Flow results

Topics in this section

• %Shot weight result

  The %Shot weight result shows the total shot weight, as a percentage of the total part weight, at various time-steps during the filling analysis.

• Air traps result

  An air trap occurs where the melt traps and compresses a bubble of air or gas between two or more converging flow fronts, or between the flow front and the cavity wall. Typically, the result is a small hole or a blemish on the surface of the part. In extreme cases, the compression increases the temperature to a level that causes the plastic to degrade or burn.

• Air traps, including air vents result

  The Air traps, including air vents result shows the locations where air traps are likely to occur, including specified venting analysis (air vent) locations.

• Average velocity result

  The Average velocity result shows the average magnitude of velocity of the polymer inside the mold cavity over time.

• Bulk temperature result

  Bulk temperature is used to indicate the weighted average temperature across the thickness.

• Bulk temperature, elemental result

  The Bulk temperature, elemental result is used to indicate the weighted average temperature across the part thickness.

• Bulk temperature, nodal result

  The Bulk temperature, nodal result is created when running a Reactive Molding Fill analysis or a Microchip Encapsulation Fill analysis.

• Bulk temperature at end of fill result

  Bulk temperature is used to indicate the weighted average temperature across the thickness.

• Real thickness, cavity result

  The Real thickness, cavity result is created only if you have modeled a core, and selected the Perform core shift analysis option in the Fill analysis advanced options.

• Clamp force result

  The Clamp force result is a time-series result which shows the force of the mold-clamp over time.

• Clamp force centroid result

  The Clamp force centroid result shows the center of the clamp force applied on the part, or the center of mass or gravity.

• Density result

  The Density result is generated from a Fill analysis using 3D analysis technology, and shows the density of the tetrahedral elements before shrinkage occurs, at the time the result file was written.

• Displacements, core result

  The Displacements, core result is created only if you have modeled a core, and the Perform core shift analysis option in the Fill analysis advanced options has been turned on.

• Displacements, final shift result

  The Displacements, final shift result is created only if you have modeled a core, and the Perform core shift analysis option in the Fill analysis advanced options has been turned on.

• Extension rate result (3D)

  The Extension rate (3D) result is generated from Fill and Microchip Encapsulation analyses using 3D analysis technology, and shows the rate of extension in the mold-cavity at the time the result was written.

• Fill time result

  The Fill time result shows the position of the flow front at regular intervals as the cavity fills.

• Flow rate, beams result

  The Flow rate, beams result shows the amount and rate of polymer that is delivered through runners into the mold cavity, allowing you to optimize the runner system design.

• Flow rate result, shown in the analysis log

  You will notice that the flow rate shown in the analysis log does not typically reach the user-specified flow rate. Material compressibility accounts for the difference in flow rate input and output.

• Frozen layer fraction result

  The Frozen layer fraction result shows the thickness of the frozen layer as a fraction of the part thickness.

• Frozen layer fraction at end of fill result

  The Frozen layer fraction at end of fill result represents the thickness fraction of the frozen layer at the end of filling.

• Frozen pressure result

  The Frozen pressure result shows the maximum pressure reached inside the mold from the time an element freezes until the time the result was written.

• Grow from result

  The Grow from result, which is produced by a Fill analysis, shows the areas that are filled from each gate in multi-gated parts so that you can determine whether the flow within the part is balanced.

• Hold pressure result

  The Hold pressure result shows the maximum pressure in each area, calculated during the packing phase (from the end of fill).

• In-cavity residual stress in first principal direction result

  The In-cavity residual stress in first principal direction result shows the stresses in the orientation direction before ejection.

• In-cavity residual stress in second principal direction result

  The In-cavity residual stress in second principal direction result shows the stresses, before ejection, in the direction perpendicular to the first principal direction.

• Interface heat flux (3D Overmolding) result

  The Interface heat flux result shows the amount of heat flowing from the current part into the previous part (i.e., from overmolding into original molding, or into a part insert). Negative values indicate heat flowing into the current molding.

• Intermediate results

  Intermediate results provide more time-animation capabilities when viewing results because intermediate time-slices have been saved.

• Machine setup result

  The Machine setup result is generated from a Fill analysis and shows the parameters that you should use on the injection molding machine, as determined by the analysis.

• Orientation at core result

  The Orientation at core result provides a good indication of how molecules will be oriented at the part core, showing the average principal alignment direction for the whole element.

• Orientation at skin result

  The Orientation at skin result provides a good indication of how molecules will be oriented on the outside of the part, showing the average principal alignment direction for the whole local area at the end of filling.

• Orientation at bottom skin result

  The Orientation at bottom skin result is generated at the end of a Fill analysis using Midplane analysis technology, and shows the flow direction at the plastic/metal interface for the bottom side when plastic fills an element.

