模拟树木生长的综合力学模型  

Tree growth simulation's integrated mechanical model

作　　者：董格[1] 刘小丹[1] 孙红岩[1] 

机构地区：[1]辽宁师范大学计算机与信息技术学院,辽宁大连116081

出　　处：《计算机工程与设计》2011年第2期716-718,723,共4页Computer Engineering and Design

基　　金：国家自然科学基金项目(60873110);辽宁省高等学校优秀人才支持计划基金项目(200811833)

摘　　要：为了更好地表现树木在自然环境中的生长形态,在基于直径变化率的趋向性力学模型基础上,提出了一种模拟树木生长的综合力学模型。从树木的局部枝干出发,综合分析自然环境作用下树木生长过程中枝干的受力情况,重组环境外力的不同影响时机和权重关系,建立树枝向性生长的综合弯曲角度公式,实现综合力作用下树木生长的模拟。结合不同的生长规则,可模拟不同树种在自然环境中的生长形态。实验结果表明,该方法有较好的模拟效果。In order to show the trees better in nature, based on diameter variety rate mechanical model, tree growth simulation＇ s integrated mechanical model is proposed. Started from local branches, the force of branches in the growth process with the natural en- vironment are comprehensive analyzed, the environment force＇s different effects of timing and weight are established, and comprehensive bending angle formula for branches tropism growth is set up, tree growth simulation under comprehensive force acting on is achieved. Combined with different growth rules, the different tree species growing in natural is simulated. The experimental results show that this method has good simulation results.

关 键 词：树木模拟 L系统 直径变化率 综合力学 向性生长 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]