...刊网 关键词：虚拟样机；主拱；竖转；多项式插值；动力学仿真；MSC Adams [gap=1015]Key words：virtual prototype；main arch；vertical rotation；polynomial interpolation；dynamic simulation；MSC Adams ..
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几何非线性对主拱结构稳定性能的影响不大；
The safe stability coefficient only decreased a little when taking into account geometrical nonlinearity.
飞鸟式拱的钢管混凝土主拱可简化为固定拱计算。
The main arch of "fly-bird-type" CFST arch bridge can be considered as fixed arch to calculate.
空腹式拱桥是指主拱圈和主梁之间用立柱支撑，在主拱圈以上设有腹拱的拱桥。
Empty arch bridge is the arch bridge that USES sign pillar to prop up between the main arch and main beam, and has inner-arch on the main arch.
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