Fluid Analysis Software×IDAJ - List of Manufacturers, Suppliers, Companies and Products

[Case Study] Cost Reduction and Performance Improvement of Hydraulic Control Equipment

Introduce "ANSYS Fluent" to reduce costs and improve performance of hydraulic control equipment!

We would like to introduce a case where Rinsyo Industry utilized 'ANSYS Fluent' for cost reduction and performance improvement of hydraulic control equipment. The in-house flow calculation tool that had been used until now did not provide sufficient accuracy and was only used to confirm trends. However, with 'ANSYS Fluent', a good accuracy of -1.4% has been achieved, and it is expected to be applicable to future analysis cases. Additionally, the number of prototypes has decreased, and there is no longer a need to wait for prototypes to be completed, which has contributed to a more efficient reduction in overall development costs. 【Features】 ■ Reduction in the number of prototypes and man-hours, and also used to avoid worst-case scenarios ■ Achieved good simulation accuracy of -1.4% ■ Can be used to identify and avoid anticipated worst-case scenarios by combining upper and lower limits of design tolerances ■ Now able to quantitatively confirm how much the design range falls within the required range *For more details, please refer to the PDF document or feel free to contact us.

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[Today's ANSYS] Utilized for water flow simulation (LIXIL)

We would like to introduce an interview article with Mr. Manabu Umeda and Mr. Shinichi Sagara from LIXIL Corporation!

I would like to introduce information about how CAE and CFD are useful in the world, including interesting application examples, primarily through articles from the information magazine "ADVANTAGE" published by ANSYS, Inc. and ANSYS Japan Co., Ltd. This time, we will present an interview article with Mr. Manabu Umeda and Mr. Shinichi Sagara from LIXIL Corporation, who are utilizing flow analysis of toilet products in the design and development of new products. There are various fluid analysis tools available, but the reason for choosing ANSYS Fluent is that it can simulate products such as toilets and bathtubs, which are composed of curved surfaces. One of the benefits of introducing simulation is "visualization." Since ceramic toilets can only be visually inspected up to the point where water accumulates, it is not possible to see the condition of the drainage path. With simulation, it is possible to confirm the internal flow on the drainage side, allowing for appropriate measures to be taken based on simulation results, rather than relying solely on the intuition and experience of the designers. *For more details, please download the PDF or contact us.*

Company：IDAJ
Price：Other

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[Analysis Case] Flow Analysis of a Two-Screw Compressor

The solver is automatically generated while executing the analysis mesh calculation in "CONVERGE"!

In "CONVERGE," the solver automatically generates the analysis mesh during the calculation execution. Therefore, it is possible to perform calculations with very high efficiency for moving boundary problems involving complex rotational motions, such as those found in two-axis screw compressors. 【Features】 ■ The analysis mesh is automatically generated by the solver during calculation execution ■ Calculations can be performed with very high efficiency *For more details, please refer to the PDF materials or feel free to contact us.

Company：IDAJ
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[Analysis Case] Steady-State Intake Flow Analysis of a Diesel Engine

The mesh control function included in "CONVERGE" is also very effective for steady-state calculations.

The mesh control function included in "CONVERGE" is very effective for steady-state calculations as well. This case predicts the swirl ratio of a diesel engine through steady-state calculations, and during the initial phase of analysis (when the flow field is still unstable), it efficiently predicts the overall flow pattern by calculating with a coarse mesh. Subsequently, the calculation progresses through a process of gradually increasing the analysis load while improving analysis accuracy using grid scaling and adaptive mesh refinement (AMR). 【Features】 ■ Calculate with a coarse mesh in the initial phase of analysis to efficiently predict the overall flow pattern. ■ Gradually increase the analysis load while improving analysis accuracy through grid scaling and adaptive mesh refinement. *For more details, please refer to the PDF materials or feel free to contact us.

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[Analysis Case] Diesel Engine Cylinder Spray Combustion Analysis

In "CONVERGE," it is possible to achieve high analysis accuracy with minimal computational load.

In "CONVERGE," it is possible to achieve high analysis accuracy with minimal computational load by utilizing many mesh control features, including Adaptive Mesh Refinement (AMR). This is an example of spray combustion calculations in a sector model of a diesel engine, where the mesh near the spray is automatically refined during the injection period by the local refinement feature. Additionally, the AMR corresponding to temperature and velocity gradients automatically refines the mesh in the necessary areas to enhance computational accuracy, demonstrating the results of improved accuracy. 【Features】 ■ Achieves high analysis accuracy with minimal computational load ■ Mesh is automatically refined by the local refinement feature *For more details, please refer to the PDF document or feel free to contact us.

Company：IDAJ
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[Analysis Case] In-cylinder Flow Analysis (With and Without Tumble Control)

Calculate and compare the flow field with and without a valve in "CONVERGE".

To enhance tumble, we are calculating and comparing the flow fields with and without a valve installed inside the intake port using 'CONVERGE'. In this case, adaptive mesh refinement (AMR) is applied according to the velocity gradient, so the mesh in areas with significant velocity gradients, such as those passing through the valve, is automatically refined, allowing for calculations with higher accuracy. You can view the video of this case. 【Features】 ■ Calculation and comparison of flow fields with and without a valve installed inside the intake port ■ Automatic refinement of the mesh in areas with significant velocity gradients *For more details, please refer to the PDF document or feel free to contact us.

Company：IDAJ
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[Analysis Case] Supersonic Flow Analysis Around Wings 'CONVERGE'

It is published that shock waves can be predicted with very high resolution by AMR.

In 『CONVERGE』, the Adaptive Mesh Refinement (AMR) feature automatically controls the appropriate mesh based on the gradient of the analysis variables. This case demonstrates an example of supersonic flow field analysis around a wing calculated using 『CONVERGE』, showing that shock waves can be predicted with very high resolution thanks to AMR. 【Features】 ■ The solver automatically controls the appropriate mesh based on the gradient of the analysis variables. ■ Shock waves can be predicted with very high resolution due to AMR. *For more details, please refer to the PDF document or feel free to contact us.

Company：IDAJ
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Fluid Analysis Software×IDAJ - List of Manufacturers, Suppliers, Companies and Products

Fluid Analysis Software Product List

[Case Study] Cost Reduction and Performance Improvement of Hydraulic Control Equipment

[Today's ANSYS] Utilized for water flow simulation (LIXIL)

[Analysis Case] Flow Analysis of a Two-Screw Compressor

[Analysis Case] Steady-State Intake Flow Analysis of a Diesel Engine

[Analysis Case] Diesel Engine Cylinder Spray Combustion Analysis

[Analysis Case] In-cylinder Flow Analysis (With and Without Tumble Control)

[Analysis Case] Supersonic Flow Analysis Around Wings 'CONVERGE'