Force analysis of ironing mechanism of asphalt concrete paver is carried out during operation, and a dynamics model is built in hypothetical condition.
对沥青混凝土摊铺机熨平机构的作业过程详细地进行了受力分析，并在假设条件下建立了熨平机构的动力学模型。
The dynamics finite element program LS-DYNA3D is employed to simulate the high-explosive explosion experiment in granite, which has a crooked tunnel that is backfilled with concrete stemming.
采用显式动力学有限元程序LS-DYNA3D，对花岗岩介质中带拐弯坑道回填堵塞的化爆试验进行数值模拟。
Three new universal wheels is introduced. Their structure and princi pl e, characteristic of dynamics, technological conditions and the concrete applied environment are analysed.
介绍了三种新型万向轮，详细分析了它们的结构原理、动力学特点、技术条件和具体的应用环境。
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