By means of effective loadp_e and effective impulse I_3,the influence of loading area and pulse shape on the final deflections ofcircular cylindrical shells,beams and simply supportd circular plates are studied,“ loading areafactors”for the structures mentioned above are presented.
借助于有效载荷和有效冲量的概念,研究了中载情况时载荷作用区域和形状对加固圆柱壳、简(固)支梁及简支圆板最终位移的影响,给出了对应于上述三种结构元件在不发生剪切失效的情况下表征载荷区域影响的“载荷区域因子”。
The flow filed around the pored flat structure near the explosive,and the relation between effective impulse of the flat and the pored position or the loading history were analyzed.
对近炸药处开孔平板结构周围流场状态,平板所受有效冲量与平板开孔位置、加载历史的关系进行了计算和分析。
Calcultion of parameters of uniform-strength multistage sucker rod string and effective stroke of pumping unit;
等强度多级抽油杆参数和有效冲程计算
The minimal binary multiplication, impulse equivalency, energy equivalency methods were used to process p(t) relational expression to get two kinds of calculation formula for the effective destructive radius as follows:R s=0.
现采用 1kg TNT当量药包 ,进行浅水爆炸试验 ;应用最小二乘法、冲量等效、能量等效方式处理 p(t)关系式 ,得到二种有效破坏半径的计算公式 :Rs=0 。
On the basis of impulse fundamentals and short offset theory,a calculation method and its model of missile hit error generated by after-working impulse are given.
后效冲量误差是引起弹道导弹飞行弹道误差和命中误差的一个重要误差源。
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