ScreenShots:
Software Description:
HyperWorks Virtual Wind Tunnel is a verticalsolution for external aerodynamics. The streamlined workflow incombination with customizable automatic result reporting ensuresquick turnaround times during the development cycle.
Altair’s HyperWorks Virtual Wind TunnelTM (HyperWorks VWT) is a newsolution designed to provide better wind tunnel simulationtechnology and user experience. With a highly automated andstreamlined workflow process and high quality CFD technology,Altair’s HyperWorks VWT is able to more accurately and quicklypredict an automobile’s aerodynamic performance.
Benefits
Accurate, Robust and Scalable CFD Solver:
HyperWorks VWT is powered by Altair’s computational fluid dynamicssolver, AcuSolve®, a general-purpose, finite element based flowsolver providing fast turnaround times, accuracy androbustness.
Architected for parallel execution on shared and distributed-memorycomputer systems, using a hybrid parallelization technique,AcuSolve provides fast and efficient transient and steady-statesolutions for unstructured grids, and it is capable of scaling overa large number of computing cores.
HyperWorks VWT utilizes Reynolds-Averaged Navier-Stokes (RANS) andDetached-Eddy Simulation (DES) technology to model turbulent flowsand to predict the flow field. DES technology combines fine-tuned,statistical RANS technology for modeling near walls and attachedboundary layers with the ability of large-eddy simulation (LES) tomodel the separated regions in the wake behind the vehicle.Accurate external aerodynamics results are achieved for both,steady-state simulation using the RANS approach when physics allowsand transient simulation using the DES approach.
AcuSolve’s fluid structure interaction (FSI) capabilities areincluded in VWT to support studies of flexible components in anexternal flow field.
Rotating parts, e.g. wheels, are modelled by prescribing atangential wall velocity to include rotational effects into thesimulation. For automotive use cases, heat-exchangers or condensersare modelled with a porous material model to consider the pressuredrop through the components. The fluid material used during thesimulation is defined via density and viscosity, and can be adaptedto model for example water or air at a specific temperature.
Advanced Meshing
HyperWorks VWT comes with a fast and efficient unstructured volumemesher including boundary layer generation. User defined volumemesh refinement zones are used to create a locally refined volumemesh to capture important flow phenomena, e.g. the wake of avehicle or a building. Parameters for boundary layer meshing can bedefined globally or on a part basis to have maximum control of thetotal element count and use refined layers only in regions where itis necessary. Volume meshing for an external automotiveaerodynamics analysis (including underbody, underhood compartmentand boundary layers) is typically done in a few hours.
Highly Automated and Streamlined WorkflowProcess
VWT comes with a friendly and intuitive user environment. It is anall-in-one environment where users can import the surface mesh(water tight mesh), set up the problem, submit the simulation andobtain a final report.
The setup process is highly automated, with a minimum number ofparameters, and without compromising the solution quality.Additional controls over the various parameters are provided in theuser environment.
The simulation can be easily submitted to high-performancecomputing systems to expedite memory and compute-intensive taskssuch as volume meshing, solving and post-processing.
A report containing problem setup, mesh statistics and results isgenerated automatically after completion of the simulation. Inaddition, advanced CFD post-processing may be performed for themost complex and large CFD data visualization, interactively or viabatch processing mode.
Capabilities:
Pre-processing
– Meshing
– Predefined mesh settings available, coarse/medium/fine
– User defined volume refinement zones, also for individualparts
– User defined Boundary Layer (BL) parameters, globally oron part basis.
– Exclude parts from BL growth to reduce total elementcount
– Advanced BL meshing algorithms to deal with complexgeometry
– Analysis setup
– Definition of rotating wheels or radiators with a fewmouse clicks
– Option for moving wind tunnel ground
– Automatic computation of vehicle’s frontal referencearea
Solver
– Based on Altair’s CFD solver AcuSolve
– Low requirement on element quality
– High scalability even for low mesh-node/compute-noderatio
– Robust Fluid-Structure-Interaction (FSI) capabilities
– Transient & steady state simulation
– RANS and DES turbulence modeling
Post-Processing
– Automatic report generation containing
– Summary of case setup
– Mesh statistics
– Numerical results, e.g. drag coefficient or y+ plots
– User defined sections with contour plots
– User defined probe points to monitor the evolution of theflow field in a particular location
Installer Size: 660 MB
Download Links : Altair HyperWorks Virtual Wind Tunnel v2017.1 x64 + Crack