JP2017146673A - 構造体の設計方法及び構造体 - Google Patents
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Abstract
Description
本実施形態に係る構造体の設計方法は、例えば、航空機の機体等の構造体を設計するための方法である。具体的に、構造体の設計方法は、ポリアリレート系繊維と樹脂とを含む複合材を制振材として用い、この制振材を構造体本体に設置して、構造体が要求性能を満足するか否かを評価している。先ず、構造体の設計方法の説明に先立ち、構造体本体、及び構造体本体に設置される制振材としての複合材について説明する。
11 胴体
12 垂直尾翼
14 垂直安定板
15 方向舵
21 スパー
22 リブ
23 スキン
30 複合材
31 CFRP層
32 VFRP層
E 複合材設置領域
A−1〜3,B−1〜3,C−1〜3 分割設置領域
α〜γ 積層位置
P 加振点
Claims (10)
- 繊維と樹脂とを含む複合材を制振材として構造体本体に設置するために行われる構造体の設計方法であって、
前記構造体に要求される要求性能が予め設定されており、
前記複合材を設置可能な前記構造体の複合材設置領域を分割した複数の分割設置領域の少なくとも一つの領域に、前記複合材を設置したときの前記構造体の設計性能を解析する第1設計性能解析工程と、
前記第1設計性能解析工程の解析結果に基づいて、前記複合材を設置する前記分割設置領域を選定する分割設置領域選定工程と、
前記構造体の厚み方向における前記複合材の積層位置を異ならせて前記複合材を設置したときの前記構造体の設計性能を解析する第2設計性能解析工程と、
前記第2設計性能解析工程の解析結果に基づいて、前記複合材を設置する前記積層位置を選定する積層位置選定工程と、
前記複合材に含まれる前記繊維の繊維方向を異ならせて前記複合材を設置したときの前記構造体の設計性能を解析する第3設計性能解析工程と、
前記第3設計性能解析工程の解析結果に基づいて、前記繊維の繊維方向を選定する繊維方向選定工程と、
前記分割設置領域選定工程において選定された前記分割設置領域と、前記積層位置選定工程において選定された前記積層位置と、前記繊維方向選定工程により選定された繊維方向とを少なくとも含む設計パラメータから導出される前記構造体の設計性能が、前記要求性能を満足するか否かを判定する性能判定工程と、を備えることを特徴とする構造体の設計方法。 - 前記制振材は、前記繊維として、ポリアリレート系繊維を含むことを特徴とする請求項1に記載の構造体の設計方法。
- 前記第2設計性能解析工程では、前記分割設置領域選定工程により選定された前記分割設置領域において、前記複合材の前記積層位置を異ならせており、
前記第3設計性能解析工程では、前記分割設置領域選定工程により選定された前記分割設置領域であって、且つ、前記積層位置選定工程において選定された前記積層位置において、前記繊維の繊維方向を異ならせていることを特徴とする請求項1または2に記載の構造体の設計方法。 - 前記積層位置は、
前記構造体を構成する構造部材の外表面上の位置である外表面積層位置と、
前記構造部材の内部の位置である内部積層位置と、を含むことを特徴とする請求項1から3のいずれか1項に記載の構造体の設計方法。 - 前記要求性能には、複数の要求性能パラメータが含まれており、
複数の前記要求性能パラメータは、前記構造体の強度、前記構造体の剛性、及び前記構造体の振動に対する減衰率の少なくともいずれかを含むことを特徴とする請求項1から4のいずれか1項に記載の構造体の設計方法。 - 第1の複合材を用いて構成される構造体本体と、
前記構造体本体に設置され、繊維と樹脂とを含む第2の複合材と、を備え、
前記第2の複合材は、制振材として、前記第1の複合材の内部に介在して設置されることを特徴とする構造体。 - 前記第2の複合材は、前記第1の複合材の厚み方向に所定の間隔を空けて複数設けられ、
複数の前記第2の複合材の前記繊維の繊維方向は、相互に交差するように設置されることを特徴とする請求項6に記載の構造体。 - 第1の複合材を用いて構成される構造体本体と、
前記構造体本体に設置され、繊維と樹脂とを含む第2の複合材と、を備え、
前記第2の複合材は、制振材として、前記第1の複合材の外表面に設置されることを特徴とする構造体。 - 前記制振材は、前記繊維として、ポリアリレート系繊維を含むことを特徴とする請求項6から8のいずれか1項に記載の構造体。
- 前記構造体は、翼体であり、
前記第2の複合材に含まれる前記繊維の繊維方向は、前記翼体の翼長方向におけるベクトルが長く、前記翼長方向に直交する翼幅方向におけるベクトルが短いことを特徴とする請求項6から9のいずれか1項に記載の構造体。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016026262A JP6516693B2 (ja) | 2016-02-15 | 2016-02-15 | 構造体の設計方法 |
| PCT/JP2016/086792 WO2017141526A1 (ja) | 2016-02-15 | 2016-12-09 | 構造体の設計方法及び構造体 |
| US16/077,246 US20190050521A1 (en) | 2016-02-15 | 2016-12-09 | Method for designing structure, and structure |
| EP16890663.4A EP3418922A4 (en) | 2016-02-15 | 2016-12-09 | STRUCTURE DESIGN PROCEDURE AND STRUCTURE |
