In order to estimate the terrain trafficability of off-road vehicle, an estimating system was constructed based on VPG (virtual proving ground) technology.
为了评价越野车辆的地形通过性，建立了基于虚拟试验场技术的评价系统。
Rigid-Elastic Coupled Model of full vehicle, Acoustical-Structure Interaction Model of car body and Irregularity model of road are built using the technique of Virtual Proving Ground.
借助于虚拟试验场技术建立了用于车内噪声评价的整车刚弹耦合模型、声固耦合车身模型和不平路面模型。
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