本文選題：圓柱殼 + 瞬態(tài)響應(yīng)�。� 參考：《高壓物理學(xué)報(bào)》2016年06期

【摘要】：為定量分析滑移和同步脈沖載荷下圓柱殼瞬態(tài)響應(yīng)的差異,以不同尺寸的圓柱殼為對(duì)象,分別加載滑移和同步脈沖載荷進(jìn)行數(shù)值模擬,研究了平均應(yīng)變差異隨幾何特征參數(shù)的變化規(guī)律。結(jié)果表明:對(duì)于圓柱殼結(jié)構(gòu),平均應(yīng)變差異隨徑厚比d/t變化的情況與長度相關(guān),厚度變化對(duì)圓柱殼的平均應(yīng)變差異影響較小;對(duì)于不同厚度的圓柱殼,平均應(yīng)變差異隨細(xì)長比d/l的增大而減小,當(dāng)d/l≤0.45時(shí),平均應(yīng)變差異在20%以內(nèi)。分析結(jié)果為相關(guān)試驗(yàn)設(shè)計(jì)和結(jié)果評(píng)估提供了有價(jià)值的參考。
[Abstract]:In order to quantitatively analyze the difference between the transient response of cylindrical shells under sliding and synchronous pulse loads, the different sizes of cylindrical shells were numerically simulated by loading slippage and synchronous pulse loads, respectively. The variation of average strain with geometric characteristic parameters is studied. The results show that: for cylindrical shell structure, the variation of average strain with the ratio of diameter to thickness d / t is related to the length, the variation of thickness has little effect on the average strain difference of cylindrical shell, and for the cylindrical shell with different thickness, the variation of thickness has little effect on the average strain difference of cylindrical shell. The average strain difference decreases with the increase of the slenderness ratio d / l. When d / l 鈮，

本文編號(hào)：2034282