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  • 關于轉(zhuǎn)向節(jié)的翻譯

    懸賞分:20|
    MODEL DESCRIPTION
    The solid finite element model of the knuckle has been built using a second order solid tetrahedron element. The model has 27,832elementand 47,291 nodes. The loads are applied at the upper, lower and tierod ball joints. The loads are applied using dummy springs and displacements. We have three dummy springs (representing each of the three directions) at each of the knuckle vertical load points. One end of the springs is attached to the knuckle while the other end is free to move only in one direction. A specified displacement is given at that end to generate a suitable load. A preliminary NASTRAN stress analysis of the FE model took about 00:24:01 hours on a Power Challenge SGI system. The Ⅰorder FE model of the knuckle had only 7,265nodes and it took only00:05:22hours for a baseline run.
    Shape vectors, which are the most important inputs for shape optimization, were generated using‘Autodv’. The method is as follows. A group of elements are first identified
    知識庫標簽: |列兵
    模型說明
    這一堅固的轉(zhuǎn)向節(jié)模型是由堅固的二級四面體單體元素做成的。模型包括27,832個單體元素和47,291個節(jié)點。受力點分布在上部、下部和拉桿的球形連接點上。作用力來自于彈簧模型和移位。我們在每一個轉(zhuǎn)向節(jié)的垂直受力方向設置了三個彈簧模型,(分別代表三個不同的方向)。彈簧的一端和轉(zhuǎn)向節(jié)相連而另一端可以在一個方向上自由移動。如果給彈簧的末端施以指定的移動使其受力,根據(jù)應力學基本軟件的力學分析 FE 模型就會有大約00:24:01小時的動力產(chǎn)生來挑戰(zhàn) SGI 系統(tǒng)。一序列 FE 型的轉(zhuǎn)向節(jié)只有7,265個節(jié)點,它的基準線運動只需要00:05:22小時。
    使用模型,是優(yōu)化機構(gòu)的重要方法,這樣的模型被叫做 Autodv。這種方法如示。一組基本元件得到了首先確認。
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