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When I first started using analysis tools it was the domain of the expert, the engineer with the PhD. Virtual testing was used sparingly and only for high value applications. But today? Today, simulation has become a tool used throughout the product development process. So what changed? Well, simulation became accessible to those without PhDs and computers grew more powerful. The expectations of companies also changed in how the software should enable the user.
As I meet new and experienced simulation users, the more I realize that the difference between a designer and an analyst is that the analyst knows the complexity of the analysis problem at hand, and they can describe the physics and analysis procedures required to solve it.
The designer knows the real-world behavior they want to study. Our goal is to enable design teams to create and validate great designs.
As our portfolio has expanded we have grown from designers validating parts and assemblies for strength, durability and stiffness to fluid flow analysis to plastic part and mold validation simulation tools; adding value to all the products you design. This new study type enables designers and engineers to develop innovative minimum mass components based on operational loads and conditions.
This iterative process of element removal is limited by the study constraints such as maximum allowable deflection and any manufacturing controls. But once you have this shape what do you do with it? Additive manufacturing tools can be used to directly print components, incorporating a topology smoothed mesh body. For applications that require traditional manufacturing, the results from a topology study can be viewed in the design environment like any other simulation result, to be used to guide any parametric changes such as cutouts and pockets.
Structural analysis is not a one shot wonder process; it is iterative, startling with simple models and loads progressing to complex geometry loads and even multi-physics studies. Loads can also be transferred from a motion, flow or plastics analysis. Products that move, are shaken when being moved, or experience loads that vary with time can suffer from failures due to vibration and fatigue, when the operational forces are well below the ultimate failure load. Engineers can now evaluate the vibration-driven stresses, displacements and component accelerations to assess the impact of any geometry changes to ensure product performance and durability under complex loads.
For the designer the easy-to-use analysis setup wizard has made previously challenging internal, external and thermal flow analysis accessible to all. And for the analyst the breadth and depth of physics and functionality enables complex problems such as non-Newtonian flows, rotating bodies, and electronics cooling. Flow Simulation has added to these advanced features in the release with the new free surface capability, which enables two immiscible fluids such as a liquid and a gas in the same volume.
What does this mean? Well, we can solve three new types of flow phenomenon. In its simplest application, a user sets the initial water level and then lets the physics take its course, either with a fluid motion, as in this simple boat on the water, below, showing both a bow wave and wake.
For Plastics analysis it is important to have accurate mold geometry, including runners, sprues, and cooling lines together with your component geometry in order to understand the complete manufacturing process.
Analysis of the component is important to designers as they want to ensure that the gate locations not only ensure the correct fill but also to that all weld lines or sink marks are not visible to the end user. The engineer or analyst will want to take the plastic analysis one step further, to determine the structure and shape of the parts once they exit the mold too.
Menu Toggle navigation. Or with the application of gravity, you can carry out tank emptying or filling processes. The movement of a container for sloshing is created by a time varying gravity vector. Bio Latest Posts. Latest posts by Stephen Endersby see all.
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