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;Two major classes of vehicle level applications
External Aero –Vehicle aero performance analysis
Underhood Thermal Management (UTM) –Vehicle thermal performance
under various operating conditions
Basic UTM, also known as Front End Cooling (FEC) –Front end flow distribution and heat exchanger performance
Full UTM –Superset of FEC. Fully coupled Conjugate Heat Transfer (CHT) thermal analysis on entire vehicle
?Challenges in vehicle level applications
Preprocessing –Complex geometry, dirty CAD, high requirements on
Meshing
Complex numerical models and boundary condition
Fast turn around
?ACT for Vehicle Applications
Integrated and streamline workflow for both External Aero and UTM
Semi-automated meshing and case setup process
Apply best practice on various applications
Possible to achieve full automation with deep customizations;Automated pre-process using Fluent Meshing
Wrapping and volume meshing on complex industrial models
Supporting UTM, External aero, Front end cooling simulation
Fast case setup with best practices applied on different applications
Integrated workflow with minimum user inputs
Excel worksheet created along with the process to record
and reuse the input
Input for Advwrap
Faceted representation of the model in Fluent Meshing
Proper part management for engineering analysis
Objective of numerical study: flow distribution, aero
performance or thermal analysis;平台支持
ANSYS FLUENT R17.0 and above
Microsoft Excel
OS: Windows only;工作流程;导入几何与设定分析目的;设定分析区域(Material Point)
和尺寸函数;Wrapping和体网格参数定义;网格生成;计算条件设置;计算条件设置;Color coded to show name pattern
Be able to all thermal related boundary conditions on Walls including wall type, shell conduction,
convection and radiation
Be able to check wall settings and give warning messages to avoid human error
Reuse exist CSV file to reset the case for design changes;用户案例;Use of Analysis tool to evaluate DFAC’s baseline
revised truck cooling system design;几何;设置;针对基准设计的验证;流场和温度场;;2016版本的改进;感谢聆听!
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