Not only applicable to hydraulic circuits such as engines and transmissions, but there are also numerous achievements in the analysis of oil cooling, water cooling, and air cooling circuits for motors and batteries!
PumpLinx is a fluid analysis software designed to calculate the transient characteristics of various volumetric pumps, compressors, and valves. It is developed based on the thermal fluid analysis software Simerics MP and utilizes all the features of Simerics MP. 【The following fluid analyses are possible】 ■ Free surface flow ■ Flow considering the compressibility of air contained in liquids ■ Pressure pulsation and water hammer effects ■ Coupling of pump flow with the rigid body motion of valves and cam rings ■ Flow in low to medium vacuum conditions ■ Compressible flow (subsonic) ■ Cavitation ■ Time variation of flow field (velocity vectors, pressure), flow rate, fluid forces, and torque The biggest strength is the ability to automatically create meshes with clearances in the µm range, which is difficult with other general-purpose fluid analysis software!! Recently, there have been increasing inquiries about SimericsMP+ due to difficulties in VOF analysis with other CFD software. SimericsMP+ has strengths in VOF and is well-regarded for its support. *There is a lot of information that cannot be posted online. Especially, the actual mesh creation and movement should definitely be demonstrated in a demo!
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basic information
(1) Automatic generation of calculation meshes! Even for complex flow paths, automatic generation of calculation meshes is possible with simple button operations. Additionally, for pump chambers that involve rotation/volume changes, high-precision calculation meshes can be automatically generated using a dedicated mesh creation module. It is possible to automatically execute the movement/rotation/deformation of high-precision meshes without the need for tedious tasks. (2) Fluid analysis of various gear pumps is possible! PumpLinx has mesh creation capabilities for various pumps, including different types of gear pumps, making it easy to perform calculations for a wide range of pumps. It also has a mesh creation function for valves, allowing for calculations of flow paths that include valves, and coupled analysis is also possible. (3) More accurate modeling of aeration/cavitation! It includes a high-precision cavitation model, enabling the prediction of non-condensable gas expansion and vapor generation due to cavitation. (4) Calculation of free surface flow As a new feature, the calculation of free surface flow has become possible. It is now also possible to analyze oil splashing inside the gearbox and oil suction from the oil pan during pump startup.
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P6
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Applications/Examples of results
PumpLinx is primarily used by automobile manufacturers and automotive-related parts manufacturers in Japan, with numerous achievements in oil pumps used in automotive automatic transmissions (AT) and continuously variable transmissions (CVT), as well as engine oil pumps. Additionally, it has a wide range of implementation results not only in the automotive industry but also globally. Examples of achievements worldwide by the developer can be found at: http://www.simerics.com/testimonials/ There are many cases where companies that have already purchased multiple fluid analysis software domestically, as well as those overseas, have purchased it for the ease of use, improved accuracy, and reduced calculation time in analyzing volumetric pumps such as gear pumps and vane pumps. A case study on fluid analysis of a vane pump using 'PumpLinx' was published in KYB Corporation's KYB Technical Report No. 53 OCT. 2016. [Prediction of Vane Pump Characteristics through CFD Analysis] https://www.kyb.co.jp/technical_report/data/no53j/03_technology_explanation_01.pdf
Detailed information
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Automobile engine
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[Analysis Case] Simulation of Automotive Lubrication System [Fluid Analysis] Coupling between External Gear Pump and Pressure Regulating Valve
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[Analysis Case] Automotive Lubrication System [Fluid Analysis] Coupling of Internal Gear Pump and Spool Valve
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[Analysis Case] Simulation of Gear Pump Self-Priming Performance [Fluid Analysis] This is a simulation of a gear pump when drawing engine oil from the oil pan of a car. The calculations are performed using free surface flow (VOF).
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VOF analysis of fuel tank Free surface analysis of fuel tank
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Automotive underhood analysis
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Analysis of Oil Mixing in Planetary Gears
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[Analysis Case] Coupling of Piston Pump and Valve [Fluid Analysis] Cross-section: Magnitude of Velocity Valve: Pressure
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[Analysis Case] Coupling of Fuel Injection Pump and Valve [Fluid Analysis] Gas Volume Fraction
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Our company develops and sells a "Maintenance Management System" for managing and operating various plants, factories, and other facilities and assets. Currently, this system is undergoing significant evolution into one that incorporates IoT technologies, such as sensor information and input from tablet devices, as well as AI technologies like machine learning, featuring functions for failure prediction and automatic scheduling. Additionally, as part of the recent trend towards digital transformation (DX), there is a growing movement to digitize and automate manufacturing processes and research and development sites in factories to enhance operational efficiency. In line with this trend, our company provides a solution aimed at improving efficiency in research and development environments, known as the Laboratory Information Management System (LIMS), which includes features such as workflow management, data tracking, data management, data analysis, and integration of electronic lab notebooks.
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