Altair Flow Simulator 2021.1.0

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Altair Flow Simulator 2021.1.0

Altair Flow Simulator 2021.1.0 | 455.4 mb

The software developer Altair is pleased to announce the availability of Flow Simulator 2021.1.0 is the single, unified fluid system design tool/platform for GE Aviation’s Thermal System design, Combustion, Lube/fuel systems, and externals teams. It is rooted in decades of practical usage and experience, with aerospace-quality level validation and verification.

New Features & Enhancements

- Added ability to initialize a model using the chamber information from a results file (*.res). The pressure and temperature of internal chambers will be set from the results file. Optional capability to transfer results to the boundary chambers, fixed flow elements, and reference conditions (rotor speeds and cycle flow).

Altair Flow Simulator 2021.1.0

- New text display control added for chambers, elements, and so on.

Altair Flow Simulator 2021.1.0

- Implemented GUI inputs for new solver features: axial compressor and turbine efficiency, axial compressor and turbine choking and surge flow, vermes seal groove options, generic heat exchanger performance.
- Added input for standard compressible tube “Duct Shape”.
- Provided ability to delete a cavity from the menu displayed with Right Mouse Click on selected chamber.

Altair Flow Simulator 2021.1.0

- The “Auto Fill” option for cavity flows will now use the vermes seal radius.

- Improved .xml results file output. Including: Add units information, add element type, add vermes seal pocket information, remove extra spaces, use scientific notation format.
- Added swirl, radius, RPM and chamber number to existing UDE_GET_BOUNDARY_CONDITION function. See myelib_param_mod.f90 for valid parameter names.
- Created new UDE function for general fluid properties retrieval: UDE_GET_FLUID_PROP.
- Enhanced velocity components, swirl and velocity calculation method to SET_UDE_SOLVED_VALUE. See myelib_param_mod.f90 for valid parameter names.
- Added items to controller including gauge compressible tube fluid properties for each station; gauge vermes seal groove information; gauge compressor corrected flow, corrected speed, polytropic efficiency; manipulate compressor polytropic efficiency; gauge tank height.
- Implemented vermes seal groove input information and add a correlation based on Ref: Zimmermann, H., Wolf, K.H., "Air System Correlations Part 1: Labyrinth Seals", ASME 98-GT-206, Figure 7, Re>5000, GRV_WDTH/WT > 2, Tooth not in groove. This groove multiplier can also be changed using a controller with customer correlations.
- Provided options to axial compressor and turbine including: Efficiency vs Corr. Flow Rate vs Corr. Speed; Efficiency vs Press. Ratio vs Corr. Speed; Surge and choke limits based on mass flow.
- Implemented custom correlations capability in FORTRAN and Python for Tube (compressible, incompressible, and advanced orifice) heat transfer coefficients, HTC inlet multiplier, and friction factor; HTC for thermal convectors; Cavity surface friction.
- Improved new generic heat exchanger performance options based on “Hs” parameter.

Resolved Issues

- Fixed problem with plotting results on a thermal network when the results file is in SI units.
- Fixed problem with superscript symbols for non-English language (especially Chinese).
- Fixed crash when reading results files.
- Fixed problem of saving IGES file in the wrong units.
- Removed “Fixed” keyword from Boundary chamber display.
- Fixed cavity point resizing problem and improved with slider.

Altair Flow Simulator 2021.1.0

- Fixed problem with “Number of Streams” when plotting Total Flow in the color contour post-processing tool.
- Fixed problem with Advanced Orifice element not saving the laminar heat transfer coefficient (HTC) relation.
- Fix some xml results file issues with units and ordering.
- Vermes seal now using HCSIZE and checking against SEAT input. FS GUI has also fixed bug related to this.
- Controller was using compressible tube Dh and area in reversed order.
- Fixed Water-hammer time-stepping based on wavespeed.
- Fix problem if hot and cold side connections were flipped for heat exchanger.
- Fixed valve vena-contracta velocity output in .res file.
- Fixed combustion element Rayleigh flow problem for temperature decrease through element.

Altair Flow Simulator 2021.1.0

Flow Simulator is an integrated flow, heat transfer, and combustion design software that enables mixed fidelity simulations to optimize machine and systems design.

This fluid system design tool provides interdisciplinary modeling and optimization capabilities within a single platform for machine design with respect to fluid dynamics/thermal/combustion within a 3D design environment.

This tool allows users to import actual hardware and utilization of 3D computer aided design (CAD) point-cloud to automatically create the computational model overlaid on the machine hardware.

An extended library of preconfigured elements/components is available to model/simulate a wide-range of physical phenomena including compressible/incompressible fluid flow, buoyancy-driven flow, rotating cavity system flow, conduction/convection/radiation heat transfer, combustion equilibrium-chemistry, and species transport.

Eight combinations of analysis modes (steady state, quasi steady state, and transient analysis for fluid dynamics, thermal, and combustions) are available to predict system/subsystem run conditions during a cycle/mission simulation (flight mission, power ramp up, shut down…etc). Control system components (proportional integral derivative (PID) controllers, feedforward, and mission) can be integrated with computational model system/subsystem to optimize the simulated-machine operation during cycle/mission analysis.

Altair transforms design and decision making by applying simulation, machine learning and optimization throughout product lifecycles. Our broad portfolio of simulation technology and patented units-based software licensing model enable Simulation-Driven Innovation for our customers. With more than 2,000 employees, Altair is headquartered in Troy, Michigan, USA and operates 71 offices throughout 24 countries. Altair serves more than 5,000 customers across broad industry segments.

Product: Altair Flow Simulator
Version: 2021.1.0
Supported Architectures: x64
Website Home Page : www.altair.com
Language: english
System Requirements: PC *
Size: 455.4 mb

Minimum requirements:
- Two Processor Cores, 2 GHz
- 4 GB RAM (8 GB RAM recommended)
- 8 GB of available hard drive space
- 1024 X 768 screen resolution

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Altair Flow Simulator 2021.1.0