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壓電材料控制懸臂梁升力面顫振研究——利用壓電材料建立了單輸入單輸出理論模型并得到顫振方程及其狀態(tài)空間方程。同時應(yīng)NASTRAN、MATLAB計算軟件和自行編制的程序進行了氣動力擬合,并且對模型的結(jié)構(gòu)動力學(xué)特性及顫振特性進行了分析。計算結(jié)果表明,通過主動控...
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Construction Workmanship Flow Chart for Cantilever Beam Precast 2#(2`#) beam bottom web reinforcement support Precasted reinforcement centering of 0#.1#.1’# beam Moving inner support, installing 2#.2`# beam and top plate steel Survey elevation after grouting concrete Survey elevation of observed point before extension Surrey elevation of observed pointbefor grouting concrete Making travelin