PROBLEM TO BE SOLVED: To reduce calculation costs for optimum design by enhancing structural efficiency of partial reinforcement design for an opening.SOLUTION: The present invention relates to an opening reinforcement method for an axial pressure reinforcement rib cylindrical shell with respect to a design field of a main load resistant member of an aerospace structure, and the opening reinforcement method for the axial pressure reinforcement rib cylindrical shell includes the steps of: sectioning the axial pressure reinforcement rib cylindrical shell including an opening into an opening distal region and an opening vicinity region; structuring an equivalent rigid model in the opening distal region and also structuring a precise geometric model in the opening vicinity region so as to obtain a mixed analytic model of the axial pressure reinforcement rib cylindrical shell; and checking an optimization result by optimizing opening reinforcement as to the axial pressure reinforcement rib cylindrical shell.SELECTED DRAWING: Figure 1
【課題】開口の部分補強設計の構造効率を高め、最適化設計の算出コストを削減する。【解決手段】本発明は、航空宇宙構造における主耐荷部材の設計分野において、軸方向圧力補強リブ円筒殻における開口補強方法であって、当該軸方向圧力補強リブ円筒殻における開口補強方法が、開口を含む軸方向圧力補強リブ円筒殻を開口遠方領域と開口付近領域に区分するステップと、開口遠方領域に等価剛性モデルを構築し、開口付近領域に精密な幾何モデルを構築して、軸方向圧力補強リブ円筒殻の混合分析モデルを得るステップと、軸方向圧力補強リブ円筒殻について開口補強の最適化を行い、最適化結果をチェックするステップと、を含む。【選択図】図1
OPENING REINFORCEMENT METHOD FOR AXIAL PRESSURE REINFORCEMENT RIB CYLINDRICAL SHELL
軸方向圧力補強リブ円筒殻における開口補強方法
2016-12-28
Patent
Elektronische Ressource
Japanisch
IPC: | G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen |