FsTech List of Products and Services

We would like to introduce a case study of thermal stress coupled analysis of circuit boards using the general-purpose finite element analysis software "AIFEM." Thermal stress analysis plays a crucial role in optimizing the thermal design of products, especially for high-power heating electronic components and devices, thereby enhancing the reliability of electronic equipment. By utilizing AIFEM, we quickly modeled the electronic circuit structure, created thermal transfer and heat source models, and evaluated the rationality of temperature and stress distribution. [Case Overview] ■ Volume heat source (target red area): 1.5 [mW/mm3] ■ Volume heat source (target orange area): 1.0 [mW/mm3] ■ Surface heat dissipation condition: heat transfer coefficient 0.01 [mW/(mm2*K)] ■ Ambient temperature (target blue area): 20 [℃] *For more details, please download the PDF or feel free to contact us.

We would like to introduce a case study analyzing the cooling performance of a water-cooled plate using the general-purpose thermal fluid analysis software "AICFD." Two heat sources (silicon chips) were installed on the cooling plate (aluminum alloy) to evaluate its cooling performance. Our company offers a wide range of services, including product design, simulation analysis, performance optimization, customization development of software and platforms, and secondary development of commercial software. 【Analysis Conditions】 ■ Inlet Conditions: Velocity 0.2 [m/s], Temperature 25 [℃] ■ Turbulence Model: Laminar Flow ■ Heat Generation ・Heat Source 1: 40 [W] ・Heat Source 2: 60 [W] ■ Thermal Resistance: 0.25 [K/W], 0.167 [K/W] *For more details, please download the PDF or feel free to contact us.

We would like to introduce a case study of frequency response analysis of an electrical block using the general-purpose finite element analysis software "AIFEM." The electrical box serves as a carrier for the electronic circuit board and is also a transmission path for the excitation load. Vibrations can significantly impact the functionality and performance of the components on the electronic circuit board. With the frequency response analysis feature of this product, we were able to quickly check the response peaks and stress distribution of the electronic device, allowing us to identify areas for design improvement. 【Analysis Conditions】 ■ Frequency Range: 100 to 1000 Hz ■ Excitation Intensity: Acceleration 20 G ■ Excitation Direction: Z Direction ■ Critical Damping Ratio of Material: 0.02 *For more details, please download the PDF or feel free to contact us.

We will introduce a case study analyzing the cooling performance of a water-cooled IGBT module using the general-purpose thermal fluid analysis software "AICFD." The model being analyzed is a simplified version, representing 1/6 of the original module. Additionally, a water-cooled heat sink has been added to the underside of the substrate, and the mesh model consists of 8.78 million unstructured cells. By conducting such analyses, we can understand the pressure loss of the heat sink water jacket and the cooling state of the module, which provides valuable information for thermal design and thermal countermeasures. 【Boundary Conditions】 ■ Inlet Velocity (m/s): 8.0 ■ Inlet Water Temperature (K): 295.14 ■ Water Side Heat Exchange Area (m²): 4.062×10^-3 *For more details, please download the PDF or feel free to contact us.

We will introduce a case study of impeller design for a centrifugal pump with a specific speed of 320 using the pump-specific design software "AIPump." By simply inputting the necessary design parameters, you can quickly obtain the three-dimensional design results of the pump impeller. Additionally, through high-speed performance analysis of the design results, it is possible to instantly check key data such as efficiency. Furthermore, a high-speed performance analysis was conducted on the created impeller with a specific speed of 320, and the analysis results showed that the efficiency is 82.04. 【Design Parameters】 ■ Flow Rate (Q): 180m³/h ■ Head (H): 40m ■ Rotational Speed (n): 2950rpm ■ Impeller Outlet Diameter (D2): 194.678mm ■ Impeller Outlet Width (b2): 22.347mm ■ Impeller Inlet Diameter (Dj): 105.858mm *For more details, please download the PDF or feel free to contact us.

We would like to introduce the AI-accelerated analysis of a guide vane pump using the general-purpose thermal fluid analysis software "AICFD." In multi-domain and rotating machinery analysis cases, we utilize the unique AI acceleration feature of this product. By reducing the number of iterations required for calculations through AI acceleration, we achieve efficient analysis. In this case study, we were able to achieve a 27% reduction in computation time without compromising accuracy. 【Analysis Conditions】 ■ Mesh Model: Unstructured Grid 2.1 million ■ Inlet Velocity: 4.49 m/s ■ Turbulence Model: SST k-ω ■ Iterations: 5000 *For more details, please download the PDF or feel free to contact us.

We will introduce a case study on the strength analysis of a compressor using the general-purpose finite element analysis software AIFEM. A compressor is a device that converts mechanical energy into fluid energy, consisting of multiple moving blades (rotors) and stationary blades (stators). The moving blades rotate at high speeds, compressing the gas within the flow path and increasing its energy. During this process, the impact of centrifugal force is particularly significant, necessitating high strength in the moving blades; therefore, strength analysis that adequately considers centrifugal force loading is crucial. With AIFEM's efficient pre-post processing and high-precision solver, we achieve a faster analysis process in development design and shorten the design cycle. *For more details, please download the PDF or feel free to contact us.*

We would like to introduce the high-speed design of glass molds using the data analysis and modeling software "DTEmpower." The current mold design process involves continuously adjusting the design mold B to create a mold that meets the requirements. After obtaining the necessary glass model, there is a desire to establish a flow that allows for the direct and rapid design of the appropriate mold. Ultimately, we obtained deviation data between the glass model A that meets the design requirements and mold B, and learned the mapping relationship. We provided design methods such as constructing a data model. [Background and Issues] - The current mold design process creates a mold that meets the requirements by continuously adjusting the design mold B. - There is a desire to establish a flow that allows for the direct and rapid design of the appropriate mold after obtaining the necessary glass model. *For more details, please download the PDF or feel free to contact us.

We would like to introduce a case study where the general-purpose finite element analysis software "AIFEM" was used to analyze the temperature distribution of IGBTs and the stress distribution resulting from that temperature. By analyzing the temperature and stress distributions of electronic devices, we can obtain fundamental data to predict design rationality. Additionally, our company offers customization of design systems tailored to customer requests and the development of custom platforms that integrate various tools. Please feel free to contact us when needed. 【Result Comparison】 ■Max Temperature (K) ・AIFEM: 353.2 ・Reference Value: 351.7 ■Max Displacement (mm) ・AIFEM: 7.65e-2 ・Reference Value: 7.42e-2 ■Max Stress (MPa) ・AIFEM: 134.7 ・Reference Value: 134.9 *For more details, please download the PDF or feel free to contact us.

We will introduce efficient optimization using morphing with "CAESES," which we provide. It is mainly used in the shipbuilding and maritime industry, but the majority of users focus on full parametric modeling. In morphing (partial parametric modeling), the deformation of imported existing geometry is performed. Therefore, only the modified parts of the existing shape are defined by parameters, allowing for the creation of various shapes. 【Previous Morphing Features】 ■ Shift transformations ■ Lackenby shift ■ Free-Foam deformation (FFD) ■ Cartesian shifts ■ Spot transformations *For more details, please download the PDF or feel free to contact us.

We would like to introduce a case study of static analysis of a pump structure using the general-purpose finite element analysis software "AIFEM." The pump model being analyzed consists of two components: the main body and the cover, which are connected by a flange. By investigating the pressure distribution of the pump, it is possible to confirm the mechanical properties of the structure and quickly evaluate the design in question. 【Analysis Conditions】 ■ Material - Young's Modulus: 205000 [MPa] ■ Material - Poisson's Ratio: 0.28 ■ Load Condition: C surface 4.5 [MPa] ■ Component Joint: D surface, E surface ■ Constraint Conditions: A surface, B surface *For more details, please download the PDF or feel free to contact us.

We would like to present a case study where the general-purpose thermal fluid analysis software "AICFD" was used to analyze the head and shaft power of a centrifugal pump, comparing the results with experimental values. The mesh model adopted an unstructured mesh with a total cell count of 1.2 million. When comparing the experimental values with the analysis results, a deviation of 1.70% was confirmed for both output (kW) and head (m). 【Analysis Conditions】 ■ Inlet Condition: 69.46 [L/s] ■ Outlet Condition: Static Pressure 0 [Pa] ■ Rotational Speed: 980 [RPM] ■ Turbulence Model: Standard k-epsilon *For more details, please download the PDF or feel free to contact us.

We would like to introduce a case study of applying the data modeling and analysis software "DTEmpower" to transformer winding temperature warnings. The machine learning method allows for a more sensitive detection of abnormal data points in winding temperature simply by setting the difference between the temperature measured by sensors and the temperature estimated by the model. Additionally, early warnings based on machine learning only require setting the degree of deviation from normal values, which essentially establishes a dynamic early warning zone. This approach offers greater flexibility and improved reliability compared to traditional static warning bands. 【Problems and Challenges】 - Ensuring the stability and reliability of transformers is a critical issue, and responses to failures need to be swift and effective. - The main cause of transformer failures is the decrease in insulation capacity. - To mitigate the risk of transformer failure due to decreased insulation capacity, early warnings for winding temperature are necessary. *For more details, please download the PDF or feel free to contact us.

We will introduce the technical analysis work related to bearing parameter alarms and gearbox fault diagnosis based on the data modeling software "DTEmpower." This product can provide deep data analysis necessary for industrial data processing as a concise and rigorous one-stop solution. Additionally, it enables data analysis, modeling, and design based on machine learning, significantly improving product development efficiency. 【Condition Monitoring & Parameter Alarms】 ■ Extraction of Sensory Feature Characteristics ■ Quantitative Optimization of Sensitive Feature Alarms *For more details, please download the PDF or feel free to contact us.

Based on the issues in the de-NOx system of power plants, we will introduce solutions using the data analysis and modeling software "DTEmpower," as well as optimal control of the system. The de-NOx system has significant thermal hysteresis effects, making it difficult to construct physical and chemical models. Therefore, a control method that combines "predictive control," "optimal control," and "feedback correction" utilizing machine learning based on datasets is effective. As a result of applying data analysis, we can accurately and quickly predict changes in NOx concentration within the de-NOx system through machine learning, providing a reduction in the impact of the boiler's thermal hysteresis effect and optimizing rational system control. [Issues with the de-NOx System] - Unable to respond quickly to fluctuations in nitrogen oxide (NOx) concentration. - It is necessary to excessively spray ammonia at the flue gas outlet to reduce NOx concentration. - Excessive spraying of ammonia can lead to dust accumulation on the catalyst and clogging of the air preheater, resulting in decreased boiler operating efficiency and increased operational costs. *For more details, please download the PDF or feel free to contact us.

We would like to introduce a combustion analysis case of a conical burner using the general-purpose thermal fluid analysis software "AICFD." The analysis conditions include a turbulence model of the standard k-ε model, a fluid mixture, and a combustion model such as Species Transport. This product comprehensively covers the process from creating the analysis model, simulation, to result processing, supporting the improvement of research and development efficiency. 【Analysis Conditions (Partial)】 ■ Inlet Conditions: - 60 [m/s] - CH4 (mass percent: 3.4%) - O2 (mass percent: 22.5%) - N2 (mass percent: 74.1%) *For more details, please download the PDF or feel free to contact us.

We would like to introduce a case of parametric modeling of a stator using CAD and the optimization software "CAESES." Basically, the shape of the stator can be designed with many degrees of freedom, and as long as the new design candidates meet a series of geometric constraints, various types of complex free shapes can be realized. The final CAD model is controlled by a series of parameters for the blades and EWC, most of which are linked to distribution functions of cross-sectional profiles such as camber and thickness, defining radial deformations. 【Manufacturing Constraints for the Stator】 ■ 15 blades ■ Constant maintenance of the blade's axial chord ■ Minimum thickness requirements for the leading edge and trailing edge ■ Thickness and distance of two inner holes for fixing the blades ■ Installation constraints regarding plate dimensions ■ Radius reduction limits for the EWC *For more details, please download the PDF or feel free to contact us.

We would like to introduce a case study of strength analysis of a turbine upper cover using the finite element method (FEM) analysis software "AIFEM." In the design of this cover, improvements in durability, safety, and efficiency are required, making the use of advanced analysis methods essential. In this case study, pressure loads were applied to the bottom surface of the turbine upper cover, and symmetrical boundary conditions were applied using a 1/4 model to analyze the deformation of the upper cover. [Analysis Results] ■ Rated operating condition: 4.515×10^-4 ■ Maximum head condition: 5.552×10^-4 ■ Boost condition: 8.609×10^-4 *For more details, please download the PDF or feel free to contact us.

The in-house developed data modeling software DTEmpower is a data modeling platform designed for industrial users, developed by delving into the data modeling needs of industrial companies. DTEmpower offers a wide range of algorithms for data modeling, including data cleaning, feature extraction, feature selection, and model training. It enables the improvement of model quality while reducing the need for user experience through algorithm development for specific cases, an intelligent scheduling engine, and super reference optimization. DTEmpower is equipped with a complete set of diagnostic solutions for failure diagnosis of turbomachinery. *For more detailed information, please refer to the related links. For further inquiries, feel free to download the PDF or contact us.*