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THE AUTOSIM PROJECT Fig.4.5.6.2 Imported CAD (left) and wrapped surface (right) with detailed feature retention and implicit small-scale de-featuring • Surface Meshing: o BPs determine where and to what level to refine surface meshes. • Volume Meshing: o Polyhedral meshing (BT) contributes enormously to ease of volume-mesh generation, accuracy and robustness of the CFD solution. BPs determine where and to what level to refine volume meshes. Surface extrusions (BP) are a necessity for boundary-layer resolution. o Multi-Domain meshing (BT) is essential for certain types of Multi-physics analysis such as conjugate-heat-transfer (CHT) and fluid-structure interaction (FSI). BPs determine which domain requires what level of volume meshing. Continuous and fully connected meshes (BP) ease solver issues between the multiple domains/physics. See examples in Fig. 4.5.6.3. • Analysis: o Best Practices determine best use of mesh types, discretisation practices, physical model practices, and boundary conditions. Dependency analyses are always encouraged to evaluate, verify and validate the modelling practices. SIXTH FRAMEWORK PROGRAMME PRIORITY [6.2] [SUSTAINABLE SURFACE TRANSPORT] 012497 AUTOSIM 55 |
CURRENT & FUTURE TECHNOLOGIES IN AUTOMOTIVE ENGINEERING SIMULATION o Multi-Physics (BT), either through coupled or integrated solver analysis. Uses of other BTs are highly encouraged, such as polyhedral meshes and continuous multi-domain meshing. Fig.4.5.6.3: Turbocharger compressor and turbine complete assembly (top right), continuous multi-domain meshing incorporating fluid-side surface mesh extrusions (bottom left), flow and thermal solutions (right) Pipelined processes, embedded in integrated software environments, are demonstrating the way forward to realise a new paradigm for simulation driven, up-front design and analysis. 56 | SIXTH FRAMEWORK PROGRAMME PRIORITY [6.2] [SUSTAINABLE SURFACE TRANSPORT] 012497 AUTOSIM
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Current & Future Technologies in Au
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4.5 How To Move On ................
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CURRENT & FUTURE TECHNOLOGIES IN AU
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Download - Autosim Autosim

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