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Altair Inspire PolyFoam 2021.2.0 | 2.5 Gb
The Altair Inspire products development team is pleased to announce the availability of PolyFoam 2021.2.0. This release includes new features and enhancements.
Altair Inspire PolyFoam 2021.2.0 release notes
Altair Inspire PolyFoam 2021.2 includes the following new features and enhancements.
Foaming Multi-Physical blowing agent (PBA)
The actual blowing process of rigid PU foam is the physical blowing process in which a low-boiling liquid incorporated in the reaction mix is vaporized due to the heat of the reaction. Various PBA is used together or alone for responding to global climate change and good properties such as low-temperature foaming and low thermal conductivity. Since only one type of PBA could be set in the previous version, a new feature was added to enable multiple PBAs for user convenience in this version.
Users can set the number of physical blowing agents in the Mixing ratio tab of Materials window like the figure below. Material properties such as density, specific heat, conductivity, boiling temperature, and molecular weight need to be input as many as the number of PBA.
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Isocyanurate reaction (PIR)
Analysis results now include an isocyanurate reaction result type. Poly-isocyanurate (PIR) foam is recognized as the efficient thermoinsulations utilized for constructions. Manufacturing processes of PIR foams are like those of rigid polyurethane (PUR) foams . Isocyanurate linkages are formed by cyclotrimerization of excess isocyanate compounds using suitable trimerization catalysts. The outstanding properties of PIR foams are inherent thermal stability and low flammability.
PIR reaction can be described by the following formula. There is a very complex reaction mechanism, but a simplified reaction equation is used for modeling.
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- A: Pre-exponential factor
- E: Activation energy of reaction
- dH: Heat of reaction
- Temperature: Reaction start temperature
- Order of reaction: Order of reaction in reaction kinetics (n)
Fluid critical gelling ratio
Fluid critical gelling ratio means the critical(limit) gelling ratio at which flow can occur. When the gelling ratio reaches this value, each element can no longer flow and does not foam, as if it had solidified. It is implemented for smooth rise at the final stage.
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Additional Changes and Enhancements for Foaming
- Mesh Volume Change Warning: Inspire PolyFoam now calls attention to removed mesh volume. A relatively small element in which the voxel mesh is fragmented or separated from the product part is automatically deleted, and Inspire PolyFoam informs the user. Remeshing may be necessary if the volume removed is greater than 1%.
.. If Removed Volume% == 0: Nothing is shown
.. If Removed Volume% <= 0.1%: Informational dialog appears
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- Prefill Mass and Smooth Mesh for Pouring Cup Test: When analyzing the cup model for D/B, a function was added so that the amount of the PU solution can be entered as a mass to improve user convenience. Also, the Smooth Mesh option in Run Analysis is turned on automatically for cup test to ensure the accuracy of the results.
- Square Vents Table: Square vents can now be viewed in a table.
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Geometry View Cube
A new navigation cube has been added to the view controls in the lower left corner of the modeling window, replacing the old View Rotator.
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- Clicking a major face (Top, Bottom, Right, Left, Rear, or Front) rotates the model to the nearest possible orientation of that face. If that orientation is not the standard, clicking the face again re-aligns the model back to the standard orientation. If the orientation is already standard, repeated clicks on a major face reverses the view.
- Clicking the arrows incrementally rotates the view. Left- and right-clicking increments by + and - 15 degrees while middleclicking increments by 90 degrees.
- The display and behavior of the View Cube can be adjusted in the Preferences under File→Preferences→Inspire→Visualization.
Extrude Tool
Use the Extrude tool to sketch profiles in one or two directions. Create a new part or combine, subtract, or intersect the extruded shape with existing parts.
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Pattern Tool
Use the Pattern tools to create a linear or circular pattern of parts or faces.
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Offset Tool
Use the Offset tool on the Geometry ribbon to offset parts or surfaces.
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Additional Changes and Enhancements for Geometry
- The sketch Intersect tool can now be applied to parts or surfaces.
- Inspire now reads surface color meta data from Catia files.
Resolved Issues - Analysis showed the same results after changing the initial temperature of the foam part: This issue has been resolved, and now changes to the initial temperature of the foam part will affect the analysis results.
- PU disappeared in thin-layered areas when foaming starts: The mass balancing algorithm has been upgraded to preserve mass conservation.
- Excessive analysis calculation time under certain conditions: The algorithm for movement and correction of fluid has been upgraded.
- Air pockets in PU foam caused solver to crash: The code has been upgraded to prevent crashing under these conditions.
- The tab label “Foam Thixo Model” in the Materials window was unclear to many users: Changed the tab label to “Foam Rheology Model” for clarity.
- ‘Run at model location’ option did not work: This issue is fixed.
- The nozzle table showed only the first line: This visualization issue is fixed
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Altair a global technology company providing solutions in product development, high-performance computing (HPC), and data analytics, announced the acquisition of S&WISE Co., Ltd., a Seoul-based leading provider of polyurethane foaming simulation.
The acquisition will allow Altair to offer customers the most advanced solution for polyurethane foam processing on the market. S&WISE accurately simulates the injection, foaming, and gelling processes, accounting for the important effects of chemical reactions during the process. An enhanced version of S&WISE’s solver released within Altair Inspire PolyFoam, providing the ease-of-use and productivity of other Inspire solutions.
Inspire PolyFoam is the newest simulation analysis tool of Altair. It is an integral part of Inspire for manufacturing platform. With Inspire Polyfoam, learn and perform a mold filling simulation and evaluate design concepts.
Inspire PolyFoam software predicts polyurethane reaction phenomena during the foaming process such as injection, foaming, curing and post-foaming considering chemical reactions and physical reactions. Inspire PolyFoam can predict the foaming pattern, heat and mass transfer including density distribution and temperature distribution according to the foaming component that affects the quality of the product.
Polyurethane Foam Simulation - Altair Inspire PolyFoam
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 Inspire PolyFoam
Version: 2021.2.0 Build 1375
Supported Architectures: x64
Website Home Page : www.altair.com
Languages Supported: english
System Requirements: PC *
Size: 2.5 Gb
* System Requirements: Platform support and system requirements
The recommended computer configuration is an Intel I7 or I9 or Xeon based computer; 4-cores (8-threads); 16 GB of memory; OpenGL compatible graphics card with OpenGL 3.1 or later; running Microsoft Windows 10 (64-bit only).
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