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| JP2016026262A JP6516693B2 (ja) | 2016-02-15 | 2016-02-15 | 構造体の設計方法 |
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| JP2017146673A true JP2017146673A (ja) | 2017-08-24 |
| JP2017146673A5 JP2017146673A5 (ja) | 2019-02-07 |
| JP6516693B2 JP6516693B2 (ja) | 2019-05-22 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019077834A1 (ja) * | 2017-10-17 | 2019-04-25 | Jfeスチール株式会社 | 積層複合部材の形状最適化解析方法及び形状最適化解析装置 |
| KR20220011452A (ko) * | 2020-07-21 | 2022-01-28 | 울산과학기술원 | 머신 러닝을 이용하여 복합재 설계를 위한 섬유의 설계 파라미터를 설정하는 방법 |
| KR20220011453A (ko) * | 2020-07-21 | 2022-01-28 | 울산과학기술원 | 머신 러닝을 이용하여 복합재 센서의 설계 파라미터를 설정하는 방법 |
| JP2022176915A (ja) * | 2021-05-17 | 2022-11-30 | ザ・ボーイング・カンパニー | 複合材構造物のプログラムされた表面品質のコンピュータ解析のための方法 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110991106B (zh) * | 2019-11-21 | 2021-08-20 | 华中科技大学 | 预报流体中含空腔复合材料软夹芯结构振动特性的方法 |
| JP7493139B1 (ja) | 2023-02-09 | 2024-05-31 | Jfeスチール株式会社 | 自動車車体設計方法、装置及びプログラム、並びに自動車車体の製造方法 |
| JP2025173035A (ja) * | 2024-05-14 | 2025-11-27 | Jfeスチール株式会社 | 自動車車体設計方法、自動車車体設計装置及び自動車車体設計プログラム、並びに、自動車車体の製造方法 |
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| WO2019077834A1 (ja) * | 2017-10-17 | 2019-04-25 | Jfeスチール株式会社 | 積層複合部材の形状最適化解析方法及び形状最適化解析装置 |
| JP2019074940A (ja) * | 2017-10-17 | 2019-05-16 | Jfeスチール株式会社 | 積層複合部材の形状最適化解析方法及び装置 |
| KR20200046108A (ko) * | 2017-10-17 | 2020-05-06 | 제이에프이 스틸 가부시키가이샤 | 적층 복합 부재의 형상 최적화 해석 방법 및 형상 최적화 해석 장치 |
| KR102398560B1 (ko) * | 2017-10-17 | 2022-05-13 | 제이에프이 스틸 가부시키가이샤 | 적층 복합 부재의 형상 최적화 해석 방법 및 형상 최적화 해석 장치 |
| US11494534B2 (en) | 2017-10-17 | 2022-11-08 | Jfe Steel Corporation | Layered-composite-member shape optimization analysis method and optimization analysis device |
| KR20220011452A (ko) * | 2020-07-21 | 2022-01-28 | 울산과학기술원 | 머신 러닝을 이용하여 복합재 설계를 위한 섬유의 설계 파라미터를 설정하는 방법 |
| KR20220011453A (ko) * | 2020-07-21 | 2022-01-28 | 울산과학기술원 | 머신 러닝을 이용하여 복합재 센서의 설계 파라미터를 설정하는 방법 |
| KR102376398B1 (ko) * | 2020-07-21 | 2022-03-18 | 울산과학기술원 | 머신 러닝을 이용하여 복합재 설계를 위한 섬유의 설계 파라미터를 설정하는 방법 |
| KR102472536B1 (ko) | 2020-07-21 | 2022-11-30 | 울산과학기술원 | 머신 러닝을 이용하여 복합재 센서의 설계 파라미터를 설정하는 방법 |
| JP2022176915A (ja) * | 2021-05-17 | 2022-11-30 | ザ・ボーイング・カンパニー | 複合材構造物のプログラムされた表面品質のコンピュータ解析のための方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20190050521A1 (en) | 2019-02-14 |
| JP6516693B2 (ja) | 2019-05-22 |
| EP3418922A1 (en) | 2018-12-26 |
| EP3418922A4 (en) | 2019-02-27 |
| WO2017141526A1 (ja) | 2017-08-24 |
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