鋁蜂窩夾層結構抗沖擊性能試驗與數(shù)值研究

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摘要：以鋁蜂窩夾層結構為研究對象，通過設計固持結構，采用高速沖擊試驗系統(tǒng)，開展鋁蜂窩夾層結構高速沖擊試驗;建立鋁蜂窩夾層結構數(shù)值模型，開展高速沖擊數(shù)值模擬研究，依據(jù)試驗結果對數(shù)值模擬方法進行確認，分析沖擊過程中鋁蜂窩夾層結構中鋁板與蜂窩結構能量吸收與轉化規(guī)律及其相互關系。

關鍵詞：鋁蜂窩夾層結構;抗沖擊性能;能量吸收;數(shù)值研究

中圖分類號：TB331

文獻標志碼：A文章編號：1001-5922（2022）08-0142-04

Experimental and numerical study on impact resistanceof aluminum honeycomb sandwich structure

ZHANG Sheng，CHEN Wei，GAO Deping

（Key Laboratory of Aerospace Power System， College of Energy and Power Engineering，

Nanjing University of Aeronautics and Astronautics， Nanjing 210016， China）

Abstract：Taking the aluminum honeycomb sandwich structure as the research object， the high-speed impact test of aluminum honeycomb sandwich structure is carried out by designing the retaining structure and adopting the high-speed impact test system; Establish the numerical model of aluminum honeycomb sandwich structure， carry out high-speed impact numerical simulation research， confirm the numerical simulation method according to the test results， and analyze the energy absorption and transformation law of aluminum plate and honeycomb structure in the aluminum honeycomb sandwich structure and their relationship during the impact process.

Key words：]aluminum honeycomb sandwich; impact resistance; energy absorption; numerical investigation

鋁蜂窩夾層結構作為典型大涵道比渦扇發(fā)動機風扇機匣重要組成部分，其抗沖擊性能成為國內外研究重點。（剩余5702字）