• Orientation at top skin result

  The Orientation at top skin result is generated at the end of a Fill analysis using Midplane analysis technology, and shows the flow direction at the plastic/metal interface for the top side when plastic fills an element.

• Percentile values in Fill analysis results

  Percentiles are the set of numbers from 0 to 100 that divide a set of ranked data into 100 class intervals with each interval containing 1/100 of the observations.

• Polymer fill region result (3D)

  The Polymer fill region result is generated at the end of a Fill or Overmolding analysis using 3D analysis technology, and shows which elements in the model are filled with polymer melt at intervals as the cavity fills.

• Pressure result

  The Pressure result is generated from a Fill analysis, and shows the pressure distribution through the flow path inside the mold at the time the result was written.

• Pressure at injection location result

  The Pressure at injection location result shows the pressure at the injection location at various times during the filling and packing phases of the analysis.

• Pressure at velocity/pressure switchover result

  The Pressure at V/P switchover result is generated from a Fill analysis, and shows the pressure distribution through the flow path inside the mold at the switchover point from velocity to pressure control.

• Re-melt zone, overmolded components (3D Overmolding) result

  The Re-melt zone, overmolded components (3D Overmolding) result shows places where the first component may not have completely frozen, or has re-melted, when the second component is injected.

• Re-melt zone, part insert result

  The Re-melt zone, part insert result shows the location(s) where the insert may have melted when the part is injected.

• Ram speed, recommended result

  The Ram speed, recommended result defines an injection profile that keeps the flow front velocity constant.

• Shear rate result

  The Shear rate result shows the rate of shear strain (the velocity gradient through the cross-section) in the mold-cavity at the time the result was written.

• Shear rate result (3D)

  The Shear rate (3D) result shows the shear rate in the part and the feed system at the time the result was written.

• Shear rate, bulk result

  The Shear rate, bulk result plot shows the magnitude of the shear rate through a cross-section.

• Shear rate, maximum result

  The Shear rate, maximum result shows the maximum shear rate at a given node, up to the time the result was written.

• Shear stress at wall result

  The Shear stress at wall result shows the shear stress at the plastic frozen/molten interface at the time the result was written.

• Sink marks, index result

  The Sink marks, index is an indication of the potential shrinkage due to a hot core.

• Sink marks, depth result

  The Sink marks, depth result indicates the location and depth of sink marks (and voids) likely to be caused by features on the opposite face of the surface.

• Sink marks estimate result

  The Sink marks estimate result displays simulated sink marks on the part.

• Temperature result

  The Temperature result shows the plastic temperature at a specified time, over all laminates through the part thickness.

• Temperature result (3D)

  The Temperature result shows the temperature of the polymer at nodes, at specified times during the analysis. This result is generated by a Fill analysis using 3D analysis technology, and may be refined by a subsequent Pack analysis.

• Temperature at flow front result

  The Temperature at flow front result, which is produced by a Fill analysis, shows the temperature of the polymer when the flow front reaches a specified point in the center of the plastic cross-section.

• Tensile modulus, principal direction (fiber) results

  The Tensile modulus, principle direction (fibre) result indicates how much stress is needed to cause a unit of movement.

• Throughput result

  The Throughput result shows the total volume of material that passed through each beam element (runner system) connected directly to the injection node(s).

• Time to reach ejection temperature result

  The Time to reach ejection temperature result shows the amount of time required to reach the ejection temperature, which is measured from the start of fill.

• Unfilled cavity result

  The Unfilled cavity result, which is produced by a Fill analysis using a 3D analysis technology, shows areas in a model where the part has not filled.

• Velocity result

  The Velocity result shows the magnitude of flow velocity in every laminate, at every element, at several times during the filling and packing phases.

• Velocity result (3D)

  The Velocity result shows the direction and magnitude of velocity of the polymer, recorded at a node, when the result file was written.

• Vent region pressure result

  The Vent region pressure shows the predicted air pressure within air traps or at regions connected to specified venting analysis (air vent) locations.

• Viscosity result

  The Viscosity result shows the viscosity of the polymer at the time the results file was written.

• Average volumetric shrinkage result

  The average volumetric shrinkage result shows the average value of volumetric shrinkage over the half-gap thickness for 3D models.

• Volumetric shrinkage result

  The Volumetric shrinkage result shows the volumetric shrinkage for each node, as a percentage of the original volume.

• Object Missing
• Weld lines result

  The Weld lines result displays the angle of convergence as two flow fronts meet. The presence of weld lines may indicate a structural weakness and/or a surface blemish.

• Weld and meld lines result

  The Weld and meld lines result shows where weld and meld lines are likely to occur on your model.