自适应网格加密(Adaptive Mesh Refinement, AMR)是一种在数值模拟中动态调整网格密度的方法。它根据计算域中的物理量梯度、流场特征或误差估计来自动加密网格,从而在关键区域提高计算精度,而在非关键区域保持较粗的网格以节省计算资源。 2. 介绍OpenFOAM中自适应网格加密的功能 OpenFOAM是一个开源的计算流体动力学(CFD...
Adaptive mesh refinementLarge eddy simulationOpenFOAMWe address the challenge of resolving wide spatial scale ranges in fire simulations through the development of a new OpenFOAM-based adaptive mesh refinement (AMR) computational capability for large eddy simulations of turbulent diffusion flames. The AMR...
using several billion cells on a statically refined mesh [17]. To effectively tackle the above challenges we use and significantly enhance the OpenFOAM C++ library. This contribution bases on the following objectives: 2. Adaptive mesh refinement To dynamically obtain high accuracy only where ...
基于OpenFOAM开发的界面捕捉法和拉格朗日方法双向耦合和转化的求解器计算了底吹钢包内渣层波动和渣滴形成等行为,可针对小尺度渣滴进行跟踪求解,并实现了渣滴和界面融合的捕捉,实现了针对渣滴的精细化捕捉,分析了表面张力的影响。在对相结构进行精细化捕捉的同时节约计算资源。 The slag droplet entrainment is a commo...
今天分享一个用动网格(Dynamic Mesh)细化(Refine)网格的算例,这种技术被 Ansys Fluent 称为自适应网格(Adaptive Mesh Refinement)。如下图所示,红…阅读全文 赞同20 7 条评论 分享收藏 interFoam 动网格算例导读 - 浮体 在OpenFOAM 6.0 中,曾经的 interDyMFoam 并入了 interFoam,但是 Open...
// 网格加密的最大层数maxRefinement2; // 最大的网格数量,避免网格总数过于巨大导致内存爆炸maxCells400000; // 需要校正的通量字段列表。 对于指定的通量场和相应的速度场。通过对速度进行插值,重新计算在面上更新的通量。对不需要重新插值的surfaceScalarFields上使用“ none”correctFluxes( ...
What is required to make adaptive mesh refinement work? See version-10 and version-11 of the Foundation Version of OpenFoam; Eric Daymo: successful in making adaptive mesh refinement work using functionObjects ion Foundation version; further verification is required; ...
MARCH 10-12-14 Moving meshes, rigid body motion, adaptive mesh refinement, and overset meshes * Review session + Q&A session All the training sessions will be delivered using OpenFOAM 12(www.openfoam.org). The training sessions related to overset meshes will be delivered using OpenFOAM 2312(...
►meshReader ►meshRefinement ►meshSearch ►meshSearchFACE_CENTRE_TRISMeshObject ►meshSearchMeshObject ►meshStructure ►meshToMesh ►meshToMesh0 ►meshToMeshData ►meshToMeshMethod ►MeshWave ►meshWriter ►messageStream ►metisDecomp ►metisLikeDecomp ►MGridGenGAMGAgglomeratio...
►meshDualiser ►meshedSurf ►MeshedSurface ►MeshedSurfaceProxy ►meshedSurfRef ►meshObject ►MeshObject ►meshReader ►meshRefinement ►meshSearch ►meshSearchFACE_CENTRE_TRISMeshObject ►meshSearchMeshObject ►meshStructure ►meshToMesh ►meshToMesh0 ►meshToMeshData ►mesh...