ANSYS CFD在旋转机械领域的应用.pptx

;目录;叶轮机械的范围;叶轮机械设计流程;目录;已有功能：零维设计;已有功能：三维叶型设计;已有功能：三维叶型编辑;;目录;;Improved Turbo Setup Component;目录;;Mesh Quality →Enhanced tip topology →Improved boundary layer mesh resolution control;“Limit Aspect Ratio” in Inlet/Outlet block;实现CAD文件导入并可具有圆角;目录;;稳态仿真;瞬态仿真的必要性;TBR方法解决的问题;ANSYS TBR;变量分布在交界面按角度比缩放，确保通量守 恒;? 进口扰动，单级，多级 o 中等角度比;;TBR模型持续不断的增速;后处理界面内的实时监视;Determine blade response due to excitation from neighboring blade rows to calculate fatigue life. Harmonic pressure loads mapped from CFD results.;颤振分析 Determine if the blade could enter self-sustained harmful vibration (flutter), due to cyclic loading when its undergoing vibration at natural frequency;颤振分析;CFX 由复杂模态形成的周期运动;感谢聆听!