Simulating the flow characteristics of positive displacement pumps such as gear pumps and vane pumps! A CAE software specialized for pumps that other CAE software struggles with!
PumpLinx is a fluid simulation tool designed to calculate the transient characteristics of various volumetric pumps, compressors, and valves. It is developed based on the thermal fluid simulation tool 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 even for clearances in the µm range, which is difficult with other general-purpose fluid analysis software!! Recently, there has been an increase in achievements with oil pumps for automotive and construction machinery, such as vane pumps for power steering and CVTs, and trochoidal pumps for engine lubrication. *There is a lot of information that cannot be posted online. Especially, we encourage you to see the actual mesh creation and movement through a demo presentation!!
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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 involving 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 tedious tasks. (2) Fluid analysis of various gear pumps is possible! PumpLinx has mesh creation capabilities for various pumps, including different gear pumps, making it easy to perform calculations for various 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! A high-precision cavitation model is included, 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 possible to analyze the oil being scooped up inside the gearbox and the 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 achievements 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, both overseas and domestically that have already purchased multiple fluid analysis software, have chosen to purchase it for its user-friendliness, accuracy improvement, and reduction in calculation time for the analysis of volumetric pumps such as gear pumps and vane pumps. In the KYB Technical Report No. 53 OCT. 2016 published by KYB Corporation, a case study on fluid analysis of a vane pump using 'PumpLinx' was featured. [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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[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. It is calculated using free surface flow (VOF).
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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 Automotive Lubrication System [Fluid Analysis] Coupling of External Gear Pump and Pressure Regulating Valve
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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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[Case Study] Simulation of an Internal Gear Pump [Fluid Analysis] Visualization of cavitation in an internal gear pump.
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[Analysis Case] Simulation of External Gear Pump [Fluid Analysis] Visualization of cavitation in the external gear pump.
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[Analysis Case] Simulation of Vane Pump [Fluid Analysis] Simulation of Cavitation in Vane Pump
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[Case Study] Simulation of a Swash Plate Axial Piston Pump [Fluid Analysis] Simulation of Cavitation in a Swash Plate Axial Piston Pump
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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.