A globally known filter manufacturer had a fast-paced program and needed help to reduce their test program time.
A non-linear plastic simulation analysis.
Starting with a first-pass iteration of a filter canister design, Sigma engineers used non-linear plastic simulation analysis to determine whether long-term cyclic loading would be likely to cause permanent deformation, and worse yet, failure.
After further simulation review we found that there were certain areas in the molded housing that were suspect to failure. As often found in these analyses, the defects were less than obvious.
The software and Sigma’s engineering analytical skills uncovered these areas, which saved the client needed time and money. The client modified the design and went to physical testing, saving 2 to 3 weeks of iterations. This insight got their program back on track and on budget.
Sigma’s engineering experience helps product launches stay on schedule by removing the unforeseen obstacles that delay new product development progress. Our team is capable of performing Linear Stress, Non-Linear Plastic Deformation, Computational Fluid Analysis, as well as other specialized engineering software.
One software tool available to Sigma engineers is computational fluid dynamics, or CFD. Used to analyze the flow of fluids (gaseous or liquid), CFD is a powerful tool capable of solving some of engineering’s toughest challenges. CFD can handle a wide range of problems, including: external fluid flow around a part or assembly, internal fluid flow through cavities (such as a heat exchanger) and heat transfer through solid bodies.
CFD’s heat transfer capabilities have been of particular help to Sigma’s clients recently. The software can simulate heat loads to specific areas and calculate the heat lost to the surrounding environment via convection. We can also add additional fluids to the analysis, such as an internal water cooling channel to simulate real-world operation. By capturing all of the relevant heating and cooling elements, a highly accurate model of how complex assemblies behave under varying thermal conditions is created. Engineers and customers can then review the temperature of parts, heat loss, cooling requirements or even thermal expansion between adjoining parts. All of this data can be put to use by making more informed design decisions.
Sigma engineers have years of experience in analyzing fluid flow and heat transfer through complex parts and assemblies. By utilizing powerful CFD software, Sigma can provide quick feedback on proposed designs before reaching the prototype phase.
Learn more about our capabilities by viewing SIGMA’S online brochures.
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