BIM(Building Information Modeling)是基于三维数字设计解决方案所构建的"可视化"数字建筑模型,而网页处理大规模3D场景有一定的性能缺陷。现在探索提出了BIM与Web大规模场景结合的绘制方案。首先,对大规模BIM数据进行体素...BIM(Building Information Modeling)是基于三维数字设计解决方案所构建的"可视化"数字建筑模型,而网页处理大规模3D场景有一定的性能缺陷。现在探索提出了BIM与Web大规模场景结合的绘制方案。首先,对大规模BIM数据进行体素化处理,然后通过区域划分将数据划分为多个连通区域,最后使用基于视锥增量式关注域(Frustum Of Interests)对一个连通区域的数据加载进行进一步的性能优化,提出了一整套的加载方案。最终通过实验,证明了方案的有效性。展开更多
A mathematical model comprising of nonlinear reaction, diffusion, and convection mechanisms seen in natural and anthropogenic processes is numerically investigated here. It is proposed that a higher order numerical sc...A mathematical model comprising of nonlinear reaction, diffusion, and convection mechanisms seen in natural and anthropogenic processes is numerically investigated here. It is proposed that a higher order numerical scheme of finite difference method be used in conjunction with an iterative approach in order to solve the nonlinear one dimensional convection-diffusion-reaction equation. To account for the wide variety of physical characteristics and boundary conditions, an iterative approach is presented that yields a reliable and precise solution every time. We examined the accuracy and operational efficiency of two distinct finite difference approaches. The efficiency of the system is determined by comparing the estimated results to the appropriate analytical solution by adhering to established norms. Coherence and convergence were analyzed for each approach. The simulation results demonstrate the efficacy and accuracy of these methods in solving nonlinear convection- diffusion-reaction equations. Convection-diffusion-reaction equation modeling is critical for employing the offered results in heat and mass transport processes.展开更多
文摘BIM(Building Information Modeling)是基于三维数字设计解决方案所构建的"可视化"数字建筑模型,而网页处理大规模3D场景有一定的性能缺陷。现在探索提出了BIM与Web大规模场景结合的绘制方案。首先,对大规模BIM数据进行体素化处理,然后通过区域划分将数据划分为多个连通区域,最后使用基于视锥增量式关注域(Frustum Of Interests)对一个连通区域的数据加载进行进一步的性能优化,提出了一整套的加载方案。最终通过实验,证明了方案的有效性。
文摘A mathematical model comprising of nonlinear reaction, diffusion, and convection mechanisms seen in natural and anthropogenic processes is numerically investigated here. It is proposed that a higher order numerical scheme of finite difference method be used in conjunction with an iterative approach in order to solve the nonlinear one dimensional convection-diffusion-reaction equation. To account for the wide variety of physical characteristics and boundary conditions, an iterative approach is presented that yields a reliable and precise solution every time. We examined the accuracy and operational efficiency of two distinct finite difference approaches. The efficiency of the system is determined by comparing the estimated results to the appropriate analytical solution by adhering to established norms. Coherence and convergence were analyzed for each approach. The simulation results demonstrate the efficacy and accuracy of these methods in solving nonlinear convection- diffusion-reaction equations. Convection-diffusion-reaction equation modeling is critical for employing the offered results in heat and mass transport processes.
