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An Easy Methodology for Designing Powertrain Bottom Protection in Composite Material of a Rally Car

机译：一种简单的方法，用于在拉力赛车的复合材料中设计动力总成底部保护

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In racing application, it is particularly difficult to design some vehicle components because of the uncertainty of the boundary conditions. In the present paper the design of a powertrain bottom protection of a rally car is considered and it is used as an example for developing a design methodology for complex boundary condition problems. The uncertainty of boundary conditions is due to the difficulty of measuring or estimating the load magnitude and its application point. So engineers design the component on the basis of the experience or many experimental tests. This approach is dangerous because the load history is not wide and usually difficult to be extended to every case. It becomes important for designer to have an indication that suggests to them the way they have to follow. In the present paper two main goals are pursued: providing designers with a methodology that could assimilate the impact condition to a well-known and easy-to-study static case in order to have indications about component performance and its possible damage; and developing an easy instrument for designing the composite material the protection is made of.
机译：在赛车应用中，由于边界条件的不确定性，设计一些车辆组件特别困难。在本文中，考虑了动力系底部保护的动力系底部保护，用作用于开发复杂边界条件问题的设计方法的示例。边界条件的不确定性是由于难以测量或估计负载幅度及其应用点。因此工程师根据经验或许多实验测试设计该组件。这种方法是危险的，因为负载历史并不宽，并且通常难以扩展到每种情况。设计师对设计者来说是重要的，这表明他们必须遵循它们的方式。在本文中，追求两个主要目标：为设计人员提供一种方法，可以将影响条件吸收到众所周知的且易于研究的静态案例，以便有关于部件性能的指示及其可能损坏;并开发用于设计复合材料的简单仪器保护。

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