News

  • Short Course: PumpLinx® for PD machines at City University London, 8th Sept.

    Dr. Sam Lowry, President Simerics will present an introductory lecture on “PumpLinx: Virtual Testing of Fluid Pumps, Motors, Compressors, Valves and Systems” at the City University of London Short Course to be held on the 7th and 8th of September 2013. The Short Course is offered in conjunction with the International Conference on Compressors and their Systems 2013 September 9th and 10th. The specific time of the session “Application of CFD in Positive Displacement Machines” is Sunday, 08/Sep/2013: 9:30am – 11:00am, Session Chair: Konstantinos Haliskos.

    Abstract: “PumpLinx: Virtual Testing of Fluid Pumps, Motors, Compressors, Valves and Systems”

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    Yu Jiang, Sam Lowry

    Simerics, United States of America

    Computer simulations of pumps and compressors can now serve the same function as hardware testing. These simulations can be done in less time with less cost while providing engineering data of similar quality as experiments. Furthermore, computer modeling can be performed directly by the engineer doing the hardware design, thus providing a tight link between analysis and design optimization. Virtual testing can also be used to analyze problems with existing hardware, either as standalone components or in the context of a system. This presentation focuses on PumpLinx, a Computational Fluid Dynamics (CFD) tool that serves as a virtual test bed. PumpLinx predicts the performance of pumps and compressors in terms of head rise, power, efficiency, cavitation effects, noise, and/or damage. PumpLinx starts with existing designs created in a third party CAD package. Once the geometry is imported, the pump is meshed, modeled, simulated and analyzed, all in a single interface. Various operating conditions and fluid properties can be input to simulate the pump or compressor over a range of operating conditions. The output is similar to what would be measured for a fully instrumented test, with additional flow visualization and integrated quantities. This presentation will provide selected examples of the simulation of compressors and pumps.

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  • Evaluation of PumpLinx® by HMS Group Published in World Pumps.

    HMS Group Russia conducted an evaluation of PumpLinx in comparison with test data for several of their centrifugal and mixed-flow pumps. Selected results are presented in the article “Cost cutting with pump performance prediction”, published in the July/August 2013 edition of World Pumps . A copy of the article is available via the World Pumps’ download site.

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    Based on the evaluation, HMS had the following testimonial for PumpLinx,

    “PumpLinx for me has surpassed all expectations: 3D model preparation – 2 hours maximum, 1 hour on average. No problems with mesh creation – always created and there are no errors in the calculations because of the quality of the grid. Calculation of the first characteristic point is no more than 10-30 minutes, which is 10-30 times faster than our main program. Accuracy of the calculation for the pressure and for the efficiency in the range of 1% to 3% max (in the operating range of feeds, and for one pump and throughout the feature). To sum up the total: a great program for the engineer;quick and easy; Overall evaluation of 9 out of 10 (with 10 being a perfect virtual [Score])”

    – Lead Engineer at HMS Group Russia

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  • PumpLinx® Version 3.2 Webinars

    PumpLinx® Version 3.2 Webinars

    The following Webinars are scheduled for PumpLinx® Version 3.2 to provide an overview of existing capabilities, plus introduce the new features for selected Templates.
    The sessions are limited in size, with preference given to current users of PumpLinx®,however any interested party is encouraged to register and will be included, space permitting. Future repeat sessions will be made available to those who are unable to attend during the first round. Invitations and instructions for joining the Webinars will be e-mailed.

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    To register please email: contact@simerics.com and provide:

    • Name
    • Company
    • Phone
    • E-mail address
    • Session(s) of choice (Please note Morning or Evening)
    Session # Topic/Template Date/Time (Morning CST) Date/Time (Evening CST)
    1 Centrifugal Feb. 4 0830 CST Feb. 4 1800 CST
    2 Gerotor/Crescent Feb. 11 0830 CST Feb. 11 1800 CST
    3 Dynamic Valves Feb. 18 0830 CST Feb. 18 1800 CST
    4 Vane Feb. 25 0830 CST Feb. 25 1800 CST
    5 Piston Pumps Mar. 4 0830 CST Mar. 4 1800 CST
    6 External Gear Mar. 11 0830 CST Mar. 11 1800CST
    7 Compressors Mar. 18 0830 CST Mar. 18 1800 CST
    8 Systems Mar. 25 0830 CST Mar. 25 1800 CST

    Note: CST = Central Standard Time US (Chicago)

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  • PumpLinx® Version 3.2

    Simerics is proud to announce the release of PumpLinx® Version 3.2. PumpLinx® is a CFD simulation tool with unique for virtual testing of fluid pumps, motors, compressors, valves, and systems with rotating and/or sliding components. Starting with a 3-D CAD design, PumpLinx® enables the engineer to create a virtual test article and generate flow visualization and engineering output similar in accuracy to full scale hardware test at a fraction of the time and cost.

    The newly released PumpLinx® v3.2 has expanded capabilities including:

    Core Capabilities:

    • Heat, Flow, Turbulence
    • Aeration and Cavitation
    • Cavitation Damage Model
    • 1-DOF FSI (Linear and Rotational)
    • Particle Tracking

    Pumps/Motors/Compressors Templates

    • Axial/Centrifugal/Mixed Flow
    • Piston: Bent Axis/Radial/Swashplate
    • Crescent/Gerotor
    • External Gear (Spur)
    • Vane: Balance/Fixed/Variable Displacement
    • Progressive Cavity
    • Scroll

    Dynamic Valve Predictions

    • Spool/Ball/Axial/Circumferential

    Extensive 3-D System Modeling

    Please call or contact Simerics for a demonstration of the new release.
    To learn more about PumpLinx®, please go to simulation gallery.

  • Webinar: CFD-driven Design and Analysis with SpaceClaim & SimericsMP

    Live Webinar: October 3 at 11:30 AM EST. SpaceClaim provides engineers flexibility in geometry prep for simulation; SimericsMP enables unsurpassed ease and accuracy of fluid and heat simulation for complex systems. SpaceClaim and SimericsMP offer an integrated simulation solution. See a live demo from CAD to simulation.

    Register here.

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