Product Integration

VISI 18 completes the full integration of VISI Flow and now the plastic injection analysis and simulation can be launched and calculated from directly within VISI, eliminating the need of model preparation for analysis. Importantly, the calculation results are also visible within the same CAD environment providing the perfect toolset for comparing the original model against the warped prediction data after the moulding process.

All variables can be displayed in a number of ways : colour maps, graphics, numerical and animation. Graphics can also be displayed simultaneously with the part which makes it very clear where and when moulding issues occur.

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Virtual Resin Laboratory

A new 'virtual resin laboratory' has been developed for VISI 18 that allow users to create and test different kinds of resin grades which do not yet exist in the marketplace.

Importantly, VISI calculates for each grade and model the Energy Usage Indicator to highlight the costs related to the moulding process. The Recyclability Index is also calculated highlighting the environmental impact when designing a new plastic product.

Shell Mesh

VISI Flow's patented mesh technology is a hybrid shell/solid mesh manager and allows the user to obtain the best advantages from both technologies - calculation speed (shell) and model preparation (solid). However, mostly in the automotive industry; flow analyses are required when a solid design is not yet available and the project is at a very early stage of the design process. VISI 18 will include the ability to perform a complete shell analysis to cover these needs. The engineer will be able to simulate the part when only a skin is available and that will greatly benefit aesthetic modellers and styling departments.

Insert Moulding (Overmoulding option)

VISI 18 will include a tool for measuring the amount of deflection taking place at the tip of a core-pin inside a mould cavity. Non-uniform cavity pressure and cooling patterns make core-pins prone to deflection, resulting in out-of-tolerance thin and thick wall sections on the finished part. The simulation provides a method of determining deflection as it occurs during the moulding process and allows the evaluation of possible design remedies, such us the analysis of a correct gate location. VISI 18 will allow the calculation of the composition of forces which act upon the insert.

Composites (Thermoset option)

Resin Transfer Moulding (RTM) is a manufacturing process in which resin is injected into a fibre filled tool cavity to produce composite components. The RTM process is highly repeatable and is particularly suited to components requiring tight dimensional control, and the recurring costs for complex shapes are less than hand lay-up techniques. The costs for the design and manufacture of a RTM tool are high, and so it is vital to understand how the tool will perform and how the component design affects manufacturability.

VISI 18 introduces a new calculation and simulation which enables the transfer of data from draping, resin injection and cure, through to performance analysis and life cycle assessment.

Warped Model Export

One of the most frequent requests has been the capability to export the mesh model after the shape calculation, typically to the structural analysis family such as Ansys, Cosmos, Abacus etc. VISI 18 will offer a complete model export that will greatly benefit part designers who analyse the part stresses and performances of the moulded part.

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