Terramechanics and off-road vehicles
Terramechanics and off-road vehicles
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发表时间：
1989
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通讯作者：
J. Wong
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作者：
J. Wong
术语。1。介绍。地形力学的作用。地形力学中的一些基本问题。地形力学方法。2. 地形行为测量。锥形贯入仪技术。Bevameter技术。3. 地形对正常和重复载荷的响应特征。矿物地形的响应。火枪的反应。积雪的响应。4. 地形剪切特性的表征。剪切应力-位移关系表征。不同地形类型的剪切特性。反复剪切荷载作用下的地形特性。5. 履带车辆性能预测与评价方法。实证方法。理论方法。参数分析方法。6. 履带车辆性能评价的计算机辅助方法。轨道下正态压力分布的预测方法。偏离轨道的形状。轨道下剪应力分布预测。剪切应力对正态压力分布的影响。预测运动阻力和拉杆拉力。实验证实。预测与实验结果的比较。7. 计算机辅助方法在履带车辆设计与性能参数化分析中的应用。轨道系统结构对牵引性能的影响。悬架特性对牵引性能的影响。初始粘性张力对牵引性能的影响。车辆重量对牵引性能的影响。重心位置对牵引性能的影响。车辆离地间隙对牵引性能的影响。链轮位置对牵引性能的影响。讨论。8。轮式车辆性能预测与评价方法。实证方法。理论方法。Bekker发展的半经验方法。轮胎和轮式车辆性能预测方法的研究进展。轮胎性能评价的计算机辅助方法。轮式车辆性能评价的计算机辅助方法。轮式车辆性能参数化评价的计算机辅助方法应用。有限元技术在轮胎建模中轮胎-地形相互作用分析中的应用。参考文献。索引。
Nomenclature. 1. Introduction. Role of terramechanics. Some basic issues in terramechanics. Approaches to terramechanics. 2. Measurement of Terrain Behavior. Cone penetrometer technique. Bevameter technique. 3. Characterization of the Response of Terrains to Normal and Repetitive Loadings. Response of mineral terrains. Response of muskegs. Response of snow covers. 4. Characterization of the Shearing Behavior of Terrains. Characterization of the shear stress-displacement relationships. Shearing behavior of various types of terrain. Behavior of terrain under repetitive shear loading. 5. Methods for Predicting and Evaluating Tracked Vehicle Performance. Empirical methods. Theoretical methods. Methods for parametric analysis. 6. Computer-Aided Methods for Evaluating Tracked Vehicle Performance. Approach to the prediction of normal pressure distribution under a track. The shape of the deflected track. Prediction of shear stress distribution under a track. Effects of shear stresses on the normal pressure distribution. Prediction of motion resistance and drawbar pull. Experimental substantiation. Comparison of predictions with experimental results. 7. Applications of the Computer-Aided Method to the Parametric Analysis of Tracked Vehicle Design and Performance. Effects of track system configuration on tractive performance. Effects on suspension characteristics on tractive performance. Effects of initial tack tension on tractive performance. Effects of vehicle weight on tractive performance. Effects of the location of the centre of gravity on tractive performance. Effects of vehicle ground clearance on tractive performance. Effects of sprocket location on tractive performance. Discussions. 8. Methods for Predicting and Evaluating Wheeled Vehicle Performance. Empirical methods. Theoretical methods. Semi-empirical methods developed by Bekker. 9. Developments in the Methods for Predicting the Performance of Tires and Wheeled Vehicles. Computer-aided method for evaluating the performance of tires. Computer-aided method for evaluating the performance of wheeled vehicles. Applications of the computer-aided method for parametric evaluation of wheeled vehicle performance. Applications of the finite element technique to tire modelling in the analysis of tire-terrain interaction. References. Index.