...stitute）的UniFormat中所定义的建筑元件，定义相对应模型元件在工程生命周期不同阶段的LOD 与负责作者（Model Element Author），但却并未提出更明确且实质的模型元件LOD定义。
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Aiming at the randomicity of concrete crack, the author adopt the randomicity finite element model and Monte-Carlomethod to simulate the randomicity of material character and crack distribution.
针对材料性能的随机性和裂缝分布的随机性，引入了随机性模型，采用蒙特卡罗法来模拟其随机性。
In this paper the author offers the force model for the head sheave of a mine hoist. It calculates and analyzes its strength and stiffness with the Fimite Element Method.
介绍了剖分式天轮的力学模型，并用有限元方法对天轮及螺栓进行了强度和刚度计算分析。
By using finite element simulation method and plastic distortion theory, the author analyzes the principle of the stretch bending forming and builds finite element model of rotary stretch bending.
本文采用有限元模拟的方法，结合金属成形的塑性变形理论，深入分析了拉弯的成形机理，建立了用于转台式拉弯成形模拟的有限元模型。
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