本文件概述了使用CFD方法对重量超过10000磅的中型和重型商用地面车辆进行空气动力学模拟的一般要求。本文件提供了使用CFD方法进行空气动力学模拟的指南，以支持当前的车辆特征描述、车辆开发、车辆概念开发和车辆部件开发。文件中提供的指南与基于Navier-Stokes和Lattice Boltzmann的解算器相关。本文件仅适用于上述CFD方法和应用类别。其他类别的方法和应用可能适用于或可能不适用于模拟重量超过10000磅的中型和重型商用地面车辆的空气动力学。

This document outlines general requirements for the use of CFD methods for aerodynamic simulation of medium and heavy commercial ground vehicles weighing more than 10000 pounds. The document provides guidance for aerodynamic simulation with CFD methods to support current vehicle characterization, vehicle development, vehicle concept development, and vehicle component development. The guidelines presented in the document are related to Navier-Stokes and Lattice-Boltzmann based solvers.This document is only valid for the classes of CFD methods and applications mentioned. Other classes of methods and applications may or may not be appropriate to simulate the aerodynamics of medium and heavy commercial ground vehicle weighing more than 10000 pounds.