built-up truss 中文意思是什麼
built-up truss
解釋
組合桁架-
In a similar way, a three-dimensional truss can be built up of tetrahedra.
採用類似的療法，空間架可以由四面體構成。 -
A spatial deployable truss structure was studied by the ways of multibody dynamics. the equation of multi body dynamics was set up with the lagrange multiplier method and the dynamics simulation models of deployable truss structures were built by adams and i - deas
空間展開桁架結構屬于多體動力學研究范疇，本文利用lagrange乘子法建立多體動力學方程，通過adams和i - deas建立空間展開桁架的多體動力學模擬模型，進行模擬計算。 -
Based on the catastrophic characters of the whole strain energy in truss structural instability, the relationship between the whole strain energy and the stress rate in the link element was educed, and the stress rate criterion for judging the instability of truss structures was built up through analyzing the changing law of stress rate
基於桿系結構發生動力失穩時的總應變能突變特徵，推導總應變能同桿單元應力變化率之間的關系，並分析應力變化率的變化規律，建立了判定系結構動力失穩的應力變化率準則。
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