important problem in a design of composite panel. Practical composite laminates comprise a small set of available fiber orientations such as 0°, 45°, 90° and -45°plies because of the fabrication process and/or lack of experimental data. The restriction of available fiber orientations makes the stacking sequence optimizations into combinatorial optimization problems. For such combinatorial optimizations, genetic algorithm (GA) is a well known and popular tool. However, the GA is one of probabilistic algorithms and its reliability decreases as increasing the number of plies. In addition, GA requires several parameter tunings. The present study proposes a novel deterministic algorithm, that is named fractal-branch and bound method (FBBM). Using this method, the designers can optimize the bending stiffnesses certainly and immediately without any parameter tunings. In this paper, FBBM is applied to design bending-twisting coupling stiffnesses to show its high efficiency and reliability.抄録全体を表示PDF形式でダウンロード (4235K) -
航空機複合材料部品の適用化と展開天岡 和昭, 神山 隆之2001 年 27 巻 5 号 p. 251-254
発行日: 2001/09/15
公開日: 2009/08/11
ジャーナル フリーPDF形式でダウンロード (6045K)
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